367,327 Works

High resolution aircraft measurements of wind and temperature during the ACLOUD campaign in 2017

Jörg Hartmann, Christof Lüpkes & Dmitry Chechin
During the ACLOUD (Arctic Cloud Observations Using airborne measurements during polar Day) campaign conducted in May/June 2017 meteorological data (temperature, 3 wind components, air pressure) have been measured in high temporal resolution (100 Hz) using instrumentation that was installed at the nosebooms of both aircraft Polar 5 and Polar 6. For each flight the data are given as functions of time and position (including height above ground) along the flight tracks. All flights started and...

High-resolution XRF measurements on sediment core 64E406-E1 (cm resolution)

Jan Pieter Dirksen, Rick Hennekam, Esmee Geerken & Gert-Jan Reichart

High-resolution XRF measurements on sediment core 64E406-E1 (0.4 mm resolution)

Jan Pieter Dirksen, Rick Hennekam, Esmee Geerken & Gert-Jan Reichart

Physical oceanography and current meter data from mooring F1-15

Wilken-Jon von Appen, Katrin Latarius & Torsten Kanzow

High-resolution XRF measurements on sediment core 64E406-E1 (mm resolution)

Jan Pieter Dirksen, Rick Hennekam, Esmee Geerken & Gert-Jan Reichart

(Supplement table 1) Crustal enrichment factors of lead in Mt. Logan ice core during pre-anthropogenic to modern periods

Erich Osterberg, Paul Mayewski, Karl Kreutz, D Fisher, Michael Handley, S Sneed, Christian Zdanowicz, J Zheng, M Demuth, M Waskiewicz & Jocelyne Bourgeois

Summary of sea surface temperature trends reconstructed from alkenones for the Holocene

Guillaume Leduc, Ralph R Schneider, Jung-Hyun Kim & Gerrit Lohmann
Trend >0 means a warming over the time period, trend <0 means a cooling over the time period.

Sea surface temperature reconstruction from sediment core KNR176-JPC32 using alkenones

Guillaume Leduc, Ralph R Schneider, Jung-Hyun Kim & Gerrit Lohmann

(Table 2) Taxonomic composition of diatoms in dredged samples from the island-side slope of the Kuril-Kamchatka Trench, supplement to: Tsoy, Irina B (2002): Oligocene diatom assemblages from the island slope deposits of the Kuril-Kamchatka Trench. Translated from Okeanologiya, 2002, 42(2), 267-280, Oceanology, 42(2), 252-265

Irina B Tsoy
Studies of diatoms from dredge samples collected on the island slope of the Kuril-Kamchatka Trench have allowed to recognize well-preserved marine diatom assemblages corresponding to assemblages of the followed Oligocene zones: Rhizosolenia oligocaenica (subzone ''a'', 33.6-31 Ma), Cavitatus rectus (29.6-28.2 Ma), and Rocella gelida (28.2-24.0 Ma) as identified in the North Pacific zonal scale. Description of these assemblages and their complete taxonomic composition are presented. Diversity of species together with abundance and degree of preservation...

(Table 2) Taxonomic composition of diatoms from bottom deposits of the Kronotsky Bay, supplement to: Tsoy, Irina B (2003): Eocene diatoms and silicoflagellates from the Kronotskii Bay deposits (East Kamchatka). Stratigrafiya. Geologicheskaya Korrelyatsiya (Stratigraphy. Geological Correlation), 11(4), 71-86

Irina B Tsoy
Eocene diatom and silicoflagellate complexes from deposits of the Kronotsky Bay are presented. Pro tempore they are the most ancient finds of fossil phytoplankton with silica skeletons in the Northwest Pacific. More than 130 diatom species belonging to 59 genera and 24 silicoflagellate species belonging to 5 genera have been determined. Three Middle Eocene complexes (of the Lisitzinia kanayai, Lisitzinia inconspicua var. trilobata, and Praecymatosira monomembranaceae zones) and one presumably Middle-Late Eocene complex (of the...

