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  • 2020-2024  (15)
  • 2015-2019  (42)
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  • 1
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    20 Jahre Helmholtz-Gemeinschaft: 1995-2015 (2015)
    Helmholtz-Gemeinschaft
    In:  , ed. by Mlynek, J. and Bittner, A. Helmholtz-Gemeinschaft, Bonn, Germany, 160 pp. ISBN 978-3-00-049157-3
    Details
    Publication Date: 2016-02-02
    Type: Book , NonPeerReviewed
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  • 2
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    A molecular survey of Ulva sensu lato on German Baltic- and North Sea coasts: A revision of the species inventory reveals their distribution and contributes new taxonomic insights (2018)
    In:  (PhD/ Doctoral thesis), Christian-Albrechts-Universität Kiel, Kiel, Germany, 222 pp
    Details
    Publication Date: 2021-02-08
    Description: In this doctoral project, I investigated the recent inventory, distribution and phylogenetic relationships of Ulva sensu lato in northern Germany, including sampling sites at the Baltic Sea, Wadden Sea and on Helgoland. Furthermore, I compared the recent results with historic findings. Therfore, this thesis constitutes a complete revision of the species inventory of Ulva sensu lato in northern Germany. Assessments of biodiversity were based on both the analysis of classical morphological characters and DNA barcoding. Phylogenetic analysis of more than 370 sequences of the tufA marker gene revealed the presence of 20 different species in German waters.
    Type: Thesis , NonPeerReviewed
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  • 3
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    A Review on the Biodiversity and Biogeography of Toxigenic Benthic Marine Dinoflagellates of the Coasts of Latin America (2019)
    Frontiers in Marine Science
    In:  EPIC3Frontiers in Marine Science, Frontiers in Marine Science, 6(148)
    Details
    Publication Date: 2019-08-19
    Description: Many benthic dinoflagellates are known or suspected producers of lipophilic polyether phycotoxins, particularly in tropical and subtropical coastal zones. These toxins are responsible for diverse intoxication events of marine fauna and human consumers of seafood, but most notably in humans, they cause toxin syndromes known as diarrhetic shellfish poisoning (DSP) and ciguatera fish poisoning (CFP). This has led to enhanced, but still insufficient, efforts to describe benthic dinoflagellate taxa using morphological and molecular approaches. For example, recently published information on epibenthic dinoflagellates from Mexican coastal waters includes about 45 species from 15 genera, but many have only been tentatively identified to the species level, with fewer still confirmed by molecular criteria. This review on the biodiversity and biogeography of known or putatively toxigenic benthic species in Latin America, restricts the geographical scope to the neritic zones of the North and South American continents, including adjacent islands and coral reefs. The focus is on species from subtropical and tropical waters, primarily within the genera Prorocentrum, Gambierdiscus/Fukuyoa, Coolia, Ostreopsis and Amphidinium. The state of knowledge on reported taxa in these waters is inadequate and time-series data are generally lacking for the prediction of regime shift and global change effects. Details of their respective toxigenicity and toxin composition have only recently been explored in a few locations. Nevertheless, by describing the specific ecosystem habitats for toxigenic benthic dinoflagellates, and by comparing those among the three key regions - the Gulf of Mexico, Caribbean Sea and the subtropical and tropical Pacific coast, insights for further risk assessment of the global spreading of toxic benthic species is generated for the management of their effects in Latin America.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 4
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    An annual proxy for the geomagnetic signal of magnetospheric currents on Earth based on observatory data from 1900–2010 (2017)
    In:  Geophysical Journal International
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    Publication Date: 2020-02-12
    Type: info:eu-repo/semantics/article
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  • 5
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    Cyanobacteria Blooms in the Baltic Sea: A Review of Models and Facts (2021)
    Copernicus Publications (EGU)
    Details
    Publication Date: 2024-02-07
    Description: The ecosystem of the Baltic Sea is endangered by eutrophication. This has triggered expensive international management efforts. Some of these efforts are impeded by natural processes such as nitrogen-fixing cyanobacteria blooms that add bioavailable nitrogen to the already over-fertilized system and thereby enhance primary production, export of organic matter to depth, and associated oxygen consumption. Controls of cyanobacteria blooms are not comprehensively understood, and this adds to the uncertainty of model-based projections into the warming future of the Baltic Sea. Here we review our current understanding of cyanobacteria bloom dynamics. We summarize published field studies and laboratory experiments and dissect the basic principles ingrained in state-of-the-art coupled ocean–circulation biogeochemical models.
    Type: Article , PeerReviewed
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  • 6
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    Das GEOMAR Helmholtz-Zentrum für Ozeanforschung Kiel und die Geschiche der Kieler Meereskunde (2015)
    Wachholtz, Murmann Publishers
    In:  In: Christian-Albrechts-Universität zu Kiel : 350 Jahre Wirken in Stadt, Land und Welt. , ed. by Auge, O. Wachholtz, Murmann Publishers, Kiel, Germany, pp. 699-723. ISBN 978-3-529-05905-6
    Details
    Publication Date: 2019-03-20
    Type: Book chapter , NonPeerReviewed
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  • 7
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    Die Tagebücher Alfred Wegeners zur Danmark-Expedition 1906/08 (2016)
    Alfred Wegener Institute for Polar and Marine Research
    In:  EPIC3Berichte zur Polar- und Meeresforschung = Reports on polar and marine research, Bremerhaven, Alfred Wegener Institute for Polar and Marine Research, 699, 321 p., ISSN: 1866-3192
    Details
    Publication Date: 2018-09-12
    Repository Name: EPIC Alfred Wegener Institut
    Type: "Berichte zur Polar- und Meeresforschung" , notRev
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  • 8
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    Dissolved silicon isotope dynamics in large river estuaries (2020)
    Elsevier
    Details
    Publication Date: 2023-02-08
    Description: Estuarine systems are of key importance for the riverine input of silicon (Si) to the ocean, which is a limiting factor of diatom productivity in coastal areas. This study presents a field dataset of surface dissolved Si isotopic compositions (30SiSi(OH)4) obtained in the estuaries of three of the world’s largest rivers, the Amazon (ARE), Yangtze (YRE), and Pearl (PRE), which cover different climate zones. While 30SiSi(OH)4 behaved conservatively in the YRE and PRE supporting a dominant control by water mass mixing, significantly increased 30SiSi(OH)4 signatures due to diatom utilization of Si(OH)4 were observed in the ARE and reflected a Si isotopic enrichment factor 30 of −1.0±0.4‰ (Rayleigh model) or −1.6±0.4‰ (steady state model). In addition, seasonal variability of Si isotope behavior in the YRE was observed by comparison to previous work and most likely resulted from changes in water residence time, temperature, and light level. Based on the 30 value obtained for the ARE, we estimate that the global average 30SiSi(OH)4 entering the ocean is 0.2-0.3‰ higher than that of the rivers due to Si retention in estuaries. This systematic modification of riverine Si isotopic compositions during estuarine mixing, as well as the seasonality of Si isotope dynamics in single estuaries, needs to be taken into account for better constraining the role of large river estuaries in the oceanic Si cycle.
