8,573 Works

Seabed images and corresponding environmental data from deep-sea sponge aggregations in the Faroe-Shetland Channel Nature Conservation Marine Protected Area

Georgios Kazanidis, Johanne Vad, Lea-Anne Henry, Francis Neat, Barbara Berx, Konstantinos Georgoulas & J Murray Roberts
In this data set, we provide environmental (coordinates, depth, temperature, salinity, type of substrate, demersal fisheries) and biological data (sponge morphotype density and sponge morphotype size) from seabed images collected using a towed camera in the sponge belt located in the Faroe-Shetland Channel Nature Conservation Marine Protected Area.

Gas hydrate quantification at a pockmark offshore Norway from joint effective medium modelling of resistivity and seismic velocity, supplement to: Attias, Eric; Amalokwu, Kelvin; Watts, Mille; Falcon-Suarez, Ismael Himar; Gaowei, Hu; Best, Angus; Weitemeyer, Karen; Minshull, Tim A (submitted): Gas hydrate quantification at a pockmark offshore Norway from joint effective medium modelling of resistivity and seismic velocity. Marine and Petroleum Geology

Eric Attias, Kelvin Amalokwu, Mille Watts, Ismael Himar Falcon-Suarez, Hu Gaowei, Angus Best, Karen Weitemeyer & Tim A Minshull
Methane emissions from gas hydrate deposits along continental margins may alter the biogeophysical properties of marine environments, both on local and regional scales. We used a combination of controlled-source electromagnetic (CSEM), seismic and sediment core data obtained in the Nyegga region, offshore Norway, in a joint elastic-electrical ap- proach to quantify marine gas hydrates found within the CNE03 pockmark. Multiscale analysis of two sediment cores reveals significant differences between the CNE03 pock- mark and a...

Sedimentary characteristics from permafrost cores in the Teshekpuk Lake Area on the Arctic Coastal Plain, Northern Alaska, supplement to: Fuchs, Matthias; Lenz, Josefine; Jock, Suzanne; Nitze, Ingmar; Jones, Benjamin M; Strauss, Jens; Günther, Frank; Grosse, Guido (2019): Organic Carbon and Nitrogen Stocks Along a Thermokarst Lake Sequence in Arctic Alaska. Journal of Geophysical Research-Biogeosciences

Matthias Fuchs, Josefine Lenz, Suzanne Jock, Ingmar Nitze, Benjamin M Jones, Jens Strauss, Frank Günther & Guido Grosse
This data set includes the data for the publication Fuchs et al. (2019), Organic carbon and nitrogen stocks along a thermokarst lake sequence in Arctic Alaska, doi:10.1029/2018JG004591. Impacts of successive thermokarst lake stages on soil organic carbon and nitrogen storage, Arctic Alaska. This study combines terrestrial and lacustrine cores to a depth of two meters for a carbon and nitrogen stock estimation in a heavily thermokarst affected study region as well as describes the landscape...

Sea surface temperature estimates for sediment cores in the Japan Sea

Frederike Wittkopp, Masanobu Yamamoto, Heiko Moossen, Tom Dunkley Jones, Andrew C G H Henderson & James A Bendle
Organic sea surface temperature proxies, UK'37 and TEX86, were used to reconstruct sea surface temperatures in the Japan Sea for the last 17 million years. Data was generated from IODP Expedition 346 (Site U1425) and Expedition 127/128 (Site 797).

Metabolic rates and tissue composition of the coral Pocillopora verrucosa over 12 latitudes in the Red Sea characterized by strong temperature and nutrient gradient, supplement to: Sawall, Yvonne; Al-Sofyani, A; Hohn, S; Banguera-Hinestroza, E; Voolstra, Christian R; Wahl, Martin (2015): Extensive phenotypic plasticity of a Red Sea coral over a strong latitudinal temperature gradient suggests limited acclimatization potential to warming. Scientific Reports, 5, 8940

Yvonne Sawall, A Al-Sofyani, S Hohn, E Banguera-Hinestroza, Christian R Voolstra & Martin Wahl
Global warming was reported to cause growth reductions in tropical shallow water corals in both, cooler and warmer, regions of the coral species range. This suggests regional adaptation with less heat-tolerant populations in cooler and more thermo-tolerant populations in warmer regions. Here, we investigated seasonal changes in the in situ metabolic performance of the widely distributed hermatypic coral Pocillopora verrucosa along 12 degrees latitudes featuring a steep temperature gradient between the northern (28.5 degrees N,...

