| 117 Titles Match Your Query |
Showing 1 through 50 of 117
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1.
LBA-ECO LC-07 METHANE AND CARBON DIOXIDE EMISSIONS FROM BALBINA RESERVOIR, BRAZIL [LC07_RESERVOIR_GHG]
This data set provides flux measurements of methane (CH4) and carbon dioxide (CO2) from surface waters to the atmosphere. It also provides CH4, CO2, and oxygen (O2) concentrations of surface water, ...
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2.
The fate of primary production in Antarctic sea ice: the role of metazoan grazers. [ASAC_1328]
Crustaceans are an important component of the Antarctic marine ecosystem. Large numbers live in or close to the sea-ice cover, using it as a refuge from predation and a source of food. However, the ...
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3.
Measurements of oceanic methane, carbon dioxide and ammonia made during research cruises as part of CARIACO in Southern Caribbean Sea beginning in November 1995 and on-going [SOLAS_CARIACO]
PARENT DIF
This metadata entry refers to measurements of oceanic methane made by Mary Scrantonn, oceanic carbon dioxide made by Yrene Astor and oceanic ammonia made by Kent Fanning during research cruises in ...
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4.
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) ...
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5.
LBA-ECO ND-02 SOIL GAS AND WATER CONTENT, RAINFALL EXCLUSION, TAPAJOS NATIONAL FOREST [ND02_SOIL_GASES_REE]
This data set reports soil carbon dioxide (CO2) and nitrous oxide (N2O) concentrations and soil volumetric water content (VWC) from a rainfall exclusion experiment that was conducted at the km 67 ...
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6.
LBA-ECO TG-07 LONG-TERM SOIL GAS FLUX AND ROOT MORTALITY, TAPAJOS NATIONAL FOREST [TG07_ROOT_MORTALITY_LONGTERM]
This data set reports measurements of trace gas fluxes of methane (CH4), nitric oxide (N2O), nitrous oxide (NO), carbon dioxide (CO2) from soils at a study site in the Tapajos National Forest (TNF), ...
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7.
LBA-ECO ND-02 AGRICULTURAL AND SECONDARY FOREST SOIL TRACE GAS FLUX, PARA: 2001-2004 [LBA_ASFSTGF_PARA]
Fires set for slash-and-burn agriculture contribute to the current unsustainable accumulation of atmospheric greenhouse gases, and they also deplete the soil of essential nutrients, which compromises ...
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8.
LBA-ECO TG-07 A SOIL TRACE GAS FLUX AND ROOT MORTALITY, TAPAJOS NATIONAL FOREST [LBA_TG07_STGFARM]
We conducted an experiment on sand and clay tropical forest soils to test the short-term effect of root mortality on the soil-atmosphere flux of nitrous oxide, nitric oxide, methane, and carbon dioxide. ...
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9.
LBA-ECO TG-07 TRACE GAS FLUXES, UNDISTURBED AND LOGGED SITES, PARA, BRAZIL: 2000-2002 [LBA_TG07_TGF]
Selective logging is an extensive land use in the Brazilian Amazon region. We studied the soil-atmosphere fluxes of nitrous oxide (N2O), nitric oxide (NO), methane (CH4), and carbon dioxide (CO2) ...
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10.
PRE-LBA TRACE-A DATA [LBA_TRACE-A]
This data set contains atmospheric chemistry and meteorological data from the NASA Transport and Atmospheric Chemistry near the Equator-Atlantic (TRACE-A) field study. The NASA TRACE-A study took ...
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11.
LBA-ECO TG-07 SEASONAL TRACE GAS PROFILES IN BRAZILIAN AMAZON FORESTS: 2004-2005 [TG07_TRACE_GAS_PROFILES]
This data set provides concentrations of carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O) from air samples collected at several heights on towers at three locations in upland old growth ...
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12.
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.
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13.
Annual measurements of atmospheric methane concentrations and isotopic ratios from Arrival Heights, Ross Island [K087_1989_2012_NZ_1]
The atmospheric trace gas, methane (CH4), affects the radiative heat balance of the earth. The sources of atmospheric methane are not well understood. Large air samples (1000-1400 litres) of methane ...
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14.
