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  • PANGAEA  (6,273)
  • Elsevier  (4,222)
  • American Institute of Physics (AIP)
  • Nature Publishing Group
  • 2020-2024  (10,495)
  • 1995-1999  (2)
  • 1980-1984
  • 2022  (10,495)
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  • 1
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    A new procedure for evaluating light-to-moderate earthquake location based on InSAR data and forward modeling tested on Mediterranean area (2022)
    Elsevier
    Details
    Publication Date: 2023-10-18
    Description: We propose a procedure based on remote sensing Sentinel-1 InSAR data aiming at evaluating the variability of the moment tensor solutions provided by different agencies in case of light-to-moderate earthquake. We model the expected coseismic ground deformations from the available moment tensor solutions and compare them with the real ones retrieved with the InSAR data. Any differences between location and intensity of simulated and estimated seismic-induced deformation fields allow indirectly evaluating the variability of the solutions in terms of epicenter locations and kinematics of the causative faults. We applied this investigation method to several light (4〈Mw 〈 4.9) to moderate (5〈Mw 〈 5.9) earthquakes occurred along the Mediterranean area since the launch of the Sentinel-1A mission in 2014. The selected seismic events cover all the faulting mechanisms and are characterized by different estimated magnitudes and depths thus offering a synoptic view of the performance of the procedure in several cases. Thanks to the global coverage and the unprecedented revisit time of Sentinel-1 acquisitions, the proposed procedure can be easily extended to any seismic event occurred inland worldwide.
    Description: Published
    Description: 100057
    Description: 3T. Fisica dei terremoti e Sorgente Sismica
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 2
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    To forty more years of Political Geography (2022)
    Elsevier
    In:  EPIC3Political Geography, Elsevier, 92, pp. 102581-102581, ISSN: 0962-6298
    Details
    Publication Date: 2023-10-30
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , peerRev
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  • 3
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    Incorporation of Na and S in bamboo coral skeletons (2022)
    Elsevier
    In:  EPIC3Chemical Geology, Elsevier, 597, pp. 120795-120795, ISSN: 0167-6695
    Details
    Publication Date: 2023-10-30
    Description: Ocean environmental conditions can be inferred from the chemical composition of bamboo coral skeletons. The high magnesium calcite internodes of these long-living octocorals may therefore represent a potential archive for seawater properties such as salinity or temperature where instrumental time series are absent. To extend these time series into the past using a natural archive the principles of temperature and salinity signal incorporation into cold-water coral skeletal material need to be investigated. Since skeletal Na and S concentrations have been proposed as environmental proxies, we mapped the spatial distribution and concentration of these elements in two Atlantic specimens of Keratoisis grayi (family Isididae). These measurements were conducted with an electron microprobe applying a spatial resolution of 4 μm. The mean apparent distribution coefficient of Na/Ca for the two samples was within 2.5 and 2.8*10−4, while that of S shows a similar depletion relative to seawater with 3.8 and 3.6*10−3. The two elements show an inverse correlation in bamboo coral skeletons. The mean apparent distribution coefficient of Na is similar to that of abiotic calcites. This similarity can be interpreted as the absence of significant vital effects for skeletal Na/Ca. Hence it corroborates the idea that the average skeletal composition of bamboo corals holds the potential to record past seawater conditions. In contrast, it appears unlikely that the spatial variations of the element distribution of seemingly simultaneously precipitated material along growth rings are exclusively controlled by environmental factors. We further exclude Rayleigh fractionation, ion-specific pumping, and Ca/proton exchange as the driver of Na and S distribution in bamboo corals. Instead, we adapt a calcification model originally proposed for scleractinians to bamboo corals. This model can explain the observed distribution of Na and S in the skeleton by a combination of Ca/proton pumping, bicarbonate active transport, and the formation of an organic skeletal matrix. The adapted model can further be used to predict the theoretical behaviour of other elements and disentangle vital effects from external factors influencing compositional features. It is therefore a useful tool for future studies on the potential of bamboo corals as environmental archives.
    Repository Name: EPIC Alfred Wegener Institut
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  • 4
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    Sliding modes in the management of renewable resources (2022)
    Elsevier
    In:  EPIC3Automatica, Elsevier, 144, pp. 110487-110487, ISSN: 0005-1098
    Details
    Publication Date: 2023-10-23
    Description: The presence of tipping points in ecological systems implies abrupt changes in the dynamics of the ecosystem. In these piecewise-smooth dynamical systems sliding dynamics, i.e., dynamics on the switching boundary, have been reported for population models. However, the question whether or not, and if so under which conditions, sliding dynamics may occur in an optimally controlled system have not yet been studied. We explore this issue in a simple harvesting model with two regimes, and find that optimal sliding may occur if regular steady states do not exist. Hence, sliding dynamics may be part of an optimal policy.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , peerRev
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  • 5
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    Distribution of phycotoxins in Última Esperanza Province during the PROFAN expedition 2019 (2022)
    Elsevier
    In:  EPIC3Progress in Oceanography, Elsevier, 206, pp. 102851, ISSN: 00796611
    Details
    Publication Date: 2023-08-01
    Description: Harmful Algae Blooms pose an increasing threat to the public health and economic stability of Southern Chile, particularly to the aquaculture industries. This fieldwork performed during the PROFAN expedition from 12th to 22nd November 2019 extends the knowledge on the distribution of marine toxin-producing species in the difficult to access Última Esperanza Province in the Magallanes Region. Paralytic Shellfish Poisoning toxins with high relative abundances of saxitoxin and lipophilic toxins dominated by yessotoxins, pectenotoxins and domoic acid were detected at nearly each sampling station. The respective toxin-producing organisms are mainly from the genus Alexandrium and Dinophysis. Furthermore, the first detection of pinnatoxin-G (PnTx-G) in Chilean waters strongly indicates the presence of the dinoflagellate Vulcanodinium rugosum.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , NonPeerReviewed
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  • 6
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    A site-specific earthquake ground response analysis using a fault-based approach and nonlinear modeling: the Case Pente site (Sulmona, Italy) (2022)
    Elsevier
    Details
    Publication Date: 2023-01-17
    Description: In this paper we present the ground response analyses (GRA) of a site where an industrial facility is planned. Because of its location on an active normal fault system known as a relevant seismic gap, the Mt. Morrone Fault system (MMF), and at the edge of a basin filled with slow velocity continental deposits, a inter-disciplinary and non-standard approach has been applied to assess the seismic input of the dynamic numerical analyses. It includes geological, seismological, geotechnical and engineering contributions. Two fault scenarios, MMF1 and MMF2, were considered and scenario-based (SSHA) and probabilistic (time-dependent, TD, and time-independent, TI) seismic hazard (PSHA) analyses were implemented. Comparison among the spectra corresponding to the 90th percentile of the SSHA statistical distribution and the PSHA average ones, shows that the MMF2 has values similar to the TD model. The SSHA 90th percentile distribution was selected as target spectra to retrieve the seismic input for GRA. Nonlinear numerical simulations of seismic wave propagation were implemented to derive surface ground motion parameters. GRA acceleration response spectra and their PGA are notably higher, and thus on the safety site, than those obtained following the Italian code approach for seismic resistant buildings. These results confirm that a scenario-based methodology can better capture the shaking effect in near-field conditions, avoiding possibly unconservative underestimations of the seismic actions and in view of a more robust performance-based approach used by engineers for either new design and/or assessment/retrofit purposes of the built environment.
    Description: Published
    Description: 106970
    Description: 5T. Sismologia, geofisica e geologia per l'ingegneria sismica
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 7
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    The power of connection: Navigating the constraints of community engagement for disaster risk reduction (2022)
    Elsevier
    In:  EPIC3International Journal of Disaster Risk Reduction, Elsevier, 68, pp. 102699-102699, ISSN: 2212-4209
    Details
    Publication Date: 2024-02-07
    Description: Community engagement for disaster risk reduction has become central to participatory emergency management. In neoliberal contexts, publics are increasingly portrayed as responsible for preparing and responding to disasters, while at the same time and contradictorily, they are engaged by the state to encourage compliance with top-down policies and directives. This is happening while incremental budget cuts reinforce the operationalisation of community engagement as information dissemination and service delivery. In this paper we scrutinize the ways in which community engagement for disaster risk reduction has been governed and translated into practice in Australia, focusing on the experiences of the practitioners and community representatives doing community engagement in a peri-urban and multi-hazard area of Victoria. We identify and discuss the role of connectors—individuals fostering connections within and among state-led emergency services, local government, and publics—in negotiating change and building relationships. Our analysis shows how the political economy of state-led emergency management hinders the efforts of connectors, contributing to disconnection between publics, community representatives, and emergency agencies. In navigating the bureaucratic, temporal, and financial constraints of state-led community engagement, the emergency sector is missing opportunities to listen, learn, and work with connectors. The result is missed opportunities to build meaningful connections with publics for disaster risk reduction.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 8
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    Ice sheet decline and rising atmospheric CO2 control AMOC sensitivity to deglacial meltwater discharge (2022)
    Elsevier
    In:  EPIC3Global and Planetary Change, Elsevier, 210, pp. 103755-103755, ISSN: 0921-8181
    Details
    Publication Date: 2023-09-19
    Description: The last deglaciation was characterized by a sequence of abrupt climate events thought to be linked to rapid changes in Atlantic meridional overturning circulation (AMOC). The sequence includes a weakening of the AMOC after the Last Glacial Maximum (LGM) during Heinrich Stadial 1 (HS1), which ends with an abrupt AMOC amplification at the transition to the Bølling/Allerød (B/A). This transition occurs despite persistent deglacial meltwater fluxes that counteract vigorous North Atlantic deep-water formation. Using the Earth system model COSMOS with a range of deglacial boundary conditions and reconstructed deglacial meltwater fluxes, we show that deglacial CO2 rise and ice sheet decline modulate the sensitivity of the AMOC to these fluxes. While declining ice sheets increase the sensitivity, increasing atmospheric CO2 levels tend to counteract this effect. Therefore, the occurrence of a weaker HS1 AMOC and an abrupt AMOC increase in the presence of meltwater, might be explained by these effects, as an alternative to or in combination with changes in the magnitude or routing of meltwater discharge.
    Repository Name: EPIC Alfred Wegener Institut
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  • 9
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    The Variscan subduction inheritance in the Southern Alps Sub-Continental Lithospheric Mantle: Clues from the Middle Triassic shoshonitic magmatism of the Dolomites (NE Italy) (2022)
    Elsevier
    Details
    Publication Date: 2023-11-16
    Description: Although often speculated, the link between theMiddle Triassic shoshonitic magmatismat the NE margin of the Adria plate and the subduction-related metasomatismof the Southern Alps Sub-Continental Lithospheric Mantle (SCLM) has never been constrained. In this paper, a detailed geochemical and petrological characterization of the lavas, dykes and ultramafic cumulates belonging to the shoshonitic magmatic event that shaped the Dolomites (Southern Alps) was used tomodel the composition and evolution of the underlying SCLMin the time comprised between the Variscan subduction and the opening of the Alpine Tethys. Geochemical models and numerical simulations enabled us to define that 5–7% partial melting of an amphibole + phlogopite-bearing spinel lherzolite, similar to the Finero phlogopite peridotite, can account for the composition of the primitive Mid-Triassic SiO2- saturated to -undersaturated melts with shoshonitic affinity (87Sr/86Sri = 0.7032–0.7058; 143Nd/144Ndi = 0.51219–0.51235; Mg # ~ 70; ~1.1 wt% H2O). By taking into account the H2O content documented in mineral phases from the Finero phlogopite peridotite, it is suggested that the Mid-Triassic SCLM source was able to preserve a significant enrichment and volatile content (600–800 ppm H2O) for more than 50 Ma, i.e. since the slab-related metasomatismconnected to the Variscan subduction. The partialmelting of a Finero-like SCLM represents the exhaustion of the subduction-related signature in the Southern Alps lithosphere that predated the Late Triassic-Early Jurassic asthenospheric upwelling related to the opening of the Alpine Tethys.
    Description: Published
    Description: 105856
    Description: 2V. Struttura e sistema di alimentazione dei vulcani
    Description: 3V. Proprietà chimico-fisiche dei magmi e dei prodotti vulcanici
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 10
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    Overcoming excessive numerical dissipation in SPH modeling of water waves (2022)
    Elsevier
    Details
    Publication Date: 2023-11-16
    Description: Excessive nonphysical energy dissipation is a problem in Smoothed Particle Hydrodynamics (SPH) when modeling free surface waves, resulting in a significant decrease in wave amplitude within a few wavelengths for progressive waves. This dissipation poses a limitation to the physical scale of SPH applications involving water wave propagation. Some prior solutions to this wave decay problem rely on elaborate schemes, which require a complex, or non-straightforward, implementation. Other approaches demand large smoothing lengths that lead to longer simulation times and potential degradation of the results. In this work we present an approach based on a kernel gradient correction. Our scheme is fully 3D and solves the main known drawbacks of kernel gradient corrections, such as instabilities and lack of momentum conservation. The latter is ensured by adopting an averaged correction matrix, so as to conserve reciprocity during particle interactions. We test our model with a standing wave in a basin and a progressive wave train in a wave tank, and in both cases no nonphysical decay occurs. A comparison to an approach based on large smoothing factors shows advantages both in quality of the results and simulation time.
    Description: Published
    Description: 104018
    Description: 3IT. Calcolo scientifico
    Description: JCR Journal
    Keywords: WCSPH ; Wave propagation ; Coastal engineering ; Kernel correction ; Decay
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 11
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    Efficiency analysis of social protection expenditure in the Italian Regions (2022)
    Elsevier
    Details
    Publication Date: 2023-11-16
    Description: The attention and demand for greater social protection is increasing among the populations of all European countries. It is difficult to identify which of the structures and infrastructures, sectors and regional budgets are inefficient and/or negligent in respect of providing more social protection. In the political sphere the problem is examined from a qualitative point of view, because it is essential to have a valid decisional support system that provides useful information for structural and economic intervention programs devised to improve social protection. Regional spending on social protection is a fundamental component of individual well-being. This work is precisely aimed at assessing individual well-being in terms of technical expenses efficiency in the Italian Regions. Stochastic frontier analysis and a nonparametric deterministic model structure are the tools used to investigate the social protection determinants in the paper.
    Description: Published
    Description: 100965
    Description: 4TM. Web e Social
    Description: JCR Journal
    Keywords: Data envelopment analysis ; Technical efficiency ; Efficiency analysis
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 12
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    Distributed normal faulting in the tip zone of the South Alkyonides Fault System, Gulf of Corinth, constrained using 36Cl exposure dating of late-Quaternary wave-cut platforms (2022)
    Elsevier
    Details
    Publication Date: 2023-11-16
    Description: The geometry, rates and kinematics of active faulting in the region close to the tip of a major crustal-scale normal fault in the Gulf of Corinth, Greece, are investigated using detailed fault mapping and new absolute dating. Fault offsets have been dated using a combination of 234U/230Th coral dates and in situ 36Cl cosmogenic exposure ages for sediments and wave-cut platforms deformed by the faults. Our results show that deformation in the tip zone is distributed across as many as eight faults arranged within ~700 m across strike, each of which deforms deposits and landforms associated with the 125 ka marine terrace of Marine Isotope Stage 5e. Summed throw-rates across strike achieve values as high as 0.3–1.6 mm/yr, values that are comparable to those at the centre of the crustal-scale fault (2–3 mm/yr from Holocene palaeoseismology and 3–4 mm/yr from GPS geodesy). The relatively high deformation rate and distributed deformation in the tip zone are discussed in terms of stress enhancement from rupture of neighbouring crustal-scale faults and in terms of how this should be considered during fault-based seismic hazard assessment.
    Description: Published
    Description: 104063
    Description: 2T. Deformazione crostale attiva
    Description: JCR Journal
    Keywords: Crustal Deformation ; Active Faults ; Absolute Dating ; Marine terraces
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 13
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    Orbital tuning for the middle Eocene to early Oligocene Monte Cagnero Section (Central Italy): Paleoenvironmental and paleoclimatic implications (2022)
    Elsevier
    Details
    Publication Date: 2023-11-24
    Description: During the middle Eocene to early Oligocene Earth transitioned from a greenhouse to an icehouse climate state. The interval comprises the Middle Eocene Climatic Optimum (MECO; ~40 Ma) and a subsequent long-term cooling trend that culminated in the Eocene-Oligocene transition (EOT; ~34 Ma) with the Oi-1 glaciation. Here, we present a refined calcareous nannofossil biostratigraphy and an orbitally tuned age model for the Monte Cagnero (MCA) section spanning the middle Eocene to the early Oligocene (~41 to ~33 Ma). Spectral analysis of magnetic susceptibility (MS) data displays strong cyclicities in the orbital frequency band allowing us to tune the identified 405 kyr eccentricity minima in the MS record to their equivalents in the astronomical solution. Our orbitally tuned age model allows us to estimate the position and duration of polarity chrons (C18 to C13) and compare them with other standard and orbitally tuned ages. We were also able to constrain the timing and duration of the MECO event, which coincides with a minimum in the 2.4 Myr and 405 kyr eccentricity cycles. Our study corroborates the previous estimated age for the base of the Rupelian stage (33.9 Ma) and estimates the base of the Priabonian stage in the MCA section to be at 37.4 Ma. Finally, calcareous nannofossils with known paleoenvironmental preferences suggest a gradual shift from oligotrophic to meso-eutrophic conditions with an abrupt change at ~36.8 Ma. Besides, nannofossil assemblages suggest that enhanced nutrient availability pre- ceded water cooling at the late Eocene. Altogether, this evidence points to a poorly developed water column stratification prior to the cooling trend.
