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  • Artikel  (1.541.405)
  • Springer Nature  (1.067.171)
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  • 1
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    Applying the Values of Geoethics for Sustainable Speleotourism Development (2020)
    Springer Nature
    Details
    Publikationsdatum: 2020-09-01
    Beschreibung: Establishing sustainable and responsible speleotourism development is a major challenge and involves complex activities. Adequate theoretical starting point is the application of geoethical values related to the conservation and protection of the caves to be used for touristic purposes. Positive and negative cases of human behaviors towards speleological geoheritage are discussed, in order to highlight what should be done in cave management to avoid malpractices and on what elements could be founded adequate strategies aimed at promoting sustainable speleotourism. This is important to tourism management organizations involved in the promotion of caves and in creating economic opportunities for local populations, while respecting cave ecosystems. Modern cave management must be focused on the protection of the cave ecosystems, finding ways to achieve at the same time an economic development of local communities. But this approach needs the adoption of a geoethical framework of values to be shared by all stakeholders involved so that successful cooperation can be achieved despite differences in interests and expectations. The aim of this paper is to raise the awareness about the need to apply the values of geoethics to speleotourism, stimulating new fields of discussion within the scientific and technical communities involved in studies and activities related to geotourism and geoheritage. The possibilities of developing new ways to manage caves, in order to promote a sustainable socio-economic development of local communities, have to be balanced with the protection of natural environments as much as possible. The proposed theoretical frameworks have the goal to increase the discussion on the best ways of connecting speleotourism to sustainable and responsible cave management, presenting two case studies, and pointing out potential solutions.
    Beschreibung: Open access funding provided by Istituto Nazionale di Geofisica e Vulcanologia within the CRUI-CARE Agreement
    Beschreibung: Published
    Beschreibung: id 73
    Beschreibung: 7SR AMBIENTE – Servizi e ricerca per la società
    Beschreibung: 1TM. Formazione
    Beschreibung: 2TM. Divulgazione Scientifica
    Beschreibung: JCR Journal
    Schlagwort(e): Geoethics ; Responsibility ; Sustainability ; Caves ; Speleotourism ; 05.03. Educational, History of Science, Public Issues ; 05.09. Miscellaneous
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 2
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    Regional groundwater flow and interactions with deep fluids in western Apennine: the case of Narni-Amelia chain (Central Italy) (2012)
    Wiley-Blackwell
    Details
    Publikationsdatum: 2021-01-07
    Beschreibung: The elemental fluxes and heat flow associated with large aquifer systems can be significant both at local and at regional scales. In fact, large amounts of heat transported by regional groundwater flow can affect the subsurface thermal regime, and the amount of matter discharged towards the surface by large spring systems can be significant relative to the elemental fluxes of surface waters. The Narni-Amelia regional aquifer system (Central Italy) discharges more than 13 m3 sec)1 of groundwater characterised by a slight thermal anomaly, high salinity and high pCO2. During circulation in the regional aquifer, groundwater reacts with the host rocks (dolostones, limestones and evaporites) and mixes with deep CO2-rich fluids of mantle origin. These processes transfer large amounts of dissolved substances, in particular carbon dioxide, and a considerable amount of heat towards the surface. Because practically all the water circulating in the Narni-Amelia system is discharged by few large springs (Stifone-Montoro), the mass and energy balance of these springs can give a good estimation of the mass and heat transported from the entire system towards the surface. By means of a detailed mass and balance of the aquifer and considering the soil CO2 fluxes measured from the main gas emission of the region, we computed a total CO2 discharge of about 7.8 · 109 mol a)1 for the whole Narni-Amelia system. Finally, considering the enthalpy difference between infiltrating water and water discharged by the springs, we computed an advective heat transfer related to groundwater flow of 410 ± 50 MW.
    Beschreibung: Published
    Beschreibung: 182-196
    Beschreibung: 2.4. TTC - Laboratori di geochimica dei fluidi
    Beschreibung: 4.5. Studi sul degassamento naturale e sui gas petroliferi
    Beschreibung: JCR Journal
    Beschreibung: reserved
    Schlagwort(e): carbon dioxide degassing ; heat flow ; regional aquifer ; 04. Solid Earth::04.02. Exploration geophysics::04.02.01. Geochemical exploration ; 04. Solid Earth::04.04. Geology::04.04.12. Fluid Geochemistry ; 04. Solid Earth::04.08. Volcanology::04.08.07. Instruments and techniques
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 3
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    Lateglacial to Holocene trace element record (Ba, Mg, Sr) from Corchia Cave (Apuan Alps, central Italy): paleoenvironmental implications (2015)
    Wiley-Blackwell
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    Publikationsdatum: 2021-06-16
    Beschreibung: In this study, Mg/Ca, Sr/Ca and Ba/Ca ratios in a Lateglacial to Holocene stalagmite (CC26) from Corchia Cave (central Italy) are compared with stable isotope data to define palaeohydrological changes. For most of the record, the trace element ratios show small absolute variability but similar patterns, which are also consistent with stable isotope variations. Higher trace element-to-calcium values are interpreted as responses to decreasing moisture, inducing changes in the residence time of percolation, producing prior calcite precipitation and/or variations in the hydrological routing. Statistically meaningful levels of covariability were determined using anomalies of Mg/Ca, d18O and d13C. Combining these three time series into a single ‘palaeomoisture-trend’ parameter, we highlight several events of reduced moisture (ca. 8.9–8.4, 6.2, 4.2, 3.1 and 2.0 ka), a humid period between ca. 7.9 and 8.3 ka and other shorter-term wet events at ca. 5.8, 5.3 and 3.7 ka. Most of these events can be correlated with climate changes inferred from other regional studies. For both extremities of the record (i.e. before ca. 12.4 ka and after ca. 0.5 ka) Mg/Ca and Sr/Ca are anti-correlated and show the greatest amplitude of values, a likely explanation for which involves aragonite and/or gypsum precipitation (the latter derived from pyrite oxidation) above the CC26 drip point.