Mineral composition of mid-ocean-ridge basalts from ODP Leg 187 sites, supplement to: Sato, Hiroshi (2004): Mineral compositions of MORB from the Australian Antarctic Discordance (AAD): implications for mantle source characteristics. In: Pedersen, RB; Christie, DM; Miller, DJ (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 187, 1-26

Hiroshi Sato
The chemical compositions of olivine, plagioclase, pyroxene, and spinel in lavas collected during Ocean Drilling Program Leg 187 in the Australian Antarctic Discordance, Southeast Indian Ridge (41°-46°S, 126°-135°E) were analyzed, and modeling of the theoretical equilibrium petrogenetic conditions between olivine and melt was conducted. The cores of larger olivine phenocrysts, particularly in the isotopic Indian-type mid-ocean-ridge basalt (MORB), are not equilibrated with melt compositions and are considered to be xenocrystic. Larger plagioclase phenocrysts with compositionally...

Ice and snow characteristics in Prydz Bay in 2006, supplement to: Lei, Ruibo; Li, Zhijun; Cheng, Bin; Zhang, Zhanhai; Heil, Petra (2010): Annual cycle of landfast sea ice in Prydz Bay, east Antarctica. Journal of Geophysical Research, 115(C2)

Ruibo Lei, Zhijun Li, Bin Cheng, Zhanhai Zhang & Petra Heil
Under the Chinese National Antarctic Research Expedition program in 2006, the annual thermal mass balance of landfast ice in the vicinity of Zhongshan Station, Prydz Bay, east Antarctica, was investigated. Sea ice formed from mid-February onward, and maximum ice thickness occurred in late November. Snow cover remained thin, and blowing snow caused frequent redistribution of the snow. The vertical ice salinity showed a 'question-mark-shaped' profile for most of the ice growth season, which only turned...

Stareso MedSeA mesocosm experiment: field and perturbation studies 2012

Frédéric Gazeau, Vincent Taillandier, Samir Alliouane, Sylvie Gobert, Michele Giani, Amèlie Sallon, Mauro Celussi, Andrew Rees, Paraskevi Pitta, Laure Maugendre, Cecile Guieu & Justine Louis
A joint mesocosm experiment took place in June/July 2012 in Corsica (bay of Calvi, Stareso station;http://www.stareso.com/) as part of the european MedSeA project. Nine mesocosms (52 m**3) were deployed over a 20 days period and 6 different levels of pCO2 and 3 control mesocosms (about 450 µatm), were used, in order to cover the range of pCO2 anticipated for the end of the present century. During this experiment, the potential effects of these perturbations on...

Pollen and spores, calculated temperature and precipitation of IODP Hole 318-U1356A, supplement to: Pross, Jörg; Contreras, Lineth; Bijl, Peter K; Greenwood, David R; Bohaty, Steven M; Schouten, Stefan; Bendle, James A; Röhl, Ursula; Tauxe, Lisa; Raine, J Ian; Huck, Claire E; van de Flierdt, Tina; Jamieson, Stewart S R; Stickley, Catherine E; van de Schootbrugge, Bas; Escutia Dotti, Carlota; Brinkhuis, Henk; IODP Expedition 318 Scientists (2012): Persistent near-tropical warmth on the Antarctic continent during the early Eocene epoch. Nature, 488(7409), 73-77