    Description: Published
    Description: 110563
    Description: 1A. Geomagnetismo e Paleomagnetismo
    Description: 5A. Ricerche polari e paleoclima
    Description: JCR Journal
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  • 14
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    The migration path of Gondwanian dinosaurs toward Adria: New insights from the Cretaceous of NW Sicily (Italy) (2022)
    Elsevier
    Details
    Publication Date: 2023-11-16
    Description: The increasing dinosaur record from Italy questioned classic palaeogeographic scenarios for the Central Mediterranean area and suggest the proximity of landmass areas and a geographical connection between Gondwana and Laurasia during Cretaceous times. Besides several track-sites and exceptionally-preserved specimens (e.g. Scipionyx samniticus), the Italian dinosaur record also consists of isolated bones, among which the bone fragment of a theropod discovered in north-western Sicily. The bone occurs in a shallowwater carbonate succession (i.e. Pizzo Muletta, Palermo Mountains) pertaining to the Panormide Carbonate Platform (PCP). The bone was previously ascribed to the Cenomanian, strongly supporting the hypothesis of a land bridge connecting Gondwana and Adria via PCP. More recently, new sedimentological and biostratigraphic studies on the Pizzo Muletta succession have been carried out. The obtained results allow to predate the stratigraphic position of the dinosaur bone to the late Aptianeearly Albian and to assess a detailed AptianeCenomanian evolution of this sector of the PCP. In particular, the karstic overprint of Cenomanian rudist limestones indicate a subaerial exposure of the platform preceding its drowning during latest Cenomanian times. The new assumptions allow to extend the temporal duration of the intermittent land bridge between Gondwana and Laurasia at least from Aptian to Cenomanian times and to add further evidences of the dominant tectonic control affecting the Western Tethys during Cretaceous times.
    Description: Published
    Description: 104919
    Description: 5T. Sismologia, geofisica e geologia per l'ingegneria sismica
    Description: JCR Journal
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  • 15
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    Dissolved and particulate iron redox speciation during the LOHAFEX fertilization experiment (2022)
    Elsevier
    In:  EPIC3Marine Pollution Bulletin, Elsevier, 184, pp. 114161-114161, ISSN: 0025-326X
    Details
    Publication Date: 2024-04-03
    Description: The redox speciation of iron was determined during the iron fertilization LOHAFEX and for the first time, the chemiluminescence assay of filtered and unfiltered samples was systematically compared. We hypothesize that higher chemiluminescence in unfiltered samples was caused by Fe(II) adsorbed onto biological particles. Dissolved and particulate Fe(II) increased in the mixed layer steadily 6-fold during the first two weeks and decreased back to initial levels by the end of LOHAFEX. Both Fe(II) forms did not show diel cycles downplaying the role of photoreduction. The chemiluminescence of unfiltered samples across the patch boundaries showed strong gradients, correlated significantly to biomass and the photosynthetic efficiency and were higher at night, indicative of a biological control. At 150 m deep, a secondary maximum of dissolved Fe(II) was associated with maxima of nitrite and ammonium despite high oxygen concentrations. We hypothesize that during LOHAFEX, iron redox speciation was mostly regulated by trophic interactions.
    Repository Name: EPIC Alfred Wegener Institut
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  • 16
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    Functional repertoire convergence of distantly related eukaryotic plankton lineages abundant in the sunlit ocean (2022)
    Elsevier
    In:  EPIC3Cell Genomics, Elsevier, 2(5), pp. 100123-100123, ISSN: 2666-979X
    Details
    Publication Date: 2024-04-03
    Description: Marine planktonic eukaryotes play critical roles in global biogeochemical cycles and climate. However, their poor representation in culture collections limits our understanding of the evolutionary history and genomic underpinnings of planktonic ecosystems. Here, we used 280 billion Tara Oceans metagenomic reads from polar, temperate, and tropical sunlit oceans to reconstruct and manually curate more than 700 abundant and widespread eukaryotic environmental genomes ranging from 10 Mbp to 1.3 Gbp. This genomic resource covers a wide range of poorly characterized eukaryotic lineages that complement long-standing contributions from culture collections while better representing plankton in the upper layer of the oceans. We performed the first, to our knowledge, comprehensive genome-wide functional classification of abundant unicellular eukaryotic plankton, revealing four major groups connecting distantly related lineages. Neither trophic modes of plankton nor its vertical evolutionary history could completely explain the functional repertoire convergence of major eukaryotic lineages that coexisted within oceanic currents for millions of years.
    Repository Name: EPIC Alfred Wegener Institut
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  • 17
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    Temporal and spatial distribution of epibenthic dinoflagellates in the Kattegat-Skagerrak, NE Atlantic–Focus on Prorocentrum lima and Coolia monotis (2022)
    Elsevier
    In:  EPIC3Harmful Algae, Elsevier, 118, pp. 102318-102318, ISSN: 1568-9883
    Details
    Publication Date: 2024-04-09
    Description: Epibenthic dinoflagellates occur globally and include many toxin-producing species of concern to human health and benthic ecosystem function. Such benthic harmful algal blooms (BHABs) have been well described from tropical and sub-tropical coastal environments, but assessments from north temperate waters, e.g., northern Europe, and polar regions are scarce. The present study addressed the biodiversity and distribution of potentially toxic epibenthic dinoflagellate populations along the west coast of Sweden (Kattegat-Skagerrak) by morphological and molecular criteria. Morphological analysis conducted by light- and electron-microscopy was then linked by DNA barcoding of the V4 region of 18S rRNA gene sequences to interpret taxonomic and phylogenetic relationships. The presence of two potentially toxigenic epibenthic dinoflagellates, Prorocentrum lima (Ehrenberg) F.Stein and Coolia monotis Meunier was confirmed, along with a description of their spatial and temporal distribution. For P. lima, one third of the cell abundance values exceeded official alarm thresholds for potentially toxic BHAB events (〉1000 cells gr–1 of macroalgae fresh weight). The same species were recorded consecutively for two summers, but without significant temporal variation in cell densities. SEM analyses confirmed the presence of other benthic Prorocentrum species: P. fukuyoi complex, P. cf. foraminosum and P. cf. hoffmannianum. Analyses of the V4 region of the 18S rRNA gene also indicated the presence P. compressum, P. hoffmannianum, P. foraminosum, P. fukuyoi, and P. nanum. These findings provide the first biogeographical evidence of toxigenic benthic dinoflagellates along the west coast of Sweden, in the absence of ongoing monitoring to include epibenthic dinoflagellates. Harmful events due to the presence of Coolia at shellfish aquaculture sites along the Kattegat-Skagerrak are likely to be rather marginal because C. monotis is not known to be toxigenic. In any case, as a preliminary assessment, the results highlight the risk of diarrhetic shellfish poisoning (DSP) events caused by P. lima, which may affect the development and sustainability of shellfish aquaculture in the region.
    Repository Name: EPIC Alfred Wegener Institut
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  • 18
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    Apparent biogeographical trends in Alexandrium blooms for northern Europe: Â identifying links to climate change and effective adaptive actions (2022)
    Elsevier
    In:  EPIC3Harmful Algae, Elsevier, 119, pp. 102335-102335, ISSN: 1568-9883
    Details
    Publication Date: 2024-04-09
    Description: The marine dinoflagellate Alexandrium Halim represents perhaps the most significant and intensively studied genus with respect to species diversity, life history strategies, toxigenicity, biogeographical distribution, and global magnitude and consequences harmful algal blooms (HABs). The socioeconomic impacts, environmental and human health risks, and mitigation strategies for toxigenic Alexandrium blooms have also been explored in recent years. Human adaptive actions based on future scenarios of bloom dynamics and shifts in biogeographical distribution under climate-change parameters remain under development and not yet implemented on a regional scale. In the CoCliME (Co-development of climate services for adaptation to changing marine ecosystems) project these issues were addressed with respect to past, current and anticipated future status of key HAB genera and expected benefits of enhanced monitoring. Data on the distribution and frequency of Alexandrium blooms related to paralytic shellfish toxin (PST) events from key CoCliME Case Study areas, comprising the North Sea and adjacent Kattegat-Skagerrak, Norwegian Sea, and Baltic Sea, and eastern North Atlantic marginal seas, were evaluated in a contemporary and historical context over the past several decades. The first evidence of possible biogeographical expansion of Alexandrium taxa into eastern Arctic gateways was provided from DNA barcoding signatures. Various key climate change indicators, such as salinity, temperature, and water-column stratification, relevant to Alexandrium bloom initiation and development were identified. The possible influence of changing variables on bloom dynamics, magnitude, frequency and spatial and temporal distribution were interpreted in the context of regional ocean climate models. These climate change impact indicators may play key roles in selecting for the occurrence and diversity of Alexandrium species within the broader microeukaryote communities. For example, shifts to higher temperature and lower salinity regimes predicted for the southern North Sea indicate the potential for increased Alexandrium blooms, currently absent from this area. Ecological and socioeconomic impacts of Alexandrium blooms and effects on fisheries and aquaculture resources and coastal ecosystem function are evaluated, and, where feasible, effective adaptation strategies are proposed herein as emerging climate services.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 19
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    Spatial and biological oceanographic insights into the massive fish-killing bloom of the haptophyte Chrysochromulina leadbeateri in northern Norway (2022)
    Elsevier
    In:  EPIC3Harmful Algae, Elsevier, 118, pp. 102287-102287, ISSN: 1568-9883
    Details
    Publication Date: 2024-04-09
    Description: A bloom of the fish-killing haptophyte Chrysochromulina leadbeateri in northern Norway during May and June 2019 was the most harmful algal event ever recorded in the region, causing massive mortalities of farmed salmon. Accordingly, oceanographic and biodiversity aspects of the bloom were studied in unprecedented detail, based on metabarcoding and physico-chemical and biotic factors related with the dynamics and distribution of the bloom. Light- and electron-microscopical observations of nanoplankton samples from diverse locations confirmed that C. leadbeateri was dominant in the bloom and the primary cause of associated fish mortalities. Cell counts by light microscopy and flow cytometry were obtained throughout the regional bloom within and adjacent to five fjord systems. Metabarcoding sequences of the V4 region of the 18S rRNA gene from field material collected during the bloom and a cultured isolate from offshore of Tromsøy island confirmed the species identification. Sequences from three genetic markers (18S, 28S rRNA gene and ITS region) verified the close if not identical genetic similarity to C. leadbeateri from a previous massive fish-killing bloom in 1991 in northern Norway. The distribution and cell abundance of C. leadbeateri and related Chrysochromulina species in the recent incident were tracked by integrating observations from metabarcoding sequences of the V4 region of the 18S rRNA gene. Metabarcoding revealed at least 14 distinct Chrysochromulina variants, including putative cryptic species. C. leadbeateri was by far the most abundant of these species, but with high intraspecific genetic variability. Highest cell abundance of up to 2.7 × 107 cells L − 1 of C. leadbeateri was found in Balsfjorden; the high cell densities were associated with stratification near the pycnocline (at ca. 12 m depth) within the fjord. The cell abundance of C. leadbeateri showed positive correlations with temperature, negative correlation with salinity, and a slightly positive correlation with ambient phosphate and nitrate concentrations. The spatio-temporal succession of the C. leadbeateri bloom suggests independent initiation from existing pre-bloom populations in local zones, perhaps sustained and supplemented over time by northeastward advection of the bloom from the fjords.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
    Format: application/pdf
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  • 20
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    Remote sensing annual dynamics of rapid permafrost thaw disturbances with LandTrendr (2022)
    Elsevier
    In:  EPIC3Remote Sensing of Environment, Elsevier, 268, pp. 112752-112752, ISSN: 0034-4257
    Details
    Publication Date: 2024-01-30
    Description: Permafrost is warming globally which leads to widespread permafrost thaw. Particularly ice-rich permafrost is vulnerable to rapid thaw and erosion, impacting whole landscapes and ecosystems. Retrogressive thaw slumps (RTS) are abrupt permafrost disturbances that expand by several meters each year and lead to an increased soil organic carbon release. Local Remote Sensing studies identified increasing RTS activity in the last two decades by increasing number of RTS or heightened RTS growth rates. However, a large-scale assessment across diverse permafrost regions and at high temporal resolution allowing to further determine RTS thaw dynamics and its main drivers is still lacking. In this study we apply the disturbance detection algorithm LandTrendr for automated large-scale RTS mapping and high temporal thaw dynamic assessment to North Siberia (8.1×106km2). We adapted and parametrised the temporal segmentation algorithm for abrupt disturbance detection to incorporate Landsat+Sentinel-2 mosaics, conducted spectral filtering, spatial masking and filtering, and a binary machine-learning object classification of the disturbance output to separate between RTS and false positives (F1 score: 0.609). Ground truth data for calibration and validation of the workflow was collected from 9 known RTS cluster sites using very high-resolution RapidEye and PlanetScope imagery. Our study presents the first automated detection and assessment of RTS and their temporal dynamics at large-scale for 2001–2019. We identified 50,895 RTS and a steady increase in RTS-affected area from 2001 to 2019 across North Siberia, with a more abrupt increase from 2016 onward. Overall the RTS-affected area increased by 331 compared to 2000 (2000: 20,158ha, 2001–2019: 66,699ha). Contrary to this, 5 focus sites show spatio-temporal variability in their annual RTS dynamics, with alternating periods of increased and decreased RTS development, indicating a close relationship to thaw drivers. The majority of identified RTS was active from 2000 onward and only a small proportion initiated during the assessment period, indicating that the increase in RTS-affected area was mainly caused by enlarging existing RTS and not by new RTS. The detected increase in RTS dynamics suggests advancing permafrost thaw and underlines the importance of assessing abrupt permafrost disturbances with high spatial and temporal resolution at large-scales. Obtaining such consistent disturbance products will help to parametrise regional and global climate change models.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , peerRev , info:eu-repo/semantics/article
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  • 21
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    Towards a multisensor station for automated biodiversity monitoring (2022)
    Elsevier
    In:  EPIC3Basic and Applied Ecology, Elsevier, 59, pp. 105-138, ISSN: 1439-1791
    Details
    Publication Date: 2024-05-03
    Description: Rapid changes of the biosphere observed in recent years are caused by both small and large scale drivers, like shifts in temperature, transformations in land-use, or changes in the energy budget of systems. While the latter processes are easily quantifiable, documentation of the loss of biodiversity and community structure is more difficult. Changes in organismal abundance and diversity are barely documented. Censuses of species are usually fragmentary and inferred by often spatially, temporally and ecologically unsatisfactory simple species lists for individual study sites. Thus, detrimental global processes and their drivers often remain unrevealed. A major impediment to monitoring species diversity is the lack of human taxonomic expertise that is implicitly required for large-scale and fine-grained assessments. Another is the large amount of personnel and associated costs needed to cover large scales, or the inaccessibility of remote but nonetheless affected areas. To overcome these limitations we propose a network of Automated Multisensor stations for Monitoring of species Diversity (AMMODs) to pave the way for a new generation of biodiversity assessment centers. This network combines cutting-edge technologies with biodiversity informatics and expert systems that conserve expert knowledge. Each AMMOD station combines autonomous samplers for insects, pollen and spores, audio recorders for vocalizing animals, sensors for volatile organic compounds emitted by plants (pVOCs) and camera traps for mammals and small invertebrates. AMMODs are largely self-containing and have the ability to pre-process data (e.g. for noise filtering) prior to transmission to receiver stations for storage, integration and analyses. Installation on sites that are difficult to access require a sophisticated and challenging system design with optimum balance between power requirements, bandwidth for data transmission, required service, and operation under all environmental conditions for years. An important prerequisite for automated species identification are databases of DNA barcodes, animal sounds, for pVOCs, and images used as training data for automated species identification. AMMOD stations thus become a key component to advance the field of biodiversity monitoring for research and policy by delivering biodiversity data at an unprecedented spatial and temporal resolution.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 22
    Electronic Resource
    Electronic Resource
    A measurement of τ polarization in Z^0 decays (1992-8977)
    Amsterdam : Elsevier
    Physics Letters B 294 (1992), S. 466-478 
    Details
    ISSN: 0370-2693
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0370-2693(92)91549-O
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    Paper (German National Licenses)
    Fulltext
  • 23
    Electronic Resource
    Electronic Resource
    Measurement of the average lifetime of b hadrons (1993-4325)
    Amsterdam : Elsevier
    Physics Letters B 317 (1993), S. 474-484 
    Details
    ISSN: 0370-2693
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0370-2693(93)91027-K
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    Paper (German National Licenses)
    Fulltext
  • 24
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    Zoobenthos and sediments time series at List Reede, Sylt, Germany, 2003 to 2019 (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Description: A shallow subtidal area in the northern Wadden Sea was monitored over 17 years for sediment parameters and macrobenthic fauna using stratified random sampling of a grid of 50 sampling positions. Samples were collected with a Reineck-type box-corer of 0.02 m² surface area, always during preceeded high tide. Granulometric sediment composition was analysed from a sub-sample of each box-core using a diffraction laser particle-size analyser. Macrobenthos (sieved through 1 mm square meshes and fixed in buffered formalin solution) was counted, identified to species level, and the size of hard-shelled individuals measured. The amount of shell detritus was quantified as wet-weight in the benthos samples. From 2003 to 2007 sampling was approximatively monthly and from 2008 to 2013 seasonally. When a new ship with larger drought was put into operation, the number of sampling sites needed to be reduced to 33 from 2014 onwards and sampling frequency was only once per year in autumn.
    Keywords: AWI_Coast; Coastal Ecology @ AWI; Macrobenthos; sediment analysis; Time-Series Data; Wadden Sea
    Type: Dataset
    Format: application/zip, 34 datasets
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    DATA PANGAEA
  • 25
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    Topsoil isotopic composition (δ2H) from the catchment of lake Khar Nuur, Mongolia (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-13
    Keywords: Altai Mountains, Mongolia; compound-specific biomarker isotopes; DEPTH, soil; Depth, soil, maximum; Depth, soil, minimum; Event label; GASC; Gas chromatograph; KN_2H_A1; KN_2H_A10; KN_2H_A11; KN_2H_A12; KN_2H_A13; KN_2H_A2; KN_2H_A3; KN_2H_A4; KN_2H_A5; KN_2H_A6; KN_2H_A7; KN_2H_A8; KN_2H_A9; lake surface sediments; LATITUDE; LONGITUDE; Mongolia; n-Alkane C27, δD; n-Alkane C27, δD, standard deviation; n-Alkane C31, δD; n-Alkane C31, δD, standard deviation; Sample ID; SOIL; Soil profile; topsoils
    Type: Dataset
    Format: text/tab-separated-values, 65 data points
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    DATA PANGAEA
  • 26
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    Stable oxygen and carbon isotopes of planktic and benthic foraminifera from the Lardos SW hill section, Rhodes, Greece (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-13
    Description: Stable oxygen and carbon isotopes were measured on (i) the planktic foraminifera species Globigerinoides ruber (white) and alternatively, in samples in which G. ruber was lacking, on Globigerinoides conglobatus; and (ii) the benthic foraminifera species Cibicidoides pachyderma and alternatively, in samples in which C. pachyderma was lacking, on Cibicides lobatulus. 10–15 planktic and 4-6 benthic specimens of the fraction 〉250 μm were selected. Additionally, attention was paid to select specimens of similar size to minimise influences of metabolic effects and changing preferential habitats during ontogeny. For cleaning and removal of sediment, the selected foraminifera were cracked between two glass plates, transferred to a sample cup, covered with ethanol and immerged into an ultrasonic bath for 5–10 s. The sediment brought into suspension was decanted. The procedure was repeated until the ethanol remained clear after the ultrasonic bath. The cleaned foraminifera were reacted with 100% phosphoric acidat 75 °C using a Kiel III online carbonate preparation line connected to a ThermoFinnigan 252 mass spectrometer (Geochemical Laboratory of the GeoZentrum Nordbayern,Germany). Isotopic data are expressed in per mil relative to V-PDB by assigning a δ18O-value of -2.20 ‰ to NBS19, using the standard δ-notation. The reproducibility was checked by replicate analysis of laboratory standards and was found to be better than ±0.05 for δ18O and δ13C (1σ).