    Beschreibung: Published
    Beschreibung: 381–392
    Beschreibung: 4A. Clima e Oceani
    Beschreibung: JCR Journal
    Beschreibung: restricted
    Schlagwort(e): central Italy; Corchia Cave; Holocene; speleothems; trace elements ; 01. Atmosphere::01.01. Atmosphere::01.01.02. Climate
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 4
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    So close, so different: geothermal flux shapes divergent soil microbial communities at neighbouring sites (2016)
    Wiley-Blackwell
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    Publikationsdatum: 2021-06-14
    Beschreibung: This study is focused on the (micro)biogeochemical features of two close geothermal sites (FAV1 and FAV2), both selected at the main exhalative area of Pantelleria Island, Italy. A previous biogeochemical survey revealed high CH4 consumption and the presence of a diverse community of methanotrophs at FAV2 site, whereas the close site FAV1 was apparently devoid of methanotrophs and recorded no CH4 consumption. Next-Generation Sequencing (NGS) techniques were applied to describe the bacterial and archaeal communities which have been linked to the physicochemical conditions and the geothermal sources of energy available at the two sites. Both sites are dominated by Bacteria and host a negligible component of ammonia-oxidizing Archaea (phylum Thaumarchaeota). The FAV2 bacterial community is characterized by an extraordinary diversity of methanotrophs, with 40% of the sequences assigned to Methylocaldum, Methylobacter (Gammaproteobacteria) and Bejerickia (Alphaproteobacteria); conversely, a community of thermo-acidophilic chemolithotrophs (Acidithiobacillus, Nitrosococcus) or putative chemolithotrophs (Ktedonobacter) dominates the FAV1 community, in the absence of methanotrophs. Since physical andchemical factors of FAV1, such as temperature and pH, cannot be considered limiting for methanotrophy, it is hypothesized that the main limiting factor for methanotrophs could be high NH4+ concentration. At the same time, abundant availability of NH4+ and other high energy electron donors and acceptors determined by the hydrothermal flux in this site create more energetically favourable conditions for chemolithotrophs that outcompete methanotrophs in non-nitrogen-limited soils.
    Beschreibung: Published
    Beschreibung: 150–162
    Beschreibung: 4V. Vulcani e ambiente
    Beschreibung: JCR Journal
    Beschreibung: restricted
    Schlagwort(e): geothermal soils ; geomicrobiology ; chemolithotrophs ; methanotrophs ; Pantelleria ; 04. Solid Earth::04.04. Geology::04.04.12. Fluid Geochemistry
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 5
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    Geological and geophysical investigation of Kamil crater, Egypt (2013)
    Wiley-Blackwell
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    Publikationsdatum: 2020-12-21
    Beschreibung: We detail the Kamil crater (Egypt) structure and refine the impact scenario, based on the geological and geophysical data collected during our first expedition in February 2010. Kamil Crater is a model for terrestrial small-scale hypervelocity impact craters. It is an exceptionally well-preserved, simple crater with a diameter of 45 m, depth of 10 m, and rayed pattern of bright ejecta. It occurs in a simple geological context: flat, rocky desert surface, and target rocks comprising subhorizontally layered sandstones. The high depth-to-diameter ratio of the transient crater, its concave, yet asymmetric, bottom, and the fact that Kamil Crater is not part of a crater field confirm that it formed by the impact of a single iron mass (or a tight cluster of fragments) that fragmented upon hypervelocity impact with the ground. The circular crater shape and asymmetries in ejecta and shrapnel distributions coherently indicate a direction of incidence from the NW and an impact angle of approximately 30 to 45 . Newly identified asymmetries, including the off-center bottom of the transient crater floor downrange, maximum overturning of target rocks along the impact direction, and lower crater rim elevation downrange, may be diagnostic of oblique impacts in well-preserved craters. Geomagnetic data reveal no buried individual impactor masses 〉100 kg and suggest that the total mass of the buried shrapnel 〉100 g is approximately 1050–1700 kg. Based on this mass value plus that of shrapnel 〉10 g identified earlier on the surface during systematic search, the new estimate of the minimum projectile mass is approximately 5 t.
    Beschreibung: Published
    Beschreibung: 1842–1868
    Beschreibung: 3.8. Geofisica per l'ambiente
    Beschreibung: JCR Journal
    Beschreibung: restricted
    Schlagwort(e): Impact craters ; geophysical survey ; iron meteorite ; impact scenario ; 04. Solid Earth::04.02. Exploration geophysics::04.02.99. General or miscellaneous ; 04. Solid Earth::04.02. Exploration geophysics::04.02.07. Instruments and techniques ; 04. Solid Earth::04.04. Geology::04.04.99. General or miscellaneous
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 6
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    Revised Chronology of the Sulmona Lacustrine Succession, Central Italy (2013)
    Wiley-Blackwell
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    Publikationsdatum: 2020-12-07
    Beschreibung: We present new stratigraphic, palaeomagnetic, 87Sr/86Sr and 40Ar/39Ar data from a lacustrine succession of the Sulmona basin, central Italy, which, according to an early study, included six unconformitybounded lacustrine units (from SUL6, oldest, to SUL1, youngest) spanning the interval 〉600 to 2 ka. The results of the present study, on the one hand confirm some of the previous conclusions, but by contrast reveal that units SUL2 and SUL1, previously attributed to the Holocene, are actually equivalent to the older SUL6 and SUL5 units – here dated to 814–〉530 ka and 530–〈457 ka, respectively – and that the U-series dates previously published for both former SUL2 and SUL1 units yielded abnormally young ages. In light of the present results, a reassessment of the chronology of the Sulmona basin succession and a revision of the tephrostratigraphy of the SUL2/SUL6 and SUL1/SUL5 units is in order.
    Beschreibung: Published
    Beschreibung: 545–551
    Beschreibung: 2.2. Laboratorio di paleomagnetismo
    Beschreibung: JCR Journal
    Beschreibung: restricted
    Schlagwort(e): 40Ar/39Ar dating; central Italy ; Sr isotope composition ; Sulmona lacustrine succession ; Brunhes–Matuyama geomagnetic reversal ; tephrostratigraphy ; U-series dating ; 04. Solid Earth::04.04. Geology::04.04.08. Sediments: dating, processes, transport ; 04. Solid Earth::04.04. Geology::04.04.10. Stratigraphy ; 04. Solid Earth::04.05. Geomagnetism::04.05.06. Paleomagnetism
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 7
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    Empirical H/V spectral ratios estimated in two deep sedimentary basins using microseisms recorded by short-period seismometers (2009)
    Wiley-Blackwell
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    Publikationsdatum: 2021-06-22
    Beschreibung: In this work, we analyse continuous measurements of microseisms to assess the reliability of the fundamental resonance frequency estimated by means of the horizontal-to-vertical (H/V) spectral ratio within the 0.1–1 Hz frequency range, using short-period sensors (natural period of 1 s). We apply the H/V technique to recordings of stations installed in two alluvial basins with different sedimentary cover thicknesses—the Lower Rhine Embayment (Germany) and the Gubbio Plain (Central Italy). The spectral ratios are estimated over the time–frequency domain, and we discuss the reliability of the results considering both the variability of the microseism activity and the amplitude of the instrumental noise. We show that microseisms measured by short period sensors allow the retrieval of fundamental resonance frequencies greater than about 0.1–0.2 Hz, with this lower frequency bound depending on the relative amplitude of themicroseism signal and the self-noise of the instruments. In particular,we show an examplewhere the considered short-period sensor is connected to instruments characterized by an instrumental noise level which allows detecting only fundamental frequencies greater than about 0.4 Hz. Since the frequency at which the peak of the H/V spectral ratio is biased depends upon the seismic signal-to-instrument noise ratio, the power spectral amplitude of instrumental self-noise should be always considered when interpreting the frequency of the peak as the fundamental resonance frequency of the investigated site.