Jörg Pross, Lineth Contreras, Peter K Bijl, David R Greenwood, Steven M Bohaty, Stefan Schouten, James A Bendle, Ursula Röhl, Lisa Tauxe, J Ian Raine, Claire E Huck, Tina van de Flierdt, Stewart S R Jamieson, Catherine E Stickley, Bas van de Schootbrugge, Carlota Escutia Dotti, Henk Brinkhuis & IODP Expedition 318 Scientists
The warmest global climates of the past 65 million years occurred during the early Eocene epoch (about 55 to 48 million years ago), when the Equator-to-pole temperature gradients were much smaller than today (doi:10.1130/0091-7613(1995)023<1044:ECCALT>2.3.CO;2, doi:10.1038/nature08399) and atmospheric carbon dioxide levels were in excess of one thousand parts per million by volume (doi:10.1016/j.gca.2003.09.002, doi:10.1038/ngeo1186). Recently the early Eocene has received considerable interest because it may provide insight into the response of Earth's climate and biosphere to...

Villefranche MedSeA mesocosm experiment 2013: perturbation studies and field studies

Frédéric Gazeau, Cecile Guieu, Vincent Taillandier, Samir Alliouane, Michele Giani, Amèlie Sallon, Maria-Luiza Pedrotti, Paraskevi Pitta, Mauro Celussi, Antonia Giannakourou, Laure Maugendre & Justine Louis
A joint mesocosm experiment took place in February/March 2013 in the bay of Villefranche in France as part of the european MedSeA project. Nine mesocosms (52 m**3) were deployed over a 2 weeks period and 6 different levels of pCO2 and 3 control mesocosms (about 450 µatm), were used, in order to cover the range of pCO2 anticipated for the end of the present century. During this experiment, the potential effects of these perturbations on...

Biogeochemical and physico-chemical characteristics in the gulf of Trieste, Italy, supplement to: Ingrosso, Gianmarco; Giani, Michele; Cibic, Tamara; Karuza, Ana; Kralj, Martina; Del Negro, Paola (2016): Carbonate chemistry dynamics and biological processes along a river-sea gradient (Gulf of Trieste, northern Adriatic Sea). Journal of Marine Systems, 155, 35-49

Michele Giani, Cinzia Comici, Tamara Cibic, Cinzia De Vittor, Ana Karuza, Martina Kralj & Gianmarco Ingrosso
In this paper we investigated, for two years and with a bi-monthly frequency, how physical, chemical, and biological processes affect the marine carbonate system in a coastal area characterized by high alkalinity riverine discharge (Gulf of Trieste, northern Adriatic Sea, Mediterranean Sea).

Carbonate system during the May 2013 MedSeA cruise, supplement to: Hassoun, Abed El Rahman; Guglielmi, Véronique; Gemayel, Elissar; Goyet, Catherine; Abboud-Abi Saab, Marie; Giani, Michele; Ziveri, Patrizia; Ingrosso, Gianmarco; Touratier, Franck (2015): Is the Mediterranean Sea Circulation in a Steady State. Journal of Water Resources and Ocean Science, 4(1), 6

Abed El Rahman Hassoun, Véronique Guglielmi, Elissar Gemayel, Catherine Goyet, Marie Abboud-Abi Saab, Michele Giani, Patrizia Ziveri, Gianmarco Ingrosso & Franck Touratier
Most global ocean models are based on the assumption of a "steady state" ocean. Here, we investigate the validation of this hypothesis for the anthropized Mediterranean Sea. In order to do so, we calculated the mixing coefficients of the water masses detected in this sea via an optimum multiparameter analysis referred to as the MIX approach, using data from the BOUM (2008) and MedSeA (2013) cruises. The comparison of the mixing coefficients of each water...