    Keywords: Benthic and planktonic foraminifera; Greece; Rhodes; stable oxygen and carbon isotopes
    Type: Dataset
    Format: application/zip, 4 datasets
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  • 27
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    Physicochemical parameters of the water column for the sample stations of the Weser river campaign 2016 (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-14
    Description: A key task in understanding and mapping the complex mass transport pathways and potential transformation processes of contaminants in coastal regions such as the German Bight is to determine and evaluate the most significant contribution sources into coastal areas. Rivers represent one key input source within this context. As part of a river campaign in June 2016, sediment and freshwater samples were taken from the Weser river and its tributaries to identify their elemental and isotopic fingerprint and to investigate potential inputs to the German Bight. At every sampling station physicochemical parameters of the water column were measured directly after sampling with respective probes of a multimeter covering pH, dissolved oxygen, temperature and conductivity.
    Keywords: Conductivity, electrical; Date/Time of event; Event label; Helmholtz-Zentrum Hereon; Hereon; Latitude of event; Longitude of event; Multimeter; Oxygen, dissolved; pH; pH sensor; Sample code/label; Station label; Temperature, water; Water sample; WESER_2016; WESER_2016_Stat_1_1; WESER_2016_Stat_10_1; WESER_2016_Stat_11_1; WESER_2016_Stat_12_1; WESER_2016_Stat_13_1; WESER_2016_Stat_14_1; WESER_2016_Stat_15_1; WESER_2016_Stat_16_1; WESER_2016_Stat_17_1; WESER_2016_Stat_18_1; WESER_2016_Stat_19_1; WESER_2016_Stat_2_1; WESER_2016_Stat_20_1; WESER_2016_Stat_23_1; WESER_2016_Stat_24_1; WESER_2016_Stat_25_1; WESER_2016_Stat_26_1; WESER_2016_Stat_27_1; WESER_2016_Stat_28_1; WESER_2016_Stat_29_1; WESER_2016_Stat_3_1; WESER_2016_Stat_30_1; WESER_2016_Stat_31_1; WESER_2016_Stat_32_1; WESER_2016_Stat_33_1; WESER_2016_Stat_34_1; WESER_2016_Stat_35_1; WESER_2016_Stat_36_1; WESER_2016_Stat_37_1; WESER_2016_Stat_38_1; WESER_2016_Stat_4_1; WESER_2016_Stat_5_1; WESER_2016_Stat_6_1; WESER_2016_Stat_7_1; WESER_2016_Stat_8_1; WESER_2016_Stat_9_1; Weser_S_01; Weser_S_02; Weser_S_03; Weser_S_04; Weser_S_05; Weser_S_06; Weser_S_07; Weser_S_08; Weser_S_09; Weser_S_10; Weser_S_11; Weser_S_12; Weser_S_13; Weser_S_14; Weser_S_15; Weser_S_16; Weser_S_17; Weser_S_18; Weser_S_19; Weser_S_20; Weser_S_23; Weser_S_24; Weser_S_25; Weser_S_26; Weser_S_27; Weser_S_28; Weser_S_29; Weser_S_30; Weser_S_31; Weser_S_32; Weser_S_33; Weser_S_34; Weser_S_35; Weser_S_36; Weser_S_37; Weser_S_38; Weser, Germany, Europe; WS
    Type: Dataset
    Format: text/tab-separated-values, 213 data points
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  • 28
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    Physicochemical parameters of the water column for the sample stations of the Ems river campaign 2016 (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-14
    Description: In order to understand and map the complex mass transport pathways and possible transformation processes of contaminants in coastal regions such as the German Bight, the main coastal contributors must be identified and evaluated. In this context, rivers represent a major input source. In the framework of a river campaign from 20.06.16 till 25.06.2016, sediment and freshwater samples of the Ems and its tributaries were taken to determine their elemental and isotopic fingerprint and to investigate possible inputs into the German Bight. All sediment samples were obtained using a Van Veen grab sampler and were analyzed for their grain size distribution by laser diffraction.
    Keywords: Conductivity, electrical; Date/Time of event; EM2016_Stat_1_1; EM2016_Stat_10_1; EM2016_Stat_11_1; EM2016_Stat_12_1; EM2016_Stat_13_1; EM2016_Stat_14_1; EM2016_Stat_15_1; EM2016_Stat_16_1; EM2016_Stat_17_1; EM2016_Stat_18_1; EM2016_Stat_19_1; EM2016_Stat_2_1; EM2016_Stat_20_1; EM2016_Stat_21_1; EM2016_Stat_22_1; EM2016_Stat_23_1; EM2016_Stat_24_1; EM2016_Stat_25_1; EM2016_Stat_26_1; EM2016_Stat_27_1; EM2016_Stat_3_1; EM2016_Stat_4_1; EM2016_Stat_5_1; EM2016_Stat_6_1; EM2016_Stat_7_1; EM2016_Stat_8_1; EM2016_Stat_9_1; EMS_2016; Ems_S_01; Ems_S_02; Ems_S_03; Ems_S_04; Ems_S_05; Ems_S_06; Ems_S_07; Ems_S_08; Ems_S_09; Ems_S_10; Ems_S_11; Ems_S_12; Ems_S_13; Ems_S_14; Ems_S_15; Ems_S_16; Ems_S_17; Ems_S_18; Ems_S_19; Ems_S_20; Ems_S_21; Ems_S_22; Ems_S_23; Ems_S_24; Ems_S_25; Ems_S_26; Ems_S_27; Ems, Germany, Europe; Event label; Helmholtz-Zentrum Hereon; Hereon; Latitude of event; Longitude of event; Multimeter; Oxygen, dissolved; pH; Sample code/label; Station label; Temperature, water; Water sample; WS
    Type: Dataset
    Format: text/tab-separated-values, 162 data points
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    DATA PANGAEA
  • 29
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    Size of hard-shelled individuals in the zoobenthos time series at List Reede, Sylt, Germany, in 2012 (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Description: A shallow subtidal area in the northern Wadden Sea was monitored for sediment parameters and macrobenthic fauna using stratified random sampling of a grid of 50 sampling positions. Samples were collected with a Reineck-type box-corer of 0.02 m² surface area, macrobenthos (sieved through 1 mm square meshes and fixed in buffered formalin solution) was counted, identified to species level, and the size of hard-shelled individuals measured. This dataset contains the size measurements of 1098 individuals from the five sampling dates in 2012.
    Keywords: AWI_Coast; Body length; Carapace width; Coastal Ecology @ AWI; DATE/TIME; DEPTH, water; Diameter, including arms; Disc diameter; German Bight Wadden Sea; LATITUDE; List_Reede; Lister_Ley; Location; LONGITUDE; Long-term time series Sylt; Macrobenthos; MULT; Multiple investigations; Number of individuals per size class; Sample code/label; Shell diameter; Shell length; Species; Time-Series Data; Wadden Sea
    Type: Dataset
    Format: text/tab-separated-values, 5490 data points
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    DATA PANGAEA
  • 30
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    Size of hard-shelled individuals in the zoobenthos time series at List Reede, Sylt, Germany, in 2013 (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Description: A shallow subtidal area in the northern Wadden Sea was monitored for sediment parameters and macrobenthic fauna using stratified random sampling of a grid of 50 sampling positions. Samples were collected with a Reineck-type box-corer of 0.02 m² surface area, macrobenthos (sieved through 1 mm square meshes and fixed in buffered formalin solution) was counted, identified to species level, and the size of hard-shelled individuals measured. This dataset contains the size measurements of 669 individuals from the three sampling dates in 2013.
    Keywords: AWI_Coast; Body length; Carapace width; Coastal Ecology @ AWI; DATE/TIME; DEPTH, water; Diameter, including arms; Disc diameter; German Bight Wadden Sea; LATITUDE; List_Reede; Lister_Ley; Location; LONGITUDE; Long-term time series Sylt; Macrobenthos; MULT; Multiple investigations; Number of individuals per size class; Sample code/label; Shell diameter; Shell length; Species; Time-Series Data; Wadden Sea
    Type: Dataset
    Format: text/tab-separated-values, 2370 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 31
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    Size of hard-shelled individuals in the zoobenthos time series at List Reede, Sylt, Germany, in 2017 (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Description: A shallow subtidal area in the northern Wadden Sea was monitored for sediment parameters and macrobenthic fauna using stratified random sampling of a grid of 50 sampling positions. Samples were collected with a Reineck-type box-corer of 0.02 m² surface area, macrobenthos (sieved through 1 mm square meshes and fixed in buffered formalin solution) was counted, identified to species level, and the size of hard-shelled individuals measured. This dataset contains the size measurements of 259 individuals from the 2017 sampling.
    Keywords: AWI_Coast; Body length; Carapace width; Coastal Ecology @ AWI; DATE/TIME; DEPTH, water; German Bight Wadden Sea; LATITUDE; List_Reede; Lister_Ley; Location; LONGITUDE; Long-term time series Sylt; Macrobenthos; MULT; Multiple investigations; Number of individuals per size class; Sample code/label; Shell diameter; Shell length; Species; Time-Series Data; Wadden Sea
    Type: Dataset
    Format: text/tab-separated-values, 1160 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 32
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    Size of hard-shelled individuals in the zoobenthos time series at List Reede, Sylt, Germany, in 2016 (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Description: A shallow subtidal area in the northern Wadden Sea was monitored for sediment parameters and macrobenthic fauna using stratified random sampling of a grid of 50 sampling positions. Samples were collected with a Reineck-type box-corer of 0.02 m² surface area, macrobenthos (sieved through 1 mm square meshes and fixed in buffered formalin solution) was counted, identified to species level, and the size of hard-shelled individuals measured. This dataset contains the size measurements of 253 individuals from the 2016 sampling.
    Keywords: AWI_Coast; Body length; Carapace width; Coastal Ecology @ AWI; DATE/TIME; DEPTH, water; Diameter, including arms; German Bight Wadden Sea; LATITUDE; List_Reede; Lister_Ley; Location; LONGITUDE; Long-term time series Sylt; Macrobenthos; MULT; Multiple investigations; Number of individuals per size class; Sample code/label; Shell diameter; Shell length; Species; Time-Series Data; Wadden Sea
    Type: Dataset
    Format: text/tab-separated-values, 1070 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 33
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    Size of hard-shelled individuals in the zoobenthos time series at List Reede, Sylt, Germany, in 2003 (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Description: A shallow subtidal area in the northern Wadden Sea was monitored for sediment parameters and macrobenthic fauna using stratified random sampling of a grid of 50 sampling positions. Samples were collected with a Reineck-type box-corer of 0.02 m² surface area, macrobenthos (sieved through 1 mm square meshes and fixed in buffered formalin solution) was counted, identified to species level, and the size of hard-shelled individuals measured. This dataset contains the size measurements of 1629 individuals from the four sampling dates in 2003.
    Keywords: AWI_Coast; Body length; Carapace width; Coastal Ecology @ AWI; DATE/TIME; DEPTH, water; Diameter, including arms; Disc diameter; German Bight Wadden Sea; LATITUDE; List_Reede; Lister_Ley; Location; LONGITUDE; Long-term time series Sylt; Macrobenthos; MULT; Multiple investigations; Number of individuals per size class; Sample code/label; Shell diameter; Shell length; Species; Time-Series Data; Wadden Sea
    Type: Dataset
    Format: text/tab-separated-values, 6430 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 34
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    Size of hard-shelled individuals in the zoobenthos time series at List Reede, Sylt, Germany, in 2004 (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Description: A shallow subtidal area in the northern Wadden Sea was monitored for sediment parameters and macrobenthic fauna using stratified random sampling of a grid of 50 sampling positions. Samples were collected with a Reineck-type box-corer of 0.02 m² surface area, macrobenthos (sieved through 1 mm square meshes and fixed in buffered formalin solution) was counted, identified to species level, and the size of hard-shelled individuals measured. This dataset contains the size measurements of 3198 individuals from the 11 sampling dates in 2004.
    Keywords: AWI_Coast; Body length; Carapace width; Coastal Ecology @ AWI; DATE/TIME; DEPTH, water; Diameter, including arms; Disc diameter; German Bight Wadden Sea; LATITUDE; List_Reede; Lister_Ley; Location; LONGITUDE; Long-term time series Sylt; Macrobenthos; MULT; Multiple investigations; Number of individuals per size class; Sample code/label; Shell diameter; Shell length; Species; Time-Series Data; Wadden Sea
    Type: Dataset
    Format: text/tab-separated-values, 12290 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 35
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    Size of hard-shelled individuals in the zoobenthos time series at List Reede, Sylt, Germany, in 2005 (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Description: A shallow subtidal area in the northern Wadden Sea was monitored for sediment parameters and macrobenthic fauna using stratified random sampling of a grid of 50 sampling positions. Samples were collected with a Reineck-type box-corer of 0.02 m² surface area, macrobenthos (sieved through 1 mm square meshes and fixed in buffered formalin solution) was counted, identified to species level, and the size of hard-shelled individuals measured. This dataset contains the size measurements of 15918 individuals from the 10 sampling dates in 2005.
    Keywords: AWI_Coast; Body length; Carapace width; Coastal Ecology @ AWI; DATE/TIME; DEPTH, water; Diameter, including arms; Disc diameter; German Bight Wadden Sea; LATITUDE; List_Reede; Lister_Ley; Location; LONGITUDE; Long-term time series Sylt; Macrobenthos; MULT; Multiple investigations; Number of individuals per size class; Sample code/label; Shell diameter; Shell length; Species; Time-Series Data; Wadden Sea
    Type: Dataset
    Format: text/tab-separated-values, 14645 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 36
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    Size of hard-shelled individuals in the zoobenthos time series at List Reede, Sylt, Germany, in 2006 (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Description: A shallow subtidal area in the northern Wadden Sea was monitored for sediment parameters and macrobenthic fauna using stratified random sampling of a grid of 50 sampling positions. Samples were collected with a Reineck-type box-corer of 0.02 m² surface area, macrobenthos (sieved through 1 mm square meshes and fixed in buffered formalin solution) was counted, identified to species level, and the size of hard-shelled individuals measured. This dataset contains the size measurements of 1990 individuals from the nine sampling dates in 2006.
    Keywords: AWI_Coast; Body length; Carapace width; Coastal Ecology @ AWI; DATE/TIME; DEPTH, water; Diameter, including arms; Disc diameter; German Bight Wadden Sea; LATITUDE; List_Reede; Lister_Ley; Location; LONGITUDE; Long-term time series Sylt; Macrobenthos; MULT; Multiple investigations; Number of individuals per size class; Sample code/label; Shell diameter; Shell length; Species; Time-Series Data; Wadden Sea
    Type: Dataset
    Format: text/tab-separated-values, 7955 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 37
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    Size of hard-shelled individuals in the zoobenthos time series at List Reede, Sylt, Germany, in 2007 (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Description: A shallow subtidal area in the northern Wadden Sea was monitored for sediment parameters and macrobenthic fauna using stratified random sampling of a grid of 50 sampling positions. Samples were collected with a Reineck-type box-corer of 0.02 m² surface area, macrobenthos (sieved through 1 mm square meshes and fixed in buffered formalin solution) was counted, identified to species level, and the size of hard-shelled individuals measured. This dataset contains the size measurements of 3555 individuals from the 10 sampling dates in 2007.
    Keywords: AWI_Coast; Body length; Carapace width; Coastal Ecology @ AWI; DATE/TIME; DEPTH, water; Diameter, including arms; Disc diameter; German Bight Wadden Sea; LATITUDE; List_Reede; Lister_Ley; Location; LONGITUDE; Long-term time series Sylt; Macrobenthos; MULT; Multiple investigations; Number of individuals per size class; Sample code/label; Shell diameter; Shell length; Species; Time-Series Data; Wadden Sea
    Type: Dataset
    Format: text/tab-separated-values, 11565 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 38
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    Size of hard-shelled individuals in the zoobenthos time series at List Reede, Sylt, Germany, in 2009 (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Description: A shallow subtidal area in the northern Wadden Sea was monitored for sediment parameters and macrobenthic fauna using stratified random sampling of a grid of 50 sampling positions. Samples were collected with a Reineck-type box-corer of 0.02 m² surface area, macrobenthos (sieved through 1 mm square meshes and fixed in buffered formalin solution) was counted, identified to species level, and the size of hard-shelled individuals measured. This dataset contains the size measurements of 734 individuals from the three sampling dates in 2009.
    Keywords: AWI_Coast; Body length; Carapace width; Coastal Ecology @ AWI; DATE/TIME; DEPTH, water; Diameter, including arms; Disc diameter; German Bight Wadden Sea; LATITUDE; List_Reede; Lister_Ley; Location; LONGITUDE; Long-term time series Sylt; Macrobenthos; MULT; Multiple investigations; Number of individuals per size class; Sample code/label; Shell diameter; Shell length; Species; Time-Series Data; Wadden Sea
    Type: Dataset
    Format: text/tab-separated-values, 2645 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 39
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    Size of hard-shelled individuals in the zoobenthos time series at List Reede, Sylt, Germany, in 2010 (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Description: A shallow subtidal area in the northern Wadden Sea was monitored for sediment parameters and macrobenthic fauna using stratified random sampling of a grid of 50 sampling positions. Samples were collected with a Reineck-type box-corer of 0.02 m² surface area, macrobenthos (sieved through 1 mm square meshes and fixed in buffered formalin solution) was counted, identified to species level, and the size of hard-shelled individuals measured. This dataset contains the size measurements of 672 individuals from the three sampling dates in 2010.