    Beschreibung: Published
    Beschreibung: 175-184
    Beschreibung: 4.1. Metodologie sismologiche per l'ingegneria sismica
    Beschreibung: JCR Journal
    Beschreibung: open
    Schlagwort(e): site effects ; fourier analysis ; 04. Solid Earth::04.06. Seismology::04.06.01. Earthquake faults: properties and evolution
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 8
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    Greenland uplift and regional sea–level changes from ICESat observations and GIA modeling (2012)
    Wiley-Blackwell
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    Publikationsdatum: 2020-12-14
    Beschreibung: We study the implications of a recently published mass balance of the Greenland ice sheet (GrIS), derived from repeated surface elevation measurements from NASA’s ice cloud and land elevation satellite (ICESat) for the time period between 2003 and 2008. To characterize the effects of this new, high-resolution GrIS mass balance, we study the time-variations of various geophysical quantities in response to the current mass loss. They include vertical uplift and subsidence, geoid height variations, global patterns of sea level change (or fingerprints), and regional sea level variations along the coasts of Greenland. Long-wavelength uplifts and gravity variations in response to current or past ice thickness variations are obtained solving the sea level equation, which accounts for both the elastic and the viscoelastic components of deformation. To capture the short-wavelength components of vertical uplift in response to current ice mass loss, which is not resolved by satellite gravity observations, we have specifically developed a high-resolution regional elastic rebound (ER) model. The elastic component of vertical uplift is combined with estimates of the viscoelastic displacement fields associated with the process of glacial-isostatic adjustment (GIA), according to a set of published ice chronologies and associated mantle rheological profiles. We compare the sensitivity of global positioning system (GPS) observations along the coasts of Greenland to the ongoing ER and GIA. In notable contrast with past reports, we show that vertical velocities obtained by GPS data from five stations with sufficiently long records and from one tide gauge at the GrIS margins can be reconciled with model predictions based on the ICE-5G deglaciation model and the ER associated with the new ICESat-derived mass balance.
    Beschreibung: Published
    Beschreibung: 1457-1474
    Beschreibung: 3.3. Geodinamica e struttura dell'interno della Terra
    Beschreibung: JCR Journal
    Beschreibung: restricted
    Schlagwort(e): Sea level change ; 04. Solid Earth::04.07. Tectonophysics::04.07.02. Geodynamics
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 9
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    A smoothed stochastic earthquake rate model considering seismicity and fault moment release for Europe (2014)
    Wiley-Blackwell
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    Publikationsdatum: 2020-12-15
    Beschreibung: We present a time-independent gridded earthquake rate forecast for the European region including Turkey. The spatial component of our model is based on kernel density estimation techniques, which we applied to both past earthquake locations and fault moment release on mapped crustal faults and subduction zone interfaces with assigned slip rates. Our forecast relies on the assumption that the locations of past seismicity is a good guide to future seismicity, and that future large-magnitude events occur more likely in the vicinity of known faults. We show that the optimal weighted sum of the corresponding two spatial densities depends on the magnitude range considered. The kernel bandwidths and density weighting function are optimized using retrospective likelihood-based forecast experiments. We computed earthquake activity rates (a- and b-value) of the truncated Gutenberg–Richter distribution separately for crustal and subduction seismicity based on a maximum likelihood approach that considers the spatial and temporal completeness history of the catalogue. The final annual rate of our forecast is purely driven by the maximum likelihood fit of activity rates to the catalogue data, whereas its spatial component incorporates contributions from both earthquake and fault moment-rate densities. Our model constitutes one branch of the earthquake source model logic tree of the 2013 European seismic hazard model released by the EU-FP7 project ‘Seismic HAzard haRmonization in Europe’ (SHARE) and contributes to the assessment of epistemic uncertainties in earthquake activity rates. We performed retrospective and pseudo-prospective likelihood consistency tests to underline the reliability of our model and SHARE’s area source model (ASM) using the testing algorithms applied in the collaboratory for the study of earthquake predictability (CSEP). We comparatively tested our model’s forecasting skill against the ASM and find a statistically significant better performance for testing periods of 10–20 yr. The testing results suggest that our model is a viable candidate model to serve for long-term forecasting on timescales of years to decades for the European region.
    Beschreibung: EC-Research FP7-projects, SHARE, under grant agreement No. 226967 and NERA, under grant agreement No. 262330
    Beschreibung: Published
    Beschreibung: 1159-1172
    Beschreibung: 2T. Tettonica attiva
    Beschreibung: 3T. Pericolosità sismica e contributo alla definizione del rischio
    Beschreibung: JCR Journal
    Beschreibung: restricted
    Schlagwort(e): Probabilistic forecasting ; Statistical seismology ; Europe ; 04. Solid Earth::04.06. Seismology::04.06.02. Earthquake interactions and probability ; 04. Solid Earth::04.06. Seismology::04.06.11. Seismic risk
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 10
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    Systemic seismic risk assessment of road networks in urban areas (2015)
    Wiley-Blackwell
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    Publikationsdatum: 2021-03-18
    Beschreibung: This article presents an integrated approach for the probabilistic systemic risk analysis of a road network considering spatial seismic hazard with correlation of ground motion intensities, vulnerability of the network components, and the effect of interactions within the network, as well as, between roadway components and built environment to the network functionality. The system performance is evaluated at the system level through a global connectivity performance indicator, which depends on both physical damages to its components and induced functionality losses due to interactions with other systems. An object-oriented modeling paradigm is used, where the complex problem of several interacting systems is decomposed in a number of interacting objects, accounting for intra- and interdependencies between and within systems. Each system is specified with its components, solving algorithms, performance indicators and interactions with other systems. The proposed approach is implemented for the analysis of the road network in the city of Thessaloniki (Greece) to demonstrate its applicability. In particular, the risk for the road network in the area is calculated, specifically focusing on the short-term impact of seismic events (just after the earthquake). The potential of road blockages due to collapses of adjacent buildings and overpass bridges is analyzed, trying to individuate possible criticalities related to specific components/subsystems. The application can be extended based on the proposed approach, to account for other interactions such as failure of pipelines beneath the road segments, collapse of adjacent electric poles, or malfunction of lighting and signaling systems due to damage in the electric power network.
    Beschreibung: Published
    Beschreibung: 524–540
    Beschreibung: 3T. Pericolosità sismica e contributo alla definizione del rischio
    Beschreibung: JCR Journal
    Beschreibung: restricted
    Schlagwort(e): Systemic vulnerability ; 04. Solid Earth::04.06. Seismology::04.06.11. Seismic risk
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 11
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    On the correlation between solar activity and large earthquakes worldwide (2021)
    Springer Nature
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    Publikationsdatum: 2021-03-03
    Beschreibung: Large earthquakes occurring worldwide have long been recognized to be non Poisson distributed, so involving some large scale correlation mechanism, which could be internal or external to the Earth. Till now, no statistically significant correlation of the global seismicity with one of the possible mechanisms has been demonstrated yet. In this paper, we analyze 20 years of proton density and velocity data, as recorded by the SOHO satellite, and the worldwide seismicity in the corresponding period, as reported by the ISC-GEM catalogue. We found clear correlation between proton density and the occurrence of large earthquakes (M 〉 5.6), with a time shift of one day. The significance of such correlation is very high, with probability to be wrong lower than 10-5. The correlation increases with the magnitude threshold of the seismic catalogue. A tentative model explaining such a correlation is also proposed, in terms of the reverse piezoelectric effect induced by the applied electric field related to the proton density. This result opens new perspectives in seismological interpretations, as well as in earthquake forecast.
