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135 Titles Match Your Query
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1. LBA-ECO CD-02 Carbon and Oxygen Isotopes in Atmospheric CO2 in the Amazon: 1999-2004 [LBA_CDO2_ATMOSPHERE_ISOTOPES]
This data set reports carbon and oxygen stable isotope ratios of atmospheric carbon dioxide (CO2) collected at several forest and pasture sites and in the free troposphere over Amazonia. There are ...


2. LBA-ECO CD-02 Leaf Level Gas Exchange, Chemistry, and Isotopes, Amazonia, Brazil [LBA_CDO2_LEAF_GAS_EXCHANGE]
This data set reports leaf gas flux and leaf properties from samples collected from trees, liana, pasture saplings, and pasture grass located at eight different sampling locations in the states of ...


3. First ISCCP Regional Experiment (FIRE) Atlantic Stratocumulus Transition Experiment (ASTEX) MAGE Oceanus Sulfur in the Air Data [FIRE_AX_MAGE_OCN_AIR]
The First ISCCP Regional Experiments have been designed to improve data products and cloud/radiation parameterizations used in general circulation models (GCMs). Specifically, the goals of FIRE are ...


4. First ISCCP Regional Experiment (FIRE) Atlantic Stratocumulus Transition Experiment (ASTEX) MAGE Oceanus Sulfur in the Ocean Data [FIRE_AX_MAGE_OCN_SEA]
The First ISCCP Regional Experiments have been designed to improve data products and cloud/radiation parameterizations used in general circulation models (GCMs). Specifically, the goals of FIRE are ...


5. AAV30708 Biogeochemistry - EIMS Data Collected on the CEAMARC Cruise of the Aurora Australis 2007-2008 [CEAMARC_CASO_200708_V3_Biogeochemistry_EIMS]
Continuous underway measurements of sea surface (7 metres depth)dissolved gasses (co2, o2, argon, nitrogen)by quadrupole mass spectrometry (Electron Impact Mass Spectrometry - EIMS). ASCII encoded. ...


6. An environmental record of lead isotopes over four centuries at Law Dome, Antarctica [ASAC_1092]
Antarctic ice provides an archive of Earths atmospheric composition over time. It therefore records evidence of human impact on the atmosphere. Lead is a toxic element, whose isotopic fingerprint ...


7. CEAMARC marine sediment samples [CEAMARC-200708_V3_MARINE_SEDIMENT_SAMPLES]   PARENT DIF
Marine sediment samples were obtained from box corer, Smith-MacIntyre and Van Veen grabs. Samples were named by: 1. CEAMARC site (e.g. 16) 2. Instrument (e.g. box corer = BC; Smith-MacIntyre = GRSM; ...


8. High resolution studies of cosmogenic beryllium isotopes (10Be and 7Be) at Law Dome [ASAC_3064]   CHILD DIFs
Metadata record for data from AAS (ASAC) Project 3064. Public 10Be and 7Be are naturally-occurring radioactive isotopes produced in the Earth's atmosphere and surface by cosmic rays, at a rate controlled ...


9. Iron, manganese and aluminium in East Antarctic snow and ice cores [trace_metals]
Iron, manganese and aluminium concentrations have been determined in modern and ancient East Antarctic snow from sea-ice and continental sites. Modern snow samples were collected from sites in Prydz ...


10. Lead isotopes in snow and ice as an indicator of past changes to the Antarctic environment [ASAC_966]
From the abstracts of the referenced papers: Techniques for Pb measurements have reached the stage where Antarctic ice with sub-picogram per gram concentrations can be reliably analysed for isotopic ...


11. Psychrophilic Bacteria from Antarctic Sea-ice and Phospholipis of Antarctic sea ice algal communities new sources of PUFA [ASAC_708]
Metadata record for ASAC projects 161 and 708. (ASAC_161, ASAC_708). 1993: 39 sea-ice cores were collected from 22 sample locations off the Vestfold Hills during October-November. Bacteria were isolated ...


12. Shallow coring in Wilhelm II Land [ASAC_1109]
Shallow firn core data including oxygen isotope, hydrogen peroxide, electrical conductivity and firn density. Firn core data were collected on two separate trips - hence the two sets of dates. The ...


