9,370 Works

Stable isotopes measurements on benthic foraminifera of sediment core GeoB3228-1

Maria Carolina Amorim Catunda & Cristiano Mazur Chiessi

Observed El Niño conditions in the eastern tropical Pacific in October 2015, supplement to: Stramma, Lothar; Fischer, Tim; Grundle, Damian; Krahmann, Gerd; Bange, Hermann W; Marandino, Christa A (2016): Observed El Niño conditions in the eastern tropical Pacific in October 2015. Ocean Science, 12(4), 861-873

Lothar Stramma, Tim Fischer, Damian Grundle, Gerd Krahmann, Hermann W Bange & Christa A Marandino
A strong El Niño developed in early 2015. Measurements from a research cruise on the RV Sonne in October 2015 near the equator east of the Galapagos Islands and off the shelf of Peru, are used to investigate changes related to El Niño in the upper ocean in comparison with earlier cruises in this region. At the equator at 85°30' W, a clear temperature increase leading to lower densities in the upper 350 m, despite...

Sea surface and subsurface temperature reconstruction for sediment core V12-107

Matthew W Schmidt, Ping Chang, Jennifer E Hertzberg, Theodore R Them II, Link Ji & Bette L Otto-Bliesner

(Table S3) Core chronologies including radiocarbon dates, tephrachronology, 210Pb dating

Claire C Treat, Miriam C Jones, Philip Camill, Angela Gallego-Sala, Michelle Garneau, Jennifer W Harden, Gustaf Hugelius, Eric S Klein, Ulla Kokfelt, Peter Kuhry, Julie Loisel, Paul J H Mathijssen, Jonathan A O'Donnell, Pirita O Oksanen, Tiina M Ronkainen, A Britta K Sannel, Julie Talbot, Charles Tarnocai & Minna Väliranta

Ground beetle (Carabidae) abundance data from north-eastern Australian rainforest, between June 2008 - January 2010, using pitfall traps, supplement to: Staunton, Kyran M; Nakamura, Akihiro; Burwell, Chris J; Robson, Simon K A; Williams, Stephen E (in review): Environmental influences on assemblage composition of flightless ground beetles in the Wet Tropics. PLoS ONE

Kyran M Staunton, Akihiro Nakamura, Chris J Burwell, Simon K A Robson & Stephen E Williams
Understanding how the environment influences patterns of diversity is vital for effective conservation management, especially in a changing global climate. While assemblage structure and species richness patterns are often correlated with current environmental factors, historical influences may also be considerable, especially for taxa with poor dispersal abilities. Mountain-top regions throughout tropical rainforests can act as important refugia for taxa characterised by low dispersal capacities such as flightless ground beetles (Carabidae), an ecologically significant predatory group....

Effects of ocean acidification on Posidonia oceanica epiphytic community and shoot productivity, supplement to: Cox, T Erin; Schenone, Stefano; Delille, Jeremy; Díaz-Castañeda, Victoria; Alliouane, Samir; Gattuso, Jean-Pierre; Gazeau, Frédéric (2015): Effects of ocean acidification on Posidonia oceanica epiphytic community and shoot productivity. Journal of Ecology, 103(6), 1594-1609

T Erin Cox, Stefano Schenone, Jeremy Delille, Victoria Díaz-Castañeda, Samir Alliouane, Jean-Pierre Gattuso & Frédéric Gazeau
1. Biological interactions can alter predictions that are based on single-species physiological response. It is known that leaf segments of the seagrass Posidonia oceanica will increase photosynthesis with lowered pH, but it is not clear whether the outcome will be altered when the whole plant and its epiphyte community, with different respiratory and photosynthetic demands, are included. In addition, the effects on the Posidonia epiphyte community have rarely been tested under controlled conditions, at near-future...

(Table S2) Peat properties for cores including sampling depths, bulk density, carbon, nitrogen, LOI, dominant vegetation type, plant macrofossils, peat environmental class

Claire C Treat, Miriam C Jones, Philip Camill, Angela Gallego-Sala, Michelle Garneau, Jennifer W Harden, Gustaf Hugelius, Eric S Klein, Ulla Kokfelt, Peter Kuhry, Julie Loisel, Paul J H Mathijssen, Jonathan A O'Donnell, Pirita O Oksanen, Tiina M Ronkainen, A Britta K Sannel, Julie Talbot, Charles Tarnocai & Minna Väliranta

(Table S1) Site locations of cores and descriptions

Claire C Treat, Miriam C Jones, Philip Camill, Angela Gallego-Sala, Michelle Garneau, Jennifer W Harden, Gustaf Hugelius, Eric S Klein, Ulla Kokfelt, Peter Kuhry, Julie Loisel, Paul J H Mathijssen, Jonathan A O'Donnell, Pirita O Oksanen, Tiina M Ronkainen, A Britta K Sannel, Julie Talbot, Charles Tarnocai & Minna Väliranta

