136 Works

Dive track profile, intermandibular angel sensor profile and immobilisation data of adult female Weddell seals at Drescher Inlet from expedition DRE2003, supplement to: Liebsch, Nikolai S; Wilson, Rory P; Bornemann, Horst; Adelung, Dieter; Plötz, Joachim (2007): Mouthing off about fish capture: Jaw movement in pinnipeds reveal the real secrets of ingestion. Deep Sea Research Part II: Topical Studies in Oceanography, 54(3-4), 256-269

Nikolai S Liebsch, Rory P Wilson, Horst Bornemann, Yuuki Watanabe, Dieter Adelung & Joachim Plötz
Determination of when and where animals feed and how much they consume is fundamental to understand their ecology and role in ecosystems. However, the lack of reliable data on feeding habits of wild animals, and particularly in marine endotherms, attests to the difficulty in doing this. A promising recent development proposes using a Hall sensor-magnet System - the inter-mandibular angle sensor (IMASEN) attached to animals' jaws to elucidate feeding events. We conducted trials on captive...

Sea bed photographs of the Remote Operated Vehicle SPRINT from the shelf west of Spitzbergen along 25 profiles during cruise Heincke 153

Julian Gutt
This dataset presents sea bed photographs from the shelf west of Spitzbergen along 25 profiles during cruise Heincke 153.

Sediment composition and stable isotopic ratio of Neogloboquadrina pachyderma from DSDP Site 94-609_Site, North Altlantic, supplement to: Bond, Gerard C; Broecker, Wallace S; Lotti, Rusty; McManus, Jerry F (1992): Abrupt color changes in isotope stage 5 in North Atlantic deep sea cores: implications for rapid change of climate-driven events. In: Kukla, G J & Went, E (eds.), Start of Glacial. Global Environmental Change, NATO ASI Series I, Vol. 3, Springer, Berlin, Heidelberg, New York, 3, 185-205

Gerard C Bond, Wallace S Broecker, Rusty Lotti & Jerry F McManus
Digitized records of optical desnity in many North Atlantic cores exihibt rapid changes from lighter to darker extrems, typically within less than 200 years, at the 5d/5e, 5b/5c and 4/5 boundaries. In cores from DSDP site 609 the changes from lighter to darker color coincide with increasing in relative abundance of Neogloboquadrina pachyderma (l.c.), with increases in abundances of lithic grains and with decreasing in carbonate content. The rapid changes to dark color, therefore, are...

Barents and Kara Seas oceanographic data base (BarKode)

Valery A Golubev, Aleksey N Zuyev & Christoph Oelke
Oceanographic data collected by ocean research organisations in Russia, the USA, the United Kingdom, Germany, Norway, and Poland for the Barents, Kara and White Seas region are presented in this atlas. Recently declassified naval data from Norway, the USA, and the UK are also included. More than 1,000,000 oceanographic stations containing temperature and/or sea-water salinity data were originally selected. After correcting errors and eliminating duplicates, data from 206,300 checked stations were placed on CD-ROM, together...

Thick-section images of the EPICA-Dronning-Maud-Land (EDML) ice core

Sepp Kipfstuhl
This data set consists of 3.5 Million images with a total size of 313 GByte.

Geochemical analysis of sediments from three coring sites in the Mediterranean, supplement to: Hübner, Andreas; de Lange, Gert Jan; Dittmer, J; Halbach, Peter (2003): Geochemistry of an exotic sediment layer above sapropel S-1: mud expulsion from the Urania Basin, eastern Mediterranean? Marine Geology, 197(1-4), 49-61

Andreas Hübner, Gert Jan de Lange, J Dittmer & Peter Halbach
In a gravity core from the eastern Mediterranean Sea, a chemically and mineralogically distinct, 5.5-cm-thick layer is present above sapropel S-1 and overlain by hemipelagic marls. Calcite is completely absent in this exotic layer, dolomite is present only in small amounts, and the Cr concentrations are significantly enhanced. The layer was deposited primarily under reducing conditions, but the distributions of redox-sensitive elements show that a large part of the exotic layer is now oxidised by...