    Beschreibung: Published
    Beschreibung: 11495
    Beschreibung: 7T. Variazioni delle caratteristiche crostali e precursori sismici
    Beschreibung: JCR Journal
    Schlagwort(e): correlation ; solar activity ; large earthquakes worldwide
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 12
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    High frequency attenuation of shear waves in Southeastern Alps and Northern Dinarides (2011)
    Wiley-Blackwell
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    Publikationsdatum: 2021-06-08
    Beschreibung: We investigated the high frequency attenuation of S-waves in Southeastern Alps and Northern External Dinarides using waveforms from 331 earthquakes (3.0〈 Mw〈 6.5). The spectral decay parameter, k, was computed using 1345 three component high quality records, collected by the Italian Strong Motion Network (RAN) and by the Short-Period Seismometric Network of North-Eastern Italy (NEI) in the period 1976-2007. Weak motion data from 11 stations of the NEI network and strong motion data collected by 5 accelerometers of the RAN were analyzed. The k parameter was estimated in the 0-250 Km distance range, in a frequency band extending from the corner frequency of the event up to 25 or 45 Hz, using the amplitude acceleration Fourier spectra of S-waves. The observed record-to-record variability of k was modeled by applying a generalized inversion procedure, using both parametric and non-parametric approaches. Our results evidence that k is independent on earthquake size, while it shows both site and distance dependence. Stations of the NEI network present the same increase of k with epicentral distance, Re, and show values of the zero-distance k parameter, k0(S), between 0.017 and 0.053 s. For the whole region, the k increase with distance can be described through a linear model with slope dk/dRe = (1.4±0.1)x10^(-4) s/Km. Assuming an average S-wave velocity, 〈Vs〉=3.34 Km/s between 5 and 15 Km depth, we estimate an average frequency independent quality factor, 〈Qi〉=2140, for the corresponding crustal layer. The non-parametric approach evidences a weak positive concavity of the curve that describes the k increase with Re at about 90 Km distance. This result can be approximated through a piecewise linear function with slopes of 1.0x10^(-4) s/Km and 1.7x10^(-4) s/Km, in accordance with a three layers model where moving from the intermediate to the bottom layer both 〈Qi〉 and 〈Vs〉 decrease. Two regional dependences were found: data from earthquakes located westward to the NEI network evidence weaker attenuation properties, probably because of S-wave reflections from different part of the Moho discontinuity under the eastern Po Plain, at about 25-30 Km depth, while earthquakes located eastward (in western Slovenia), where the Moho deepens up to 45-50 Km, evidence a higher attenuation. Moreover, the k estimates obtained with data from earthquakes located in the area of the 1998 (Mw=5.7) and 2004 (Mw=5.2) Kobarid events are 0.017 s higher than the values predicted for the whole region, probably because of the high level of fracturing that characterizes fault zones. The comparison between measured and theoretical values of k, computed at a few stations with available S-wave velocity profiles, reveals that the major contribution to the total k0(S) is due to the sedimentary column (from surface to 800 m depth). The hard rock section contribution is limited to 0.005 s, in accordance with a maximum contribution of 0.010 s predicted by the non-parametric inversion.
    Beschreibung: Published
    Beschreibung: 1393-1416
    Beschreibung: 3.3. Geodinamica e struttura dell'interno della Terra
    Beschreibung: JCR Journal
    Beschreibung: open
    Schlagwort(e): Earthquake source observations ; Body waves ; Seismic attenuation ; Site effects ; Wave propagation ; 04. Solid Earth::04.06. Seismology::04.06.04. Ground motion
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 13
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    BUILDING MATERIALS OF THE THEATRE OF MARCELLUS, ROME* (2012)
    Wiley-Blackwell
    Details
    Publikationsdatum: 2021-06-22
    Beschreibung: The building materials of the Theatre of Marcellus, 44–11 BCE, reflect Roman builders’ careful selections of tuff and travertine for dimension stone and volcanic aggregates for pozzolanic concretes. The vitric–lithic–crystal Tufo Lionato tuff dimension stone contains a high proportion of lava lithic fragments, which increase its compressive strength and decrease water sorption, enhancing durability. Sophisticated installations of travertine dimension stone reinforce the tuff masonry, which is integrated with durable concrete walls and barrel vaults. The pozzolanic mortars of the concretes contain harenae fossiciae mainly from the intermediate alteration facies of the mid-Pleistocene, scoriaceous Pozzolane Rosse pyroclastic flow. They have pervasive interpenetrating pozzolanic cements, including strätlingite, similar to highquality, imperial era mortars. Concrete walls are faced with refined Tufo Lionato opus reticulatum and tufelli, and opus testaceum of fired, greyish-yellow brick. The exploratory concrete masonry, which includes some of the earliest examples of brick facings and strätlingite cements in Rome, and the integration of these materials in complex architectural elements and internal spaces, reflect the highly skilled workmanship, rigorous work-site management and technical supervision of Roman builders trained in republican era methods and materials.
    Beschreibung: Published
    Beschreibung: 728–742
    Beschreibung: JCR Journal
    Beschreibung: restricted
    Schlagwort(e): VOLCANIC TUFF MASONRY ; 04. Solid Earth::04.08. Volcanology::04.08.99. General or miscellaneous
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 14
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    A continuous palaeosecular variation record of the last four millennia from the Augusta Bay (Sicily, Italy) (2011)
    Wiley-Blackwell
    Details
    Publikationsdatum: 2021-06-07
    Beschreibung: We present a high-resolution palaeomagnetic and rock magnetic study of two cores, MS06 and MS06-SW (6.7 and 1.1 m long, respectively), collected at 72 m below sea level in the Augusta Bay shelf (Eastern Sicily, Ionian Sea, Italy) about 2.3 kmfrom the coastline. Geophysical surveying carried out in the sampling area highlighted the presence of a homogeneous sedimentary sequence that most likely was deposited after the Last Glacial Maximum and was not affected by anthropogenic disturbances. The two cores penetrated a monotonous mud sedimentary sequence, interrupted at ∼3 m depth by a 3–4-cm-thick volcanic sandy layer that is correlated with the tephra fallout deposit produced by the 122 BC plinian eruption of Mt Etna. This tephra, along with radiocarbon dating of nine marine shells and with radioactive tracers for the uppermost 0.3 m (210Pb and 137Cs), provide the chronological constraints for the stratigraphic sequence that resulted younger than 4500 yr BP. Palaeomagnetic and rock magnetic data show that the sample sequence is magnetically homogeneous. A single peak of high magnetic mineral concentration is present and corresponds to the volcanic sandy layer. Palaeomagnetic data allowed the identification of a well-defined characteristic remanent magnetization that provides a high-resolution record of palaeosecular variation (PSV) at the sampling site. The reconstructed PSV curve is in good agreement with the available regional reference PSV curves and with the prediction from recent PSV modelling for Europe. The palaeomagnetic data obtained in this study on the one hand support and refine the age model for the cores, derived from other independent constraints, and on the other hand provide an original high-resolution PSV curve that can serve as a reference for the central Mediterranean over the last 4 ka.