Concentration and isotopic measurements of radiatively important gases in the southern atmosphere [CSIRO_AR_GASLAB]
Australian Antarctic Division project #124 monitors the background level of major greenhouse gases, and related species (carbon dioxide, methane, carbon monoxide, nitrous oxide, hydrogen, and carbon ...
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15.
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 ...
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16.
LBA-ECO LC-07 METHANE RELEASES FROM TWO AMAZON HYDRORESERVOIRS, BRAZIL: 2000-2001 [LC07_RESERVOIR_METHANE]
This data set reports methane (CH4) fluxes at the water-air interface and concentrations and isotopic signals of CH4 in the bubbles stirred up from the sediment in Tucurui and Samuel reservoirs in ...
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17.
Civil Aircraft for the Regular Investigation of the atmosphere Based on an Instrument Container (CARIBIC): Atmospheric Chemical and Physical Processes Measured from Passenger Aircraft [CARIBIC]
The Civil Aircraft for the Regular Investigation of the atmosphere Based on an
Instrument Container (CARIBIC) is an aircraft based scientific project. Before
take-off a special air freight container ...
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18.
Contamination in sediments, bivalves and sponges of McMurdo Sound, Antarctica [ECA004]
Data consist of environmental contamination deriving from the presence of scientific bases. Negri et al. (2006) examined the concentrations of total hydrocarbons (THC), PCBs, PAHs, in marine sediments ...
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19.
Interaction between Carbon and Sulfur Cycles in Antarctic Stratified Lakes and Fjords [ASAC_1166]
---- Public Summary from Project ----
The lakes and fjords of the Vestfold Hills region of Antarctica provide unique ecosystems for studying environmental changes in Antarctica over the past 8000 ...
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20.
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; ...
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21.
LBA-ECO TG-07 SOIL TRACE GAS FLUXES KM 67 SECA-FLORESTA SITE, TAPAJOS NATIONAL FOREST [TG07_MANUAL_FLUX]
Trace gas fluxes of carbon dioxide, methane, nitrous oxide, and nitric oxide (CO2, CH4, N2O, and NO) from surface soil were measured manually in an undisturbed forest at the Tapajos National Forest ...
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22.
Biodiversity and ecophysiology of Antarctic sea-ice bacteria [ASAC_1012]
The data set includes imformation relevant for the study and description of sea-ice bacteria contains the following dataset subgroups and is organised by REFERENCE number.
1) Isolation data: strain ...
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23.
The Second Airborne Arctic Stratospheric Expedition (AASE-II) on CD-ROM [AASE9192]
This CD-ROM contains the final data pertaining to the Airborne Arctic Stratospheric Expedition II (AASE-II) which was based in Bangor, Maine between October 1991 and March 1992, with ER-2 flights ...
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24.
LBA-ECO ND-02 SOIL GAS FLUX, RAINFALL EXCLUSION, KM 67, TAPAJOS NATIONAL FOREST [LBA_REE]
Moist tropical forests in Amazonia and elsewhere are subjected to increasingly severe drought episodes through the El Nino-Southern Oscillation (ENSO) and possibly through deforestation-driven reductions ...
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25.
LBA-ECO ND-02 TRACE GAS FLUX FROM FOREST SOIL, PARA, BRAZIL: 1999-2001 [LBA_FERT]
Understanding secondary successional processes in Amazonian terrestrial ecosystems is becoming increasingly important as continued deforestation expands the area that has become secondary forest, ...
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26.
The Biochemistry, Ecology and Organic Geochemistry of Phaeocystis pouchetii communities of Davis Base, Antarctica [ASAC_113]
This metadata record covers ASAC projects 113, 191 and 625. (ASAC_113, ASAC_191, ASAC_625).
The total lipid, fatty acid, sterol and pigment composition of water column particulates collected ...
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27.
Southern Ocean Dimethylsulfide(DMS) and dimethylsulfoniopropionate (DMSP) concentrations, UM0809 [UM0809_9_dms_dmsp]
Concentrations of DMS and DMSP measured with GC-FPD, purge and trap method in the Southern Ocean. The data were obtained during the cruise of TR/V Umitaka-Maru in 2008/2009 Austral summer. Seawater ...
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28.
Dimethylsulfide(DMS) and dimethylsulfoniopropionate (DMSP) concentrations, UM0405 [UM0405_9_dms_dmsp]
Concentrations of DMS and DMSP measured with GC-FPD, purge and trap method in the Southern Ocean. The data were obtained during the cruise of TR/V Umitaka-Maru in 2004/2005 Austral summer. Seawater ...