    Type: Article , PeerReviewed
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  • 9
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    Divari di genere nelle scienze della terra: uno sguardo preliminare (2024)
    Details
    Publication Date: 2024-03-06
    Description: L’articolo richiama l’attenzione sulla distribuzione di genere nel settore dell’alta formazione in Italia e all’estero per le scienze della terra e offre un'analisi della situazione delle ricercatrici nell’INGV e in altri enti pubblici di ricerca quali CNR, OGS, ISPRA studiandone i pattern per rilevare differenze e similitudini.
    Description: Published
    Description: 87-94
    Description: OS: Terza missione
    Keywords: genere ; statistiche di genere ; forbice delle carriere ; benessere lavorativo ; donne nella scienza
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: book chapter
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  • 10
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    Energiesuffizienz in der Stadtentwicklung : Akteure, Strategien, Szenarien (2018)
    München : Oekom-Verl.
    Details
    Publication Date: 2022-02-18
    Description: Für den Klimaschutz müssen die Kohlendioxidemissionen verringert werden - massiv und schnell. Derzeit stehen dafür vor allem technische Lösungen im Fokus: bessere Energieeffizienz und mehr erneuerbare Energien. Diese Studie untersucht nun eine dritte, bislang zu wenig beachtete Strategie: die Energiesuffizienz. Sie verringert die Nachfrage nach energieintensiven Gütern und Dienstleistungen durch Verhaltensänderungen. Zwei dafür wesentliche Sektoren werden behandelt: die Raumwärme der privaten Haushalte und der alltägliche Personenverkehr. Beide zusammen verursachen immerhin rund 40 Prozent der städtischen Energienachfrage. Am Beispiel eines Wuppertaler Stadtteils werden dafür lokale Akteure, geeignete Strategien und das erreichbare Einsparpotenzial an Energie und Kohlendioxid analysiert. In Szenarien bis zum Jahr 2050 werden die Einsparmöglichkeiten quantitativ abgeschätzt und die Auswirkungen auf das Alltagsleben der Menschen anschaulich beschrieben.
    Keywords: ddc:300
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
    Type: doctoralthesis , doc-type:doctoralThesis
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  • 11
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    Evaluation of precipitation measurement methodsusing data from a precision lysimeter network (2023)
    In:  Hydrology and Earth System Sciences
    Details
    Publication Date: 2023-10-09
    Description: Accurate precipitation data are essential for assessing the water balance of ecosystems. Methods for point precipitation determination are influenced by wind, precipitation type and intensity and/or technical issues. High-precision weighable lysimeters provide precipitation measurements at ground level that are less affected by wind disturbances and are assumed to be relatively close to actual precipitation. The problem in previous studies was that the biases in precipitation data introduced by different precipitation measurement methods were not comprehensively compared with and quantified on the basis of those obtained by lysimeters in different regions in Germany. The aim was to quantify measurement errors in standard precipitation gauges as compared to the lysimeter reference and to analyze the effect of precipitation correction algorithms on the gauge data quality. Both correction methods rely on empirical constants to account for known external influences on the measurements, following a generic and a site-specific approach. Reference precipitation data were obtained from high-precision weighable lysimeters of the TERrestrial ENvironmental Observatories (TERENO)-SOILCan lysimeter network. Gauge types included tipping bucket gauges (TBs), weighable gauges (WGs), acoustic sensors (ASs) and optical laser disdrometers (LDs). From 2015-2018, data were collected at three locations in Germany, and 1 h aggregated values for precipitation above a threshold of 0.1 mm h−1 were compared. The results show that all investigated measurement methods underestimated the precipitation amounts relative to the lysimeter references for long-term precipitation totals with catch ratios (CRs) of between 33 %–92 %. Data from ASs had overall biases of −0.25 to −0.07 mm h−1, while data from WGs and LDs showed the lowest measurement bias (−0.14 to −0.06 mm h−1 and −0.01 to −0.02 mm h−1). Two TBs showed systematic deviations with biases of −0.69 to −0.61 mm h−1, while other TBs were in the previously reported range with biases of −0.2 mm h−1. The site-specific and generic correction schemes reduced the hourly measurement bias by 0.13 and 0.08 mm h−1 for the TBs and by 0.09 and 0.07 mm h−1 for the WGs and increased long-term CRs by 14 % and 9 % and by 10 % and 11 %, respectively. It could be shown that the lysimeter reference operated with minor uncertainties in long-term measurements under different site and weather conditions. The results indicate that considerable precipitation measurement errors can occur even at well-maintained and professionally operated stations equipped with standard precipitation gauges. This generally leads to an underestimation of the actual precipitation amounts. The results suggest that the application of relatively simple correction schemes, manual or automated data quality checks, instrument calibrations, and/or an adequate choice of observation period can help improve the data quality of gauge-based measurements for water balance calculations, ecosystem modeling, water management, assessment of agricultural irrigation needs, or radar-based precipitation analyses.
    Language: English
    Type: info:eu-repo/semantics/article
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  • 12
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    Flexibilitätskonzepte für die Stromversorgung 2050 : Technologien, Szenarien, Systemzusammenhänge (2016)
    München : acatech - Deutsche Akademie der Technikwissenschaften
    Details
    Publication Date: 2023-03-13
    Description: Als Beitrag zum globalen Klimaschutz soll die Stromversorgung in Deutschland überwiegend auf erneuerbare Energien umgestellt werden. Die vorliegende Analyse zeigt Möglichkeiten auf, wie das System gestaltet werden kann. Mehr als 100 Experten aus Wissenschaft und Wirtschaft haben ihre Expertise eingebracht.
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
    Type: report , doc-type:report
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  • 13
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    From a Modest Start to a Flourishing Marine Research Environment: The Institutional Development of Marine Geosciences in Kiel after World War II (2018)
    Oceanum Verlag
    In:  Deutsches Schiffahrtsarchiv: Wissenschaftliches Jahrbuch des Deutschen Schiffahrtsmuseums, 39.2016 . pp. 95-144.
