9,309 Works

Vertical core offset (affine table) form different Holes of IODP Site 342-U1410

Maximilian Vahlenkamp, Igor Niezgodzki, David De Vleeschouwer, Torsten Bickert, Dustin T Harper, Sandra Kirtland Turner, Gerrit Lohmann, Philip F Sexton, James C Zachos & Heiko Pälike

Carbon isotopic composition and carbonate content of bulk sediment from ODP Hole 198-1209A

Dustin T Harper, Richard E Zeebe, Bärbel Hönisch, Cindy D Schrader, Lucas Joost Lourens & James C Zachos

Oxygen isotopic composition of benthic foraminifer N. truempyi from ODP Hole 198-1209A

Dustin T Harper, Richard E Zeebe, Bärbel Hönisch, Cindy D Schrader, Lucas Joost Lourens & James C Zachos

Splice tie points form IODP Site 342-U1410

Maximilian Vahlenkamp, Igor Niezgodzki, David De Vleeschouwer, Torsten Bickert, Dustin T Harper, Sandra Kirtland Turner, Gerrit Lohmann, Philip F Sexton, James C Zachos & Heiko Pälike

Carbon and oxygen isotopic composition and Mg/Ca ratio of planktic foraminifer A. soldadoensis from ODP Hole 208-1265A

Dustin T Harper, Richard E Zeebe, Bärbel Hönisch, Cindy D Schrader, Lucas Joost Lourens & James C Zachos

Carbon and oxygen isotopic composition and Mg/Ca ratio of planktic foraminifer A. soldadoensis from ODP Hole 198-1209A

Dustin T Harper, Richard E Zeebe, Bärbel Hönisch, Cindy D Schrader, Lucas Joost Lourens & James C Zachos

Supplementary material of IODP Site 342-U1410 and COSMOS model, supplement to: Vahlenkamp, Maximilian; Niezgodzki, Igor; De Vleeschouwer, David; Bickert, Torsten; Harper, Dustin T; Kirtland Turner, Sandra; Lohmann, Gerrit; Sexton, Philip F; Zachos, James C; Pälike, Heiko (2018): Astronomically paced changes in deep-water circulation in the western North Atlantic during the middle Eocene. Earth and Planetary Science Letters, 484, 329-340

Maximilian Vahlenkamp, Igor Niezgodzki, David De Vleeschouwer, Torsten Bickert, Dustin T Harper, Sandra Kirtland Turner, Gerrit Lohmann, Philip F Sexton, James C Zachos & Heiko Pälike
North Atlantic Deep Water (NADW) currently redistributes heat and salt between Earth's ocean basins, and plays a vital role in the ocean-atmosphere CO2 exchange. Despite its crucial role in today's climate system, vigorous debate remains as to when deep-water formation in the North Atlantic started. Here, we present datasets from carbonate-rich middle Eocene sediments from the Newfoundland Ridge, revealing a unique archive of paleoceanographic change from the progressively cooling climate of the middle Eocene. Well-defined...

Isotopic composition of benthic and planktic foraminifera and bulk sediment from ODP Holes198-1209A and 208-1265A, supplement to: Harper, Dustin T; Zeebe, Richard E; Hönisch, Bärbel; Schrader, Cindy D; Lourens, Lucas Joost; Zachos, James C (2018): Subtropical sea-surface warming and increased salinity during Eocene Thermal Maximum 2. Geology, 46(2), 187-190

Dustin T Harper, Richard E Zeebe, Bärbel Hönisch, Cindy D Schrader, Lucas Joost Lourens & James C Zachos
Eocene Thermal Maximum 2 (ETM-2; ca. 54.2 Ma) represents the second largest of the major Eocene hyperthermals, yet comparatively little is known about the scale and rate of climatic change for key regions. Here we provide the first detailed records of subtropical sea-surface warming and salinization for ETM-2 at two subtropical locations, Ocean Drilling Program Sites 1209 (North Pacific) and 1265 (South Atlantic). Coupled planktic foraminiferal Mg/Ca and δ18O indicate 2-4 °C of rapid warming...