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29.
Atmospheric Trends of Carbon Monoxide (CO) by Khalil and Rasmussen [OGI_CO_TRENDS]
Carbon monoxide (CO) is a weak greenhouse gas but it is an important
precursor to tropospheric ozone (O3) and other trace gases in the
Earth's atmosphere, which can cause widespread changes ...
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30.
Greenhouse Gas Concentrations and Trends from the World Data Centre for Greenhouse Gases (WDCGG) [WDCGG]
The World Data Centre for Greenhouse Gases (WDCGG) was established at the Japan Meteorological Agency (JMA) in the framework of the World Meteorological Organization (WMO Global Atmosphere Watch (GAW) ...
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31.
PCBs and PAHs in marine sediment, of Admiralty Bay [ECA003]
This project focused on the PCBs in sediments of Admiral Bay on King George Island collected in the 1993/1994 austral summer. The individual concentrations of PCB congeners ranged from < 0.05 to 0.57 ...
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32.
LBA-ECO ND-02 SOIL TRACE GAS FLUXES IN EASTERN AMAZONIA, PARA, BRAZIL: 1999-2003 [LBA_ND02_SGF_Apeu]
Changes in land-use and climate are likely to alter moisture and substrate availability in tropical forest soils, but quantitative assessment of the role of resource constraints as regulators of soil ...
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33.
Measurements of oceanic and atmospheric methane, CO2 and ammonium made during the Belgica BG9506 research cruise in the North East Atlantic during March, 1995 [SOLAS_BG9506]
PARENT DIF
This metadata entry refers to measurements of oceanic and atmospheric methane made by Robin Keir (OMEX-I project member); oceanic carbon dioxide made by Michel Frankignoulle; and oceanic ammonium ...
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34.
Trace Gases from the Atmospheric Lifetime Experiment/Global Atmospheric Gases Experiment/Advanced GAGE (ALE/GAGE/GAGE) from CDIAC/DB1001 [ALE_GAGE_AGAGE_NETWORK]
In the ALE/GAGE/AGAGE global network program, continuous high frequency gas
chromatographic measurements of two biogenic/anthropogenic gases (methane, CH4;
nitrous oxide, N2O) and eight ...
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35.
Annual measurements of atmospheric carbon dioxide concentrations and isotopic ratios from Arrival Heights, Ross Island since December 1996 [K087_1996_2008_NZ_1]
Carbon dioxide (CO2) in the earth's atmosphere is considered a trace gas and also a greenhouse gas. Levels of CO2 in the atmosphere are increasing due to anthropogenic activity. Small dry whole air ...
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36.
Annual measurements of atmospheric methane concentrations and isotopic ratios from Arrival Heights, Ross Island since November 1989 [K087_1989_2008_NZ_1]
The atmospheric trace gas, methane (CH4), affects the radiative heat balance of the earth. The sources of atmospheric methane are not well understood. Large air samples (1000-1400 litres) of methane ...
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37.
Annual measurements of the stable carbon composition of carbon dioxide 13CO2 in the atmosphere from Arrival Heights, Ross Island since March 1997 [K087_1997_2008_NZ_1]
Measurements of the stable carbon composition of carbon dioxide (13CO2) are collected by small dry whole air samples (2L) annually (between 12 to 18 samples since March 1997) by a pump system from ...
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38.
Measurements of carbon dioxide concentrations from the atmosphere via equipment aboard supply aircrafts operating between Christchurch, New Zealand and McMurdo Sound [K087_1996_2008_NZ_2]
Carbon dioxide (CO2) in the earth's atmosphere is considered a trace gas and also a greenhouse gas. Levels of CO2 in the atmosphere are increasing due to anthropogenic activity. An automated flask ...
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39.
Measurements of carbon monoxide concentrations and isotopic ratios from the atmosphere via equipment aboard supply aircrafts operating between Christchurch, New Zealand and McMurdo Sound [K087_1991_2008_NZ_2]
Carbon monoxide (CO) is a trace gas in the atmosphere. The use of the radioactive isotope 14C in carbon monoxide is useful for determining the oxidative capacity via oxidation by hydroxyl (OH). Large ...