Stable isotope record and aklenonen index of MIS 11 sediments, supplement to: Dickson, Alexander J; Beer, Christopher J; Dempsey, Ciara; Maslin, Mark A; Bendle, James A; McClymont, Erin L; Pancost, Richard D (2009): Oceanic forcing of the Marine Isotope Stage 11 interglacial. Nature Geoscience, 2, 428-433

Alexander J Dickson, Christopher J Beer, Ciara Dempsey, Mark A Maslin, James A Bendle, Erin L McClymont & Richard D Pancost
The interglacial known as Marine Isotope Stage 11 has been proposed to be analogous to the Holocene, owing to similarities in the amplitudes of orbital forcing. It has been difficult to compare the periods, however, because of the long duration of Stage 11 and a lack of detailed knowledge of any extreme climate events that may have occurred. Here we use the distinctive phasing between seasurface temperatures and the oxygen-isotope records of benthic foraminifera in...

Eocene cooling linked to early flow across the Tasmanian Gateway, supplement to: Bijl, Peter K; Bendle, James A; Bohaty, Steven M; Pross, Jörg; Schouten, Stefan; Tauxe, Lisa; Stickley, Catherine E; McKay, Robert M; Röhl, Ursula; Olney, M; Sluijs, Appy; Escutia Dotti, Carlota; Brinkhuis, Henk; Expedition 318 Scientists (2013): Eocene cooling linked to early flow across the Tasmanian Gateway. Proceedings of the National Academy of Sciences of the United States of America

Peter K Bijl, James A Bendle, Steven M Bohaty, Jörg Pross, Stefan Schouten, Lisa Tauxe, Catherine E Stickley, Robert M McKay, Ursula Röhl, M Olney, Appy Sluijs, Carlota Escutia Dotti, Henk Brinkhuis & Expedition 318 Scientists
The warmest global temperatures of the past 85 million years occurred during a prolonged greenhouse episode known as the Early Eocene Climatic Optimum (52-50 Ma). The Early Eocene Climatic Optimum terminated with a long-term cooling trend that culminated in continental-scale glaciation of Antarctica from 34 Ma onward. Whereas early studies attributed the Eocene transition from greenhouse to icehouse climates to the tectonic opening of Southern Ocean gateways, more recent investigations invoked a dominant role of...

Nd-Sr isotopes, diatom and biogenic opal content of Pliocene sediments from IODP Site 318-U1361, supplement to: Cook, Carys P; van de Flierdt, Tina; Williams, Trevor; Hemming, Sidney R; Iwai, Masao; Kobayashi, Munemasa; Jiménez-Espejo, Francisco J; Escutia, Carlota; Gonzàlez, Jhon Jairo; Khim, Boo-Keun; McKay, Robert M; Passchier, Sandra; Bohaty, Steven M; Riesselman, Christina R; Tauxe, Lisa; Sugisaki, Saiko; Lopez Galindo, Alberto; Patterson, Molly O; Sangiorgi, Francesca; Pierce, Elizabeth L; Brinkhuis, Henk; Klaus, Adam; Fehr, Annick; Bendle, James A; Bijl, Peter K; Carr, Stephanie A; Dunbar, Robert B; Flores, José-Abel; Hayden, Travis G; Katsuki, Kota; Kong, Gee Soo; Nakai, Mutsumi; Olney, Matthew P; Pekar, Stephen F; Pross, Jörg; Röhl, Ursula; Sakai, Toyusaburo; Shrivastava, Prakash Kumar; Stickley, Catherine E; Tuo, Shouting; Welsh, Kevin; Yamane, Masako (2013): Dynamic behaviour of the East Antarctic ice sheet during Pliocene warmth. Nature Geoscience, 6(9), 765-769