COSMOS model middle Eocene sensitivity tests with different obliquity values and Greenland-Scotland Ridge depths

Maximilian Vahlenkamp, Igor Niezgodzki, David De Vleeschouwer, Torsten Bickert, Dustin T Harper, Sandra Kirtland Turner, Gerrit Lohmann, Philip F Sexton, James C Zachos & Heiko Pälike
Here we publish simulated middle Eocene (43.5-46 Ma) boreal winter sea surface temperature, sea surface salinity as well as mixed layer depth for obliquity minimum and maximum simulation with Greenland-Scotland Ridge (GSR) depth of 500 m. Furthermore, we include annual mean global meridional overturning circulation and current velocities for both orbital configurations and GSR = 500 m and additionally for minimum obliquity and GSR = 200 m. The CO2 level is set to 840 ppm...

(Supplementary Tabel 3) Calcium/Iron ratios and adjusted depth of IODP Hole 342-U1410B

Maximilian Vahlenkamp, Igor Niezgodzki, David De Vleeschouwer, Torsten Bickert, Dustin T Harper, Sandra Kirtland Turner, Gerrit Lohmann, Philip F Sexton, James C Zachos & Heiko Pälike

(Supplementary Tabel 4) Stable carbon and oxygen isotope data of Nuttallides truempyi at IODP Site 342-U1410

Maximilian Vahlenkamp, Igor Niezgodzki, David De Vleeschouwer, Torsten Bickert, Dustin T Harper, Sandra Kirtland Turner, Gerrit Lohmann, Philip F Sexton, James C Zachos & Heiko Pälike

(Supplementary Tabel 3) Calcium/Iron ratios and adjusted depth of IODP Hole 342-U1410A

Maximilian Vahlenkamp, Igor Niezgodzki, David De Vleeschouwer, Torsten Bickert, Dustin T Harper, Sandra Kirtland Turner, Gerrit Lohmann, Philip F Sexton, James C Zachos & Heiko Pälike

(Supplementary Tabel 3) Calcium/Iron ratios and adjusted depth of IODP Hole 342-U1410C

Maximilian Vahlenkamp, Igor Niezgodzki, David De Vleeschouwer, Torsten Bickert, Dustin T Harper, Sandra Kirtland Turner, Gerrit Lohmann, Philip F Sexton, James C Zachos & Heiko Pälike

Planktic carbon and oxygen isotopes and NGR-derived K, U and Th data, supplement to: De Vleeschouwer, David; Auer, Gerald; Smith, Rebecca; Bogus, Kara; Christensen, Beth A; Groeneveld, Jeroen; Petrick, Benjamin F; Henderiks, Jorijntje; Castañeda, Isla S; O'Brian, Evan; Ellinghausen, Maret; Gallagher, Stephen John; Fulthorpe, Craig S; Pälike, Heiko (2018): The amplifying effect of Indonesian Throughflow heat transport on Late Pliocene Southern Hemisphere climate cooling. Earth and Planetary Science Letters, 500, 15-27

David De Vleeschouwer, Gerald Auer, Rebecca Smith, Kara Bogus, Beth A Christensen, Jeroen Groeneveld, Benjamin F Petrick, Jorijntje Henderiks, Isla S Castañeda, Evan O'Brian, Maret Ellinghausen, Stephen John Gallagher, Craig S Fulthorpe & Heiko Pälike
An unusually short glaciation interrupted the warm Pliocene around 3.3 Ma (Marine Isotope Stage (MIS) M2). Different hypotheses exist to explain why this glaciation event was so pronounced, and why the global climate system returned to warm Pliocene conditions relatively quickly afterwards. One of these proposed mechanisms is a reduced equator-to-pole heat transfer, in response to a tectonically reduced Indonesian Throughflow (ITF). The ITF is a critical part of the global thermohaline ocean circulation, transporting...