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40.
Measurements of methane concentrations and isotopic ratios from the atmosphere via equipment aboard supply aircrafts operating between Christchurch, New Zealand and McMurdo Sound [K087_1989_2008_NZ_2]
The atmospheric trace gas, methane (CH4), affects the radiative heat balance of the earth. Measurements of the carbon and hydrogen isotopes in atmospheric methane are used to relate this climatically ...
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41.
Measurements of tropospheric aerosols and meteorological data in remote marine region in Antarctica to compare with New Zealand measurements to help understand the sulphur cycles influence on global climate [K176_1991_1992_NZ_1]
Dimethylsulphide (DMS) and sub-micron atmospheric particles are key components in the atmospheric sulphur cycle. DMS produced by biota in the oceans is thought to be the main source of atmospheric ...
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42.
Oceanic Total Carbon Dioxide, Partial Carbon Dioxide and Alkalinity Measured during the JGOFS Equatorial Pacific Process Study [JGOFS_EQPAC_CO2]
The Equatorial Pacific Process Study (EQPAC) was conducted along 140 deg W
longitude during 1992.
Four cruises took place: February 3 - March 9, March 19 - April ...
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43.
Annual measurements of atmospheric nitrous oxide concentrations from Arrival Heights, Ross Island since May 1996 [K087_1996_2008_NZ_3]
Nitrous oxide (N2O) is the main naturally occurring regulator of stratospheric ozone and is therefore a major greenhouse gas. Small whole dry air samples (2L) are collected annually (between 12 to ...
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44.
Measurements of nitrous oxide concentrations from the atmosphere via equipment aboard supply aircrafts operating between Christchurch, New Zealand and McMurdo Sound [K087_1996_2008_NZ_4]
Nitrous oxide (N2O) is the main naturally occurring regulator of stratospheric ozone and is therefore a major greenhouse gas. An automated flask sampling system is used to collect small atmospheric ...
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45.
Measurements of carbon dioxide concentrations and isotopic ratios from air samples collected at the surface and at altitude between New Zealand and the South Pole to determine if the Southern Ocean is a carbon sink [K087_1998_2004_NZ_1]
Carbon dioxide concentrations between New Zealand and the South Pole were found to vary for periods of several years suggesting that the Southern Ocean is acting as a sink. The role of the Southern ...
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46.
Harvard Forest AmeriFlux Hourly Hydrocarbon Measurements: 1992-1995, from CDIAC [AMERIFLUX_HC_HF_CDIAC]
PARENT DIF
The Harvard Forest environmental measurement site is part of the
AmeriFlux network of field research projects quantifying the exchange
of carbon dioxide between terrestrial ecosystems ...
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47.
Long-Term CO2 Flux Measurements at Harvard Forest from the AmeriFlux Program: 1990-1996, at CDIAC [AMERIFLUX_HARVARDFOREST_CDIAC]
CHILD DIFs
The Harvard Forest environmental measurement site is part of the
AmeriFlux network of field research projects quantifying the exchange
of carbon dioxide between terrestrial ecosystems ...
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48.
Trace gas and aerosol measurements during the TRAnsport and Chemical Evolution over the Pacific (TRACE-P) [GTE_TRACE-P_Data]
The objectives of the Transport and Chemistry Experiment in the
Pacific (TRACE-P), conducted in March/April 2001, were 1)
determine the chemical composition of the Asian outflow ...
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49.
Measurements of atmospheric halocarbons, aerosols, ethene, methane, nitrous oxide, carbon dioxide, organosulfur compounds, isoprene and methanol at the Cape Verde Atmospheric Observatory beginning in Oct. 2006-ongoing [SOLAS_CVAO]
PARENT DIF
This metadata entry refers to measurements of atmospheric halocarbons, aerosols, ethene, methane, nitrous oxide, carbon dioxide, carbon monoxide, organosulfur compounds, isoprene and methanol made ...
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50.
Indian Ocean Experiment (INDOEX) Data (U.S.) at UCAR/JOSS/NOAA/CODIAC [INDOEX_UCAR_JOSS_NOAA_CODIAC]
The Indian Ocean Experiment (INDOEX) is a focused field experiment in
the Indian Ocean with international participation from the United
...
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Showing 1 through 50 of 117
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