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1. Atmospheric CH4 Concentrations from the CSIRO GASLAB Flask Sampling Network, in CDIAC Online Trends [CDIAC_TRENDS_CH4_CSIRO_GASLAB]
[From the online documentation for CSIRO GASLAB CH4 data]: The listed data have been obtained from flask air samples returned to the CSIRO GASLAB for analysis. Typical sample storage times range ...


2. Atmospheric CO2 Concentrations from the CSIRO GASLAB Flask Sampling Network, in CDIAC Online Trends [CDIAC_TRENDS_CO2_CSIRO_GASLAB]
[From the online documentation for CSIRO GASLAB CO2 data]: Individual measurements have been obtained from flask air samples returned to the CSIRO GASLAB. Typical sample storage times range from ...


3. Atmospheric Carbon Isotope (C-13) Concentrations from the CSIRO GASLAB Flask Sampling Network, in CDIAC Online Trends [CDIAC_TRENDS_C13_CSIRO_GASLAB]
Measurements have been made on air collected in flasks at the CSIRO GASLAB worldwide network. Flasks are filled with air at each site and returned to the CSIRO GASLAB for analysis. For stable isotope ...


4. Climatological Data for Clouds Over the Globe from Surface Observations, CDIAC NDP-026 [CDIAC_NDP26]
This package documents climatological data for clouds derived from surface observations. The data files document the numerical results included on the maps in the atlases referenced and provide additional ...


5. The Early and Updated Versions of the Global Grid Point Surface Air Temperature Anomaly Data Set: 1851-1990, CDIAC NDP-020/R1 [CDIAC_NDP20]
The early version consists of monthly surface-air temperature anomalies for both hemispheres, relative to a 1951-1970 reference period, on a 5 X 10 degree latitude/longitude global grid. Another data ...


6. Global Population Distribution (1990), Terrestrial Area and Country Name Information on a 1 x 1 Degree Grid Cell Basis, CDIAC/DB1016 [CDIAC_DB1016]
This data base (DB1016) contains gridded (one degree by one degree) information on the world-wide distribution of the population for 1990 and country-specific information on the percentage of the ...


7. Annual Estimates of Global Anthropogenic Methane Emissions: 1860-1994, in CDIAC/Trends [TRENDS_CH4_EMISSIONS]
Estimates of man-made (anthropogenic) emissions of methane (CH4), from 1860 through 1994 are available in this data set. Data are provided for the following sources: - Flaring and Venting of Natural ...


8. Atmospheric Methane (CH4) Emissions from Energy-Related Sources [CH4_ENERGY_EMISSIONS]
This dataset provides global national and United States data on energy-related sources of methane (CH4) emission including coal mining, natural gas production and distribution, automotive exhausts ...


9. CO2 Emission Estimates from Fossil-Fuel Burning, Hydraulic Cement Production, and Gas Flaring for 1995 on a 1 Degree Grid, CDIAC/NDP058A [CDIAC_NDP058A]
The Numeric Data Package (NDP-058A) presents the gridded (one degree latitude by one degree longitude) summed emissions from fossil-fuel burning, hydraulic cement production and gas flaring for 1995. ...


10. Estimates of Annual Fossil-Fuel CO2 Emitted for Each State in the U.S.A. and the District of Columbia for Each Year from 1960 through 2001, CDIAC/Trends [CDIAC_TRENDS_CO2USA]
These energy consumption data were multiplied by their respective carbon dioxide emission factors, which are called carbon content coefficients by the U.S. Environmental Protection Agency (EPA). These ...


11. Tropical Africa: Land Use, Biomass, and Carbon Estimates for 1980, CDIAC/NDP055 [CDIAC_NDP055]
[Summary adapted from the NDP-055 documentation] This numeric data package (NDP-055) describes a land-use and biomass database for Tropical Africa that contains 1980 land cover, maximum potential ...