Methane and stable isotope record of ice core EDML from Dronning Maud Land, Antarctica, supplement to: Barbante, Carlo; Barnola, Jean-Marc; Becagli, Silvia; Beer, Jürg; Bigler, Matthias; Boutron, Claude F; Blunier, Thomas; Castellano, Emiliano; Cattani, Olivier; Chappellaz, Jérôme A; Dahl-Jensen, Dorthe; Debret, Maxime; Delmonte, Barbara; Dick, Dorothee; Falourd, Sonia; Faria, Sérgio H; Federer, Urs; Fischer, Hubertus; Freitag, Johannes; Frenzel, Andreas; Fritzsche, Diedrich; Fundel, Felix; Gabrielli, Paolo; Gaspari, Vania; Gersonde, Rainer; Graf, Wolfgang; Grigoriev, Dimitri; Hamann, Ilka; Hansson, Margareta E; Hoffmann, Georg; Hutterli, Manuel A; Huybrechts, Philippe; Isaksson, Elisabeth; Johnsen, Sigfus J; Jouzel, Jean; Kaczmarska, Marzena; Karlin, Torbjörn; Kaufmann, Patrik R; Kipfstuhl, Sepp; Kohno, Mika; Lambert, Fabrice; Lambrecht, Anja; Lambrecht, Astrid; Landais, Amaelle; Lawer, Gunther; Leuenberger, Markus C; Littot, Geneviève C; Loulergue, Laetitia; Lüthi, Dieter; Maggi, Valter; Marino, Federica; Masson-Delmotte, Valerie; Meyer, Hanno; Miller, Heinz; Mulvaney, Robert; Narcisi, Biancamaria; Oerlemans, Johannes; Oerter, Hans; Parrenin, Frédéric; Petit, Jean-Robert; Raisbeck, Grant M; Raynaud, Dominique; Röthlisberger, Regine; Ruth, Urs; Rybak, Oleg; Severi, Mirko; Schmitt, Jochen; Schwander, Jakob; Siegenthaler, Urs; Siggaard-Andersen, Marie-Louise; Spahni, Renato; Steffensen, Jørgen Peder; Stenni, Barbara; Stocker, Thomas F; Tison, Jean-Louis; Traversi, Rita; Udisti, Roberto; Valero-Delgado, Fernando; van den Broeke, Michiel R; van de Wal, Roderik S W; Wagenbach, Dietmar; Wegner, Anna; Weiler, Karin; Wilhelms, Frank; Winther, Jan-Gunnar; Wolff, Eric W (2006): One-to-one coupling of glacial climate variability in Greenland and Antarctica. Nature, 444, 195-198

EPICA Community Members
Precise knowledge of the phase relationship between climate changes in the two hemispheres is a key for understanding the Earth's climate dynamics. For the last glacial period, ice core studies have revealed strong coupling of the largest millennial-scale warm events in Antarctica with the longest Dansgaard–Oeschger events in Greenland through the Atlantic meridional overturning circulation. It has been unclear, however, whether the shorter Dansgaard–Oeschger events have counterparts in the shorter and less prominent Antarctic temperature...

Climatological observations from ship logbooks between 1750 and 1854 (release 2.1)

Philip D Jones, Dennis A Wheeler, Gunther P Können, Frits B Koek, Maria del Rosario Prieto & Ricardo García-Herrera
The Climatological Database for the World's Oceans: 1750-1854 (CLIWOC) project, which concluded in 2004, abstracted more than 280,000 daily weather observations from ships' logbooks from British, Dutch, French, and Spanish naval vessels engaged in imperial business in the eighteenth and nineteenth centuries. These data, now compiled into a database, provide valuable information for the reconstruction of oceanic wind field patterns for this key period that precedes the time in which anthropogenic influences on climate became...

Static GPS measurements and elevation model in the vicinity of the EDML deep-drilling site, supplement to: Wesche, Christine; Eisen, Olaf; Oerter, Hans; Schulte, Daniel; Steinhage, Daniel (2007): Surface topography and ice flow in the vicinity of EDML deep-drilling site. Journal of Glaciology, 53(182), 442-448

Christine Wesche, Olaf Eisen, Hans Oerter, Daniel Schulte & Daniel Steinhage
Interpretation of ice-core records requires accurate knowledge of the past and present surface topography and stress-strain fields. The European Project for Ice Coring in Antarctica (EPICA) drilling site (0.0684° E and 75.0025° S, 2891.7 m) in Dronning Maud Land, Antarctica, is located in the immediate vicinity of a transient and splitting ice divide. A digital elevation model is determined from the combination of kinematic GPS measurements with the GLAS12 data sets from the ICESat satellite....