Carys P Cook, Tina van de Flierdt, Trevor Williams, Sidney R Hemming, Masao Iwai, Munemasa Kobayashi, Francisco J Jiménez-Espejo, Carlota Escutia, Jhon Jairo Gonzàlez, Boo-Keun Khim, Robert M McKay, Sandra Passchier, Steven M Bohaty, Christina R Riesselman, Lisa Tauxe, Saiko Sugisaki, Alberto Lopez Galindo, Molly O Patterson, Francesca Sangiorgi, Elizabeth L Pierce, Henk Brinkhuis, Adam Klaus, Annick Fehr, James A Bendle, Peter K Bijl … & Masako Yamane
Warm intervals within the Pliocene epoch (5.33-2.58 million years ago) were characterized by global temperatures comparable to those predicted for the end of this century (Haywood and Valdes, doi:10.1016/S0012-821X(03)00685-X) and atmospheric CO2 concentrations similar to today (Seki et al., 2010, doi:10.1016/j.epsl.2010.01.037; Bartoli et al., 2011, doi:10.1029/2010PA002055; Pagani et al., 2010, doi:10.1038/ngeo724). Estimates for global sea level highstands during these times (Miller et al., 2012, doi:10.1130/G32869.1) imply possible retreat of the East Antarctic ice sheet, but...

Alkenones in surface waters of the Nordic seas, supplement to: Bendle, James A; Rosell-Melé, Antoni; Ziveri, Patrizia (2005): Variability of unusual distributions of alkenones in the surface waters of the Nordic seas. Paleoceanography, 20(2), PA2001

James A Bendle, Antoni Rosell-Melé & Patrizia Ziveri
Samples of filtered particulate organic matter (POM) were obtained during the summers of 1999 and 2000 from the surface waters of the Nordic seas to monitor the spatial distribution of long-chain alkenones. The aim of the study was to appraise existing alkenone-based climatic proxies in northern high latitudes. Unusually high percentages of the tetraunsaturated alkenone were measured in the polar waters of the East Greenland Current, with C37:4 of up to 77% in 80% of...

Paleomagnetic and rock magnetic properties of IODP Expedition 318 cores, supplement to: Tauxe, Lisa; Stickley, Catherine E; Sugisaki, Saiko; Bijl, Peter K; Bohaty, Steven M; Brinkhuis, Henk; Escutia Dotti, Carlota; Flores, José-Abel; Houben, Alexander J P; Iwai, Masao; Jiménez-Espejo, Francisco J; McKay, Robert M; Passchier, Sandra; Pross, Jörg; Riesselman, Christina R; Röhl, Ursula; Sangiorgi, Francesca; Welsh, Kevin; Klaus, Adam; Fehr, Annick; Bendle, James A; Dunbar, Robert G; Gonzales, J; Hayden, Travis; Katsuki, Kota; Olney, Matthew P; Pekar, Stephen F; Shrivastva, P K; van de Flierdt, Tina; Williams, T; Yamane, Masako (2012): Chronostratigraphic framework for the IODP Expedition 318 cores from the Wilkes Land Margin: Constraints for paleoceanographic reconstruction. Paleoceanography, 27, PA2214

Lisa Tauxe, Catherine E Stickley, Saiko Sugisaki, Peter K Bijl, Steven M Bohaty, Henk Brinkhuis, Carlota Escutia Dotti, José-Abel Flores, Alexander J P Houben, Masao Iwai, Francisco J Jiménez-Espejo, Robert M McKay, Sandra Passchier, Jörg Pross, Christina R Riesselman, Ursula Röhl, Francesca Sangiorgi, Kevin Welsh, Adam Klaus, Annick Fehr, James A Bendle, Robert G Dunbar, J Gonzales, Travis Hayden, Kota Katsuki … & Masako Yamane
The Integrated Ocean Drilling Program Expedition 318 to the Wilkes Land margin of Antarctica recovered a sedimentary succession ranging in age from lower Eocene to the Holocene. Excellent stratigraphic control is key to understanding the timing of paleoceanographic events through critical climate intervals. Drill sites recovered the lower and middle Eocene, nearly the entire Oligocene, the Miocene from about 17 Ma, the entire Pliocene and much of the Pleistocene. The paleomagnetic properties are generally suitable...