Abundance of diatom cells in sediments from the Okhotsk and Bering Seas and the Northwest Pacific Ocean, supplement to: Tsoy, Irina B; Obrezkova, Maria S; Artemova, Antonina V (2009): Diatoms in surface sediments of the Sea of Okhotsk and the Northwest Pacific Ocean. Oceanology, 49(1), 130-139

Irina B Tsoy, Maria S Obrezkova & Antonina V Artemova
The present investigation was targeted at diatom composition studies in the surface sediments (0-1 cm) sampled in the Sea of Okhotsk and the northwest Pacific in the depth range from 130 to 6110 m. The taxonomic analysis, as well as the quantitative (the diatom cell abundance per sediment dry weight unit) content and ecological group definition, was applied. Ten diatom taxa are the main body (80-100%) of the diatom assemblages: Bacterosira bathyomphala, Chaetoceros spp. (spores),...

Age of samples from the sedimentary cover of the Primorye continental slope and from the submarine Bogorov Rise, supplement to: Karnaukh, V N; Tsoy, Irina B (2010): Stratigraphy and formation conditions of the sedimentary cover in the Sea of Japan near the Bogorov Rise. Translated from Okeanologiya, 2010, 50(4), 590-607, Oceanology, 50(4), 556-572

V N Karnaukh & Irina B Tsoy
Results of a complex study of the sedimentary cover (continuous seismic profiling and diatom analysis) in the northeastern Sea of Japan including the Bogorov Rise an adjacent part of the Japan Basin and the continental slope, are presented. Two varied-age complexes were distinguished in the sedimentary cover of the continental slope of Primorye: Middle Miocene and Late Miocene - Pleistocene. These complexes formed in a stable tectonic setting with no significant vertical movements. A depression...

Diatoms and silicoflagellates abundances in the sediment core A12-4 from Amur Bay (Japan Sea), supplement to: Tsoy, Irina B; Prushkovskaya, Irina; Aksentov, Kirill; Astakhov, Anatoly (2015): Environmental changes in the Amur Bay (Japan/East Sea) during the last 150 years revealed by examination of diatoms and silicoflagellates. Ocean Science Journal, 50(2), 433-444

Irina B Tsoy & Irina Prushkovskaya
Diatoms and silicoflagellates from sediments in Amur Bay (Japan Sea) were analyzed with high temporal resolution to examine changes over the last 150 years. The age of sediments was estimated from unsupported 210Pb controlled by 137Cs. Siliceous microalgae examined in each cm of two sediment cores demonstrated significant changes in the ecological structure of the assemblages that reflected changes in sedimentation conditions. The obtained data suggest that the environmental changes over the last 150 years...

Diatoms and silicoflagellates abundances in the sediment core A12-5 from Amur Bay (Japan Sea), supplement to: Tsoy, Irina B; Prushkovskaya, Irina; Aksentov, Kirill; Astakhov, Anatoly (2015): Environmental changes in the Amur Bay (Japan/East Sea) during the last 150 years revealed by examination of diatoms and silicoflagellates. Ocean Science Journal, 50(2), 433-444

Irina B Tsoy & Irina Prushkovskaya
Diatoms and silicoflagellates from sediments in Amur Bay (Japan Sea) were analyzed with high temporal resolution to examine changes over the last 150 years. The age of sediments was estimated from unsupported 210Pb controlled by 137Cs. Siliceous microalgae examined in each cm of two sediment cores demonstrated significant changes in the ecological structure of the assemblages that reflected changes in sedimentation conditions. The obtained data suggest that the environmental changes over the last 150 years...

High-resolution surface global solar radiation and the diffuse component dataset over China (2008)

Hou Jiang & Ning Lu
Surface solar radiation drives the water cycle and energy exchange on the earth's surface, thus is an indispensable parameter for many numerical models to estimate soil moisture, evapotranspiration and plant photosynthesis. The diffuse radiation can increase the ecosystem productivity by enhancing canopy light use efficiency, thereby promote carbon uptake in ecosystems. The accurate knowledge of their spatial distribution is helpful for estimation of plant productivity, carbon dynamics of terrestrial ecosystems, research on regional climate change,...

Geostrophic Currents in the northern Nordic Seas - A Combined Dataset of Multi-Mission Satellite Altimetry and Ocean Modeling (data), supplement to: Müller, Felix L; Dettmering, Denise; Wekerle, Claudia; Schwatke, Christian; Bosch, Wolfgang; Seitz, Florian (in review): Geostrophic Currents in the northern Nordic Seas - A Combined Dataset of Multi-Mission Satellite Altimetry and Ocean Modeling. Earth System Science Data Discussions

Felix L Müller, Denise Dettmering, Claudia Wekerle, Christian Schwatke, Wolfgang Bosch & Florian Seitz
The data set contains combined Dynamic Ocean Topography (DOT) and geostrophic velocity components for the northern Nordic Seas between 1995 and 2012. It was produced in the frame of the DFG project NEG-OCEAN: Variations in ocean currents, sea-ice concentration, and sea surface temperature along the North-East coast of Greenland. The data is provided as Format 4 Classic NetCDF files on an unstructured triangular, Finite Element formulated grid. The data are characterized by daily sampling between...