12. Historical CO2 Record from the Vostok Ice Core in CDIAC [CDIAC_CO2_VOSTOK_ICECORE]
Atmospheric concentrations of carbon dioxide (CO2) have been derived from ice cores in Antarctica. In January 1998, the collaborative ice-drilling project between Russia, the United States, ...


13. Historical Sunshine and Cloud Data in the United States, CDIAC NDP-021/R1 [CDIAC_NDP21]
This package contains monthly sunshine data from 240 U.S. stations (including Puerto Rico and nine Pacific Islands) and monthly cloud amount data from 197 U.S. stations. The longest periods of record ...


14. A Coastal Hazards Data Base for the U.S. East Coast, CDIAC NDP-043A [CDIAC_NDP43A]
This data base may be used by raster or vector geographic information systems (GIS) and non-GIS data bases to assess the risk of coastlines to erosion or sea level rise. The data base ...


15. Indian Ocean Radiocarbon: Data from the INDIGO 1, 2, and 3 Cruises, CDIAC NDP-036 [CDIAC_NDP36]
This dataset presents Carbon 14 activities from water samples taken at various locations and depths in the Indian and Southern Oceans through the Indien Gaz Ocean (INDIGO) project. These ...


16. Atmospheric Solar Transmission at Mauna Loa, Hawaii, in CDIAC, Trends '93 [CDIAC_SOLARTRANS_TRENDS93]
The atmospheric transmission of solar irradiation at Mauna Loa, Hawaii was measured over a broad spectral band by means of a normal-incidence pyrheliometer having a quartz window transmitting ...


17. 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 ...


18. AmeriFlux CO2, Water Vapor, and Energy Exchange from Native Tallgrass Prairie Site Near Shidler, Oklahoma, 1996-1997 [AMERIFLUX_SHIDLER-CDIAC]
The tallgrass site near Shidler, Oklahoma is part of the AmeriFlux network of field research projects measuring the exchange of carbon dioxide (CO2) between terrestrial ecosystems and ...


19. AmeriFlux CO2, Water Vapor, and Energy Exchange from a Wheat Site Near Ponca, Oklahoma 1996-1997 [AMERIFLUX_PONCA_CDIAC]
The wheat site near Ponca, Oklahoma is part of the AmeriFlux network of field research projects measuring the exchange of carbon dioxide (CO2) between terrestrial ecosystems and the atmosphere. ...


20. CO2, Hydrographic, and Chemical Data Obtained During the R/V Meteor Cruise 18/1 in the North Atlantic Ocean, CDIAC/NDP056 [CDIAC_NDP056]
[Summary adopted from the NDP-056 documentation] The North Atlantic Ocean is characterized by an intense meridional circulation cell carrying near-surface waters ...


21. Climatological Data for Clouds Over the Globe from Surface Observations, 1982-1991, (Total Cloud Edition) CDIAC NDP-026A [CDIAC_NDP026A]
The dataset includes global coverage of analyzed cloud data obtained from routine, surface synoptic weather reports from ships and land stations over the entire globe, for the 10-year ...


22. Edited Synoptic Cloud Reports from Ships and Land Stations Over the Globe, 1982-1991, CDIAC/NDP-026B [CDIAC_NDP026B]
[Summary from CDIAC: "http://cdiac.esd.ornl.gov/cdiac/ndps/ndp026b.html"] Synoptic surface weather reports for the entire globe for the 10-year period from December 1981 through ...


23. Global Patterns of Carbon Dioxide Emissions from Soils on a 0.5 Degree Grid Cell Basis, CDIAC/DB1015 [CDIAC_DB1015]
[Summary adopted from db1015 documentation] This database contains global, spatially explicit (0.5 degree grid cells) and temporally explicit (monthly and annual) model output of ...


24. Harvard Forest AmeriFlux Hourly Carbon Dioxide (CO2), Water Vapor, and Energy Exchange: 1991-1996, at CDIAC [AMERIFLUX_CO2_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 ...


25. 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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