    Keywords: AWI_Coast; Body length; Carapace width; Coastal Ecology @ AWI; DATE/TIME; DEPTH, water; Diameter, including arms; Disc diameter; German Bight Wadden Sea; LATITUDE; List_Reede; Lister_Ley; Location; LONGITUDE; Long-term time series Sylt; Macrobenthos; MULT; Multiple investigations; Number of individuals per size class; Sample code/label; Shell diameter; Shell length; Species; Time-Series Data; Wadden Sea
    Type: Dataset
    Format: text/tab-separated-values, 2760 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 40
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    Size of hard-shelled individuals in the zoobenthos time series at List Reede, Sylt, Germany, in 2011 (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Description: A shallow subtidal area in the northern Wadden Sea was monitored for sediment parameters and macrobenthic fauna using stratified random sampling of a grid of 50 sampling positions. Samples were collected with a Reineck-type box-corer of 0.02 m² surface area, macrobenthos (sieved through 1 mm square meshes and fixed in buffered formalin solution) was counted, identified to species level, and the size of hard-shelled individuals measured. This dataset contains the size measurements of 1018 individuals from the five sampling dates in 2011.
    Keywords: AWI_Coast; Body length; Carapace width; Coastal Ecology @ AWI; DATE/TIME; DEPTH, water; Diameter, including arms; Disc diameter; German Bight Wadden Sea; LATITUDE; List_Reede; Lister_Ley; Location; LONGITUDE; Long-term time series Sylt; Macrobenthos; MULT; Multiple investigations; Number of individuals per size class; Sample code/label; Shell diameter; Shell length; Species; Time-Series Data; Wadden Sea
    Type: Dataset
    Format: text/tab-separated-values, 4565 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 41
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    Size of hard-shelled individuals in the zoobenthos time series at List Reede, Sylt, Germany, in 2008 (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Description: A shallow subtidal area in the northern Wadden Sea was monitored for sediment parameters and macrobenthic fauna using stratified random sampling of a grid of 50 sampling positions. Samples were collected with a Reineck-type box-corer of 0.02 m² surface area, macrobenthos (sieved through 1 mm square meshes and fixed in buffered formalin solution) was counted, identified to species level, and the size of hard-shelled individuals measured. This dataset contains the size measurements of 1072 individuals from the five sampling dates in 2008.
    Keywords: AWI_Coast; Body length; Carapace width; Coastal Ecology @ AWI; DATE/TIME; DEPTH, water; Diameter, including arms; Disc diameter; German Bight Wadden Sea; LATITUDE; List_Reede; Lister_Ley; Location; LONGITUDE; Long-term time series Sylt; Macrobenthos; MULT; Multiple investigations; Number of individuals per size class; Sample code/label; Shell diameter; Shell length; Species; Time-Series Data; Wadden Sea
    Type: Dataset
    Format: text/tab-separated-values, 3830 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 42
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    Size of hard-shelled individuals in the zoobenthos time series at List Reede, Sylt, Germany, in 2014 (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Description: A shallow subtidal area in the northern Wadden Sea was monitored for sediment parameters and macrobenthic fauna using stratified random sampling of a grid of 50 sampling positions. Samples were collected with a Reineck-type box-corer of 0.02 m² surface area, macrobenthos (sieved through 1 mm square meshes and fixed in buffered formalin solution) was counted, identified to species level, and the size of hard-shelled individuals measured. This dataset contains the size measurements of 1055 individuals from the 2014 sampling.
    Keywords: AWI_Coast; Body length; Carapace width; Coastal Ecology @ AWI; DATE/TIME; DEPTH, water; Diameter, including arms; Disc diameter; German Bight Wadden Sea; LATITUDE; List_Reede; Lister_Ley; Location; LONGITUDE; Long-term time series Sylt; Macrobenthos; MULT; Multiple investigations; Number of individuals per size class; Sample code/label; Shell diameter; Shell length; Species; Time-Series Data; Wadden Sea
    Type: Dataset
    Format: text/tab-separated-values, 1605 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 43
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    Size of hard-shelled individuals in the zoobenthos time series at List Reede, Sylt, Germany, in 2015 (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Description: A shallow subtidal area in the northern Wadden Sea was monitored for sediment parameters and macrobenthic fauna using stratified random sampling of a grid of 50 sampling positions. Samples were collected with a Reineck-type box-corer of 0.02 m² surface area, macrobenthos (sieved through 1 mm square meshes and fixed in buffered formalin solution) was counted, identified to species level, and the size of hard-shelled individuals measured. This dataset contains the size measurements of 294 individuals from the 2015 sampling.
    Keywords: AWI_Coast; Body length; Carapace width; Coastal Ecology @ AWI; DATE/TIME; DEPTH, water; Diameter, including arms; German Bight Wadden Sea; LATITUDE; List_Reede; Lister_Ley; Location; LONGITUDE; Long-term time series Sylt; Macrobenthos; MULT; Multiple investigations; Number of individuals per size class; Sample code/label; Shell diameter; Shell length; Species; Time-Series Data; Wadden Sea
    Type: Dataset
    Format: text/tab-separated-values, 1074 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 44
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    Size of hard-shelled individuals in the zoobenthos time series at List Reede, Sylt, Germany, in 2018 (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Description: A shallow subtidal area in the northern Wadden Sea was monitored for sediment parameters and macrobenthic fauna using stratified random sampling of a grid of 50 sampling positions. Samples were collected with a Reineck-type box-corer of 0.02 m² surface area, macrobenthos (sieved through 1 mm square meshes and fixed in buffered formalin solution) was counted, identified to species level, and the size of hard-shelled individuals measured. This dataset contains the size measurements of 120 individuals from the 2018 sampling.
    Keywords: AWI_Coast; Body length; Carapace width; Coastal Ecology @ AWI; DATE/TIME; DEPTH, water; German Bight Wadden Sea; LATITUDE; List_Reede; Lister_Ley; Location; LONGITUDE; Long-term time series Sylt; Macrobenthos; MULT; Multiple investigations; Number of individuals per size class; Sample code/label; Shell length; Species; Time-Series Data; Wadden Sea
    Type: Dataset
    Format: text/tab-separated-values, 510 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 45
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    Size of hard-shelled individuals in the zoobenthos time series at List Reede, Sylt, Germany, in 2019 (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Description: A shallow subtidal area in the northern Wadden Sea was monitored for sediment parameters and macrobenthic fauna using stratified random sampling of a grid of 50 sampling positions. Samples were collected with a Reineck-type box-corer of 0.02 m² surface area, macrobenthos (sieved through 1 mm square meshes and fixed in buffered formalin solution) was counted, identified to species level, and the size of hard-shelled individuals measured. This dataset contains the size measurements of 134 individuals from the 2019 sampling.
    Keywords: AWI_Coast; Body length; Carapace width; Coastal Ecology @ AWI; DATE/TIME; DEPTH, water; Diameter, including arms; German Bight Wadden Sea; LATITUDE; List_Reede; Lister_Ley; Location; LONGITUDE; Long-term time series Sylt; Macrobenthos; MULT; Multiple investigations; Number of individuals per size class; Sample code/label; Shell diameter; Shell length; Species; Time-Series Data; Wadden Sea
    Type: Dataset
    Format: text/tab-separated-values, 655 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 46
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    Radiocarbon data of high molecular weight fatty acids from sediment core ARA04C/37 (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-22
    Keywords: 37GVC1; AGE; ARA04C; ARA04C/37; Araon; Arctic Ocean; Beaufort Sea; BICYCLE-SE carbon cycle model; Biomarker; Blank- and methyl-corrected; DEPTH, sediment/rock; Fraction modern carbon; Fraction modern carbon, standard deviation; GC; Gravity corer; Radiocarbon analysis (14C); radiocarbon isotope (Fm); Rock-Eval; Sample material
    Type: Dataset
    Format: text/tab-separated-values, 45 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 47
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    Radiocarbon data of bulk organic carbon from sediment core ARA04C/37 (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-22
    Keywords: 37GVC1; AGE; ARA04C; ARA04C/37; Araon; Arctic Ocean; Beaufort Sea; BICYCLE-SE carbon cycle model; Biomarker; DEPTH, sediment/rock; Fraction modern carbon; Fraction modern carbon, standard deviation; GC; Gravity corer; Radiocarbon analysis (14C); radiocarbon isotope (Fm); Rock-Eval; Sample material
    Type: Dataset
    Format: text/tab-separated-values, 144 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 48
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    Impact of Indian Ocean surface temperature gradient reversals on the Indian Summer Monsoon over the last 26 kyr (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-06
    Description: The 26,000-year long time-series analyzed in a marine sediment core from the northern Bay of Bengal includes Mg/Ca-based SST estimates, Ba/Ca-based mixed layer salinity estimates, and estimates of ice-volume corrected d18O of the mixed layer. The data are provide new insights into the control of Indian Summer Monsoon over the last 26,000 years, including a strong influence of zonal and meridional SST gradient changes within the tropical Indian Ocean on Indian Summer Monsoon variability.
    Keywords: Ba/Ca-based salinitt estimates; Bay of Bengal; Holocene climate variability; Indian Monsoon; Indian Ocean Dipole; last deglaciation; Last Glacial Maximum; Mg/Ca-based paleotemperatures; runoff; Salinity; Temperature
    Type: Dataset
    Format: application/zip, 3 datasets
    Location Call Number Expected Availability
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  • 49
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    Aerosol lithium concentration data from the Indian and Pacific ocean (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-04
    Description: A total of 125 aerosol samples were analysed for their lithium concentrations and deposition flux. Daily aerosol samples were collected from the Pacific Ocean during CLIVAR-CO2 Repeat Hydrography Sections P16 and P2. The P16 section follows 150°-152°W and was divided into two legs, a southern leg from 17°S to 71°S in January-February 2005, and a northern leg from 16°S to 56°N in February-March 2006. CLIVAR-CO2 section P2 from Japan to San Diego, along 30°N, was visited in June-August 2004. The aerosol data from both CLIVAR-CO2 sections include aerosol lithium concentration measured following digestion in HF:HNO3:HCl mixture and corrected for sea-salt contributions (Li xs total), the P16 data also includes aerosol lithium extracted with ultrapure deionised water (≥18 MΩ) by pulling 100 mL of deionised water within ten seconds through the filter (Li xs MQ). Aerosol lithium deposition flux was calculated based on the local rain rate.
    Keywords: aerosol; Cruise/expedition; DATE/TIME; Indian Ocean; LATITUDE; Lithium; Lithium, flux; Lithium, soluble; LONGITUDE; Pacific Ocean; Precipitation, annual, mean; Sinking velocity
    Type: Dataset
    Format: text/tab-separated-values, 999 data points
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  • 50
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    Physical properties of sediments in the Norwegian Trough measured on short cores taken between 1992 and 1996 (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-02
    Description: Wet bulk density, dry bulk density, porosity, water content and water saturation of sediments from the Norwegian Trough were determined on short cores taken between 1992 and 1996. On the cruises 17-25 July 1992 (station 2-55) and 1-6 July 1993 (station 56-75) in the easternmost part of the Skagerrak, cores were taken with a Niemistö corer. Plastic liners (length 76 cm, outer diameter 63 mm, inner diameter 59 mm) were placed in the corer with holes drilled every five centimetres downwards. These holes were sealed with tape before sampling. After the sample was taken, the tape was removed. In most cases, there was water along the inside of the plastic liner. This water was allowed to drain before sub-samples were taken. Then plastic syringes without a tip were carefully inserted into each hole, and 10 ml of wet sediment was taken out. The sub-samples were then pressed out of the syringes into plastic bags that had been weighed in advance and stored in a refrigerator until they were measured in the laboratory. Upon arrival at the laboratory, the plastic bags with samples were weighed, the weight of the plastic bags was deducted, and the weight of 10 ml of the wet sample was noted. The weight of the dry sample was found by transferring the sample material onto a pre-weighted ceramic bowl before it was weighed again, then drying the bowl with sample in drying cabinet at 70 degrees C for 24 hours, and finally weighing the bowl with sample after drying. The weight of 10 ml of dry sample corresponds to the difference before and after drying. On the cruises 5-16 June 1994 (stations 76-133), 17-24 July 1995 (stations 135-180) and 9-19 September 1996 (stations 181-286), cores were taken with a multicorer. Plastic liners (length 61 cm, outer diameter 63 mm, inner diameter 59 mm) were placed in the corer, which after sampling was closed at both ends with rubber caps to prevent water in the core and on top of the core from leaking out or to evaporate. The cores were then transported to the laboratory in an upright position and stored as such until they were opened. After removing the rubber cap on top of the core, the water was drained by drilling holes in the plastic liner just above the top of the sediment. Lying in a rack, the core was then divided lengthwise with a circular saw by sawing through the plastic liner on both sides of the core. A thin string was then pulled in the saw gap through the sediment and the core split in two halves. Metal rings of known weight and volume were used to take sub-samples. The ring (approx. 2 cm in diameter) was gently pressed into the sediment at certain depths in the middle of one of the core halves, until the ring was full, and then gently tilted out with a spatula. The ends were levelled with a wire saw or spatula, and the excess sediment was discarded. The wet sample plus ring was weighed immediately after the sediment on the outside of the metal ring was removed. The sample was then pressed out into a pre-weighed porcelain bowl. Then the weight of bowl plus wet sample was measured, and the weight of wet sample was determined. The sample was dried in a porcelain bowl in a heating cabinet at 105 degrees C for 24 hours, before the sample plus bowl was weighed again and the dry weight was determined. More details on the methods can be found in Rise and Bøe (1995) and Bøe and Rise (1997).
    Keywords: 10; 100; 101; 102; 103; 104; 105; 106; 107; 108; 109; 11; 110; 111; 112; 113; 114; 115; 116; 117; 118; 119; 12; 120; 121; 122; 123; 127; 128; 129; 13; 130; 131; 132; 133; 135; 136; 137; 138; 139; 14; 140; 141; 142; 143; 144; 145; 146; 147; 148; 149; 15; 150; 151; 152; 153; 154; 155; 156; 157; 158; 16; 160; 161; 162; 163; 164; 165; 166; 166B; 167; 169; 17; 170; 171; 172; 173; 175; 176; 177; 178; 179; 18; 180; 181; 182; 183; 184; 185; 186; 188; 189; 19; 190; 191; 192; 193; 194; 195; 196; 197; 198; 199; 2; 200; 201; 203; 205; 206; 207; 208; 209; 21; 210; 211; 212; 213; 214; 215; 216; 22; 220; 221; 222; 223; 224; 225; 226; 227; 228; 229; 23; 230; 231; 232; 235; 236; 237; 238; 239; 24; 240; 241; 242; 243; 244; 245; 246; 247; 25; 251; 252; 253; 254; 255; 256; 257; 258; 259; 26; 260; 261; 262; 263; 264; 268; 269; 27; 270; 271; 272; 273; 274; 275; 276; 277; 28; 280; 281; 282; 283; 284; 285; 286; 29; 3; 30; 31; 32; 33; 34; 35; 36; 37; 38; 39; 4; 40; 41; 42; 43; 44; 45; 46; 47; 48; 49; 5; 50; 51; 52; 53; 54; 55; 56; 57; 58; 59; 6; 60; 61; 62; 63; 64; 65; 66; 67; 68; 69; 7; 70; 71; 72; 73; 74; 75; 76; 77; 78; 79; 8; 80; 81; 82; 83; 84; 85; 86; 87; 88; 89; 9; 90; 91; 92; 93; 94; 95; 96; 97; 98; 99; Date/Time of event; Density, dry bulk; Density, wet bulk; DEPTH, sediment/rock; dry bulk density; Event label; Håkon Mosby; HM9205; HM9205_10; HM9205_11; HM9205_12; HM9205_13; HM9205_14; HM9205_15; HM9205_16; HM9205_17; HM9205_18; HM9205_19; HM9205_2; HM9205_21; HM9205_22; HM9205_23; HM9205_24; HM9205_25; HM9205_26; HM9205_27; HM9205_28; HM9205_29; HM9205_3; HM9205_30; HM9205_31; HM9205_32; HM9205_33; HM9205_34; HM9205_35; HM9205_36; HM9205_37; HM9205_38; HM9205_39; HM9205_4; HM9205_40; HM9205_41; HM9205_42; HM9205_43; HM9205_44; HM9205_45; HM9205_46; HM9205_47; HM9205_48; HM9205_49; HM9205_5; HM9205_50; HM9205_51; HM9205_52; HM9205_53; HM9205_54; HM9205_55; HM9205_6; HM9205_7; HM9205_8; HM9205_9; HM9307; HM9307_56; HM9307_57; HM9307_58; HM9307_59; HM9307_60; HM9307_61; HM9307_62; HM9307_63; HM9307_64; HM9307_65; HM9307_66; HM9307_67; HM9307_68; HM9307_69; HM9307_70; HM9307_71; HM9307_72; HM9307_73; HM9307_74; HM9307_75; HM9404; HM9404_100; HM9404_101; HM9404_102; HM9404_103; HM9404_104; HM9404_105; HM9404_106; HM9404_107; HM9404_108; HM9404_109; HM9404_110; HM9404_111; HM9404_112; HM9404_113; HM9404_114; HM9404_115; HM9404_116; HM9404_117; HM9404_118; HM9404_119; HM9404_120; HM9404_121; HM9404_122; HM9404_123; HM9404_127; HM9404_128; HM9404_129; HM9404_130; HM9404_131; HM9404_132; HM9404_133; HM9404_76; HM9404_77; HM9404_78; HM9404_79; HM9404_80; HM9404_81; HM9404_82; HM9404_83; HM9404_84; HM9404_85; HM9404_86; HM9404_87; HM9404_88; HM9404_89; HM9404_90; HM9404_91; HM9404_92; HM9404_93; HM9404_94; HM9404_95; HM9404_96; HM9404_97; HM9404_98; HM9404_99; HM9506; HM9506_135; HM9506_136; HM9506_137; HM9506_138; HM9506_139; HM9506_140; HM9506_141; HM9506_142; HM9506_143; HM9506_144; HM9506_145; HM9506_146; HM9506_147; HM9506_148; HM9506_149; HM9506_150; HM9506_151; HM9506_152; HM9506_153; HM9506_154; HM9506_155; HM9506_156; HM9506_157; HM9506_158; HM9506_160; HM9506_161; HM9506_162; HM9506_163; HM9506_164; HM9506_165; HM9506_166; HM9506_166B; HM9506_167; HM9506_169; HM9506_170; HM9506_171; HM9506_172; HM9506_173; HM9506_175; HM9506_176; HM9506_177; HM9506_178; HM9506_179; HM9506_180; HM9606; HM9606_181; HM9606_182; HM9606_183; HM9606_184; HM9606_185; HM9606_186; HM9606_188; HM9606_189; HM9606_190; HM9606_191; HM9606_192; HM9606_193; HM9606_194; HM9606_195; HM9606_196; HM9606_197; HM9606_198; HM9606_199; HM9606_200; HM9606_201; HM9606_203; HM9606_205; HM9606_206; HM9606_207; HM9606_208; HM9606_209; HM9606_210; HM9606_211; HM9606_212; HM9606_213; HM9606_214; HM9606_215; HM9606_216; HM9606_220; HM9606_221; HM9606_222; HM9606_223; HM9606_224; HM9606_225; HM9606_226; HM9606_227; HM9606_228; HM9606_229; HM9606_230; HM9606_231; HM9606_232; HM9606_235; HM9606_236; HM9606_237; HM9606_238; HM9606_239; HM9606_240; HM9606_241; HM9606_242; HM9606_243; HM9606_244; HM9606_245; HM9606_246; HM9606_247; HM9606_251; HM9606_252; HM9606_253; HM9606_254; HM9606_255; HM9606_256; HM9606_257; HM9606_258; HM9606_259; HM9606_260; HM9606_261; HM9606_262; HM9606_263; HM9606_264; HM9606_268; HM9606_269; HM9606_270; HM9606_271; HM9606_272; HM9606_273; HM9606_274; HM9606_275; HM9606_276; HM9606_277; HM9606_280; HM9606_281; HM9606_282; HM9606_283; HM9606_284; HM9606_285; HM9606_286; Latitude of event; Longitude of event; MUC; MultiCorer; NC; Niemistoe corer; North Sea; Norwegian Trough, North Sea; porosity; Porosity; Saturation; Skagerrak; Station label; water content; Water content, sediment; water saturation; wet bulk density
    Type: Dataset
    Format: text/tab-separated-values, 6366 data points
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  • 51
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    Solid phase concentrations in the sediment at 5 sites along a water depth transect in the Gulf of Mexico (Louisiana continental shelf) (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-03
    Description: All sediments were freeze-dried and the porosity was determined from the weight loss upon freeze drying. To determine the total elemental concentrations of aluminum (Al), Co, Fe, Mn, Ni, and S, ca. 125 mg of sediment was digested in 2.5 ml mixed acid (HNO3:HClO4; 2:3) and 2.5 ml 40% HF at 90◦C. After fuming off the acids, the residue was redissolved in 4.5% HNO3. The solutions were subsequently analyzed on an ICP-OES. The analytical uncertainty based on duplicates and triplicates was 〈1% for Al, 〈4.2% for Co, 〈1.6% for Fe, 〈2.5% for Mn, 〈2.3% for Ni, and 〈1.7% for S. A subsample of circa 300 mg was decalcified with 2 wash steps of 1M HCl and subsequently dried, powdered and analyzed for carbon (C) using an elemental analyser (Fisons Instrumentsmodel NA 1500 NCS). Organic C content was determined after correction for the weight loss following decalcification. The analytical uncertainty based on duplicates and triplicates was 〈0.07 wt%.