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    Publication Date: 2021-09-01
    Type: Article , NonPeerReviewed
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  • 14
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    GeoForschungsZeitung / Ausgabe Januar 2017 (2017)
    Deutsches GeoForschungsZentrum GFZ
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    Publication Date: 2021-01-28
    Type: info:eu-repo/semantics/other
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  • 15
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    GeoForschungsZeitung / Ausgabe Juli 2015 (2015)
    Deutsches GeoForschungsZentrum GFZ
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    Publication Date: 2021-01-28
    Language: German
    Type: info:eu-repo/semantics/other
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  • 16
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    Governance of low-carbon energy system transitions : a case study from North-Rhine Westphalia, Germany (2018)
    Mandaluyong City : Asian Development Bank
    Details
    Publication Date: 2020-06-29
    Description: This governance brief aims to provide practical examples on how investments in urban infrastructure, clean energy, and energy efficiency can be implemented; and how these are embedded in multi-level governance, experimentation, and policy-learning. It draws on examples from the German energy system transition, which can be understood as a large-scale, real-life laboratory for the governance of a sustainability transition of an entire national energy system. The federal state of North-Rhine Westphalia's experience illustrates the complexity of the governance challenge of implementing low-carbon system transitions.
    Keywords: ddc:300
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: workingpaper , doc-type:workingPaper
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  • 17
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    History of the Potsdam, Seddin and Niemegk geomagnetic observatories – Part 1: Potsdam (2023)
    In:  History of Geo- and Space Sciences
    Details
    Publication Date: 2024-02-01
    Description: The measurement series of the three geomagnetic observatories Potsdam, Seddin and Niemegk spans more than 130 years, starting in 1890. It is one of the longest, almost uninterrupted series of recordings of the Earth's magnetic field. Data users frequently emphasise the high quality of the data and their significance for geomagnetic base research. Very well known outstanding geomagnetism scientists, such as Max Eschenhagen, Adolf Schmidt, Julius Bartels, Gerhard Fanselau and Horst Wiese, directed the observatories during their existence. This paper describes the history of the Potsdam Observatory, which was in operation from 1890 until 1928.
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  • 18
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    History of the Potsdam, Seddin and Niemegk geomagnetic observatories – Part 2: Seddin (2023)
    In:  History of Geo- and Space Sciences
    Details
    Publication Date: 2024-02-01
    Description: The measurement series of the three geomagnetic observatories Potsdam, Seddin and Niemegk spans 130 years, starting in 1890. It is one of the longest, almost uninterrupted series of recordings of the Earth's magnetic field. Data users frequently emphasise the high quality of the data and their significance for geomagnetic base research. Very well known outstanding geomagnetism scientists, such as Max Eschenhagen, Adolf Schmidt, Julius Bartels, Gerhard Fanselau and Horst Wiese, directed the observatories during their existence. This paper describes the history of the Seddin Observatory, which was in operation from 1907 until 1932.
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  • 19
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    IUGG Yearbook 2023 (2023)
    IUGG Secretariat, GFZ German Research Centre for Geosciences
    In:  IUGG Publications
    Details
    Publication Date: 2023-03-02
    Description: The IUGG Yearbook is a reference document of IUGG members, administrative officers, and Association and Union Commission officers that is updated annually and distributed free of charge. Each issue endeavors to update the contact information for hundreds of persons who are actively participating in IUGG scientific activities. Information is complied throughout the year until end December. The Yearbooks are published and posted at the IUGG webpage at the beginning of the year. The Yearbooks are printed together with the Annual Reports for the preceding year in May and mailed to National Committee for Geodesy and Geophysics, Adhering Bodies, IUGG partners, and major libraries.
    Language: French , English
    Type: info:eu-repo/semantics/report
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  • 20
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    Journal of Geophysics - Zeitschrift für Geophysik 60 (2019)
    Springer, Berlin
    In:  SUB Göttingen | 8 Z NAT 2148:60
    Details
    Publication Date: 2021-03-29
    Description: Dieser Band enthält 26 Artikel zu Themengebieten der Geophysik, veröffentlicht durch die Deutsche Geophysikalische Gesellschaft in dem Jahr 1986.
    Description: Inhaltsverzeichnis: Journal of Geophysics 60 〈html〉 〈body〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0060/LOG_0011.pdf"〉Investigation of the velocity- and Q-structure of the lowermost mantle using 〈i〉PcP〈/i〉/〈i〉P〈/i〉 amplitude ratios from arrays at distances of 70°–84°〈/a〉〈br〉 (Schlittenhardt, J.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0060/LOG_0014.pdf"〉Fast plane-wave and single-shot migration by Fourier transform〈/a〉〈br〉 (Temme, P., Müller, G.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0060/LOG_0015.pdf"〉A method of calculating lithosphere thickness from observations of deglacial land uplift and tilt〈/a〉〈br〉 (Wolf, D.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0060/LOG_0016.pdf"〉Volcanoes, fountains, earthquakes, and continental motion – What causes them? 〈/a〉〈br〉 (Kundt, W., Jessner, A.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0060/LOG_0017.pdf"〉Magnetic properties and oxidation experiments with synthetic olivines〈/a〉〈br〉 (Fe〈sub〉χ〈/sub〉Mg〈sub〉1–χ〈/sub〉)〈sub〉2〈/sub〉SiO〈sub〉4〈/sub〉, 0≦χ≦1 (Hoffmann, V., Soffel, H.C.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0060/LOG_0018.pdf"〉Magnetic mineralogy of basalts from El-Bahnasa and Tahna, Egypt〈/a〉〈br〉 (Wassif, N.A.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0060/LOG_0020.pdf"〉On the use of line current analogues in geomagnetic depth sounding〈/a〉〈br〉 (Jones, A.G.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0060/LOG_0021.pdf"〉Observations of the VLF quiet band phenomenon〈/a〉〈br〉 (Matthews, J.P.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0060/LOG_0022.pdf"〉In memoriam Gustav Adolf Schulze (1911–1986)〈/a〉〈br〉 (Dürschner, H.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0060/LOG_0023.pdf"〉Book reviews〈/a〉〈br〉 (Berckhemer, H., Dieminger, W., Engelhard, L.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0060/LOG_0024.pdf"〉Hydromagnetic waves at low latitudes: a symposium review from the fifth IAGA assembly〈/a〉〈br〉 (Fraser, B.J.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0060/LOG_0025.pdf"〉Generation and propagation mechanisms of low-latitude magnetic pulsations – A review〈/a〉〈br〉 (Yumoto, K.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0060/LOG_0026.pdf"〉Experimental aspects of low-latitude pulsations - A review〈/a〉〈br〉 (Verö, J.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0060/LOG_0027.pdf"〉GRF broad-band array analysis of the 1982 Miramichi, New Brunswick earthquake sequence〈/a〉〈br〉 (Basham, P.W., Kind, R.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0060/LOG_0028.pdf"〉Rockmagnetism and palaeomagnetism of an early Cretaceous/Late Jurassic dike swarm in Rio Grande do Norte, Brazil〈/a〉〈br〉 (Bücker, C., Schult, A., Bloch, W., Guerreiro, S.D.C.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0060/LOG_0029.pdf"〉Second Conference on Scientific Ocean Drilling〈/a〉〈br〉 (COSOD II)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0060/LOG_0030.pdf"〉Book reviews〈/a〉〈br〉 (Jentzsch, G.