Chronology for the EDML ice core from Dronning Maud Land, Antarctica, over the last 150 000 years, supplement to: Ruth, Urs; Barnola, Jean-Marc; Beer, Jürg; Bigler, Matthias; Blunier, Thomas; Castellano, Emiliano; Fischer, Hubertus; Fundel, Felix; Huybrechts, Philippe; Kaufmann, Patrik R; Kipfstuhl, Sepp; Lambrecht, Anja; Morganti, Andrea; Oerter, Hans; Parrenin, Frédéric; Rybak, Oleg; Severi, Mirko; Udisti, Roberto; Wilhelms, Frank; Wolff, Eric W (2007): EDML1: a chronology for the EPICA deep ice core from Dronning Maud Land, Antarctica, over the last 150 000 years. Climate of the Past, 3, 475-484

Urs Ruth, Jean-Marc Barnola, Jürg Beer, Matthias Bigler, Thomas Blunier, Emiliano Castellano, Hubertus Fischer, Felix Fundel, Philippe Huybrechts, Patrik R Kaufmann, Sepp Kipfstuhl, Anja Lambrecht, Andrea Morganti, Frédéric Parrenin, Oleg Rybak, Mirko Severi, Roberto Udisti, Frank Wilhelms & Eric W Wolff
A chronology called EDML1 has been developed for the EPICA ice core from Dronning Maud Land (EDML). EDML1 is closely interlinked with EDC3, the new chronology for the EPICA ice core from Dome-C (EDC) through a stratigraphic match between EDML and EDC that consists of 322 volcanic match points over the last 128 ka. The EDC3 chronology comprises a glaciological model at EDC, which is constrained and later selectively tuned using primary dating information from...

Meiofauna and the structure of the benthic community in the Iberian deep sea basin, supplement to: Thiel, Hjalmar (1972): Meiofauna und Struktur der benthischen Lebensgemeinschaft des Iberischen Tiefseebeckens. Meteor Forschungsergebnisse, Deutsche Forschungsgemeinschaft, Reihe D Biologie, Gebrüder Bornträger, Berlin, Stuttgart, D12, 36-51

Hjalmar Thiel
1. On the cruises 3 and 15 of R.V. "Meteor" 6 grab samples, and 6 hauls with the 6 m Agassiztrawl were taken and at 2 stations the deep sea camera was lowered. This material gave quantitative results on the meiofauna and minimum counts of the macrofauna.2. The nematodes constitute nearly 95% of the meiofauna, the copepoda only 2%. With increasing sediment depth the density of animals decrease gradually. In the uppermost centimeter of sediment...

AWI Bathymetric Chart of the Fram Strait (BCFS) (Scale 1:100,000)

Martin Klenke & Hans Werner Schenke
Based on data from R/V Polarstern multibeam sonar surveys between 1984 and 1997 a high resolution bathymetry has been generated for the central Fram Strait. The area ensonified covers approx. 36,500 sqkm between 78°N - 80°N and 0°E - 7.5°E. Basic outcome of the investigation is a Digital Terrain Model (DTM) with 100 m grid spacing which was utilized for contouring and generation of a new series of bathymetric charts at a scale of 1:100,000,...

Oceanographic data set from 9 cruises and 1162 CTD/bottle stations of the Overflow/ICES project in 1960

Overflow '60/ICES & J B Tait
Overflow '60 was an ICES investigation of cold, sub-arctic, deep water overspill into the North Atlantic Ocean from the Iceland-Faroe Ridge. It was designed as a corollary to the Polar Front Survey investigations of the International Geophysical Year, and was carried out from 30 May to 18 June 1960, under the leadership of J. B. Tait.Central to the project was the coordination of 9 research ships in a small region to reach a maximum of...

The socio-economic impact of ENSO-related climate variability on rural households in Central Sulawesi, Indonesia

Alwin Keil
Data were collected in in the province of Central Sulawesi, Indonesia, in the villages of Maranata, Sidondo II, Pandere, Sintuwu, Berdikari, Nopu (Bulili), Bolapapu, and Tomado. They include information on El Nino-related drought periods experienced by 228 randomly selected farm households, and associated ex-ante mitigation and ex-post coping measures.