    Keywords: 64PE434_1; 64PE434_2; 64PE434_3; 64PE434_4; 64PE434_5; 64PE434_NICO_Leg7; Aluminium, total; Carbon, organic; Cobalt, total; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Event label; Gulf of Mexico; Inductively Coupled Plasma - Optical Emission Spectrometry (ICP-OES); Iron; Iron, total; Iron ascorbic acid extraction; Iron disulfide; Iron II, ferrous iron; Iron monosulfide; Iron oxides; Manganese, total; Nickel, total; Pelagia; Porosity; Station 1; Station 2; Station 3; Station 4; Station 5; Sulfur, total; Surface water sample; SWS
    Type: Dataset
    Format: text/tab-separated-values, 1511 data points
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  • 52
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    Porewater concentrations of ammonium, nitrite, nitrate, sulfate, hydrogen sulfide, dissolved iron and dissolved manganese at 5 sites along a water depth transect in the Gulf of Mexico (Louisiana continental shelf) (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-03
    Description: Porewater samples for NH4+, NO3- , and NO2- were analyzed on board with Quattro gas-segmented continuous flow analysers using the indophenolblue method (NH+4), and the sulphanyl-amide method (NOx). Porewater sulfide was determined spectrophotometrically using phenylenediamine and ferric chloride. Porewater samples for SO4 2- were analyzed by ion-chromatography. Dissolved Fe and Mn were analyzed by Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES; Spectro Arcos). Porewater concentrations were around or below the detection limit (0.5 and 0.8 μmol L−1, respectively) and are therefore not presented.
    Keywords: 64PE434_1; 64PE434_2; 64PE434_3; 64PE434_4; 64PE434_5; 64PE434_NICO_Leg7; Ammonium; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Event label; Gulf of Mexico; Hydrogen sulfide; Inductively Coupled Plasma - Optical Emission Spectrometry (ICP-OES); Ion chromatography; Iron, dissolved; Manganese, dissolved; Nitrate; Nitrite; Pelagia; see description in data abstract; Station 1; Station 2; Station 3; Station 4; Station 5; Sulfate; Surface water sample; SWS
    Type: Dataset
    Format: text/tab-separated-values, 839 data points
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  • 53
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    Surface sediment and topsoil biomarker isotope data from Lake Khar Nuur and its catchment, Mongolia (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-13
    Description: The compound-specific hydrogen isotopic composition (δ2H) of n-alkanes well reflect hydrological conditions in lake sediments, but the spatial distribution of the δ2H signal of terrestrial and aquatic n - alkanes within lakes is not systematically investigated so far. Therefore, we analyzed compound-specific δ2H of terrestrial and aquatic n-alkanes of 46 surface sediment samples from Lake Khar Nuur, a semi-arid and high-altitude lake in the Mongolian Altai (2,486 m a.s.l.; 48°37'22.9N, 88°56'42.5E). Additionally, we analyzed the terrestrial δ2H signal of 13 topsoils from the catchment. Lake surface sediments were recovered from the lake floor with a Van Veen Grab sampler and topsoils (0-5 cm) were sampled as a mixed samples of three subsamples from each site during a fieldtrip in July 2018. Sample extraction procedure is described in detail by Strobel et al. (in revision). Compound-specific δ2H was analyzed for the terrestrial n-alkane C31 (δ2HC31) in the topsoil and surface sediment samples, whereas δ2H of the aquatic C23 (δ2HC23) was analyzed in the lake surface sediments. One topsoil site is grown by Betula nana (L.) showing C27 as the dominant chain-length, which was target for compound-specific δ2H measurements at this site (δ2HC27). All δ2H measurements were carried out on an IsoPrime visION isotope ratio mass spectrometer coupled to an Agilent 7890A GC via a GC5 pyrolysis/combustion interface operating in pyrolysis mode with a Cr (ChromeHD) reactor at 1050 °C.
    Keywords: compound-specific biomarker isotopes; lake surface sediments; Mongolia; topsoils
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 54
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    Limnological, sedimentological, mineralogical and geological data of 76 aquatic ecosystems of the northern Neotropics (from Yucatán Peninsula Mexico to Nicaragua) sampled in 2013 (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-14
    Description: Here, we present 23 water physical (temperature, dissolved oxygen, pH, conductivity) and chemical (major anions Cl-, SO42-, CO32-, HCO3- and cations Ca2+, K+, Mg2+, Na+), sedimentological (total carbon (TC), total inorganic carbon (TIC), total organic carbon (TOC), total nitrogen (TN)), mineralogical (quartz, carbonate, phyllosilicates and feldspars) and geological (altitude, bedrock type and age of sediments) variables of aquatic systems of the Northern Neotropical region. Sampling was conducted in 76 aquatic systems during July-October 2013, coinciding with the rainy season in the region. Sampling sites are located on the Yucatán Peninsula Mexico (n=28), Guatemala (n=26), El Salvador (n=14), Honduras (n=5) and Nicaragua (n=3). We aim to identify limnological regions based on the measured variables and to infer the influence of geodiversity in observed patterns. Water physical and chemical variables were measured in situ with a WTW Multi Set 350i multiparameter probe at a water depth of 0.5 m. Water samples for analysis of major anions and cations were collected at water depths of 0.5 m below surface. TC and TN in sediments contents were determined by combustion with a LECO TruSpec Macro CHN analyzer. TIC was quantified with a Woesthoff Carmhograph C-16. TOC was calculated by subtracting TIC from TC. Qualitative and semi-quantitative mineralogical compounds were examined by x-ray diffraction with a RIGAKU Miniflex600. ArcGIS software was used to identify geological attributes of sampling sites such as bedrock and age of sediments. Altitude, latitude, and longitude were determined with the navigator Garmin GPSmap 60c.
    Keywords: ArcGIS software; Bedrock type; Bicarbonate ion; Calcium; Calculated by subtracting TIC from TC; Carbon, inorganic, total; Carbon, organic, total; Carbon, total; Carbonate; Carbonate, Intensity; Chloride; Conductivity, electrolytic; DATE/TIME; DEPTH, water; Device type; ELEVATION; Epoch; Event label; Feldspar, Intensity; LATITUDE; LECO TruSpec Macro CHN analyzer; Limnolgy; LONGITUDE; Magnesium; mineralogy; MULT; Multiple investigations; Nitrogen, total; northern Neotropical region; northern Neotropics; Oxygen; pH; Phyllosilicates, Intensity; Potassium; Quartz, intensity; Sample ID; Sedimentology; Sodium; Sulfate; Temperature, water; Woesthoff Carmhograph C-16; WTW Multi Set 350i multiparameter probe; X-ray diffraction (RIGAKU Miniflex600); YP-GSHN-2013; YP-GSHN-2013_ALE; YP-GSHN-2013_AMA; YP-GSHN-2013_APA; YP-GSHN-2013_ARA; YP-GSHN-2013_ATI; YP-GSHN-2013_BAC; YP-GSHN-2013_CAL; YP-GSHN-2013_CAMP; YP-GSHN-2013_CAN; YP-GSHN-2013_CAO; YP-GSHN-2013_CH1; YP-GSHN-2013_CH2; YP-GSHN-2013_CHA; YP-GSHN-2013_CHI; YP-GSHN-2013_COA; YP-GSHN-2013_COL; YP-GSHN-2013_COM; YP-GSHN-2013_CSAB; YP-GSHN-2013_DIE; YP-GSHN-2013_EMI; YP-GSHN-2013_ENC; YP-GSHN-2013_ESP; YP-GSHN-2013_GLO; YP-GSHN-2013_GMI; YP-GSHN-2013_GRA; YP-GSHN-2013_GUI; YP-GSHN-2013_ILO; YP-GSHN-2013_IPA; YP-GSHN-2013_ITZ; YP-GSHN-2013_JOC; YP-GSHN-2013_JOS; YP-GSHN-2013_JUA; YP-GSHN-2013_JUC; YP-GSHN-2013_KAN; YP-GSHN-2013_LAC; YP-GSHN-2013_LCH1; YP-GSHN-2013_LCH2; YP-GSHN-2013_MAD; YP-GSHN-2013_MAG; YP-GSHN-2013_MAN; YP-GSHN-2013_MAS; YP-GSHN-2013_MET; YP-GSHN-2013_MIG; YP-GSHN-2013_MIS; YP-GSHN-2013_MU1; YP-GSHN-2013_MU2; YP-GSHN-2013_MUY; YP-GSHN-2013_NAG; YP-GSHN-2013_NEG; YP-GSHN-2013_NIC; YP-GSHN-2013_NOH; YP-GSHN-2013_OLO; YP-GSHN-2013_OQU; YP-GSHN-2013_OXO; YP-GSHN-2013_PE1; YP-GSHN-2013_PET; YP-GSHN-2013_PIN; YP-GSHN-2013_PO1; YP-GSHN-2013_PO2; YP-GSHN-2013_QUE; YP-GSHN-2013_ROS; YP-GSHN-2013_SAB; YP-GSHN-2013_SAC; YP-GSHN-2013_SAL; YP-GSHN-2013_SEN; YP-GSHN-2013_SEP; YP-GSHN-2013_SIJ; YP-GSHN-2013_SIL; YP-GSHN-2013_TEK; YP-GSHN-2013_TIC; YP-GSHN-2013_VAL; YP-GSHN-2013_VER; YP-GSHN-2013_YAL; YP-GSHN-2013_YAX; YP-GSHN-2013_YOJ; YP-GSHN-2013_YUM
    Type: Dataset
    Format: text/tab-separated-values, 1652 data points
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  • 55
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    Radiocarbon age measurements on foraminifera from sediment core OR1-1218-C2-BC (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Description: Radiocarbon ages measured on different sample types from the marine sediment core OR1-1218-C2-BC which was retrieved from the southern South China Sea using a box corer. Onboard the ship, the core was separated into several sub-cores of which nine sub-core were analysed. Bulk samples contain 1/3 of 200 individual foraminifera (~800 µg) picked from the nine sub-cores at discrete depths (0 - 2, 6 - 8, 10 - 12, 16 - 18, 22 - 24, 28 - 30 and 32 - 34 cm.). Additional small number samples are based on 5 specimens with ten replications for two depths (6 - 8 and 36 - 37 cm) from sub-core 1. The data are used to estimate the sediment accumulation rate and the vertical extent of the sediment mixing. Additionally, the data are used to assess the intensity of the sediment mixing and the three-dimensional age-heterogeneity within the core.
    Keywords: AWI_Envi; AWI_SPACE; Foraminifera; marine; Polar Terrestrial Environmental Systems @ AWI; radiocarbon; sediment; Space-time structure of climate change @ AWI
    Type: Dataset
    Format: application/zip, 3 datasets
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  • 56
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    Temperature, Salinity, pH, oxygen and chlorophyll measurements in the Oddewatt oyster reef in 2020 (2022)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2023-03-16
    Description: Temperature, Salinity, pH, oxygen and chlorophyll data was collected with a Hydrolab HL7 multi parameter sonde installed on an oyster table in the Oddewatt oyster reef in Königshafen, Sylt, Germany (55.028483, 8.433876). The table and sonde surface during low tide.
    Keywords: abiotic parameters; Chlorophyll a; DATE/TIME; DEPTH, water; HydroLab HL7; Königshafen; Königshafen, Sylt, Germany; Oxygen, dissolved; Oxygen saturation; OysterBed_2020; pH; Salinity; Temperature, water; Waddensea
    Type: Dataset
    Format: text/tab-separated-values, 58880 data points
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  • 57
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    Western tropical South Atlantic sea surface temperature for the Last Interglacial based on Mg/Ca in shells of Globigerinoides ruber (white) from sediment core GL-1180 (2022)
    PANGAEA
    Details
    Publication Date: 2023-04-08
    Description: The Last Interglacial (LIG, 129-116 thousand years ago) is an excellent case study for global warming scenarios and a target for proxy-model comparisons. The LIG global average sea surface temperature (SST) was ~0.5°C higher than pre-industrial (PI). Despite the global average, tropical SST compilations and model simulations show a negative anomaly in LIG SST relative to PI. Here, we present a LIG SST record from marine sediment core GL-1180 retrieved from the western tropical South Atlantic (WTSA). The SST record is based on Mg/Ca ratios of planktonic foraminifera Globigerinoides ruber (white).
    Keywords: AGE; Core; CORE; DEPTH, sediment/rock; Derived from measurements in shells of Globigerinoides ruber (white); GL1180; GL-1180; Globigerinoides ruber; Globigerinoides ruber white, Aluminium/Calcium ratio; Globigerinoides ruber white, Iron/Calcium ratio; Globigerinoides ruber white, Manganese/Calcium ratio; Last Interglacial; Mg/Ca-based sea surface temperature; Sea surface temperature; Sea surface temperature, standard error; western tropical Atlantic; western tropical South Atlantic
    Type: Dataset
    Format: text/tab-separated-values, 210 data points
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  • 58
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    Borehole temperature measurements and drilling data at MeBo200 drill sites in the Black Sea and the South China Sea (2022)
    PANGAEA
    Details
    Publication Date: 2023-04-27
    Description: Drilling data and borehole temperature data for one MARUM-MeBo200 drill site in the Black Sea (GeoB22605-1) and three MARUM-MeBo200 drill sites in the South China Sea (GeoB23213-1, GeoB23231-1, GeoB23234-1). Drilling data contain time, drilling depth and flush water flow rate, that is assumed to have an impact on the temperature distribution within the borehole. Borehole temperature data were measured at the end of the drilling operation with an autonomous borehole logging tool during trip out of the drill string. The temperature data sets contain time, depth of temperature sensor, and event descriptions that refer to the end of flush water operation as well as to the operation of the logging tool.