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0060/LOG_0031.pdf"〉Deep-seated lateral velocity variations beneath the GRF array inferred from mislocation patterns and P residuals〈/a〉〈br〉 (Faber, S., Plomerová, J., Babuška, V.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0060/LOG_0034.pdf"〉Lateral variations of the structure of the crust-mantle boundary from conversions of teleseismic 〈i〉P〈/i〉 waves〈/a〉〈br〉 (Qiyuan, L., Kind, R.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0060/LOG_0035.pdf"〉Cross spectral analysis of Swabian Jura (SW Germany) three-component microearthquake recordings〈/a〉〈br〉 (Scherbaum, F., Wendler, J.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0060/LOG_0036.pdf"〉The retrieval of the seismic moment tensor from first-order perturbation theory and generation of compatible models〈/a〉〈br〉 (Lana, X., Correig, A.M.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0060/LOG_0037.pdf"〉Impulsive processes in the magnetotail during substorm expansion〈/a〉〈br〉 (Sergeev, V.A., Bösinger, T., Lui, A.T.Y)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0060/LOG_0038.pdf"〉Spatial and temporal characteristics of impulsive structure of magnetospheric substorm〈/a〉〈br〉 (Sergeev, V.A., Pellinen, R.J., Bösinger, T., Baumjohann, W., Stauning, P., Lui, A.T.Y.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0060/LOG_0039.pdf"〉Seismic signal velocity in absorbing media〈/a〉〈br〉 (Schmidt, T., Müller, G.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0060/LOG_0040.pdf"〉In memoriam Nachruf Professor Ludwig Biermann〈/a〉〈br〉 (Treffitz, E.)〈/a〉〈/li〉 〈li〉〈a href="https://gdz.sub.uni-goettingen.de/download/pdf/PPN1015067948_0060/LOG_0041.pdf"〉Book Reviews〈/a〉〈br〉 (Korn, M.)〈/a〉〈/li〉 〈/body〉 〈/html〉
    Description: research
    Description: DFG, SUB Göttingen
    Keywords: 550 ; Earthquakes ; Earth's Mantle ; Geomagnetic Pulsations ; Germany ; Inverse Problems ; Magnetosphere ; Rock Magnetism ; Seismology ; Seismograms ; FID-GEO-DE-7
    Language: English
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    Kommunale Politik zum Ausbau erneuerbarer Energien : Handlungsmöglichkeiten, Praxisbeispiele und Erfolgsbedingungen (2016)
    München : Oekom-Verl.
    Details
    Publication Date: 2022-02-18
    Description: Kommunen engagieren sich immer mehr energie- und klimapolitisch: Stadtwerke bauen Windparks, Gemeinden planen Kindertagesstätten in Passivhaus-Bauweise, installieren Solarstromanlagen auf ihren Dächern und beraten ihre Bürgerschaft zu Energiefragen. Philipp Schönberger gibt in seiner Studie einen systematischen Überblick über die Handlungsmöglichkeiten von Kommunen zum Ausbau erneuerbarer Energien. Er analysiert anhand von drei Fallstudien - zu den Städten Emden und Prenzlau und der Verbandsgemeinde Alzey-Land - die Erfolgsbedingungen kommunalpolitischer Maßnahmen und Strategien. Er zeigt, wie kommunale Energiewende-Politik durch ein Zusammenwirken vielfältiger Faktoren erfolgreich wird: Politische und wirtschaftliche Einflüsse spielen ebenso eine Rolle wie Pfadabhängigkeiten, Umweltbewusstsein und engagierte Einzelpersonen.
    Keywords: ddc:320
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
    Type: doctoralthesis , doc-type:doctoralThesis
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    Libro de Resumenes V Simposio Internacional de Ciencias del Mar Aliicante (Espana), 20-22 Julio 2016 (2016)
    Universidad de Alicante
    In:  [Proceedings]
    Details
    Publication Date: 2016-12-19
    Type: Proceedings , NonPeerReviewed , info:eu-repo/semantics/other
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    Magnetotellurics with magnetic observatory data affected by the ocean effect: Methodology and Results (2018)
    In:  Protokoll über das 27. Schmucker-Weidelt-Kolloquium für Elektromagnetische Tiefenforschung : Breklum, 25.-29. September 2017
    Details
    Publication Date: 2020-02-12
    Language: English
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    Meta-analysis of the costs of and demand for hydrogen in the transformation to a carbon-neutral economy : study commissioned by the North Rhine-Westphalian Renewable Energy Association (LEE NRW e. V.) (2023)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2023-10-25
    Description: The production of green hydrogen in Germany is more competitive than expected compared to imports. This is the key finding of a meta-analysis conducted by the Wuppertal Institute on behalf of the North Rhine-Westphalia Association for Renewable Energies (Landesverband Erneuerbare Energien NRW). The hydrogen study focuses primarily on the year 2030 and beyond - and confirms the advantages of green hydrogen produced in Germany from domestic renewable energies, especially when the evaluation is viewed from a holistic system perspective.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
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    Metaanalyse zu Wasserstoffkosten und -bedarfen für die CO2-neutrale Transformation : Studie für den Landesverband Erneuerbare Energien NRW e.V. (LEE NRW) (2023)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2023-06-27
    Description: Seit Veröffentlichung der vom Landesverband Erneuerbare Energien NRW beauftragten und durch das Wuppertal Institut durchgeführten Studie "Bewertung der Vor- und Nachteile von Wasserstoffimporten im Vergleich zur heimischen Erzeugung" Ende 2020 haben sich die Rahmenbedingungen für den Wasserstoffhochlauf in Deutschland zum Teil deutlich geändert. Darüber hinaus ist zwischenzeitlich eine Reihe von Klimaschutz- und Transformationsstudien erschienen, mit teilweise neuen und differenzierten Einschätzungen zu Wasserstoff-Kosten und -Entwicklungspfaden. Dazu gehören insbesondere die als "Big Five" der Klimaneutralitätsszenarien bezeichneten Publikationen sowie weitere, spezifische H2-Analysen. Vor diesem Hintergrund sind die Ziele der vorliegenden Studie: 1. Eine Aktualisierung der Metaanalyse der oben genannten Wasserstoff-Studie aus dem Jahr 2020 - bezogen auf Kosten- und Mengen-Bandbreiten für die zukünftige Produktion und Bereitstellung von grünem und, soweit möglich, blauem Wasserstoff für Deutschland. 2. Eine kritische Einordnung der absehbaren Wasserstoff-Nachfrage in Deutschland, welche von der Wahl der Nutzungssektoren abhängt. 3. Eine kritische Diskussion und Einordnung der künftigen Rolle von blauem Wasserstoff, also der Frage, ob und inwiefern er eine sinnvolle Übergangslösung zu grünem Wasserstoff darstellen könnte.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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    METEOR - Expeditionshefte (2015)
    Leitstelle Deutsche Forschungsschiffe
    In:  EPIC3Hamburg, Leitstelle Deutsche Forschungsschiffe
    Details
    Publication Date: 2015-11-09
    Repository Name: EPIC Alfred Wegener Institut
    Type: PANGAEA Documentation , notRev
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    Miscellanea (2015)
    Deutsches GeoForschungsZentrum GFZ
    In:  System Erde
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    Publication Date: 2022-01-28
    Language: German
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    Miscellanea (2016)
    Deutsches GeoForschungsZentrum GFZ
    In:  System Erde
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    Publication Date: 2022-01-28
    Language: German
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    Mit Wilhelm Filchner in das Weddellmeer. Paul Björvigs Tagebuch von der deutschen Antarktischen Expedition 1911 – 1912 (2024)
    Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung
    In:  EPIC3Berichte zur Polar- und Meeresforschung = Reports on polar and marine research, Bremerhaven, Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung, 783, 119 p., pp. 1-119, ISSN: 1866-3192
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    Publication Date: 2024-05-15
    Repository Name: EPIC Alfred Wegener Institut
    Type: "Berichte zur Polar- und Meeresforschung" , notRev
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    Mobilitätssuffizienz : Grundlagen, Messung, Förderung (2018)
    München : Oekom-Verl.