Physical oceanographic profiles of 21 CTD casts during Meteor cruise M16/2 in 1991 from the equatorial Atlantic

Horst D Schulz
A memory CTD type Sea-Bird was deployed together with each box corer attached to the same wire about 10 m above the corer.

Section A16 with 272 oceanographic profiles on a north-south transect through the Atlantic

WHP WOCE Hydrographic Programme
This datasets represents WOCE section A16 with 272 oceanographic profiles on a north-south transect through the Atlantic.

Major element composition of phenocrysts from the volcanic basement of ODP Hole 125-786B, Izu forearc region, Philippine Sea, supplement to: Haraguchi, Satoru; Ishii, Teruaki (2007): Simultaneous boninitic and arc-tholeiitic volcanisms in the Izu forearc region during early arc volcanism, based on ODP Leg 125 Site 786. Contributions to Mineralogy and Petrology, 153, 509-531

Satoru Haraguchi & Teruaki Ishii
Early arc volcanism during Eocene to Oligocene in the Izu forearc region was investigated during ODP Legs 125 and 126 in 1989, and effusive and intrusive volcanics were recovered from Leg 125 Site 786. These rocks were all classified into boninites and associated rocks by Leg 125 Shipboard Scientific Party, and they concluded that boninitic volcanism had occurred before 40 Ma, and arc tholeiitic volcanism began after 40 Ma. In this study, lava flows and...

Element analyses and isotope composition of basalts from the West Valley segment, Juan de Fuca Ridge, northeast Pacific, supplement to: Cousens, Brian L; Allan, James F; Leybourne, Matthew I; Chase, R L; van Wagoner, Nancy (1995): Mixing of magmas from enriched and depleted mantle sources in the northeast Pacific: West Valley segment, Juan de Fuca Ridge. Contributions to Mineralogy and Petrology, 120(3-4), 337-357

Brian L Cousens, James F Allan, Matthew I Leybourne, R L Chase & Nancy van Wagoner
The 50 km-long West Valley segment of the northern Juan de Fuca Ridge is a young, extension-dominated spreading centre, with volcanic activity concentrated in its southern half. A suite of basalts dredged from the West Valley floor, the adjacent Heck Seamount chain, and a small near-axis cone here named Southwest Seamount, includes a spectrum of geochemical compositions ranging from highly depleted normal (N-) MORB to enriched (E-) MORB. Heck Seamount lavas have chondrite-normalized La/Sm en...

Element and isotope compostion of basalts and sediments from the Japan Sea, supplement to: Cousens, Brian L; Allan, James F; Gorton, Michael P (1994): Subduction-modified pelagic sediments as the enriched component in back-arc basalts from the Japan Sea: Ocean Drilling Program Sites 797 and 794. Contributions to Mineralogy and Petrology, 117(4), 421-434

Brian L Cousens, James F Allan & Michael P Gorton
Ocean Drilling Program Legs 127 and 128 in the Yamato Basin of the Japan Sea, a Miocene-age back-arc basin in the western Pacific Ocean, recovered incompatible-element-depleted and enriched tholeiitic dolerites and basalts from the basin floor, which provide evidence of a significant sedimentary component in their mantle source. Isotopically, the volcanic rocks cover a wide range of compositions (e.g., 87Sr/86Sr = 0.70369 - 0.70503, 206Pb/204Pb = 17.65 – 18.36) and define a mixing trend between...

Abundance and biomass of in- and epibenthic invertebrate macrofauna in the German Bight from 1969 to 2000

Alexander Schröder & Eike Rachor
In order to examine the long-term development of offshore macrozoobenthic soft-bottom communities of the German Bight, four representative permanent stations (MZB-SSd, -FSd, -Slt, -WB) have been sampled continuously since 1969. Inter-annual variability and possible long-term trends were analysed based on spring-time samples from 1969 until 2000. This is part of the ecological long-term series of the AWI and is supplemented by periodic large-scale mapping of the benthos. The main factors influencing the development of the...