Age determinations from northwest Russia, supplement to: Larsen, Eiliv; Lyså, Astrid; Demidov, Igor; Funder, Svend; Houmark-Nielsen, Michael; Kjær, Kurt Henrik; Murray, Andrew Sean (1999): Age and extent of the Scandinavian ice sheet in northwest Russia. Boreas, 28(1), 115-132

Eiliv Larsen, Astrid Lyså, Igor Demidov, Svend Funder, Michael Houmark-Nielsen, Kurt Henrik Kjær & Andrew Sean Murray
The last glacial maximum (LGM) of the Scandinavian ice sheet in the Arkhangelsk region has been identified morphologically as ridges and hummocks in an otherwise flat topography. Stratigraphically the limit is marked by the presence of till above Mikhulinian (last interglacial) sediments inside the ridges and by the absence of till outside the ridges. During the LGM, ice flowed into the region from the north and northwest forming a lobe in the Dvina--Vaga depression. The...

Age determination of sediment from Lake Komi, supplement to: Mangerud, Jan; Astakhov, Valery I; Murray, Andrew Sean; Svendsen, John Inge (2001): The chronology of a large ice-dammed lake and the Barents-Kara ice sheet advances, northern Russia. Global and Planetary Change, QUEEN special issue, 31(1), 321-336

Jan Mangerud, Valery I Astakhov, Andrew Sean Murray & John Inge Svendsen
Beach and shoreface sediments deposited in the more than 800-km long ice-dammed Lake Komi in northern European Russia have been investigated and dated. The lake flooded the lowland areas between the Barents-Kara Ice Sheet in the north and the continental drainage divide in the south. Shoreline facies have been dated by 18 optical stimulated luminescence (OSL) dates, most of which are closely grouped in the range 80-100 ka, with a mean of 88 +/- 3...

Paleoceanographic changes across the Latest Danian Event in the South Atlantic Ocean and planktic foraminiferal response, supplement to: Jehle, Sofie; Bornemann, André; Lägel, Anna Friederike; Deprez, Arne; Speijer, Robert P (in review): Paleoceanographic changes across the Latest Danian Event in the South Atlantic Ocean and planktic foraminiferal response.

Sofie Jehle, André Bornemann, Anna Friederike Lägel, Arne Deprez & Robert P Speijer
A number of short warming events occurred during Paleocene and Eocene, of which the "Paleocene-Eocene Thermal Maximum" (PETM, 56 Ma) is the most severe and most investigated event. The less known "Latest Danian Event" (LDE) at 62.2 Ma represents a 200 ky-lasting warming phase, superimposed on a long-term cooling trend after the Early Paleocene. South Atlantic ODP Site 1262 data, covering ~1 myr, indicate a warming of the entire water column by 1.5-2.6°C, accompanying a...

Geochemistry of FeMn oxyhydroxides of IODP Site 303-U1302 and 303-1303, supplement to: Crocket, Kirsty C; Vance, Derek; Foster, Gavin L; Richards, David A; Tranter, D J (2012): Continental weathering fluxes during the last glacial/interglacial cycle: insights from the marine sedimentary Pb isotope record at Orphan Knoll, NW Atlantic. Quaternary Science Reviews, 38, 89-99

Kirsty C Crocket, Derek Vance, Gavin L Foster, David A Richards & D J Tranter
Regional weathering intensity must have changed dramatically at high latitudes during the Quaternary as a consequence of repeated continental glaciation. Investigation of these glacial/interglacial changes at high temporal resolution is possible with the recent development of Pb isotopes in FeMn oxyhydroxide phases as a proxy for region-specific weathering intensity, where increases in the radiogenic component are thought to correspond to increased continental weathering fluxes. Here we present a Pb isotope record sourced from the FeMn...