    Keywords: Drilling data; MeBo200
    Type: Dataset
    Format: application/zip, 8 datasets
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  • 59
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    Glacier surface velocities of Kesselwandferner, 2020/2021 (2022)
    PANGAEA
    Details
    Publication Date: 2023-04-27
    Description: Glacier surface velocities are measured on four neighbouring glaciers in the Ötztal Alps (Austria). Measurements of the annual horizontal flow velocity (Δs/a [m/a]) on Hintereisferner (HEF) were started in 1885 at stone lines (cross-profiles). Annual values for the stone lines are given as mean values from the stones at the cross-profiles. On Kesselwandferner, the annual horizontal (Δs/a [m/a]) and vertical velocities (Δv/a [m/a], positive upwards and negative downwards) are measured at ablation and accumulation stakes since 1965. On Taschachferner (TSF) and Gepatschferner (GPF), the records of annual and subseasonal horizontal flow velocities at ablation stakes were started in 2009. This data series is a continuation of: doi:10.1594/PANGAEA.896741
    Keywords: DATE/TIME; GLAC; Glacial flow, horizontal; Glacial flow, vertical; Glacial flow velocity, horizontal, annual; Kesselwandferner; Kesselwandferner, Ötztaler Alpen, Austria; KWF; LATITUDE; Line; LONGITUDE; Sampling/measurements on glacier; UTM Easting, Universal Transverse Mercator; UTM Northing, Universal Transverse Mercator; Years
    Type: Dataset
    Format: text/tab-separated-values, 64 data points
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  • 60
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    Glacier surface velocities of Hintereisferner, 2020/2021 (2022)
    PANGAEA
    Details
    Publication Date: 2023-04-27
    Description: Glacier surface velocities are measured on four neighbouring glaciers in the Ötztal Alps (Austria). Measurements of the annual horizontal flow velocity (Δs/a [m/a]) on Hintereisferner (HEF) were started in 1885 at stone lines (cross-profiles). Annual values for the stone lines are given as mean values from the stones at the cross-profiles. On Kesselwandferner, the annual horizontal (Δs/a [m/a]) and vertical velocities (Δv/a [m/a], positive upwards and negative downwards) are measured at ablation and accumulation stakes since 1965. On Taschachferner (TSF) and Gepatschferner (GPF), the records of annual and subseasonal horizontal flow velocities at ablation stakes were started in 2009. This data series is a continuation of: doi:10.1594/PANGAEA.896741
    Keywords: DATE/TIME; Glacial flow velocity, horizontal, annual; HEF; Hintereisferner; Hintereisferner, Ötztaler Alpen, Austria; LATITUDE; Line; LONGITUDE; UTM Easting, Universal Transverse Mercator; UTM Northing, Universal Transverse Mercator; Years
    Type: Dataset
    Format: text/tab-separated-values, 7 data points
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  • 61
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    Glacier surface velocities of Gepatschferner and Taschachferner, 2020/2021 (2022)
    PANGAEA
    Details
    Publication Date: 2023-04-27
    Description: Glacier surface velocities are measured on four neighbouring glaciers in the Ötztal Alps (Austria). Measurements of the annual horizontal flow velocity (Δs/a [m/a]) on Hintereisferner (HEF) were started in 1885 at stone lines (cross-profiles). Annual values for the stone lines are given as mean values from the stones at the cross-profiles. On Kesselwandferner, the annual horizontal (Δs/a [m/a]) and vertical velocities (Δv/a [m/a], positive upwards and negative downwards) are measured at ablation and accumulation stakes since 1965. On Taschachferner (TSF) and Gepatschferner (GPF), the records of annual and subseasonal horizontal flow velocities at ablation stakes were started in 2009. This data series is a continuation of: doi:10.1594/PANGAEA.896741
    Keywords: Austria; DATE/TIME; Event label; Gepatschferner; GLAC; Glacial flow velocity, horizontal, annual; LATITUDE; LONGITUDE; Number; Sampling/measurements on glacier; Taschachferner_E; Tirol, Austria; UTM Easting, Universal Transverse Mercator; UTM Northing, Universal Transverse Mercator; Years
    Type: Dataset
    Format: text/tab-separated-values, 70 data points
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  • 62
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    Sedimentary hydrodynamic processes under low-oxygen conditions: implications for past, present, and future oceans (2022)
    PANGAEA
    Details
    Publication Date: 2023-05-12
    Description: The Benguela Upwelling System is situated between 18°S and 26°S and is characterized by seasonally variable upwelling cells, elevated surface primary and secondary productivity, high sedimentary organic carbon concentrations (up to 20 %), and locally stable bottom water anoxia. Between 2014 and 2019, surface sediment cores were collected, subsampled, and analysed using geochemical and sedimentological tools. For the grain size fractionation, a combined sieve-centrifuge-filtering approach was developed to create seven fractions (〉 250, 250-200, 200-125, 125-63, 63-10, 10-2, ≤ 2.0 µm) and the density fractionation followed a centrifugation sequence to yield four fractions using sodium polytungstate (NaW) heavy liquid (≤ 1.6, 1.6-2.0, 2.0-2.5, 〉 2.5 g cm-3) (cf., Wakeham et al., 2009, https://doi.org/10.1016/j.marchem.2009.08.005). The bulk surface sediment and each fraction were analysed for TOC (%), radiocarbon age (F14C), and surface area (m2 g-1). Together with literature data, these samples are used to test and illustrate a novel hypothesis on sediment hydrodynamic properties in oxygen-depleted environments.
    Keywords: Benguela Upwelling System; density fractionation; grain size analysis; radiocarbon isotope (Fm); SLOB; Total Organic Carbon
    Type: Dataset
    Format: application/zip, 16 datasets
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  • 63
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    In situ Be-10, Al-26, and Ne-21 measurements of detrital river sediment in central Cuba (2022)
    PANGAEA
    Details
    Publication Date: 2023-05-12
    Description: We measured the concentration of in situ Be-10 and Al-26 in quartz separated from medium (250-850 micron) detrital river sand collected from 22 watersheds in central Cuba. Samples were collected in summer 2018 from watersheds ranging in size from 2 to 730 km². Be and Al extraction was completed at the University of Vermont Community Cosmogenic Facility and accelerator mass spectrometer measurements were made at PRIME Lab. Many of the sampled basins are low slope (average 〈 1 degree) and underlain by marine rocks. Samples are from the same locations as published chemical weathering rates inferred from dissolved loads in river water (Bierman et al. 2020).
    Keywords: Caribbean; Cosmogenic nuclide; cosmogenic radionuclides; erosion; erosion rate; Tropical; tropics
    Type: Dataset
    Format: application/zip, 12 datasets
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  • 64
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    Biological soil quality of the DOK long-term field experiment from spring samples 2019 (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-27
    Keywords: Alkaline Phophatase activity in p-nitrophenol per soil dry mass; alkaline phosphatase activity; Carbon/Nitrogen ratio; composted manure; Depth, bottom/max; DEPTH, soil; Depth, top/min; Elemental analyser; farming systems; Linear regression; long−term field experiment; Metabolic quotient per soil microbial biomass-carbon; Microbial biomass as carbon per soil dry mass; Microbial biomass as nitrogen per soil dry mass; Nitrogen, soil; Organic carbon, soil; organic matter input quality; pH; Plot; Principal component 1; Principal component 2; see further details; soil basal respiration; Soil basal respiration per soil dry mass; soil microbial biomass; Soil microbial biomass per soil organic carbon; soil organic carbon; Soil organic carbon, flux; SOILS; Soil sample; Switzerland; Therwil_DOK_trial
    Type: Dataset
    Format: text/tab-separated-values, 1536 data points
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  • 65
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    Biannual soil organic carbon of the DOK long-term field experiment (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-27
    Keywords: alkaline phosphatase activity; composted manure; Depth, bottom/max; DEPTH, soil; Depth, top/min; farming systems; long−term field experiment; Organic carbon, soil; organic matter input quality; Plot; see further details; soil basal respiration; soil microbial biomass; soil organic carbon; SOILS; Soil sample; Switzerland; Therwil_DOK_trial
    Type: Dataset
    Format: text/tab-separated-values, 2165 data points
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  • 66
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    Water chemistry of a Lagrangian sampling of Inland Elbe 2020 (MOSES Hydrological Extremes) (2022)
    PANGAEA
    Details
    Publication Date: 2023-04-22
    Description: The MOSES test campaign ELBE 2020 includes activities along the middle reaches to the tidal Elbe river and the German Bight. The inland Elbe river part of the campaign covers physico-chemical parameters from various sites along the Elbe River and its main tributaries. The sampling was conducted in a Langrangian way according to travel time, particularly between Aug 04 to Aug 12. Discharge in Magdeburg was 241 m³/s which is about mean low discharge (231 m³/s). Physico-chemical parameters as well as nutrients were sampled using the research vessel ALBIS from Schmilka (km 4, German border) to Geestacht (km 585, close to Hamburg). The targets were water quality measurement by multiparameter probes and chemical analyses, the detection of phytoplankton growth and decrease of dissolved nutrients along the river.
    Keywords: 2020ELBE_el00400l; 2020ELBE_el00400m; 2020ELBE_el00400r; 2020ELBE_el05450l; 2020ELBE_el05450m; 2020ELBE_el05450r; 2020ELBE_el08800l; 2020ELBE_el08800m; 2020ELBE_el08800r; 2020ELBE_el10700l; 2020ELBE_el10700m; 2020ELBE_el10700r; 2020ELBE_el15450l; 2020ELBE_el15450m; 2020ELBE_el15450r; 2020ELBE_el17260l-MST; 2020ELBE_el17260m; 2020ELBE_el17260r; 2020ELBE_el19900muend; 2020ELBE_el25800l; 2020ELBE_el25800m; 2020ELBE_el25800r; 2020ELBE_el25900muend; 2020ELBE_el28700l; 2020ELBE_el28700m; 2020ELBE_el28700r; 2020ELBE_el29070muend; 2020ELBE_el31800l; 2020ELBE_el31800m; 2020ELBE_el31800r; 2020ELBE_el32653l; 2020ELBE_el32653m; 2020ELBE_el32653r; 2020ELBE_el35100l; 2020ELBE_el35100m; 2020ELBE_el35100r; 2020ELBE_el38800l; 2020ELBE_el38800m; 2020ELBE_el38800r; 2020ELBE_el42225l; 2020ELBE_el42225m; 2020ELBE_el42225r; 2020ELBE_el43800muend; 2020ELBE_el45490l; 2020ELBE_el45490m; 2020ELBE_el45490r; 2020ELBE_el47500l; 2020ELBE_el47500m; 2020ELBE_el47500r; 2020ELBE_el50600l; 2020ELBE_el50600m; 2020ELBE_el50600r; 2020ELBE_el53600l; 2020ELBE_el53600m; 2020ELBE_el53600r; 2020ELBE_el57040l; 2020ELBE_el57040m; 2020ELBE_el57040r; 2020ELBE_el58550l; 2020ELBE_el58550m; 2020ELBE_el58550r; Ammonium-nitrogen; Area/locality; Breitenhagen links; Breitenhagen mitte; Breitenhagen rechts; Carbon, inorganic, dissolved; Carbon, inorganic, total; Carbon, organic, dissolved; Carbon, organic, particulate; Carbon analyzer; CFA; Chlorophyll a; Conductivity, electrical; Continuous Flow Analysis; Date/Time of event; DIMA-IC; Distance; Doemitz, li; Doemitz, re; Dommitzsch Mitte; Dommitzsch rechts; drought; Elbe; Elbe Dresden CarolaBruecke links; Elbe Dresden CarolaBruecke Mitte; Elbe Dresden CarolaBruecke rechts; Elbe km 388.0 Tangermuende links; Elbe km 388.0 Tangermuende rechts; Elbe km 506, Doemitz, mitte; Elbe MD links, km 318, MD Westerhuesen; Elbe Riesa Bruecke links; Elbe Riesa Bruecke Mitte; Elbe Riesa Bruecke rechts; Elbe Roެau mitte, km 258; Elbe Torgau Bruecke links; Elbe Torgau Bruecke Mitte; Elbe Torgau Bruecke rechts; Event label; Faehre Werben Elbe km 422,25 links; Faehre Werben Elbe km 422,25 Mitte; Faehre Werben Elbe km 422,25 rechts; Geestacht links; Geestacht rechts; Geesthacht; Havel Muendung; HPLCO; hydrological extremes; Lauenburg links; Lauenburg Mitte; Lauenburg rechts; Magdeburg mitte; Magdeburg Neue StromBruecke links; Magdeburg Neue StromBruecke Mitte; Magdeburg Neue StromBruecke rechts; Magdeburg rechts km 318; Messstation Dommitzsch, links Strom-km 172,6; Modular Observation Solutions for Earth Systems; MOSES; Mulde Muendung; MULT; Multiple investigations; Neu Darchau links; Neu Darchau mitte; Neu Darchau rechts; Nitrate-nitrogen; Nitrite-nitrogen; Nitrogen, organic, particulate; nutrients; Oxygen, dissolved; pH; Phosphorus, reactive soluble; Phosphorus, total; Photometry; Phytoplankton; Pigments analysis by HPLC (UV and FLD); River Elbe; Rogaetz links; Rogaetz mitte; Rogaetz rechts; Roެau links; Roެau rechts; AutoBruecke - Hochwasserprobenahme; Saale Muendung Elbekilometer 290,7; Schmilka links; Schmilka mitte; Schmilka rechts; Schnackenburg links; Schnackenburg mitte; Schnackenburg rechts; Schwarze Elster Muendung; Silicon; Tangermuende, Mitte km 388,0; Temperature, water; Turbidity (Nephelometric turbidity unit); Wittenberge, links; Wittenberge, mitte; Wittenberge, rechts; YSI 610 Handheld Multiparameter Instrument; Zehren links; Zehren mitte; Zehren rechts
    Type: Dataset
    Format: text/tab-separated-values, 1339 data points
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  • 67
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    Soil organic carbon over 42 years of organic and conventional farming and biological soil quality in year 42 of the DOK long-term field experiment (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-27
    Description: The DOK trial in Therwil (CH), compares bioorganic (BIOORG), biodynamic (BIODYN) and integrated (CONFYM) farming systems at two farmyard manure intensities corresponding to 0.7 and 1.4 livestock units per hectare with a purely mineral fertilized system (CONMIN) and an unfertilized control (NOFERT) since 1978. The treatments differ in plant protection and receive farming system specific organic matter inputs differing in rate and quality. SOC contents increased in BIODYN 1.4, less in BIOORG 1.4, and were stable in CONFYM 1.4. Enhanced biological soil quality under organic and particularly biodynamic management highlights the immanent relation between soil biology and SOC changes. Systems fertilized with manure of 0.7 livestock units and CONMIN lost SOC, but loss was highest in NOFERT. The impact on soil quality was only detectable after 20 years of continuous management. We conclude that recycling of the manure from 1.4 livestock units per hectare allows to maintain SOC levels and that the investment in producing manure compost from the same number of livestock is needed to enhance SOC levels and improve biological soil quality. The data come from 96 field plots (8 farming systems, 3 subplots with crops from a temporally shifted 7-year crop rotation, 4 replicates). Soil organic carbon was analysed in archived samples from 0-20 cm every second year between 1982 and 2018. Soil quality as assessed by pH, SOC, Ntot, soil microbial biomass C and N, soil basal respiration and alkaline phosphatase activity was measured in the 42nd year of the trial in 0-20 cm samples taken in spring 2019.
    Keywords: alkaline phosphatase activity; composted manure; farming systems; long−term field experiment; organic matter input quality; soil basal respiration; soil microbial biomass; soil organic carbon
    Type: Dataset
    Format: application/zip, 3 datasets
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  • 68
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    Radiolarian based subsurface temperatures in sediment core MD11-3353 (360kyrs record) (2022)
    PANGAEA
    Details
    Publication Date: 2023-03-30
    Description: In the Southern Ocean (SO), climate-driven latitudinal migrations of the Antarctic Circumpolar Current (ACC) frontal system impact large-scale ocean circulation and primary productivity. Latitudinal migrations may not have been identical in all SO basins due to the presence or absence of regional bathymetric obstacles. The Antarctic Polar Front (APF), defined by the 3–5 ◦C surface temperature range and the 2 ◦C subsurface temperature minimum at 200 m, is particularly important for nutrient redistribution and biodiversity, influencing the soft tissue carbon pump in the modern SO. However, previous assessments of its migrations in the past, mostly based on a single metric or indirect observations, were not always robust. Here, we combine a new proxy for subsurface temperature (sub-ST) reconstructions based on radiolarian assemblages (sub-STrad), with relative abundance variations of key radiolarian species, and sea-surface temperatures (SST) reconstructions, based on diatom assemblages (SSTdiat), to refine estimations of the past mean APF locations in the Kerguelen Plateau (KP) region. Data from three sediment cores on a south (55◦S) to north (47◦S) transect are used to trace the mean APF locations for three climate states, glacials, peak-interglacials and mild-interglacials. Our results suggest that the APF, presently located south of Kerguelen Islands, shifted by 6–7 degrees of latitude and was located north of the KP during all glacial periods of the last 360 kyrs. This suggests that the ACC major flow interacted less with the bottom topography relative to its modern counterpart, probably resulting in less mixing of the water column over and in the lee of the KP. We propose that this process participated in the isolation of Antarctic surface waters (AASW) and in the reduction of macro-nutrient supply, thus resulting in lower regional productivity. During the warmer-than-present early interglacial periods, the APF probably migrated south by ~5 degrees of latitude relative to its modern position, to pass through the Fawn Trough. Contrary to glacial periods, the APF was forced in an “S” shape while the ACC main flow was constrained against the northern tip of the KP. In this configuration, a stronger interaction between the ACC, its associated fronts, and topography is expected, resulting in more mixing of the water column over and east of the KP. Congruently, siliceous productivity was probably restrained to latitudes south of the Fawn Trough.
    Keywords: AGE; Calculated from radiolarians; CALYPSO2; Calypso Corer II; DEPTH, sediment/rock; INDIEN SUD 2; Kerguelen; Marion Dufresne (1995); MD11-3353; MD185; Radiolarian; Sea sub-surface temperature; subsurface temperatures; transfer function
    Type: Dataset
    Format: text/tab-separated-values, 470 data points
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  • 69
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    Wet chemical surface ozone measurements during Walther Herwig transit cruise to Antarctica in 1977 (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Description: This cuise was the transit to the 2. German Antarctic Expedition 1977/1978 with Walter Herwig II.
    Keywords: CT; DATE/TIME; Electrochemical concentration cell (ECC) (Atmannspacher 1971); LATITUDE; LONGITUDE; Ozone; Underway cruise track measurements; Walther Herwig II; WH030-transit; WH030-transit-track
    Type: Dataset
    Format: text/tab-separated-values, 500 data points
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  • 70
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    Wet chemical surface ozone measurements during Walter Herwig cruises in 1980 and 1981 (WH044 and transits) (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Description: Building on the experiences and results of the previous two Antarctic voyages with FFS "Walther Herwig" 1975/76 and 1977/78, in the spring of 1981 the third voyage of this ship to the Southern Ocean took place. The transit to and from Antarctica are included here as well. After leaving Montevideo on January 20, 1981 FFS "Walther Herwig" took part in the international FIBEX program.