    Details
    Publication Date: 2022-02-18
    Description: Suffizientes Mobilitätsverhalten funktioniert im Alltag und kann die Treibhausgasemissionen unserer Alltagsmobilität heute schon um fast zwei Drittel senken - dies ist das ermutigende Ergebnis einer Fallstudie mit 32 Erwachsenen. Durch Effizienz- und Konsistenzstrategien dagegen konnten Treibhausgasemissionen im Verkehrsbereich in Deutschland bisher nicht gesenkt werden. Demgegenüber kann Suffizienz - durch ein verändertes Konsumverhalten und einen dadurch verringerten Ressourcenaufwand und Umweltverbrauch - die Schädigung der Umwelt deutlich reduzieren. Markus Profijt definiert in seiner Studie erstmals, wie die Mobilitätssuffizienz und die dafür geeigneten Handlungsoptionen gemessen werden können. Die Ergebnisse seiner empirischen Pilotstudie zeigen, wie die Mobilitätsbedürfnisse und das Mobilitätsverhalten suffizient handelnder Personen aussehen. Aus seinen Analyseergebnissen entwickelt er Handlungsempfehlungen für die kommunale Praxis zur Förderung der Mobilitätssuffizienz.
    Keywords: ddc:300
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
    Type: doctoralthesis , doc-type:doctoralThesis
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    [Neue Nr. 4124] Dassel / Geologische Karte (2018)
    Kraatz, Berlin
    In:  SUB Göttingen | KART B 140:4124;KART H 140:Dassel
    Details
    Publication Date: 2021-06-02
    Description: Geologische Karte 1: 25 000 mit Erläuterungen. Digitalisat des FID GEO (Fachinformationsdienst Geowissenschaften der festen Erde), erstellt durch das GDZ (Göttinger Digitalisierungszentrum), Karte aus dem Bestand der SUB Göttingen. GeoTIFF erstellt durch FID GEO, SUB Göttingen.
    Description: map
    Description: DFG, SUB Göttingen
    Keywords: 912 ; 554.3 ; GeoTIFF ; Geologische Karte ; Dassel ; FID-GEO-DE-7
    Language: German
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    [Neue Nr. 4224] Lauenberg / Geologische Karte (2018)
    Kraatz, Berlin
    In:  SUB Göttingen | KART B 140:4224;KART H 140:Lauenberg
    Details
    Publication Date: 2021-06-02
    Description: Geologische Karte 1: 25 000 mit Erläuterungen. Digitalisat des FID GEO (Fachinformationsdienst Geowissenschaften der festen Erde), erstellt durch das GDZ (Göttinger Digitalisierungszentrum), Karte aus dem Bestand der SUB Göttingen. GeoTIFF erstellt durch FID GEO, SUB Göttingen.
    Description: map
    Description: DFG, SUB Göttingen
    Keywords: 912 ; 554.3 ; GeoTIFF ; Geologische Karte ; Lauenberg ; FID-GEO-DE-7
    Language: German
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    Numerischer Homogenisierungsansatz zur Bestimmung mechanischer Gesteinsparameter anhand der mineralogischen Zusammensetzung (2017)
    In:  Vorträge
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    Publication Date: 2020-02-12
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    Optionen für den Import grünen Wasserstoffs nach Deutschland bis zum Jahr 2030 : Transportwege - Länderbewertungen - Realisierungserfordernisse (2022)
    München : acatech - Deutsche Akademie der Technikwissenschaften
    Details
    Publication Date: 2023-03-24
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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    Publikationsprozesse für Forschungsdaten mit PubFlow : von der Erhebung und Verarbeitung zur Archivierung und Publikation (2017)
    Christian-Albrechts-Universität zu Kiel. Institut für Informatik
    In:  Bericht / Institut für Informatik der Christian-Albrechts-Universität zu Kiel, 1704 . Christian-Albrechts-Universität zu Kiel. Institut für Informatik, Kiel, Germany, pp. 1-20, 20 pp.
    Details
    Publication Date: 2020-08-06
    Description: Project report. Die Ergebnisse des DFG-geförderten Projektes PubFlow werden präsentiert. PubFlow zielt darauf ab, Publikationsprozesse für Forschungs- daten von der Erhebung und der Verarbeitung bis hin zur Archivierung und Publikation zu unterstützen. Die exemplarische Implementierung von PubFlow orientiert sich an etablierten Arbeitsabläufen des Forschungsdatenmanagements in den Meereswissenschaften.