13. Structure and geochemistry of Macquarie Island oceanic crust [ASAC_903]
Owing to the fact that the principal investigstor died before data were able to be archived, the only available data are in the form of the referenced paper, which is available as a PDF download. ...


14. The distribution of volatile and metallic elements in the Macquarie Island glasses and melt inclusions [ASAC_1073_1142]
Primary sulfur abundances and the oxidation state of sulfur in the Macquarie Island glasses and melt inclusions: implications for the sulfur budget during seafloor alteration. The distribution of ...


15. Collaborative Research: Molecular Level Characterization of Organic Matter in Ice Cores using High-resolution FTICR mass spectrometry [hatcher_0739684]
This award supports a project to fully develop the analytical protocols needed to exploit a relatively new technique for the analysis of soluble organic matter in ice core samples. The technique couples ...


16. BASIN TCP STABLE ISOTOPE COMPOSITION OF CO2 IN TERRESTRIAL ECOSYSTEMS [BASIN_TCP]
This data set reports stable isotope ratio data of CO2 (13C/12C and 18O/16O) associated with photosynthetic and respiratory exchanges across the biosphere-atmosphere boundary. Measurements were made ...


17. Allan Hills Stable Water Isotopes, Antarctica [NSIDC-0541]
This data set includes stable water isotope values at 10 m resolution along an ~5 km transect (A-B) through the main icefield of the Allan Hills Blue Ice Area and at 15 cm within a 225 m core drilled ...


18. Glacial history of Foundation Ice Stream, West Antarctica [NSIDC-0548]
The past ice extent and deglaciation history of the Weddell Sea embayment of Antarctica is the single largest uncertainty in relating Antarctic ice volume changes to global sea level change since ...


19. BOREAS TGB-12 Soil Carbon Data: NSA [BOREAS_TGB12SCD]
The BOREAS TGB-12 team made measurements of soil carbon inventories, carbon concentration in soil gases, and rates of soil respiration at several sites to estimate the rates of carbon accumulation ...


20. U-Pb zircon data for Ferrar LIP [U-Pb_zircon_geochronology_Ferrar]
Data set includes U-Pb zircon geochronological data for Ferrar Supergroup (Ferrar Dolerite, Kirkpatrick Basalt) rocks from the Transantarctic Mountains which were collected over several Antarctic ...


21. Crystalline rocks of the Antarctic Peninsula [dlb_APgeothermochron]
This dataset consists of: (1) a suite of crystalline rocks (primarily granitoids & quartzites, with subordinate gneisses, schists, volcanic rocks, and mafic intrusive rocks) collected from the Antarctic ...


22. O2/Ar of surface water measured using an equilibrator inlet mass spectrometer [KPDC_OSWMUEIMS_2012]
O2/Ar in seawater, pumped from the intake at 7 m below sea level, was measured using an equilibrator inlet mass spectrometer. The mass spectrometer measured a series of dissolved gases including O2 ...


23. LBA-ECO CD-06 CARBON CYCLING IN RIVERS IN AMAZONAS AND ACRE, BRAZIL: 2005-2006 [CD06_CARBON_RESPIRATION]
This data set provides measured and calculated variables describing the carbon pools in river waters, CO2 respired from the water and total amount of CO2 evaded, dissolved oxygen isotopes (delta 18O-O2), ...


24. LBA-ECO CD-06 ISOTOPIC COMPOSITION OF CARBON FRACTIONS, AMAZON BASIN RIVER WATER [CD06_C_ISOTOPES]
This data set includes measurements of standard geochemical variables, dissolved CO2, dissolved inorganic carbon (DIC), dissolved organic carbon (DOC), fine particulate organic carbon (FPOC), and ...


25. LBA-ECO ND-07 CARBON AND NITROGEN IN CERRADO PLANTS AND SOILS, BRASILIA: 1999-2000 [ND07_15N_LEAVES_SOIL]
This data set provides (1) delta 15N ratios and nitrogen concentrations for foliar samples and (2) delta 13C and delta 15N ratios as well as carbon and nitrogen concentrations for soil samples collected ...