Airborne Laser Scanning (ALS) Point Clouds of Trail Valley Creek, NWT, Canada (2016), supplement to: Antonova, Sofia; Thiel, Christian; Höfle, Bernhard; Anders, Katharina; Helm, Veit; Zwieback, Simon; Marx, Sabrina; Boike, Julia (2019): Estimating tree height from TanDEM-X data at the northwestern Canadian treeline. Remote Sensing of Environment, 231, 111251

Katharina Anders, Sofia Antonova, Julia Boike, Martin Gehrmann, Jörg Hartmann, Veit Helm, Bernhard Höfle, Philip Marsh, Sabrina Marx & Torsten Sachs
The airborne laser scanning (ALS) datasets were acquired at the Arctic tundra site of Trail Valley Creek (TVC), Northwest Territories, Canada, which is underlain by continuous permafrost. Basic processing and filtering steps were applied to the ALS point cloud. Based on a classification into ground and vegetation points, a Digital Terrain Model (DTM) and rasters of mean and maximum vegetation heights are derived. Detailed metadata are included.

Georeferenced benthic photoquadrats captured annually from 2002-2017, distributed over Heron Reef flat and slope areas

Christiaan M Roelfsema, Eva M Kovacs, Douglas Stetner & Stuart R Phinn
Underwater georeferenced photo-transect surveys were conducted at different locations and using slightly different methodologies. Photoquadrats were collected with the purpose of determination of the benthic composition of each photoquadrat for subsequent use as georeferenced field data for calibration and validation purposes of benthic habitat maps derived from remote sensing satellite or airborne imagery. Transect location, direction and depth were chosen to characterise the variation of benthic cover types represented on coral reefs. Photoquadrat interval along...

Late Pleistocene isotopes analysis from ODP Site 165-999

Thomas B Chalk, Mathis P Hain, Gavin L Foster, Eelco J Rohling, Philip F Sexton, Marcus P S Badger, Soraya G Cherry, Adam P Hasenfratz, Gerald H Haug, Samuel H Jaccard, Alfredo Martínez‐García, Julien Crespin, Richard D Pancost & Paul A Wilson

Mid Pleistocene isotopes analysis from ODP Site 165-999

Thomas B Chalk, Mathis P Hain, Gavin L Foster, Eelco J Rohling, Philip F Sexton, Marcus P S Badger, Soraya G Cherry, Adam P Hasenfratz, Gerald H Haug, Samuel H Jaccard, Alfredo Martínez‐García, Julien Crespin, Richard D Pancost & Paul A Wilson

Stable isotope record of Cibicidoides wuellerstorfi of ODP Hole 165-999A

Thomas B Chalk, Mathis P Hain, Gavin L Foster, Eelco J Rohling, Philip F Sexton, Marcus P S Badger, Soraya G Cherry, Adam P Hasenfratz, Gerald H Haug, Samuel H Jaccard, Alfredo Martínez‐García, Julien Crespin, Richard D Pancost & Paul A Wilson

Early Mid-Pleistocene Transition (MPT) carbon dioxide from ODP Site 165-999

Thomas B Chalk, Mathis P Hain, Gavin L Foster, Eelco J Rohling, Philip F Sexton, Marcus P S Badger, Soraya G Cherry, Adam P Hasenfratz, Gerald H Haug, Samuel H Jaccard, Alfredo Martínez‐García, Julien Crespin, Richard D Pancost & Paul A Wilson

Ship based cetacean survey Southern Ocean 2016

Helena Herr, Sacha Viquerat & Ursula Siebert
Distance sampling survey for cetaceans in the Southern Ocean conducted on board of Chilean fishing vessel Cabo de Hornos in February 2016. Effort related sighting data were collected during a dedicated survey.

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