    Type: Report , NonPeerReviewed
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    Recent inorganic carbon increase in a temperate estuary driven by water quality improvement and enhanced by droughts (2023)
    Copernicus Publications (EGU)
    Details
    Publication Date: 2024-03-08
    Description: Estuaries are an important contributor to the global carbon budget, facilitating carbon removal, transfer, and transformation between land and the coastal ocean. Estuaries are susceptible to global climate change and anthropogenic perturbations. We find that a long-term significant mid-estuary increase in dissolved inorganic carbon (DIC) of 6–21 µmol kg−1 yr−1 (1997–2020) in a temperate estuary in Germany (Elbe Estuary) was driven by an increase in upper-estuary particulate organic carbon (POC) content of 8–14 µmol kg−1 yr−1. The temporal POC increase was due to an overall improvement in water quality observed in the form of high rates of primary production and a significant drop in biological oxygen demand. The magnitude of mid-estuary DIC gain was equivalent to the increased POC production in the upper estuary, suggesting that POC is effectively remineralized and retained as DIC in the mid-estuary, with the estuary acting as an efficient natural filter for POC. In the context of this significant long-term DIC increase, a recent extended drought period (2014–2020) significantly lowered the annual mean river discharge (468 ± 234 m3 s−1) compared to the long-term mean (690 ± 441 m3 s−1, 1960–2020), while the late spring internal DIC load in the estuary doubled. The drought induced a longer dry season, starting in May (earlier than normal), increased the residence time in the estuary and allowed for a more complete remineralization period of POC. Annually, 77 %–94 % of the total DIC export was laterally transported to the coastal waters, reaching 89 ± 4.8 Gmol C yr−1, and thus, between 1997 and 2020, only an estimated maximum of 23 % (10 Gmol C yr−1) was released via carbon dioxide (CO2) evasion. Export of DIC to coastal waters decreased significantly during the drought, on average by 24 % (2014–2020: 38 ± 5.4 Gmol C yr−1), compared to the non-drought period. In contrast, there was no change in the water–air CO2 flux during the drought. We have identified that seasonal changes in DIC processing in an estuary require consideration when estimating both the long-term and future changes in water–air CO2 flux and DIC export to coastal waters. Regional and global carbon budgets should therefore take into account carbon cycling estimates in estuaries, as well as their changes over time in relation to impacts of water quality changes and extreme hydrological events.
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    Report on the nature and types of driver interactions including their potential future (2016)
    EU Bonusprojekt BIO-C3
    In:  BIO-C3 Deliverable, D3.2 . EU Bonusprojekt BIO-C3, 110 pp.
    Details
    Publication Date: 2019-03-11
    Description: The Baltic Sea is a dynamic environment responding to various drivers operating at different temporal and spatial scales. In response to climate change, the Baltic Sea is warming and the frequency of extreme climatic events is increasing (Lima & Wethey 2012, BACC 2008, Poloczanska et al. 2007). Coastal development, human population growth and globalization intensify stressors associated with human activities, such as nutrient loading, fisheries and proliferation of invasive and bloom-forming species. Such abrupt changes have unforeseen consequences for the biodiversity and the function of food webs and may result in loss of ecological key species, alteration and fragmentation of habitats. To mitigate undesired effects on the Baltic ecosystem, an efficient marine management will depend on the understanding of historical and current drivers, i.e. physical and chemical environmental conditions and human activities that precipitate pressures on the natural environment. This task examined a set of key interactions of selected natural and anthropogenic drivers in space and time, identified in Task 3.1 as well as WP1 and WP2 (e.g. physico-chemical features vs climate forcing; eutrophication vs oxygen deficiency vs bio-invasions; fisheries vs climate change impacts) by using overlay-mapping and sensitivity analyses. The benthic ecosystem models developed under Task 2.1 were used to investigate interactions between sea temperature and eutrophication for various depth strata in coastal (P9) and offshore areas (P1) of the Baltic Sea. This also included investigation on how the frequency and magnitude of deep-water inflow events determines volume and variance of salinity and temperature under the halocline, deep-water oxygen levels and sediment fluxes of nutrients, using observations and model results from 1850 to present (P1, P2, P6, P9, P12). The resulting synthesis on the nature and magnitude of different driver interactions will feed into all other tasks of this WP3 and WP2/WP4. Moreover, the results presented in this report improve the process-based and mechanistic understanding of environmental change in the Baltic Sea ecosystem, thereby fostering the implementation of the Marine Strategy Framework Directive.
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    Structural elucidation and quantification of novel toxins in marine microalgae by NMR- and molecular modelling-based techniques (2019)
    In:  EPIC3196 p.
    Details
    Publication Date: 2020-07-01
    Repository Name: EPIC Alfred Wegener Institut
    Type: Thesis , notRev
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    System controls of coastal and open ocean oxygen depletion (2021)
    Elsevier
    Details
    Publication Date: 2024-02-07
    Description: Highlights: • The epoch of the Anthropocene, a period during which human activity has been the dominant influence on climate and the environment, has witnessed a decline in oxygen concentrations and an expansion of oxygen-depleted environments in both coastal and open ocean systems since the middle of the 20th century. • This review paper provides a synthesis of system-specific drivers of low oxygen in a range of case studies representing marine systems in the open ocean, on continental shelves, in enclosed seas and in the coastal environment. • Identification of similar and contrasting responses within and across system types and corresponding oxygen regimes is shown to be informative both in understanding and isolating key controlling processes and provides a sound basis for predicting change under anticipated future conditions. • Case studies were selected to achieve a balance in system diversity and global coverage. • Each case study describes system attributes, including the present-day oxygen environment and known trends in oxygen concentrations over time. • Central to each case study is the identification of the physical and biogeochemical processes that determine oxygen concentrations through the tradeoff between ventilation and respiration. • Spatial distributions of oxygen and time series of oxygen data provide the opportunity to identify trends in oxygen availability and have allowed various drivers of low oxygen to be distinguished through correlative and causative relationships. • Deoxygenation results from a complex interplay of hydrographic and biogeochemical processes and the superposition of these processes, some additive and others subtractive, makes attribution to any particular driver challenging. • System-specific models are therefore required to achieve a quantitative understanding of these processes and of the feedbacks between processes at varying scales. Abstract: The epoch of the Anthropocene, a period during which human activity has been the dominant influence on climate and the environment, has witnessed a decline in oxygen concentrations and an expansion of oxygen-depleted environments in both coastal and open ocean systems since the middle of the 20th century. This paper provides a review of system-specific drivers of low oxygen in a range of case studies representing marine systems in the open ocean, on continental shelves, in enclosed seas and in the coastal environment. Identification of similar and contrasting responses within and across system types and corresponding oxygen regimes is shown to be informative both in understanding and isolating key controlling processes and provides a sound basis for predicting change under anticipated future conditions. Case studies were selected to achieve a balance in system diversity and global coverage. Each case study describes system attributes, including the present-day oxygen environment and known trends in oxygen concentrations over time. Central to each case study is the identification of the physical and biogeochemical processes that determine oxygen concentrations through the tradeoff between ventilation and respiration. Spatial distributions of oxygen and time series of oxygen data provide the opportunity to identify trends in oxygen availability and have allowed various drivers of low oxygen to be distinguished through correlative and causative relationships. Deoxygenation results from a complex interplay of hydrographic and biogeochemical processes and the superposition of these processes, some additive and others subtractive, makes attribution to any particular driver challenging. System-specific models are therefore required to achieve a quantitative understanding of these processes and of the feedbacks between processes at varying scales.