26. LBA-ECO ND-30 NUTRIENT ANALYSIS AND GAS FLUXES, FOREST CHRONOSEQUENCES, PARA, BRAZIL [ND30_LITTER_PARA]
This data set provides fine litterfall mass and nutrient concentrations from samples collected at chronosequences established at Sao Francisco do Para and Capitao Poco, Para, Brazil. Nitrogen (N) ...


27. LBA-ECO ND-11 LITTER DECOMPOSITION, CARBON, AND NITROGEN DYNAMICS IN AGROFORESTRY [LBA_ND11_NTLL]
It has been proposed that the C/N ratio, or quality, of litter or mulch mixtures affects N release. Although total N release from these mixtures and the effects on soil N are relatively well understood, ...


28. LBA-ECO CD-02 C AND N ISOTOPES IN LEAVES AND ATMOSPHERIC CO2, AMAZONAS, BRAZIL [CD02_C_N_ISOTOPES]
This data set reports delta 13C/12C results for leaf tissues and atmospheric carbon dioxide (CO2), 15N/14N ratios for leaf tissue, and leaf carbon and nitrogen concentrations along a topographical ...


29. LBA-ECO CD-09 SOIL AND VEGETATION CHARACTERISTICS, TAPAJOS NATIONAL FOREST, BRAZIL [CD09_SOILS_VEG_TAPAJOS]
This data set reports the results of soil and vegetation surveys at four distinct areas within the Tapajos National Forest (TNF), 50 to 100 km south of Santarem, Para, Brazil, in November 1999. At ...


30. Carbon and Nitrogen uptake rates of phytoplankton in the Chukchi sea and Canada Basin, 2010 [KPDC_CNURPCSCB_2010]
The first Arctic cruise of ARAON was conducted in the Chukchi Sea and Canada Basin from mid July to mid August in 2010. During the period, the carbon and nitrogen production rates of phytoplankton ...


31. Environmental conditions and C and N uptakes of phytoplankton in Russian Chukchi sea, 2009 [KPDC_ECCNUPRC_2009]
It is very important to study the Chukchi Sea and Arctic Ocean in order to understand the global marine ecosystems responding to the current climate changes, but there have been not much study because ...


32. Environmental conditions and C and N uptakes of phytoplankton in the Bering and Chukchi seas, 2008 [KPDC_ECCNPBC_2008]
As a Chinese IPY event, the 3rd Chinese National Arctic Research Expedition (CHINARE) was conducted from the Chukchi Sea to the central Arctic Ocean from late July to early September in 2008. During ...


33. Primary production by phytoplankton in the Canada Basin, 2009 [KPDC_PPPCB_2009]
The Joint Ocean Ice Study (JOIS) was conducted in the Canada Basin from mid September to mid October in 2009. During the period, the primary productivity of phytoplankton was measured at six different ...


34. Production of phytoplankton and physics and chemistry factors in the Bering and Chukchi Sea, 2007 [KPDC_POPPCFBC_2007]
Oshoro-Maru cruise in 2007 provided an important opportunity to compare the 4 areas with different environmental conditions from the southwestern Bering Sea to the Northern Chukchi Sea. Carbon/nitrogen ...


35. Methyl Chloride, Methyl Bromide, and Carbonyl Sulfide in Deep Antarctic Ice Cores [saltzman_0636953]
This award supports a project to measure methyl chloride, methyl bromide, and carbonyl sulfide in air extracted from Antarctic ice cores.


36. Methane Isotopes in South Pole Firn Air, 2008 [NSIDC-0502]
This data set contains depth profiles for delta carbon-13 (δ13C) and delta deuterium (δD) of methane (CH/4) in South Pole firn air. The investigators obtained air samples from two boreholes ...


37. Oxygen and Deuterium Isotope Measurements from Siberia, 2002-2004 [ARCSS157]
Investigators performed a stable isotope analysis of rain, snow, the Kolyma River, and a local stream near Cherskii, Siberia from 30 June 2002 through 27 April 2004. As part of the Russian-American ...