Synthesis dataset of physical and ecosystem properties from pan-arctic wetland sites using peat core analysis, supplement to: Treat, Claire C; Jones, Miriam C; Camill, Philip; Gallego-Sala, Angela; Garneau, Michelle; Harden, Jennifer W; Hugelius, Gustaf; Klein, Eric S; Kokfelt, Ulla; Kuhry, Peter; Loisel, Julie; Mathijssen, Paul J H; O'Donnell, Jonathan A; Oksanen, Pirita O; Ronkainen, Tiina M; Sannel, A Britta K; Talbot, Julie; Tarnocai, Charles; Väliranta, Minna (2016): Effects of permafrost aggradation on peat properties as determined from a pan-Arctic synthesis of plant macrofossils. Journal of Geophysical Research-Biogeosciences, 121(1), 78-94

Claire C Treat, Miriam C Jones, Philip Camill, Angela Gallego-Sala, Michelle Garneau, Jennifer W Harden, Gustaf Hugelius, Eric S Klein, Ulla Kokfelt, Peter Kuhry, Julie Loisel, Paul J H Mathijssen, Jonathan A O'Donnell, Pirita O Oksanen, Tiina M Ronkainen, A Britta K Sannel, Julie Talbot, Charles Tarnocai & Minna Väliranta
Permafrost dynamics play an important role in high-latitude peatland carbon balance and are key to understanding the future response of soil carbon stocks. Permafrost aggradation can control the magnitude of the carbon feedback in peatlands through effects on peat properties. We compiled peatland plant macrofossil records for the northern permafrost zone (515 cores from 280 sites) and classified samples by vegetation type and environmental class (fen, bog, tundra and boreal permafrost, thawed permafrost). We examined...

Raw X-ray fluorescence (XRF) scannings and radiocarbon age of sediment cores GeoB8323-2, and GeoB8331-4, supplement to: Hahn, Annette; Compton, John S; Meyer-Jacob, Carsten; Kirsten, Kelly L; Lucassen, Friedrich; Mayo, Manuel Pérez; Schefuß, Enno; Zabel, Matthias (2016): Holocene paleo-climatic record from the South African Namaqualand mudbelt: A source to sink approach. Quaternary International, 404, 121-135

Annette Hahn, John S Compton, Carsten Meyer-Jacob, Kelly L Kirsten, Friedrich Lucassen, Manuel Pérez Mayo, Enno Schefuß & Matthias Zabel
Variations in the sediment input to the Namaqualand mudbelt during the Holocene are assessed using an integrative terrestrial to marine, source to sink approach. Geochemical and Sr and Nd isotopic signatures are used to distinguish fluvial sediment source areas. Relative to the sediments of the Olifants River, craton outcrops in the northern Orange River catchment have a more radiogenic Sr and a more unradiogenic Nd isotopic signature. Furthermore, upper Orange River sediments are rich in...

Water transparency measurements during DIANA cruise 90DI9CB0

Gennady G Matishov, Aleksey N Zuyev, Valery A Golubev, Nikolai M Adrov, Sergey F Timofeev, O Karamusko, L Pavlova, O Fadyakin, A Buzan, A Braunstein, Denis Moiseev, I Smolyar, Ricardo A Locarnini, R Tatusko, Timothy P Boyer & Sydney Levitus

Physical oceanography during HEINCKE cruise HE440

Helge-Ansgar Giebel & Gerd Rohardt

Sea-surface microlayer characteristics during METEOR cruise M117, Baltic Sea, supplement to: Rahlff, Janina; Stolle, Christian; Giebel, Helge-Ansgar; Brinkhoff, Thorsten; Ribas-Ribas, Mariana; Hodapp, Dorothee; Wurl, Oliver (2017): High wind speeds prevent formation of a distinct bacterioneuston community in the sea-surface microlayer. FEMS Microbiology Ecology, fix041

Janina Rahlff, Christian Stolle, Helge-Ansgar Giebel, Thorsten Brinkhoff, Mariana Ribas-Ribas, Dorothee Hodapp & Oliver Wurl
The sea-surface microlayer (SML) at the boundary between atmosphere and hydrosphere represents a demanding habitat for bacteria. Wind speed is a crucial but poorly studied factor for its physical integrity. Increasing atmospheric burden of CO2, as suggested for future climate scenarios, may particularly act on this habitat at the air-sea interface. We investigated the effect of increasing wind speeds and different pCO2 levels on SML microbial communities in a wind-wave tunnel, which offered the advantage...

Shift from coral to macroalgae dominance on a volcanically acidified reef, supplement to: Enochs, I C; Manzello, Derek P; Donham, E M; Kolodziej, Graham; Okano, R; Johnston, Lyza; Young, C; Iguel, John; Edwards, C B; Fox, M D; Valentino, L; Johnson, Steven; Benavente, D; Clark, S J; Carlton, R; Burton, T; Eynaud, Y; Price, Nichole N (2015): Shift from coral to macroalgae dominance on a volcanically acidified reef. Nature Climate Change, 5(12), 1083-1088

I C Enochs, Derek P Manzello, E M Donham, Graham Kolodziej, R Okano, Lyza Johnston, C Young, John Iguel, C B Edwards, M D Fox, L Valentino, Steven Johnson, D Benavente, S J Clark, R Carlton, T Burton, Y Eynaud & Nichole N Price
Rising anthropogenic CO2 in the atmosphere is accompanied by an increase in oceanic CO2 and a concomitant decline in seawater pH (ref. 1). This phenomenon, known as ocean acidification (OA), has been experimentally shown to impact the biology and ecology of numerous animals and plants2, most notably those that precipitate calcium carbonate skeletons, such as reef-building corals3. Volcanically acidified water at Maug, Commonwealth of the Northern Mariana Islands (CNMI) is equivalent to near-future predictions for...