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    System Erde : Schwerpunkt Geo-Bio-Wechselwirkungen im System Erde (2015)
    Deutsches GeoForschungsZentrum GFZ
    Details
    Publication Date: 2020-02-12
    Language: German
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    Technologien für die Energiewende - Technologiebericht Band 2 : Teilbericht 2 zum Teilprojekt A im Rahmen des strategischen BMWi-Leitprojekts "Trends und Perspektiven der Energieforschung" (2018)
    Wuppertal : Wuppertal Institut für Klima, Umwelt, Energie
    Details
    Publication Date: 2022-11-10
    Description: Der Teilbericht 2 enthält alle 31 Technologieberichte, die im Forschungsvorhaben "Technologien für die Energiewende" erstellt wurden. Für jedes Technologiefeld wird der Entwicklungsstatus und der Bedarf an Forschung und Entwicklung dargestellt. Die Bewertung erfolgte mittels 12 Bewertungskriterien, die nach dem klimapolitischen und energiewirtschaftlichen Beitrag der jeweiligen Technologien fragen, die Positionierung deutscher Unternehmen im internationalen Kontext betrachten sowie die Systemkompatibilität bewerten. Hinzu kommen Aspekte der gesellschaftlichen Akzeptanz sowie des Standes von F&E im internationalen Vergleich. Band 2 enthält die Technologieberichte aus den Bereichen Sektorenkopplung, Energie- und Ressourceneffizienz in Gebäuden sowie in der Industrie und integrative Aspekte.
    Keywords: ddc:600
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: German
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    The botanical exploration of Angola by Germans during the 19th and 20th centuries, with biographical sketches and notes on collections and herbaria (2020)
    Naturalis Biodiversity Center
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 65 no. 2, pp. 126-161
    Details
    Publication Date: 2024-06-06
    Description: A catalogue of 29 German individuals who were active in the botanical exploration of Angola during the 19th and 20th centuries is presented. One of these is likely of Swiss nationality but with significant links to German settlers in Angola. The catalogue includes information on the places of collecting activity, dates on which locations were visited, the whereabouts of preserved exsiccata, maps with itineraries, and biographical information on the collectors. Initial botanical exploration in Angola by Germans was linked to efforts to establish and expand Germany’s colonies in Africa. Later exploration followed after some Germans had settled in the country. However, Angola was never under German control. The most intense period of German collecting activity in this south-tropical African country took place from the early-1870s to 1900. Twenty-four Germans collected plant specimens in Angola for deposition in herbaria in continental Europe, mostly in Germany. Five other naturalists or explorers were active in Angola but collections have not been located under their names or were made by someone else. A further three collectors, who are sometimes cited as having collected material in Angola but did not do so, are also briefly discussed
    Keywords: Plant Science ; Ecology ; Evolution ; Behavior and Systematics ; Angola ; botanical exploration ; German explorers ; plant collections
    Repository Name: National Museum of Natural History, Netherlands
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    The diversity of ice algal communities on the Greenland Ice Sheet as revealed by oligotyping (2018)
    In:  Microbial Genomics
    Details
    Publication Date: 2020-02-12
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    The Geodesist’s Handbook 2016 (2016)
    In:  Journal of Geodesy
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    Publication Date: 2020-02-12
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    The microbiome of glaciers and ice sheets (2017)
    In:  npj Biofilms and Microbiomes
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    Publication Date: 2020-02-12
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    The Mixoplankton Database (MDB): Diversity of photo‐phago‐trophic plankton in form, function, and distribution across the global ocean (2023)
    Wiley
    In:  EPIC3Journal of Eukaryotic Microbiology, Wiley, 70(4), pp. e12972-e12972, ISSN: 1066-5234
    Details
    Publication Date: 2024-03-21
    Description: Protist plankton are major members of open-water marine food webs. Traditionally divided between phototrophic phytoplankton and phagotrophic zooplankton, recent research shows many actually combine phototrophy and phagotrophy in the one cell; these protists are the “mixoplankton.” Under the mixoplankton paradigm, “phytoplankton” are incapable of phagotrophy (diatoms being exemplars), while “zooplankton” are incapable of phototrophy. This revision restructures marine food webs, from regional to global levels. Here, we present the first comprehensive database of marine mixoplankton, bringing together extant knowledge of the identity, allometry, physiology, and trophic interactivity of these organisms. This mixoplankton database (MDB) will aid researchers that confront difficulties in characterizing life traits of protist plankton, and it will benefit modelers needing to better appreciate ecology of these organisms with their complex functional and allometric predator–prey interactions. The MDB also identifies knowledge gaps, including the need to better understand, for different mixoplankton functional types, sources of nutrition (use of nitrate, prey types, and nutritional states), and to obtain vital rates (e.g. growth, photosynthesis, ingestion, factors affecting photo’ vs. phago’ -trophy). It is now possible to revisit and re-classify protistan “phytoplankton” and “zooplankton” in extant databases of plankton life forms so as to clarify their roles in marine ecosystems.
    Repository Name: EPIC Alfred Wegener Institut
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    The need to account for cell biology in characterizing predatory mixotrophs in aquatic environments (2019)
    Royal Society of London
    In:  Philosophical Transactions of the Royal Society B: Biological Sciences, 374 (1786). Art. Nr. 20190090.
    Details
    Publication Date: 2022-01-31
    Description: Photosynthesis in eukaryotes first arose through phagocytotic processes wherein an engulfed cyanobacterium was not digested, but instead became a permanent organelle. Other photosynthetic lineages then arose when eukaryotic cells engulfed other already photosynthetic eukaryotic cells. Some of the resulting lineages subsequently lost their ability for phagocytosis, while many others maintained the ability to do both processes. These mixotrophic taxa have more complicated ecological roles, in that they are both primary producers and consumers that can shift more towards producing the organic matter that forms the base of aquatic food chains, or towards respiring and releasing CO2. We still have much to learn about which taxa are predatory mixotrophs as well as about the physiological consequences of this lifestyle, in part, because much of the diversity of unicellular eukaryotes in aquatic ecosystems remains uncultured. Here, we discuss existing methods for studying predatory mixotrophs, their individual biases, and how single-cell approaches can enhance knowledge of these important taxa. The question remains what the gold standard should be for assigning a mixotrophic status to ill-characterized or uncultured taxa—a status that dictates how organisms are incorporated into carbon cycle models and how their ecosystem roles may shift in future lakes and oceans.