    Keywords: CT; DATE/TIME; Electrochemical concentration cell (ECC) (Atmannspacher 1971); LATITUDE; LONGITUDE; Ozone; Underway cruise track measurements; Walther Herwig II; WH044; WH044-track; WH044-transit-start; WH89, FIBEX, 2 legs
    Type: Dataset
    Format: text/tab-separated-values, 744 data points
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  • 71
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    Wet chemical surface ozone measurements during Anton Dohrn cruise 104 in 1980 (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Description: The voyage of the fishing research vessel Anton Dohrn was mainly in an east-west direction. The changes in the mixing ratio of ozone are mainly due to meteorological processes. The device worked reliably. The supervisor was U. Kaminski (DWD).
    Keywords: AD104A; AD104A-track; AD104B; AD104B-track; Anton Dohrn; CT; DATE/TIME; Electrochemical concentration cell (ECC) (Atmannspacher 1971); Event label; LATITUDE; LONGITUDE; Ozone; Underway cruise track measurements
    Type: Dataset
    Format: text/tab-separated-values, 374 data points
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  • 72
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    Wet chemical surface ozone measurements during Walter Herwig cruises WH082 and WH085 in 1987 (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Description: This dataset contains the surface ozone measurements conducted during Walther Herwig cruises WH082 and WH085 in 1987. The ozone mixing ratios during WH082 showed strong variations, which can be attributed to meteorological features, most likely stratospheric intrusions. During WH085 there were relatively little variations.
    Keywords: CT; DATE/TIME; Electrochemical concentration cell (ECC) (Atmannspacher 1971); Event label; LATITUDE; LONGITUDE; Ozone; Underway cruise track measurements; Walther Herwig II; WH082; WH082-track; WH085A; WH085A-track; WH085B; WH085B-track; WH130A; WH130B
    Type: Dataset
    Format: text/tab-separated-values, 2255 data points
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  • 73
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    Processed PIRATA current meter mooring (KPO_0560) (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Description: Processed data from 8 instruments deployed in a current meter mooring in the equatorial Atlantic. Instrument 1 was an ADCP and instruments 2 to 8 vector averaging current meters (VACM).
    Keywords: Current velocity, east-west; Current velocity, north-south; DATE/TIME; DEPTH, water; Flag; KPO_0560; MOOR; Mooring; Pressure, water; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 410408 data points
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  • 74
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    Nitrogen turnover in the Ems estuary 2014 (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Description: We measured dissolved and particular inorganic nitrogen concentrations in the Ems estuary (Germany). The sampling campaign was conducted on three days in August 2014 (05.08.2014– 07.08.2014) on board of the German research vessel Ludwig Prandtl. Water samples were taken regularly along the salinity gradient of the estuary irrespective of the state of the tide 2 m below the surface. For stations S276 to S280, only the Ferrybox measurements were taken 2 m below the surface. The water samples were taken by a Niskin-Bottle 2 m above the bottom. The water samples were filtered immediately and stored frozen for analysis of dissolved inorganic nutrient and nitrate stable isotope composition. Filtered samples for suspended particular matter (SPM) concentration, particular carbon and nitrogen content of SPM and nitrogen stable isotope composition of SPM were dried at 50°C and also stored frozen. An onboard membrane pump provided the on-line in situ FerryBox system with water from 2 m below the surface. It continuously measured oxygen, salinity, and temperature during our cruise. More information can be found in Sanders and Laanbroek (2018). The aims of the cruise were 1) to study spatial segregation of nitrogen turnover, 2) to identify the dominant nitrogen turnover processes in the water column and 3) to investigate controlling factors of the nitrogen cycle along the Ems estuary.
    Keywords: Carbon, total, particulate; Carbon/Nitrogen ratio; Continuous flow analyser (AA3, Seal Analytics, Germany); Date/Time of event; DEPTH, water; Elemental analyser; Element analyser, Carlo Erba NA2500, coupled with an isotope ratio mass spectrometerFinnigan MAT 252; Ems estuary; Event label; Helmholtz-Zentrum Hereon; Hereon; Latitude of event; Longitude of event; LP201408; LP201408_S274; LP201408_S275; LP201408_S276; LP201408_S277; LP201408_S278; LP201408_S279; LP201408_S280; LP201408_S281; LP201408_S282; LP201408_S283; LP201408_S284; LP201408_S285; LP201408_S286; LP201408_S287; LP201408_S288; LP201408_S289; LP201408_S290; Ludwig Prandtl; Measurement as N2O using isotope-ratio mass spectrometry (IRMS). Bacterial conversion to N2O, so called Denitrifier-method (according to Sigman et al. 2001; Casciotti et al. 2002). Average of the measurement of 2 replicates; Nitrogen, particulate; Nitrogen in ammonium; Nitrogen in nitrate; Nitrogen in nitrite; On-line-in-situ FerryBox-System (Pertersen et al. 2001); Oxygen; Salinity; Sample ID; Sample method; Station label; Suspended particulate matter; Temperature, water; Water sample; WS; δ15N; δ15N, nitrate; δ18O, nitrate
    Type: Dataset
    Format: text/tab-separated-values, 366 data points
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  • 75
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    Wet chemical surface ozone measurements during Walther Herwig cruise WH068 in 1985 (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Description: This dataset contains the ozone measurements conducted during Walther Herwig cruise WH068 in January-April 1985 and includes the transits to and from this cruise. The ozone minimum at 8°S on the return trip is striking. Here, under conditions of low vertical exchange and high solar radiation, ozone may have been decomposed by photolysis
    Keywords: CT; DATE/TIME; Electrochemical concentration cell (ECC) (Atmannspacher 1971); Event label; LATITUDE; LONGITUDE; Ozone; Underway cruise track measurements; Walther Herwig II; WH068/1; WH068/1-track; WH068/2; WH068/2-track; WH113/1, SIBEX-II; WH113/2, SIBEX-II
    Type: Dataset
    Format: text/tab-separated-values, 2850 data points
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  • 76
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    Physical oceanography from mooring KPO_0727 (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Description: Current velocity data from an equatorial mooring in the Atlantic( 0°N, 35°W ). The aim was to study the equatorial deep jets. Included is data from 4 rotor current meters (Aanderaa RCM 8). These instruments were incorporated in WHOI mooring 938 .
    Keywords: Current velocity, east-west; Current velocity, north-south; DATE/TIME; DEPTH, water; Flag; KPO_0727; MOOR; Mooring; Pressure, water; Sample code/label; Temperature, water
    Type: Dataset
    Format: text/tab-separated-values, 292520 data points
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  • 77
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    Processed TACE current meter mooring (KPO_0562) (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Description: Processed and merged (filtered, subsampled and interpolated) data from two ADCPs in a current meter mooring in the equatorial Atlantic.
    Keywords: Current velocity, east-west; Current velocity, north-south; DATE/TIME; DEPTH, water; Flag; KPO_0562; MOOR; Mooring; Pressure, water; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 160048 data points
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  • 78
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    Meteorology data collected at Punta Arenas Airport in 2019 and 2020 (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Description: Dataset contains measurements of meteorological parameters including temperature, wind direction, wind speed and relative humidity, cloud coverage, and cloud height. Data were collected at the Punta Arenas Airport (53.01 S, 70.85 W) from SYNOP (surface synoptic observations).
    Keywords: Cloud base height; Cloud coverage; DATE/TIME; Humidity, relative; PAC_2019_2020_Met; Punta Arenas, Chile; SYNOP (surface synoptic observations); Temperature, air; Wind direction, true; Wind speed
    Type: Dataset
    Format: text/tab-separated-values, 74712 data points
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  • 79
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    Surface site density of INP (ns) as a function of temperature, based on samples taken close to Punta Arena in 2019 and 2020 (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Description: Dataset contains the surface site density of INP (ns) as a function of temperature.
    Keywords: Ice active surface site density; measured using PM10 filters; PAC_2019_2020_INP; Punta Arenas, Chile; Temperature, technical
    Type: Dataset
    Format: text/tab-separated-values, 6378 data points
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  • 80
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    Surface site density of INP (ns) after heating as a function of temperature, based on samples taken close to Punta Arena in 2019 and 2020 (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Description: Dataset contains the surface site density of INP (ns) as a function of temperature. Aforehand, the samples have been heated at 95 °C for 1 hour.
    Keywords: Ice active surface site density; measured using PM10 filters; PAC_2019_2020_INP; Punta Arenas, Chile; Temperature, technical
    Type: Dataset
    Format: text/tab-separated-values, 3224 data points
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  • 81
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    Total organic carbon profile of the well-log ES-1 drilled at the Espírito Santo basin (western South Atlantic) for the Late Cretaceous (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Description: Rock samples for TOC were dried at 40 ºC and then grounded to a fine powder with subsequent carbonate dissolution with HCl and organic-carbon combustion using a LECO WR 112 Carbon Analyser.
    Keywords: Carbon, organic, total; Carbon analyser, LECO; Depth, well; Espirito_Santo_Basin; Late Cretaceous; Milankovitch forcing; orbital tuning; South Atlantic; western South Atlantic
    Type: Dataset
    Format: text/tab-separated-values, 1026 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 82
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    Unknown
    Post infra-red, infra-red stimulated luminescence (PostIR-IRSL) dates of fluvial and marine Terraces along the lower Santa Ynez River, California (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Keywords: AGE; Age, error; Dose rate; Equivalent dose; Equivalent dose, uncertainty; Estimated; Event label; Ft3; Ft5_footwall; Ft5_hanging_wall; Ft7; Gamma spectrometry; Gamma spectroscopy; Metal pipe; Mt1; Mt4; Number; PostIR-IRSL protocol adopted from Buylaert et al. (2009) and Rhodes (2015); Potassium; Potassium, error; Sample comment; Sample ID; Santa Ynez River, California, USA; Thorium; Thorium, error; Uranium; Uranium, error
    Type: Dataset
    Format: text/tab-separated-values, 186 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 83
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    Unknown
    In-situ mineral, bulk sulfide-sulfate, S- and Pb isotope, and whole rock major and chalcophile element data from the submarine Niuatahi hydrothermal system, Lau basin, Tonga rear-arc (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Description: The samples used in this study were recovered from active hydrothermal venting at the seafloor at the Niuatahi caldera, Lau basin, Tonga rear-arc, observed during research cruise SO263. The dataset was collected in order to define the magmatic and hydrothermal processes leading to spatially selective trace element enrichment within submarine caldera-hosted black smoker systems. The in-situ data was measured by electron probe micro analyzer and laser ablation inductively coupled mass spectrometry. The sulfur- and Pb isotope composition of hydrothermal sulfide separates were analysed by a Flash EA IsoLink elemental analyzer interfaced to a ThermoScientific Delta V Advantage isotope ratio mass spectrometer and a a Thermo-Fisher Neptune Plus multicollector inductively coupled mass spectrometer, respectively. Bulk sulfide-sulfate composition was determined by an Agilent 735 inductively coupled mass spectrometer, inductively coupled optical emission spectroscopy and instrumental neutron activation analysis. The whole rock/glass major and chalcophile element contents were measured by a Spectro XEPOS He-x-ray fluorescences spectrometer, a JEOL JXA-8200 Superprobe electron probe micro analyzer, a Thermo Fisher Scientific X-Series 2 quadrupole inductively coupled mass spectrometer, and a PSA Millenium Excalibur 10.055 continuous flow hydride-generation atomic fluorescence spectrometer. All analyses except the bulk sulfide-sulfate and S isotope measurements were carried out at the GeoZentrum Nordbayern, Friedrich-Alexander University, Germany, which were measured at Activation Labs in Ontario, Canada, and the Westfälische Wilhelms-University, Münster, Germany, respectively. The dataset gives a detailed insight into the magmatic and hydrothermal evolution and processes controlling seafloor black-smoker-style mineralization.
    Keywords: hydrothermal deep sea vents; in-situ mineral geochemistry; Pb isotopes; Sulfur isotopes
    Type: Dataset
    Format: application/zip, 8 datasets
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    DATA PANGAEA
  • 84
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    Unknown
    Freshwater and sediment data of the entire Ems river and its tributaries sampled during summer 2016 (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Description: In order to understand and map the complex mass transport pathways and possible transformation processes of contaminants in coastal regions such as the German Bight, the main contributors must be identified and evaluated. In this context, rivers represent a major input source. In the framework of a river campaign from 20.06.16 till 25.06.2016, sediment and freshwater samples of the Ems and its tributaries were taken to determine their elemental and isotopic fingerprint and to investigate possible inputs into the German Bight.
    Keywords: Helmholtz-Zentrum Hereon; Hereon
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Expected Availability
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  • 85
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    Freshwater and sediment data of the entire Weser river and its tributaries sampled during summer 2016 (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Description: A key task in understanding and mapping the complex mass transport pathways and potential transformation processes of contaminants in coastal regions such as the German Bight is to determine and evaluate the most significant contribution sources into coastal areas. Rivers represent one key input source within this context. As part of a river campaign in June 2016, sediment and freshwater samples were taken from the Weser river and its tributaries to identify their elemental and isotopic fingerprint and to investigate potential inputs to the German Bight.
    Keywords: Helmholtz-Zentrum Hereon; Hereon
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 86
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    Unknown
    Late Cretaceous cyclostratigraphy for the subtropical western South Atlantic, Espírito Santo Basin (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Description: Well-log data was acquired in a Late Cretaceous section of the Espírito Santo basin (western South Atlantic). Cyclostratigraphic techniques were used to explore the eventual pacing of orbital cycles in the deposition of sequences. The frequency ratio method was used to interpret the orbital cycles and based on this a long-eccentricity signal was interpreted and extracted to create a floating time-scale. Using a seismic horizon associated Cretaceous-Paleogene transition, a strong shift in the natural gamma-ray data was anchored to an age of 66.0 Ma producing an anchored astronomical time-scale placed between late Albian and early Ypresian.
    Keywords: Late Cretaceous; Milankovitch forcing; orbital tuning; South Atlantic
    Type: Dataset
    Format: application/zip, 4 datasets
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 87
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    Processed TACE current meter mooring (KPO_0563) (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Description: Processed and merged (filtered, subsampled and interpolated) data from two ADCPs in a current meter mooring in the equatorial Atlantic.
    Keywords: Current velocity, east-west; Current velocity, north-south; DATE/TIME; DEPTH, water; Flag; KPO_0563; MOOR; Mooring; Pressure, water; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 139552 data points
    Location Call Number Expected Availability
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  • 88
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    Unknown
    Processed PIRATA current meter mooring (KPO_0561) (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Description: Processed data from 8 instruments deployed in a current meter mooring in the equatorial Atlantic. Instrument 1 was an ADCP and instruments 2 to 8 vector averaging current meters (VACM).
    Keywords: Current velocity, east-west; Current velocity, north-south; DATE/TIME; DEPTH, water; Flag; KPO_0561; MOOR; Mooring; Pressure, water; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 225008 data points
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  • 89
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    Wet chemical surface ozone measurements during YMER cruise Y80 in June-August 1980 (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Description: To mark the centenary of Swedish polar explorer Nordenskjöld's research trip, Sweden hosted a new research trip to the polar region between Franz Josef Land, Svalbard and Greenland. The icebreaker Ymer, which otherwise operates in the Baltic Sea, was used for this purpose. Several containers were set up on the prow in front of the bridge. The ozone device was installed in an air chemistry laboratory container on the port side, from where the intake line was routed to the railing mounted above. The voyage was mostly in the pack-ice belt and the crew was instructed to keep the ship bow-to-wind whenever possible so that air-chemical measurements with long sampling times remained undisturbed. The device was stable. On the return trip to Stockholm, the wind was mostly unfavorable, so that south of 70°N hardly any usable data could be obtained.
    Keywords: CT; DATE/TIME; Electrochemical concentration cell (ECC) (Atmannspacher 1971); LATITUDE; LONGITUDE; Ozone; Underway cruise track measurements; Y80-track; Ymer; YMER-80
    Type: Dataset
    Format: text/tab-separated-values, 1978 data points
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  • 90
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    Wet chemical surface ozone measurements during Walther Herwig cruise WH030 in Antarctica and cruise WH031 in 1978 (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Description: The Antarctic Expedition 1977/78 of the Federal Republic of Germany was carried out by the Bundesforschungsanstalt für Fischerei in Hamburg and the Institut für Meereskunde, Universität Kiel with the vessel Walter Herwig (WH030).
    Keywords: CT; DATE/TIME; Electrochemical concentration cell (ECC) (Atmannspacher 1971); LATITUDE; LONGITUDE; Ozone; Underway cruise track measurements; Walther Herwig II; WH030B; WH030B-track; WH031; WH031-start; WH75/2; WH76
    Type: Dataset
    Format: text/tab-separated-values, 1429 data points
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  • 91
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    Temperature of the ground, measured near surface, at Etna volcano (N-E Rift), Italy, hourly recorded in situ from 2009 to 2012 (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Description: The dataset consists of temperature measurements of the porous ground (loose volcanic breccia). The temperature data were acquired for 3 years, from 30 September 2009 to 14 September 2012. Name of the station BTL, site location Latitude: 37.780675° Longitude: 15.008787°. BTL station was located at a distance of about 120 m (meters) from the fumarole vents that developed at an altitude of about 2470 m a.s.l. (above sea level) on Mt. Etna's North-East Rift. Approximate location of the fumarole vents: 33S 500740E; 4181593N. The volcanic feature that suggested the label for the monitoring station (BTL) is the neighbor “Bottoniera Line of craters”, on the northern flank of Etna. The temperature data have been recorded on a vertical line of four PT1000 sensors (temperature range of –40 °C to 150 °C, accuracy ±0.2 °C, resolution ±0.1 °C); the distance between each sensor was 0.15 m, thus the total depth of the monitored profile was 0.60 meter. A data-logger (model EBRO EBI 2T-313 four-channel) protected by a watertight case, acquired and stored data every hour, for about three years. The stored data file was downloaded once, at the end of the monitoring period, and none touched the probes in the monitored site during the monitoring period of time. The uploaded file includes all the raw measurements for the temperature profiles showing a linear correlation (R2) higher than 0.990 because these have been used by the author for further evaluations of the heat flux from the ground, possibly related to the volcanic activity (Diliberto et al., 2018 (doi:10.1007/s00445-018-1198-0); Diliberto & Gennaro, 2022(doi:10.3390/app12094471)). The profiles of temperature showing a not ideal linear fitting (R2 lower than 0.990) have been filtered out from the dataset.