Vertical microalgae fluxes at the mooring station LOMO-2 over the Lomonosov Ridge in the period from September 15, 1995 till August 16, 1996, supplement to: Zernova, Valentina V; Nöthig, Eva-Maria; Shevchenko, Vladimir P (2000): Vertical microalga flux in the northern Laptev Sea (from the data collected by the yearlong sediment trap). Translated from Okeanologiya, 2000, 40(6), 850-858, Oceanology, 40(6), 801-808

Valentina V Zernova, Eva-Maria Nöthig & Vladimir P Shevchenko
The first studies of microalgae fluxes over the Lomonosov Ridge in the northern Laptev Sea were carried out with a sediment trap at the year-long mooring station LOMO-2, installed at 150 m depth from September 15, 1995 to August 16, 1996. These studies demonstrated essential seasonal variations of vertical microalgae flux. It was shown that in summer diverse flora (composed mainly of cryophylic diatoms) growed intensively beneath the permanent ice cover. Strongly pronounced seasonal variations...

Late Cretaceous-Early Paleogene stable isotope and coarse fraction record of ODP Site 208-1262, supplement to: Barnet, James S K; Littler, Kate; Westerhold, Thomas; Kroon, Dick; Leng, Melanie J; Bailey, Ian; Röhl, Ursula; Zachos, James C (2019): A High‐Fidelity Benthic Stable Isotope Record of Late Cretaceous–Early Eocene Climate Change and Carbon‐Cycling. Paleoceanography and Paleoclimatology, 34(4), 672-691

James S K Barnet, Kate Littler, Thomas Westerhold, Dick Kroon, Melanie J Leng, Ian Bailey, Ursula Röhl & James C Zachos
The Late Cretaceous-Early Paleogene is the most recent period of Earth history that experienced sustained global greenhouse warmth and was characterised by a dynamic carbon cycle. Yet, knowledge of ambient climate conditions and the evolution of atmospheric pCO2 at this time, along with their relation to forcing mechanisms, are still poorly constrained. Here we present an unprecedented 14.75 million year long high-resolution orbitally-tuned record of paired climate change and carbon-cycling (based on the oxygen and...

Annual concentrations of ice nucleating particles at different Arctic stations, supplement to: Wex, Heike; Huang, Lin; Zhang, W; Hung, Hayley; Traversi, Rita; Becagli, Silvia; Sheesley, Rebecca; Moffett, James; Barrett, T E; Bossi, Rossana; Skov, Henrik; Hünerbein, A; Lubitz, J; Löffler, M; Linke, O; Hartmann, Markus; Herenz, Paul; Stratmann, Frank (accepted): Annual variability of ice nucleating particle concentrations at different Arctic locations. Atmospheric Chemistry and Physics, 1-31

Heike Wex, Lin Huang, Rebecca Sheesley, Rossana Bossi & Rita Traversi
Number concentrations of ice nucleating particles (N(INP)) in the Arctic were derived from ground-based filter samples. Examined samples had been collected in Alert (Nunavut, Northern Canadian Archipelago on Ellesmere Island), Utqiagvik, formerly known as Barrow (Alaska), Ny Ålesund (Svalbard) and at the Villum Research Station (VRS, North Greenland). For the former two stations, examined filters span a full yearly cycle. For VRS, 10 weekly samples, mostly from different month of one year, were included. Samples...

Planktic foraminifer-based sea-surface temperature reconstruction for sediment cores JM97-948/2A and MD95-2011 from the Vøring Plateau, eastern Norwegian Sea, supplement to: Andersson, Carin; Pausata, Francesco S R; Jansen, Eystein; Risebrobakken, Bjørg; Telford, Richard J (2010): Holocene trends in the foraminifer record from the Norwegian Sea and the North Atlantic Ocean. Climate of the Past, 6(2), 179-193

Carin Andersson, Francesco S R Pausata, Eystein Jansen, Bjørg Risebrobakken & Richard J Telford
The early to mid-Holocene thermal optimum is a well-known feature in a wide variety of paleoclimate archives from the Northern Hemisphere. Reconstructed summer temperature anomalies from across northern Europe show a clear maximum around 6000 years before present (6 ka). For the marine realm, Holocene trends in sea-surface temperature reconstructions for the North Atlantic and Norwegian Sea do not exhibit a consistent pattern of early to mid- Holocene warmth. Sea-surface temperature records based on alkenones...

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