38. Seawater Chemistry from the North Pole Environmental Observatory, 2000-2005 [ARCSS095]
This data set includes diverse measurements of seawater chemistry along with supplementary conductivity, temperature, depth (CTD); pressure; salinity; potential temperature; and density data from ...


39. Alkanes in Firn Air Samples, Antarctica and Greenland [NSIDC-0504]
This data set contains ethane, propane, and n-butane measurements in firn air from the South Pole and the West Antarctic Ice Sheet (WAIS) Divide in Antarctica, and from Summit, Greenland. The WAIS ...


40. Biogenic Sulfur in the Siple Dome Ice Core [NSIDC-0201]
This data set is a continuous, high-resolution record of biogenic sulfur (methanesulfonate, known as MSA and CH3SO3-) in the 1000 m deep Siple Dome A (SDMA) core, covering 100,000 to 20 years BP. ...


41. Carbon-13 Isotopic Composition of Atmospheric Methane in Firn Air, South Pole and Siple Dome, Antarctica [NSIDC-0310]
This data set includes records of the delta carbon-13 (?13C) of methane (CH4) in firn air from the South Pole and trapped in bubbles in a short ice core from Siple Dome, Antarctica. Using two firn ...


42. Gases in Firn Air and Shallow Ice at the WAIS Drilling Site, Antarctica [NSIDC-0412]
This data set contains trace gas measurements of air extracted from ice core samples from the West Antarctic Ice Sheet Divide A core (WAIS-D 05A). The WAIS A core was dry-drilled at the WAIS site ...


43. Methane Isotopes from the WAIS Divide Ice Core [NSIDC-0435]
This data set includes methane (CH4) isotope data from the West Antarctic Ice Sheet (WAIS) Divide ice core, WDC05A, in Antarctica. The data include depth, gas age, and the isotopic composition of ...


44. Multiple Isotope Analysis of Sulfate in the West Antarctic Ice Sheet Divide Ice Core [NSIDC-0479]
This data set contains measurements of multiple sulfur and oxygen isotopes from sulfates, from an ice core drilled at the West Antarctic Ice Sheet (WAIS) Divide site in 2005. The initial sulfate measurements, ...


45. Trapped Gas Composition and Chronology of the Vostok Ice Core [NSIDC-0311]
This data set includes a time scale for the Vostok ice core, retrieved from Vostok Station on the East Antarctic Plateau. This chronology is derived by orbitally tuning to molecular oxygen to nitrogen ...


46. Nitrogen and Oxygen Gas Isotopes in the Siple Dome and Byrd Ice Cores, Antarctica [NSIDC-0407]   PARENT DIF
This data set consists of Gas-isotopic data from the Siple Dome and and Greenland Ice Sheet Project 2 (GISP2) ice cores covering roughly the last 100,000 years (100 ka), consisting of d15N (15N/14N) ...


47. Coring Data from Drained Thaw-Lake Basins of the Arctic Coastal Plain, Alaska [ARCSS143]
This data set includes measurements and observations taken from drained thaw-lake basin (DTLB) cores retrieved from Barrow and Atqasuk, Alaska in April and August of 2001 through 2003. Investigators ...


48. GISP2 Stable Isotopes (Deuterium, Deuterium Excess, and Oxygen) [ARCSS137]
The data compiled here consist of GISP2 deuterium, deuterium excess, and oxygen isotope values measured at the Stable Isotope Laboratory, Institute of Arctic and Alpine Research (INSTAAR), University ...


49. Hydrographic Parameters from Fram Strait and Denmark Strait, 1998 [ARCSS105]
This data set includes data for the following parameters: dissolved barium; bottom depth; pressure; temperature; salinity; dissolved oxygen; phosphate; siliceous acid; nitrate; nitrite; and oxygen ...


50. Radiocarbon Dates and Pollen Data, Peterson Erosional Remnant, Arctic Coastal Plain, Alaska [ARCSS136]
This data set consists of pollen data and radiocarbon (14C) dates resulting from microscopic analysis and mass spectrometry of soil cores taken from the Peterson Erosional Remnant, located ...


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