    Beschreibung: Published
    Beschreibung: 191 - 202
    Beschreibung: 2.2. Laboratorio di paleomagnetismo
    Beschreibung: JCR Journal
    Beschreibung: restricted
    Schlagwort(e): Palaeointensity ; Palaeomagnetic secular variation ; Marine magnetics and palaeomagnetics ; Europe ; 04. Solid Earth::04.05. Geomagnetism::04.05.02. Geomagnetic field variations and reversals ; 04. Solid Earth::04.05. Geomagnetism::04.05.06. Paleomagnetism
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 15
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    Ground structure imaging by inversions of Rayleigh wave ellipticity: sensitivity analysis and application to European strong-motion sites (2015)
    Wiley-Blackwell
    Details
    Publikationsdatum: 2020-12-14
    Beschreibung: The knowledge of the local soil structure is important for the assessment of seismic hazards. A widespread, but time-consuming technique to retrieve the parameters of the local underground is the drilling of boreholes. Another way to obtain the shear wave velocity profile at a given location is the inversion of surface wave dispersion curves. To ensure a good resolution for both superficial and deeper layers, the used dispersion curves need to cover a wide frequency range. This wide frequency range can be obtained using several arrays of seismic sensors or a single array comprising a large number of sensors. Consequently, these measurements are time-consuming. A simpler alternative is provided by the use of the ellipticity of Rayleigh waves. The frequency dependence of the ellipticity is tightly linked to the shear wave velocity profile. Furthermore, it can be measured using a single seismic sensor. As soil structures obtained by scaling of a given model exhibit the same ellipticity curve, any inversion of the ellipticity curve alone will be ambiguous. Therefore, additional measurements which fix the absolute value of the shear wave velocity profile at some points have to be included in the inversion process. Small-scale spatial autocorrelation measurements or MASW measurements can provide the needed data. Using a theoretical soil structure, we show which parts of the ellipticity curve have to be included in the inversion process to get a reliable result and which parts can be omitted. Furthermore, the use of autocorrelation or high-frequency dispersion curves will be highlighted. The resulting guidelines for inversions including ellipticity data are then applied to real data measurements collected at 14 different sites during the European NERIES project. It is found that the results are in good agreement with dispersion curve measurements. Furthermore, the method can help in identifying the mode of Rayleigh waves in dispersion curve measurements.
    Beschreibung: Published
    Beschreibung: 207-229
    Beschreibung: 3T. Pericolosità sismica e contributo alla definizione del rischio
    Beschreibung: JCR Journal
    Beschreibung: restricted
    Schlagwort(e): Inverse theory Surface waves and free oscillations Site effects Computational seismology Wave propagation ; 04. Solid Earth::04.02. Exploration geophysics::04.02.06. Seismic methods
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 16
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    Seismic energy envelopes in volcanic media: in need of boundary conditions (2013)
    Wiley-Blackwell
    Details
    Publikationsdatum: 2020-12-15
    Beschreibung: Seismogram envelopes recorded at Campi Flegrei caldera show diffusive characteristics as well as steep amplitude increases in the intermediate and late coda, which can be related to the presence of a non-uniformly scattering medium. In this paper, we first show the results of a simulation with a statistical model considering anisotropic scattering interactions, in order to match coda-envelope duration and shape.We consider as realistic parameters for a volcanic caldera the presence of large square root velocity fluctuations (10 per cent) and two typical correlation lengths for such an heterogeneous crust, a = 0.1 and 1 km. Then, we propose the inclusion of a diffusive boundary condition in the stochastic description of multiple scattering, in order to model intermediate and late coda intensities, and particularly the sharp intensity peaks at some stations in the caldera. Finally, we show that a reliable 2-D synthetic model of the envelopes produced by earthquakes vertically sampling a small region can be obtained including a single drastic change of the scattering properties of the volcano, that is, a caldera rim of radius 3 km, and sections varying between 2 and 3 km. These boundary conditions are diffusive, which signifies that the rim must have more scattering potential than the rest of the medium, with its diffusivity 2–3 orders of magnitude lower than the one of the background medium, so that the secondary sources on its interface(s) could enhance coda intensities. We achieve a good first-order model of high-frequency (18 Hz) envelope broadening adding to the Monte Carlo solution for the incident flux the secondary source effects produced by a closed annular boundary, designed on the caldera rim signature at 1.5 km depth. At lower frequencies (3 Hz) the annular boundary controls the intermediate and late coda envelope behaviour, in a way similar to an extended diffusive source. In our interpretation, the anomalous intensities observed at several stations and predicted by the final Monte Carlo solutions are mainly due to the diffusive transmission reflection from a scattering object of increased scattering power, and are controlled by its varying thickness.
    Beschreibung: This work was carried out under the HPC-Europa2 project (project number: 228398) with the support of the European Commission Capacities Area-Research Infrastructures Initiative. We thank the whole staff at EPCC (Edinburgh Parallel Computing Centre) in Edinburgh and particularly Dr. Adam Carter for their help in both developing and parallelizing the code. The challenging comments and suggestions of the editor and two anonymous reviewers helped both in focusing the aim and in overcoming the strong limits of a previous version of the paper.
    Beschreibung: Published
    Beschreibung: 1102–1119
    Beschreibung: 3.1. Fisica dei terremoti
    Beschreibung: JCR Journal
    Beschreibung: restricted
    Schlagwort(e): Numerical solutions; ; Seismic anisotropy; ; Seismic attenuation ; Seismic tomography ; Wave scattering and diffraction ; Calderas ; 04. Solid Earth::04.06. Seismology::04.06.09. Waves and wave analysis
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 17
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    Tracking the recent dynamics of Mt. Vesuvius from joint investigations of ground deformation, seismicity and geofluid circulation (2021)
    Springer Nature
    Details
    Publikationsdatum: 2021-01-15
    Beschreibung: We reconstruct the composite dynamics of Mt. Vesuvius volcano in the period 2012–2019 from the study of ground deformation, seismicity, and geofluid (groundwater and fumarolic fluids) circulation and recognize complex spatio-temporal variations in these observables at medium (years) and short (months) time-scales. We interpret the observed patterns as the combined effect of structural changes affecting the volcanic edifice and variations of the dynamics of the hydrothermal system. In particular, we identify a change in the activity state of Mt. Vesuvius. After the activity reached minimum levels in 2014, the centroid of the surface manifestations migrated towards the SE. Episodic variations of co-seismic and aseismic deformation and fluid release, if analysed separately, would likely have been interpreted as pseudo-random oscillations of the background geophysical and geochemical signals. When organised in a comprehensive, multiparametric fashion, they shed light on the evolution of the volcano in 4D (x,y,z, time) space. These inferences play a crucial role in the formulation of civil protection scenarios for Mt. Vesuvius, a high risk, densely urbanized volcanic area which has never experienced unrest episodes in the modern era of instrumental volcanology.