    Keywords: BTL_Monitoring-2009-2012; DATE/TIME; diffuse outgassing; Monitoring station; MONS; Mount Etna, Sicily, Italia; Pt-1000 temperature sensor; steam convection; Temperature, in rock/sediment; thermal monitoring; transition periods; volcanic activity
    Type: Dataset
    Format: text/tab-separated-values, 65196 data points
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  • 92
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    Data of the Garchinger Heide 1984-1993-2018: processed data species (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Keywords: Bavaria, Germany; BM; Botanical mapping; Botany; Ecology & Environment; Garchinger_Heide_X03M01; Garchinger_Heide_X03M02; Garchinger_Heide_X03M03; Garchinger_Heide_X03M04; Garchinger_Heide_X03M05; Garchinger_Heide_X03M06; Garchinger_Heide_X03M07; Garchinger_Heide_X03M08; Garchinger_Heide_X03M09; Garchinger_Heide_X03M10; Garchinger_Heide_X03M11; Garchinger_Heide_X03M12; Garchinger_Heide_X03M13; Garchinger_Heide_X03M14; Garchinger_Heide_X03M15; Garchinger_Heide_X03M16; Garchinger_Heide_X03M17; Garchinger_Heide_X03M18; Garchinger_Heide_X03N01; Garchinger_Heide_X03N02; Garchinger_Heide_X03N03; Garchinger_Heide_X03N04; Garchinger_Heide_X03N05; Garchinger_Heide_X03N06; Garchinger_Heide_X03S01; Garchinger_Heide_X03S02; Garchinger_Heide_X03S03; Garchinger_Heide_X03S04; Garchinger_Heide_X03S05; Garchinger_Heide_X03S06; Garchinger_Heide_X03S07; Garchinger_Heide_X03S08; Garchinger_Heide_X03S09; Garchinger_Heide_X03S10; Garchinger_Heide_X03S11; Garchinger_Heide_X03S12; Garchinger_Heide_X03S13; Garchinger_Heide_X03S14; Garchinger_Heide_X03S15; Garchinger_Heide_X03S16; Garchinger_Heide_X03S17; Garchinger_Heide_X03S18; Garchinger_Heide_X18I1; Garchinger_Heide_X18I10; Garchinger_Heide_X18I11; Garchinger_Heide_X18I12; Garchinger_Heide_X18I13; Garchinger_Heide_X18I14; Garchinger_Heide_X18I15; Garchinger_Heide_X18I16; Garchinger_Heide_X18I17; Garchinger_Heide_X18I18; Garchinger_Heide_X18I19; Garchinger_Heide_X18I2; Garchinger_Heide_X18I20; Garchinger_Heide_X18I21; Garchinger_Heide_X18I22; Garchinger_Heide_X18I23; Garchinger_Heide_X18I24; Garchinger_Heide_X18I25; Garchinger_Heide_X18I26; Garchinger_Heide_X18I27; Garchinger_Heide_X18I3; Garchinger_Heide_X18I4; Garchinger_Heide_X18I5; Garchinger_Heide_X18I6; Garchinger_Heide_X18I7; Garchinger_Heide_X18I8; Garchinger_Heide_X18I9; Garchinger_Heide_X18II1; Garchinger_Heide_X18II14; Garchinger_Heide_X18II2; Garchinger_Heide_X18II3; Garchinger_Heide_X18II4; Garchinger_Heide_X18II5; Garchinger_Heide_X18II6; Garchinger_Heide_X18II7; Garchinger_Heide_X18II8; Garchinger_Heide_X18III1; Garchinger_Heide_X18III16; Garchinger_Heide_X18III2; Garchinger_Heide_X18III3; Garchinger_Heide_X18M01; Garchinger_Heide_X18M02; Garchinger_Heide_X18M03; Garchinger_Heide_X18M04; Garchinger_Heide_X18M05; Garchinger_Heide_X18M06; Garchinger_Heide_X18M07; Garchinger_Heide_X18M08; Garchinger_Heide_X18M09; Garchinger_Heide_X18M10; Garchinger_Heide_X18M11; Garchinger_Heide_X18M12; Garchinger_Heide_X18M13; Garchinger_Heide_X18M14; Garchinger_Heide_X18M15; Garchinger_Heide_X18M16; Garchinger_Heide_X18M17; Garchinger_Heide_X18M18; Garchinger_Heide_X18N01; Garchinger_Heide_X18N02; Garchinger_Heide_X18N03; Garchinger_Heide_X18N04; Garchinger_Heide_X18N05; Garchinger_Heide_X18N06; Garchinger_Heide_X18S01; Garchinger_Heide_X18S02; Garchinger_Heide_X18S03; Garchinger_Heide_X18S04; Garchinger_Heide_X18S05; Garchinger_Heide_X18S06; Garchinger_Heide_X18S07; Garchinger_Heide_X18S08; Garchinger_Heide_X18S09; Garchinger_Heide_X18S10; Garchinger_Heide_X18S11; Garchinger_Heide_X18S12; Garchinger_Heide_X18S13; Garchinger_Heide_X18S14; Garchinger_Heide_X18S15; Garchinger_Heide_X18S16; Garchinger_Heide_X18S17; Garchinger_Heide_X18S18; Garchinger_Heide_X73I1; Garchinger_Heide_X73I10; Garchinger_Heide_X73I11; Garchinger_Heide_X73I12; Garchinger_Heide_X73I13; Garchinger_Heide_X73I14; Garchinger_Heide_X73I15; Garchinger_Heide_X73I16; Garchinger_Heide_X73I17; Garchinger_Heide_X73I18; Garchinger_Heide_X73I19; Garchinger_Heide_X73I2; Garchinger_Heide_X73I20; Garchinger_Heide_X73I21; Garchinger_Heide_X73I22; Garchinger_Heide_X73I23; Garchinger_Heide_X73I24; Garchinger_Heide_X73I25; Garchinger_Heide_X73I26; Garchinger_Heide_X73I27; Garchinger_Heide_X73I3; Garchinger_Heide_X73I4; Garchinger_Heide_X73I5; Garchinger_Heide_X73I6; Garchinger_Heide_X73I7; Garchinger_Heide_X73I8; Garchinger_Heide_X73I9; Garchinger_Heide_X73II1; Garchinger_Heide_X73II14; Garchinger_Heide_X73II2; Garchinger_Heide_X73II3; Garchinger_Heide_X73II4; Garchinger_Heide_X73II5; Garchinger_Heide_X73II6; Garchinger_Heide_X73II7; Garchinger_Heide_X73II8; Garchinger_Heide_X73III1; Garchinger_Heide_X73III16; Garchinger_Heide_X73III2; Garchinger_Heide_X73III3; Garchinger_Heide_X84I1; Garchinger_Heide_X84I10; Garchinger_Heide_X84I11; Garchinger_Heide_X84I12; Garchinger_Heide_X84I13; Garchinger_Heide_X84I14; Garchinger_Heide_X84I15; Garchinger_Heide_X84I16; Garchinger_Heide_X84I17; Garchinger_Heide_X84I18; Garchinger_Heide_X84I19; Garchinger_Heide_X84I2; Garchinger_Heide_X84I20; Garchinger_Heide_X84I21; Garchinger_Heide_X84I22; Garchinger_Heide_X84I23; Garchinger_Heide_X84I24; Garchinger_Heide_X84I25; Garchinger_Heide_X84I26; Garchinger_Heide_X84I27; Garchinger_Heide_X84I3; Garchinger_Heide_X84I4; Garchinger_Heide_X84I5; Garchinger_Heide_X84I6; Garchinger_Heide_X84I7; Garchinger_Heide_X84I8; Garchinger_Heide_X84I9; Garchinger_Heide_X84II1; Garchinger_Heide_X84II14; Garchinger_Heide_X84II2; Garchinger_Heide_X84II3; Garchinger_Heide_X84II4; Garchinger_Heide_X84II5; Garchinger_Heide_X84II6; Garchinger_Heide_X84II7; Garchinger_Heide_X84II8; Garchinger_Heide_X84III1; Garchinger_Heide_X84III16; Garchinger_Heide_X84III2; Garchinger_Heide_X84III3; Garchinger_Heide_X93I1; Garchinger_Heide_X93I10; Garchinger_Heide_X93I11; Garchinger_Heide_X93I12; Garchinger_Heide_X93I13; Garchinger_Heide_X93I14; Garchinger_Heide_X93I15; Garchinger_Heide_X93I16; Garchinger_Heide_X93I17; Garchinger_Heide_X93I18; Garchinger_Heide_X93I19; Garchinger_Heide_X93I2; Garchinger_Heide_X93I20; Garchinger_Heide_X93I21; Garchinger_Heide_X93I22; Garchinger_Heide_X93I23; Garchinger_Heide_X93I24; Garchinger_Heide_X93I25; Garchinger_Heide_X93I26; Garchinger_Heide_X93I27; Garchinger_Heide_X93I3; Garchinger_Heide_X93I4; Garchinger_Heide_X93I5; Garchinger_Heide_X93I6; Garchinger_Heide_X93I7; Garchinger_Heide_X93I8; Garchinger_Heide_X93I9; Garchinger_Heide_X93II1; Garchinger_Heide_X93II14; Garchinger_Heide_X93II2; Garchinger_Heide_X93II3; Garchinger_Heide_X93II4; Garchinger_Heide_X93II5; Garchinger_Heide_X93II6; Garchinger_Heide_X93II7; Garchinger_Heide_X93II8; Garchinger_Heide_X93III1; Garchinger_Heide_X93III16; Garchinger_Heide_X93III2; Garchinger_Heide_X93III3; Plant species frequency: countings after Raunkiaer (1918); Ratio; Species
    Type: Dataset
    Format: text/tab-separated-values, 14036 data points
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  • 93
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    Current speed and acoustic backscatter data measured with a Bottom Boundary (BOBO) lander at the Gardar Drift in the North Atlantic (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-31
    Description: To monitor particle fluxes and near bottom hydrographic variability a modified version of the benthic Bottom Boundary (BOBO) lander was deployed at 57° 29.09 N, 27° 54.53 W on the Gardar Drift at a water depth of 2630 m. The deployment lasted from 16/09/2007 to 19/09/2008. Current velocity (S and W; cm/s) and acoustic backscatter (counts) were monitored at 15-min intervals using an upward looking RD Instruments 1200-kHz ADCP. These are the data from 6.65 m above the seafloor. Full details about the deployment can be found in Jonkers et al., 2010 (doi:10.1016/j.dsr.2010.05.005).
    Keywords: Acoustic Doppler Current Profiler (ADCP), Teledyne-RDI, 1200 kHz; Backscatter; Benthic bottom boundary lander; BOBO lander; contourite; current meter; Current velocity, east-west; Current velocity, north-south; DATE/TIME; Echo intensity, relative; Gardar_Drift
    Type: Dataset
    Format: text/tab-separated-values, 106053 data points
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  • 94
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    Estimated autumn precipitation anomalies in the Central Pyrenees between 1500 and 2002 CE, based on the varved sediments of Lake Montcortès (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-30
    Description: The Mediterranean region is expected to be highly impacted by global warming. To better understand and predict shifts in its current climate system, climate time series covering seasonal-to-century scale climate variability are needed. Here we provide a dataset containing a high-resolution reconstruction of autumn precipitation variability for the Central Pyrenees that spans the 1500-2002 CE period. This dataset is based on calcite sublayer width of varved sediments of lake Montcortès. Sediment cores MON12-3A-1G and MON12-2A-1G were retrieved from the deepest basin of the lake. Large-scale thin sections of sediment (120 mm X 35 mm) were extracted and calcite varve sublaminae counted and characterised. The age-depth model was built by combining varve counting and radiometric dating (210Pb, 137Cs and 14C). Long-term trend of the raw calcite width series was removed with a low pass filter by fitting a cubic smoothing spline of 67% of the series length. To find out how well the smoothed calcite series and instrumental regional precipitation match up with each other, correlation and cross correlation methods were applied. Highest correlation values were obtained with autumn precipitation anomalies for the entire calibration period (1900-2002) and for the two halve subperiods (1910–1956 and 1957–2002). The applied statistical tests yield highly significant results. The obtained regression model explained 15.5% (R2-value for the full calibration period) of the September to November precipitation variability. The obtained transfer function allowed inferring past autumn precipitation from calcium carbonate sublayer thickness at annual resolution. The reconstructed series (PPT-SON) provides the first estimations of regional autumn precipitation shifts in the Central Pyrenees since 1500 CE.
    Keywords: Age model, varve counting; Autumn precipitation; Calculated; Climate warming; Confidence interval lower limit; Confidence interval upper limit; DATE/TIME; Endogenic calcite; Little Ice Age; MON12-2A-1G; MON12-3A-1G; Precipitation anomaly, September-November; Precipitation reconstruction, transfer function-based approach; Ratio; SEDCO; Sediment corer; transfer function; Varve thickness, calcite sub-layer
    Type: Dataset
    Format: text/tab-separated-values, 4004 data points
    Location Call Number Expected Availability
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  • 95
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    Millennial variations of atmospheric CO2 during the early Holocene (11.7–7.4 ka), based on Siple Dome ice core (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-30
    Description: We present a new high-resolution record of atmospheric CO2 from the Siple Dome ice core, Antarctica over the early Holocene (11.7–7.4 ka) that quantifies natural CO2 variability on millennial timescales under interglacial climate conditions. We reconstructed atmospheric CO2 concentrations with ages between 11.7 and 9.0 ka from the Siple Dome ice core. 247 individual ice samples from 99 depth intervals were measured by needle cracker dry extraction and gas chromatography methods at Seoul National University (SNU). To extend the record to 7.4 ka, we made a composite dataset using a previous CO2 record from the Siple Dome ice core covering 9.0–7.4 ka measured by the needle cracker system at Oregon State University (OSU) (Ahn et al., 2014, https://doi.org/10.1002/2013gl058177). To make a composite record of atmospheric CO2, we tested for bias between the two data sets. Siple Dome samples from 7 depth intervals between 538.55–490. 16 samples were analysed at both laboratories (Ahn et al., 2014, https://doi.org/10.1002/2013gl058177). The SNU measurements were higher than the OSU measurements by 0.3±0.7 ppm (1σ) on average, indicating that the SNU and OSU results agree well. The small offset of 0.3 ppm was added to OSU data before combining them with the SNU results. The Siple Dome samples are placed on the improved Siple Dome chronology developed by Yang et al. (2017, https://doi.org/10.1594/PANGAEA.880561), which is aligned with the Greenland Ice Core Chronology, 2005 (GICC05) using the synchronization of CH4 and δ18Oatm time series.
    Keywords: AGE; Antarctica; carbon dioxide; Carbon dioxide; Carbon dioxide, standard error; DEPTH, ice/snow; Early Holocene; Ice_core_diverse; Ice core; ICEDRILL; Ice drill; Reference/source; Sampling/drilling ice; Siple_Dome; Siple Coast; Siple Dome
    Type: Dataset
    Format: text/tab-separated-values, 612 data points
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  • 96
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    Rock temperature variability in the alpine cryosphere (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-30
    Description: In a context of cryosphere degradation caused by climate warming, rock temperature is one of the main driving factors of rockfalls that occur on high-elevation mountain slopes. In order to improve the knowledge of this critical relationship, it is necessary to increase measurement capability of rock temperature and its variability in different lithological and slope/aspect conditions, and also to increase local scale studies, increasing the quality and the comparability of the data. Rock temperature data, acquired from July 2018 to July 2022 in an alpine experimental glacial basin (https://deims.org/f8718e56-fb4d-49a3-92a9-3670e7f10ee9), in different two temperature monitoring sites (TMS) with the same lithological conditions (calc-schists) but in two different aspect conditions (South and North), at an elevation range from 2653 to 2667 m a.s.l, are present. The temperature data have been acquired by using six MadgeTech MicroTemp Data Logger (MT), metrologically referenced and with known measurement uncertainty (0.098 °C).
    Keywords: Bessanese_TMS1; Bessanese_TMS3; Bessanese high-elevation experimental site; DATE/TIME; Elevation of event; European Alps; Event label; Italy; Latitude of event; Longitude of event; measurement uncertainty; Miniaturized temperature logger; MTL; Rockfall; rock temperature; Temperature, in rock/sediment; Temperature logger, MicroTemp (MadgeTech)
    Type: Dataset
    Format: text/tab-separated-values, 316206 data points
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  • 97
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    Blank data for beryllium measurements (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-30
    Keywords: Accelerator mass spectrometry (AMS); Beryllium-10/Beryllium-9, uncertainty; Beryllium-10/Beryllium-9 ratio; Caribbean; Cosmogenic nuclide; cosmogenic radionuclides; DATE/TIME; erosion; erosion rate; Identification; Sample comment; Sample ID; Tropical; tropics
    Type: Dataset
    Format: text/tab-separated-values, 36 data points
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  • 98
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    Salt tracer measurement in the Jamtal valley (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-30
    Keywords: DATE/TIME; Discharge; GLAC; Glaciers Austria; Hidden.Ice; Hidden.Ice – Changing debris cover on Eastern Alpine glaciers: Quantification and hydrological impacts; Jamtalferner; JTF; LTER; Salt dilution, runoff; Sampling/measurements on glacier; Silvretta, Eastern Alps, Austria
    Type: Dataset
    Format: text/tab-separated-values, 40 data points
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  • 99
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    Water level and flow velocity in the Jamtal valley, 2019 (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-30
    Keywords: DATE/TIME; Discharge; Flow velocity, water; GLAC; Glaciers Austria; Hidden.Ice; Hidden.Ice – Changing debris cover on Eastern Alpine glaciers: Quantification and hydrological impacts; Jamtalferner; JTF; LTER; Sampling/measurements on glacier; Silvretta, Eastern Alps, Austria; Water level
    Type: Dataset
    Format: text/tab-separated-values, 69700 data points
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  • 100
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    Water level and flow velocity in the Jamtal valley, 2021 (2022)
    PANGAEA
    Details
    Publication Date: 2023-01-30
    Keywords: DATE/TIME; Discharge; Flow velocity, water; GLAC; Glaciers Austria; Hidden.Ice; Hidden.Ice – Changing debris cover on Eastern Alpine glaciers: Quantification and hydrological impacts; Jamtalferner; JTF; LTER; Sampling/measurements on glacier; Silvretta, Eastern Alps, Austria; Water level
    Type: Dataset
    Format: text/tab-separated-values, 87248 data points
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    DATA PANGAEA
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