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    Uncovering hidden biodiversity in the Cryptophyta: Clone library studies at the Helgoland Time Series Site in the Southern German Bight indentifies the cryptophycean clade potentially responsible for the majority of its genetic diversity during the spring bloom. (2017)
    In:  EPIC3Vie et Millieu - Life and Environment, (67), pp. 27-32
    Details
    Publication Date: 2019-07-17
    Description: Cryptophyceae are important group in marine phytoplankton, but little is known about the occurrence and distribution of individual species. Recently, with use of molecular probes and microarray technology, it has been shown that species related to teleaulax spp. or Chroomonas spp. (clades 4 or 6) contributed the most to cryptophycean biomass in the north Sea. for the microarray study, the single probe (clade 4/6) recognizes members of both clades 4 and 6 and thus cannot separate them. Therefore, it was unknown as to whether the cryptophyte community was composed of clade 4, clade 6 or both of them. Here, we addressed this question and increased the genetic diversity of our investigations of cryptophycean diversity in the north Sea by sequencing 18S rRnA clone libraries made from fractionated water samples to examine specifically the picoplanktonic fraction because that fraction was studied in detail in the earlier microarray study. We focused on samples from the spring phytoplankton bloom in 2004 because the microarray signals were the strongest at this time. Excluding chimeric sequences, we detect- ed nine cryptophycean oTUs, seven of which fell into the teleaulax/Plagioselmis branch, whereas two grouped with Geminigera spp. our results indicate that these oTUs, affiliated with clade 4, may be an important component of cryptophyte community during spring bloom in the north Sea
    Repository Name: EPIC Alfred Wegener Institut
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    Validity of archaeomagnetic field recording: an experimental pottery kiln at Coppengrave, Germany (2016)
    In:  Geophysical Journal International
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    Publication Date: 2020-02-12
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    Walther Bruns und die Aeroarctic (2018)
    Alfred Wegener Institute for Polar and Marine Research & German Society of Polar Research
    In:  EPIC3Polarforschung, Bremerhaven, Alfred Wegener Institute for Polar and Marine Research & German Society of Polar Research, 88(1), pp. 7-21, ISSN: 00322490
    Details
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
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    Weekly report - Maria S. Merian (2015)
    Leitstelle Deutsche Forschungsschiffe
    In:  EPIC3Hamburg, Leitstelle Deutsche Forschungsschiffe
    Details
    Publication Date: 2016-01-05
    Repository Name: EPIC Alfred Wegener Institut
    Type: PANGAEA Documentation , notRev
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    World Ocean Review : The Arctic and Antarctic - extreme, climatically crucial and in crisis (2019)
    Maribus
    Details
    Publication Date: 2024-03-14
    Description: This sixth World Ocean Review (WOR) focuses on the Arctic and the Antarctic – two regions which are, in a very real sense, polar opposites, with some of the world’s most extreme conditions. Besides presenting a wealth of facts and figures about the history and exploration of the polar regions, WOR 6 builds a deeper awareness of their key role for life on our planet. It highlights the changes that can be observed in their flora and fauna and analyses the already dramatic impacts of global warming on these extremely fragile regions.
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    World ocean review: Arktis und Antarktis – extrem, klimarelevant, gefährdet (2019)
    Maribus
    Details
    Publication Date: 2024-03-14
    Description: Die sechste Ausgabe des „World Ocean Review“ (WOR) widmet sich der Arktis und Antarktis, diesen zwei extremen und ausgesprochen gegensätzlichen Regionen der Erde. Mit profunden Informationen zur Entstehungs- und Entdeckungsgeschichte bietet der WOR 6 ein tiefes Verständnis der Bedeutung der Pole für das Leben auf unserer Erde. Er zeigt zudem die zu beobachtenden Veränderungen in der Tier-und Pflanzenwelt und analysiert die zum Teil schon dramatischen Folgen, die der Klimawandel in diesen äußerst gefährdeten Regionen bewirkt.
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    World Squid Fisheries (2015)
    Taylor & Francis
    In:  Reviews in Fisheries Science and Aquaculture, 23 (2). pp. 92-252.
    Details
    Publication Date: 2019-01-23
    Description: Some 290 species of squids comprise the order Teuthida that belongs to the molluscan Class Cephalopoda. Of these, about 30-40 squid species have substantial commercial importance around the world. Squid fisheries make a rather small contribution to world landings from capture fisheries relative to that of fish, but the proportion has increased steadily over the last decade, with some signs of recent leveling off. The present overview describes all substantial squid fisheries around the globe. The main ecological and biological features of exploited stocks, and key aspects of fisheries management are presented for each commercial species of squid worldwide. The history and fishing methods used in squid fisheries are also described. Special attention has been paid to interactions between squid fisheries and marine ecosystems including the effects of fishing gear, the role of squid in ecosystem change induced by overfishing on groundfish, and ecosystem-based fishery management.
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    XXVI General Assembly : 22 June - 2 July 2015 ; Prague, Czech Republic (2015)
    IUGG Secretariat, KIT Karlsruhe Institute of Technology
    Details
    Publication Date: 2020-02-12
    Language: English
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    YOUMARES 8 – Oceans Across Boundaries: Learning from each other (2018)
    Springer
    In:  EPIC3Cham, Springer, 259 p., ISBN: 978-3-319-93284-2
    Details
    Publication Date: 2020-06-12
    Description: This open access book presents the proceedings volume of the YOUMARES 8 conference, which took place in Kiel, Germany, in September 2017, supported by the German Association for Marine Sciences (DGM). The YOUMARES conference series is entirely bottom-up organized by and for YOUng MARine RESearchers. Qualified early career scientists moderated the scientific sessions during the conference and provided literature reviews on aspects of their research field. These reviews and the presenters’ conference abstracts are compiled here. Thus, this book discusses highly topical fields of marine research and aims to act as a source of knowledge and inspiration for further reading and research.
    Repository Name: EPIC Alfred Wegener Institut
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    YOUMARES 8 – Oceans Across Boundaries: Learning from each other: Proceedings of the 2017 conference for YOUng MARine RESearchers in Kiel, Germany (2018)
    Springer
    In:  , ed. by Jungblut, S., Lieblich, V. and Bode, M. Springer, Cham, Switzerland, 251 pp. ISBN 978-3-319-93284-2
    Details
    Publication Date: 2021-02-08
    Description: This open access book presents the proceedings volume of the YOUMARES 8 conference, which took place in Kiel, Germany, in September 2017, supported by the German Association for Marine Sciences (DGM). The YOUMARES conference series is entirely bottom-up organized by and for YOUng MARine RESearchers. Qualified early career scientists moderated the scientific sessions during the conference and provided literature reviews on aspects of their research field. These reviews and the presenters’ conference abstracts are compiled here. Thus, this book discusses highly topical fields of marine research and aims to act as a source of knowledge and inspiration for further reading and research.
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