    Beschreibung: Published
    Beschreibung: 965
    Beschreibung: 2V. Struttura e sistema di alimentazione dei vulcani
    Beschreibung: JCR Journal
    Schlagwort(e): recent dynamics ; Mt. Vesuvius ; investigations ; ground deformation ; seismicity ; geofluid circulation
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 18
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    Stable isotopes of pedogenic carbonates from the Somma–Vesuvius area, southern Italy, over the past 18 kyr: palaeoclimatic implications (2016)
    Wiley-Blackwell
    Details
    Publikationsdatum: 2021-04-07
    Beschreibung: Stable isotopes were measured in the carbonate and organic matter of palaeosols in the Somma–Vesuvius area, southern Italy in order to test whether they are suitable proxy records for climatic and ecological changes in this area during the past 18000 yr. The ages of the soils span from ca. 18 to ca. 3 kyr BP. Surprisingly, the Last Glacial to Holocene climate transition was not accompanied by significant change in d18O of pedogenic carbonate. This could be explained by changes in evaporation rate and in isotope fractionation between water and precipitated carbonate with temperature, which counterbalanced the expected change in isotope composition of meteoric water. Because of the rise in temperature and humidity and the progressive increase in tree cover during the Holocene, the Holocene soil carbonates closely reflect the isotopic composition of meteoric water. A cooling of about 2°C after the Avellino eruption (3.8 ka) accounts for a sudden decrease of about 1‰ in d18O of pedogenic carbonate recorded after this eruption. The d13C values of organic matter and pedogenic carbonate covary, indicating an effective isotope equilibrium between the organic matter, as the source of CO2, and the pedogenic carbonate. Carbon isotopes suggest prevailing C3 vegetation and negligible mixing with volcanogenic or atmospheric CO2.
    Beschreibung: Published
    Beschreibung: 813-824
    Beschreibung: 1V. Storia e struttura dei sistemi vulcanici
    Beschreibung: JCR Journal
    Beschreibung: restricted
    Schlagwort(e): stable isotope ; palaeosols ; Somma–Vesuvius ; palaeoclimate ; 04. Solid Earth::04.08. Volcanology::04.08.99. General or miscellaneous
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 19
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    A performance-based framework for adaptive seismic aftershock risk assessment (2015)
    Wiley-Blackwell
    Details
    Publikationsdatum: 2021-06-22
    Beschreibung: Operative seismic aftershock risk forecasting can be particularly useful for rapid decision-making in the presence of an ongoing sequence. In such a context, limit state first-excursion probabilities (risk) for the forecasting interval (a day) can represent the potential for progressive state of damage in a structure. This work lays out a performance-based framework for adaptive aftershock risk assessment in the immediate post-mainshock environment. A time-dependent structural performance variable is adopted in order to measure the cumulative damage in a structure. A set of event-dependent fragility curves as a function of the first-mode spectral acceleration for a prescribed limit state is calculated by employing back-to-back non- linear dynamic analyses. An epidemic-type aftershock sequence model is employed for estimating the spatio-temporal evolution of aftershocks. The event-dependent fragility curves for a given limit state are then integrated together with the probability distribution of aftershock spectral acceleration based on the epidemic-type aftershock sequence aftershock hazard. The daily probability of limit state first-excursion is finally calculated as a weighted combination of the sequence of limit state probabilities conditioned on the num- ber of aftershocks. As a numerical example, daily aftershock risk is calculated for the L’Aquila 2009 aftershock sequence (central Italy). A representative three-story reinforced concrete frame with infill panels, which has cyclic strength and stiffness degradation, is used in order to evaluate the progressive damage. It is observed that the proposed framework leads to a sound forecasting of limit state first-excursion in the structure for two limit states of significant damage and near collapse. Copyright © 2014 John Wiley & Sons, Ltd.
    Beschreibung: Published
    Beschreibung: 2179–2197
    Beschreibung: 3T. Pericolosità sismica e contributo alla definizione del rischio
    Beschreibung: JCR Journal
    Beschreibung: reserved
    Schlagwort(e): aftershock ; time-dependent reliability ; seismic risk ; etas modeling ; 04. Solid Earth::04.06. Seismology::04.06.11. Seismic risk
    Repository-Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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    RRS James Cook Cruise JC094, October 13 – November 30 2013, Tenerife - Trinidad. TROPICS, Tracing Oceanic Processes using Corals and Sediments. Reconstructing abrupt Changes in Chemistry and Circulation of the Equatorial Atlantic Ocean: Implications for global Climate and deep-water Habitats (2014)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2014-05-17
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
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  • 21
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    Data supplement (2014)
    PANGAEA
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    Publikationsdatum: 2014-06-20
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
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    Particle flux characterisation and sedimentation patterns of protistan plankton during the iron fertilisation experiment LOHAFEX in the Southern Ocean, doi:10.1016/j.dsr.2014.04.007, supplementary material (2014)
    PANGAEA
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    Publikationsdatum: 2014-06-25
    Repository-Name: EPIC Alfred Wegener Institut
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    Climate sensitivity across marine domains of life: limits to evolutionary adaptation shape species interactions, supplementary material (2014)
    PANGAEA
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    Publikationsdatum: 2014-06-27
    Repository-Name: EPIC Alfred Wegener Institut
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    Spatial database of canopy plant densities in Galapagos in 2011, focussing on invasive species and using satellite data (2014)
    PANGAEA
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    Publikationsdatum: 2014-07-08
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
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    Supplementary material (2014)
    PANGAEA
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    Publikationsdatum: 2014-07-01
    Repository-Name: EPIC Alfred Wegener Institut
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    Supplementary data (2014)
    PANGAEA
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    Publikationsdatum: 2014-06-30
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    Documentation of GPS measurements at station BREI (2014)
    PANGAEA
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    Publikationsdatum: 2014-07-17
    Repository-Name: EPIC Alfred Wegener Institut
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    PAGE21 WP5 - Land surface hydrology from remotely sensed data at PAGE21 sites (2014)
    PANGAEA
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    Publikationsdatum: 2014-08-31
    Repository-Name: EPIC Alfred Wegener Institut
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    Inventory of thermo-erosional valleys and streams in three ice-rich permafrost lowlands adjacent to the Laptev Sea (2014)
    PANGAEA
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    Publikationsdatum: 2014-07-16
    Repository-Name: EPIC Alfred Wegener Institut
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    Supplementary Information to: Panter, K.S. et al. (2009) (2014)
    PANGAEA
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    Publikationsdatum: 2018-08-10
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    Overview of planned route and research areas (2014)
    PANGAEA
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    Publikationsdatum: 2019-02-06
    Repository-Name: EPIC Alfred Wegener Institut
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    supplement to Nature Geoscience (2014)
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    Publikationsdatum: 2014-08-05
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    The California Current Predator Diet Database: Synthesis of Common Forage Species (2014)
    PANGAEA
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    Publikationsdatum: 2014-08-06
    Repository-Name: EPIC Alfred Wegener Institut
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    Site map (2014)
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    Publikationsdatum: 2014-10-01
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  • 35
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    Supplementary data (2014)
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    Publikationsdatum: 2014-09-23
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    Previews of daily mean Land Surface Temperature data (2014)
    PANGAEA
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    Publikationsdatum: 2014-07-02
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  • 37
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    supplementary data (2014)
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    Publikationsdatum: 2014-07-04
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    BSRN snapshot readme (2014)
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    Publikationsdatum: 2014-06-19
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    Begleitworte zur Karte des Gurgler Ferners 1981 (1986)
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    Publikationsdatum: 2014-08-15
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    Die Anwendung des Monoplottingverfahrens am Beispiel des Ausaperungsverlaufes am Stubacher Sonnblickkees im Sommer 1990 (1993)
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    Publikationsdatum: 2014-08-06
    Repository-Name: EPIC Alfred Wegener Institut
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    Zur Karte des Cathedral Massiv Gletschers 1:5000 (1988)
    PANGAEA