Late Holocene diatom abundaces in sediment core HC-11, supplement to: Tsoy, Irina B; Obrezkova, Maria S; Aksentov, KI; Kolesnik, A N; Panov, V S (2017): Late holocene environmental changes in the Southwestern Chukchi Sea inferred from diatom analysis. Russian Journal of Marine Biology, 43(4), 276-285

Irina B Tsoy, Maria S Obrezkova, KI Aksentov, A N Kolesnik & V S Panov
The study of diatoms in core HC11 collected from the southwestern part of Chukchi Sea, allowed to distinguish 3 diatoms ecological zones, reflecting paleoenvironmental changes during the last 2300 years. The sediment age was based on the sedimentation rates, determined by 210Pb and radiocarbon dating of mollusk shells. The environmental changes of Chukchi Sea revealed by examination of diatoms correlates with global climate changes - the warming of the early and middle Subatlantic and cooling...

Alkenone-derived Holocene Sea Surface Temperature database

Guillaume Leduc, Ralph R Schneider, Jung-Hyun Kim & Gerrit Lohmann
see dating methoda: Correlation with GISP2 oxygen isotope record (Grootes and Stuiver, 1997).b: The age model of the core AD91-17 is based on AMS 14C, planktonic isotopic record from Capotondi et al. (1999) and the correlation with MD90-917 planktonic isotopic record (Siani et al., 2001).c: Comparison with ODP 963 data from the same location (Sprovieri et al., in preparation)d: The age model was obtained by correlation of the planktonic d18O records with those reported from...

Ages of sediments from Core MG34-89211, northern shelf of the Sea of Okhotsk, supplement to: Gorbarenko, Sergey A; Tsoy, Irina B; Astakhov, Anatoly S; Artemova, Antonina V; Gvozdeva, I G; Annin, V K (2007): Paleoenvironmental changes in the northern shelf of the Sea of Okhotsk during the Holocene. Stratigraphy and Geological Correlation, 15(6), 656-671

Sergey A Gorbarenko, Irina B Tsoy, Anatoly S Astakhov, Antonina V Artemova, I G Gvozdeva, V K Annin & S V Rasskazov
The combined micropaleontological (spores and pollen, diatoms, benthic foraminifers), lithologic, and isotopic-geochemical analysis of sediments from the northern shelf of the Sea of Okhotsk recovered by hydrostatic corer from the depth of 140 mbsl elucidated environmental changes in this part of the basin and adjacent land areas during the last 12.7 thousands cal. years. Geochronological scale of the core is established using the acceleration mass-spectrometry method for radiocarbon dating of benthic Foraminifera tests. The first...

Global manure phosphorus, human population density, cropland extent, livestock density, and nation-level phosphorus fertilizer use (circa 2010), supplement to: Powers, Stephen; Chowdhury, R B; MacDonald, G K; Metson, G S; Beusen, A H W; Bouwman, A F; Hampton, S E; Mayer, B K; McCrackin, M L; Vaccari, D A (2019): Global Opportunities to Increase Agricultural Independence Through Phosphorus Recycling. Earth's Future, 7(4), 370-383

Stephen Powers
Detailed methods can be found in the publication, and highlights are provided below. The following original data sources were aggregated/disaggregated to a common hexagonal grid (cell size 290 km2, mean internode spacing 18.3 km): Gridded Livestock of the World (GLW 2), doi:10.1371/journal.pone.0096084, reporting year 2006, resolution 3 arcminutes (~5 km2 at equator); Gridded Population of the World (GPWv4), doi:10.7927/H4HX19NJ, reporting year 2010, resolution 30 arcseconds (~1 km at equator); GlobCover 2009, doi:10.1594/PANGAEA.787668, reporting year 2009,...

(Table 1) Radioisotopic age of igneous rocks from the Vityaz Ridge

Evgeny P Lelikov, Irina B Tsoy, T A Emelyanova, E P Terekhov, N G Vashchenkova, N K Vagina, O L Smirnova & V D Khudik

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