Recent ostracods in surface sediment samples from Admiralty Bay, King George Island, West Antarctica, supplement to: Majewski, Wojciech; Olempska, Ewa (2005): Recent ostracods from Admirality Bay, King George Island, West Antarctica. Polish Polar Research, 26(1), 13-36

Wojciech Majewski & Ewa Olempska
Ostracods from Admiralty Bay on King George Island (South Shetland Islands) represent 29 podocopid species, belonging to 19 genera, one cladocopid and six myodocopid species. They were recovered from Recent marine and/or glacio-marine sediment samples from water depths of up to 520 m. These ostracods constitute a variable assemblage, which is overall typical for the Antarctic environment. Shallow-water assemblages tend to be more variable in terms of frequencies and species richness than deep-water assemblages. The...

Chemical composition and isotope ratios of basalts from DSDP Sites 417 and 418, West Atlantic Ocean, supplement to: Staudigel, Hubert; Frey, Frederick A; Hart, Stanley R (1979): Incompatible trace-element geochemistry and 87/86Sr in basalts and corresponding glasses and palagonites. In: Donnelly, T, Francheteau, J., Bryan, W., Robinson, P., Flower, M., Salisbury, M., et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Government Print Office), 51,52,53, 1137-1144

Hubert Staudigel, Frederick A Frey & Stanley R Hart
Basalts from Sites 417 and 418 are relatively depleted in light REE compared to a chondritic REE distribution. In the least altered samples, K, Rb, Cs, and Sr and Ba concentrations are lower than in average mid-ocean ridge basalt (MORB). Thus, the source rock for these basalts must have been highly depleted in incompatible elements. However, 87/86Sr ratios in these basalts, even in microscopically fresh glass, are high (> 0.7030). These ratios, compared to normal...

Mineral an chemical composition of basalts from DSDP Sites 417 and 418, West Atlantic Ocean, supplement to: Staudigel, Hubert; Bryan, Wilfred B (1981): Contrasted glass-whole rock compositions and phenocryst re-distribution, IPOD Sites 417 and 418. Contributions to Mineralogy and Petrology, 78(3), 255-262

Hubert Staudigel & Wilfred B Bryan
Major element composition ranges of closely associated basalt glass-whole rock pairs from individual small cooling units approach the total known range of basalt glass and whole rock compositions at IPOD sites 417 and 418. The whole rock samples fall into two groups: one is depleted in MgO and distinctly enriched in plagioclase but has lost some olivine and/or pyroxene relative to its corresponding glass; and the other is enriched in MgO and in phenocrysts of...

Carbon and Sulphur concentrations of sediments from Peru, Oman and Benguela upwelling environments, supplement to: Emeis, Kay-Christian; Morse, John W (1993): Zur Systematik der Kohlenstoff-Schwefel-Eisen-Verhältnisse in Auftriebssedimenten. Geologische Rundschau, 82(4), 604-618

Kay-Christian Emeis & John W Morse
Abundances of organic carbon, sulfur, and reactive iron in sediments of three upwelling environments (Peru, Oman and Benguela) suggest that organic carbon/reduced sulfur ratios (C/S-ratios) in this category of marine sediments deviate considerably from previously established empirical ratios in normal marine sediments. To clarify the discrepancies, we investigated those components of the diagenetic system that limit the formation of pyrite: sulfate concentrations and reduction rates in pore waters, availability of reactive iron, and the quantity...

Composition, oxygen isotope and crystallisation temperature of clay samples from the Tonga Trench, ODP Site 135-841, supplement to: Vitali, Frédéric; Blanc, Gérard; Gauthier-Lafaye, François; France-Lanord, Christian (1999): Formation temperatures of clays from the volcaniclastic series of Site 841 ODP: an oxygen isotopic record of a paleothermal flux into the Tonga forearc. Contributions to Mineralogy and Petrology, 134(4), 364-369

Frédéric Vitali, Gérard Blanc, François Gauthier-Lafaye & Christian France-Lanord
Oxygen isotopic compositions of clay minerals were determined on representative samples of the volcano-sedimentary series from Site 841 ODP (Tonga forearc). This isotopic study has demonstrated an abnormally high crystallisation temperature of the clay minerals with respect to temperature expected in burial diagenesis. Formation temperatures obtained using d18O reach up to 200 °C in a Fe-chlorite-corrensite paragenesis found in the vicinity of basaltic andesite sills intruded into the Miocene tuffs. The paleothermal flux resulting from...

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