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    Publikationsdatum: 2014-08-13
    Repository-Name: EPIC Alfred Wegener Institut
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  • 42
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    supplementary data (2014)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2014-08-19
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
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    Probability inundation map for a scenario combining storm surge and sea-level rise (2014)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2014-08-24
    Repository-Name: EPIC Alfred Wegener Institut
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    PumaPlex: Raw data generated during the development of the SNP markers (2014)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2014-11-07
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
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  • 45
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    Supplementary data (2014)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2014-08-25
    Repository-Name: EPIC Alfred Wegener Institut
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  • 46
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    Recent glacier distribution and present climate in the central Andes of South America (1985)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2014-08-19
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
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  • 47
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    Freshwater runoff for Taylor Slough to Florida Bay for 1965 to 2000 for the FATHOM model (supplement) (2014)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2014-08-28
    Repository-Name: EPIC Alfred Wegener Institut
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  • 48
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    NetCDF supplement to Spatial decorrelation lengths of surfance ocean fCO2 (2014)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2014-10-07
    Repository-Name: EPIC Alfred Wegener Institut
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    Underwater Gear Track Data from PS86 - Processing Report for USBL Posidonia Data on RV “Polarstern” (2014)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2014-10-13
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  • 50
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    Supplementary data (2014)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2014-10-10
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
    Format: application/vnd.google-earth.kmz
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    Supplementary data (2014)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2014-10-02
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
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    National nitrogen budget for Denmark (2014)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2017-07-18
    Repository-Name: EPIC Alfred Wegener Institut
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  • 53
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    Supplementary data (2014)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2014-09-29
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
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  • 54
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    Supplementary data (2014)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2014-09-30
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
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  • 55
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    Mooring setups (2014)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2014-10-06
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
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    Format: image/jpeg
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    Temperature, precipitation, NDVI dataset from 1982 to 2009 in the Koshi River Basin of the Middle Himalayas (2013)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2019-07-17
    Repository-Name: EPIC Alfred Wegener Institut
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  • 57
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    Projektvorschläge für eine Polarstern-Expedition zur Prydz Bay/Jetty Oase/Mawson Coast (2013)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2019-07-17
    Repository-Name: EPIC Alfred Wegener Institut
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  • 58
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    Index description in "Mid-Holocene multiproxy compilation for eastern South America" (2013)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2019-07-17
    Repository-Name: EPIC Alfred Wegener Institut
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    Review of the «Global and Russian energy outlook up to 2040 (2013)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2019-07-17
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
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    Study on the effects of near-future ocean acidification on marine yeasts: a microcosm approach (2014)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2014-05-12
    Repository-Name: EPIC Alfred Wegener Institut
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    Small Changes in pH Have Direct Effects on Marine Bacterial Community Composition: A Microcosm Ap (2012)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2014-05-12
    Repository-Name: EPIC Alfred Wegener Institut
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  • 62
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    Results of calculated surface air temperature anomaly of COSMOS Pliocene experiment 2 in NetCDF format (2012)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2014-05-15
    Repository-Name: EPIC Alfred Wegener Institut
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    EM-120 bathymetry data collected during RRS James Cook cruise JC094, multibeam report (2014)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2014-06-02
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
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    TCCON http://www.tccon.caltech.edu test data file (2013)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2019-07-17
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
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  • 65
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    R script (2013)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2019-07-17
    Repository-Name: EPIC Alfred Wegener Institut
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  • 66
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    DataFiles for: Mount Nyiragongo: An assessment and update of the current eruptive activity (2013)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2019-07-17
    Repository-Name: EPIC Alfred Wegener Institut
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    Glacier bed and ice thickness of Hallstätter Gletscher calculated from GPR measurements 2009 (2013)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2019-07-17
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
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    Overview of the digital bathymetric model (2013)
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    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2019-07-17
    Repository-Name: EPIC Alfred Wegener Institut
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  • 69
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    Long-term eddy-covariance measurements from FINO2 platform above the Baltic Sea (2013)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2019-07-17
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
    Format: application/x-netcdf
    Format: application/x-netcdf
    Format: application/x-netcdf
    Format: application/x-netcdf
    Format: application/x-netcdf
    Format: application/x-netcdf
    Format: application/x-netcdf
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    Data table to: Brachiopods in Early Carboniferous (2013)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2019-07-17
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
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  • 71
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    Paleosalinities (10-35 ka BP) from the Celtic Margin (Bay of Biscay) (2012)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2019-07-17
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
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    SOCAT Vx - description (2013)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2017-08-31
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
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    Data files: Phenotypic evolution in a venerid bivalve species lineage from the late Middle Miocene Central Paratethys Sea: a multi-approach morphometric analysis (2013)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2019-07-17
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
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    Format: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
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    Format: application/zip
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    Dendrogram of Cluster-analysis of overall comparison (2013)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2019-07-17
    Repository-Name: EPIC Alfred Wegener Institut
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    Documentation of datasets of the JGOFS Australia Project (2013)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2019-07-17
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
    Format: application/pdf
    Format: application/pdf
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    Checklist of digital platforms for scientific research (2019)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2019-01-30
    Beschreibung: The purpose of this list of digital platforms is to facilitate the research of scientific data (articles, books, conferences, websites, indexers, etc.) by students of all undergraduate levels. The interface of platforms have similarities and because of this, low degree of difficulty of use. I emphasize that the key to an excellent literature search on digital platforms is to choose the right "keyword".