(Table 2) Mineral content in clay from different IODP Holes of 331-C0013, 331-C0017, East China sea shelf and different Taiwan rivers

Hebin Shao, Shouye Yang, Quan Wang & Yulong Guo
<1 = content is lower than the detection limit from the X-ray diffraction.

4.1. High resolution XRF elemental composition of sediment core SLW1_PC1

Timothy O Hodson, Ross Powell, Stefanie Brachfield, Slawek Tulaczyk, Reed P Scherer & WISSARD Science Team
Gamma ray attenuation bulk density and magnetic susceptibility logged using a Geotek multi-sensor core logger at the Hartshorne Quaternary Lab at University of Massachusetts, Amherst.

4.5. Principal Component Analysis calculation of best fit line for multiple demagnetization steps in order to determine the inclination and declination of SLW1 sediment cores

Timothy O Hodson, Ross Powell, Stefanie Brachfield, Slawek Tulaczyk, Reed P Scherer & WISSARD Science Team
Principal Component Analysis (PCA) calculation of best fit line for multiple demagnetization steps in order to determine the inclination and declination. 20, 30, 40, and 50 mT demagnetization steps. Only samples for which the maximum angular deviation (MAD value) is less than 5° are included. MAD is a goodness of fit parameter. Smaller MAD is better.

4.5. Anisotropy of magnetic susceptibility of SLW1 sediment cores

Timothy O Hodson, Ross Powell, Stefanie Brachfield, Slawek Tulaczyk, Reed P Scherer & WISSARD Science Team
AMS results. Columns K1, K2, K3 are all dimensionless ratios that describe the magnitude of each axis of the magnetic susceptibility ellipsoid. D1, D2, D3, I1, I2, I3 are all in degrees and describe the declination (D) and inclination (I) of each of the three susceptibility axes (1-3).

4.2. Bulk density and magnetic susceptibility of sediment core SLW1_SLW_MC3A

Timothy O Hodson, Ross Powell, Stefanie Brachfield, Slawek Tulaczyk, Reed P Scherer & WISSARD Science Team
Gamma ray attenuation bulk density and magnetic susceptibility logged using a Geotek multi-sensor core logger at the Hartshorne Quaternary Lab at University of Massachusetts, Amherst.

4.3. Particle size distributions of SLW1 sediment cores

Timothy O Hodson, Ross Powell, Stefanie Brachfield, Slawek Tulaczyk, Reed P Scherer & WISSARD Science Team
5 grams of sediment was crushed and dry-sieved to remove gravel (>2 mm). Depending on grain size of the sediment, 0.2 to 5 grams of sieved sample was transferred into a glass bottle with 0.5 ml 5% HMP solution and 30 ml deionized water. Sample was shaken for 8 hours prior to analysis. The dispersed sample was transferred to a Malvern Mastersizer 3000 laser diffraction particle size analyzer for particle size analysis.

4.4. Documentation of sediment core SLW1_PC1

Timothy O Hodson, Ross Powell, Stefanie Brachfield, Slawek Tulaczyk, Reed P Scherer & WISSARD Science Team
High-resolution line-scan imagery of the split core. High-resolution core radiographs of the split cores were taken using a Torrex 120-D radiograph at Antarctic Marine Geology Research Facility, Florida State University.

4.2. Bulk density and magnetic susceptibility of sediment core SLW1_SLW_MC1A

Timothy O Hodson, Ross Powell, Stefanie Brachfield, Slawek Tulaczyk, Reed P Scherer & WISSARD Science Team
Gamma ray attenuation bulk density and magnetic susceptibility logged using a Geotek multi-sensor core logger at the Hartshorne Quaternary Lab at University of Massachusetts, Amherst.

4.1. High resolution XRF elemental composition of sediment core SLW1_SLW_MC3A

Timothy O Hodson, Ross Powell, Stefanie Brachfield, Slawek Tulaczyk, Reed P Scherer & WISSARD Science Team
Gamma ray attenuation bulk density and magnetic susceptibility logged using a Geotek multi-sensor core logger at the Hartshorne Quaternary Lab at University of Massachusetts, Amherst.

4.5. Natural remanent magnetization of SLW1 sediment cores

Timothy O Hodson, Ross Powell, Stefanie Brachfield, Slawek Tulaczyk, Reed P Scherer & WISSARD Science Team
Results from the NRM step, which is the very first measurement for all samples, without any prior magnetic treatment (i.e., the 0 mT demagnetization step).

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