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    Documentation of Weddell seal FIL2018_wed_a_f_02 during the Fil2018 campaign (2019)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2019-03-21
    Repository-Name: EPIC Alfred Wegener Institut
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    Documentation of Weddell seal FIL2018_wed_a_f_04 during the Fil2018 campaign (2019)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2019-03-21
    Repository-Name: EPIC Alfred Wegener Institut
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    Documentation of Weddell seal FIL2018_wed_a_m_05 during the Fil2018 campaign (2019)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2019-03-21
    Repository-Name: EPIC Alfred Wegener Institut
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    Documentation of Ross seal PS1112018_ros_a_f_01 during the Fil2018 campaign (2019)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2019-03-21
    Repository-Name: EPIC Alfred Wegener Institut
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    Information for MAPS whale sighting data, v. 2018-12-18 (2018)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2018-12-19
    Repository-Name: EPIC Alfred Wegener Institut
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    TANGAROA cruise report and results (1975)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
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    Publikationsdatum: 2016-07-08
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
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  • 83
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    LAPMv2 6.0 - User Manual (2016)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2016-06-30
    Beschreibung: The LAPMv2 program (or Large-Area Photo-Mosaicking Tool v2) was specifically developed for seafloor mapping applications. It is capable of handling datasets of thousands of images, and relies on robust feature detection and matching algorithms (SIFT) as well as on navigation data from underwater vehicles (ROV, AUV, etc.) for the production of photomosaics. Final photomosaics are geo-referenced and saved as GeoTiff for direct import into a Geographic Information System (GIS).
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
    Format: application/pdf
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  • 84
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    Collection of symbols and thumbnails (2016)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2016-05-27
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
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  • 85
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    IMPETUS/FENNEC AWS network SE-Morocco 2001-2012 (2016)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2016-07-02
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
    Format: application/pdf
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  • 86
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    Documents of the Trans-Pacific cruise with Spencer F. Baird in 1953 (1953)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2016-07-07
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
    Format: image/jpeg
    Format: application/pdf
    Format: application/pdf
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  • 87
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    Crustal deformation and surface kinematics after the 2010 earthquakes in Latin America (2016)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2016-07-11
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
    Format: image/png
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  • 88
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    Landscape controls and vertical variability of soil organic carbon storage in the Lena River Delta, supplementary material (2016)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2016-07-12
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
    Format: application/pdf
    Format: image/jpeg
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  • 89
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    Readme files for data set "Measurements of Urban, Marine and Biogenic Air (MUMBA): characterisation of trace gases and aerosol at the urban, marine and biogenic interface in summer in Wollongong, Australia, 10.1594/PANGAEA.871982" (2017)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2017-02-13
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
    Format: text/plain
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  • 90
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    CRP Science Plan (2000)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2017-02-18
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
    Format: application/pdf
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  • 91
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    South Atlantic paleobathymetry since early Creteceous (2017)
    Springer Nature
    In:  EPIC3Scientific Reports, Springer Nature, 7(11819)
    Details
    Publikationsdatum: 2017-09-24
    Beschreibung: We present early Cretaceous to present paleobathymetric reconstructions and quantitative uncertainty estimates for the South Atlantic, offering a strong basis for studies of paleocirculation, paleoclimate and paleobiogeography. Circulation in an initially salty and anoxic ocean, restricted by the topography of the Falkland Plateau, Rio Grande Ridge and Walvis Rise, favoured deposition of thick evaporites in shallow water of the Brazilian-Angolan margins. This ceased as sea oor spreading propagated northwards, opening an equatorial gateway to shallow and intermediate circulation. This gateway, together with subsiding volcano-tectonic barriers would have played a key role in Late Cretaceous climate changes. Later deepening and widening of the South Atlantic, together with gateway opening at Drake Passage would lead, by mid-Miocene (∼15 Ma) to the establishment of modern-style thermohaline circulation.
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: Article , isiRev
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  • 92
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    Quality control flag scale - SPARC database (2017)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2017-10-16
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
    Format: application/pdf
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  • 93
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    Description of Drifter during Heincken cruise HE490 (2017)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2017-10-29
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
    Format: application/pdf
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  • 94
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    Short Cruise Report M141-2 -UFO- U-Isotope Fingerprinting of Mediterranean Outflow Water, Ponta Delgada (Portugal) - Varna (Bulgaria), October 5 - 19, 2017 (2017)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2017-11-06
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
    Format: application/pdf
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  • 95
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    Evidence of long-term NAO influence on East-Central Europe winter precipitation from a guano-derived δ15N record (2017)
    Springer Nature
    In:  EPIC3Scientific Reports, Springer Nature, 7(1), ISSN: 2045-2322
    Details
    Publikationsdatum: 2017-11-06
    Beschreibung: Currently there is a scarcity of paleo-records related to the North Atlantic Oscillation (NAO), particularly in East-Central Europe (ECE). Here we report δ15N analysis of guano from a cave in NW Romania with the intent of reconstructing past variation in ECE hydroclimate and examine NAO impacts on winter precipitation. We argue that the δ15N values of guano indicate that the nitrogen cycle is hydrologically controlled and the δ15N values likely reflect winter precipitation related to nitrogen mineralization prior to the growing season. Drier conditions indicated by δ15N values at AD 1848–1852 and AD 1880–1930 correspond to the positive phase of the NAO. The increased frequency of negative phases of the NAO between AD 1940–1975 is contemporaneous with higher δ15N values (wetter conditions). A 4‰ decrease in δ15N values at the end of the 1970’s corresponds to a strong reduction in precipitation associated with a shift from negative to positive phase of the NAO. Using the relationship between NAO index and δ15N values in guano for the instrumental period, we reconstructed NAO-like phases back to AD 1650. Our results advocate that δ15N values of guano offer a proxy of the NAO conditions in the more distant past, helping assess its predictability.
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: Article , isiRev
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  • 96
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    Langenferner Massenhaushaltsstudien - Bericht über die Jahresbilanz 2015/2016 (2016)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2017-12-31
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
    Format: application/pdf
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  • 97
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    SONNE - Expeditionsheft SO259/3 (2018)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2018-01-19
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
    Format: application/pdf
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  • 98
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    SONNE - Expeditionsheft SO260-SO262 (2018)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2018-01-19
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
    Format: application/pdf
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  • 99
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    Copepode species list (2018)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2018-03-15
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
    Format: application/pdf
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  • 100
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    Mass Balance Freya Glacier 2015-16 (2018)
    PANGAEA
    In:  EPIC3Bremerhaven, PANGAEA
    Details
    Publikationsdatum: 2018-03-26
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: PANGAEA Documentation , notRev
    Format: application/pdf
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