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ISLSCP II Parameter List

This is a list of parameters included in the ISLSCP II data sets. Each parameter can appear in multiple data sets. The list is organized alphabetically by parameter, and includes additional scaling and unit information for each parameter. Click on the name of the Data Set you are interested in to continue the data-extraction process.

Indexes: Archive Contents | Data Set Details | Data by Scale | General Categories | Paramater List

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Parameter Data Set Name Temporal Coverage Temporal Frequency Spatial Coverage Units

Albedo ECMWF Near-Surface Meteorology Parameters 1986-1995 fixed 1 degree unitless

ERBE Monthly Albedo 1986-1990 monthly 2.5, 1 degree unitless

NCEP II Reanalysis Meteorology Data 1986-1995 fixed 1 degree percent

NOAA 5-year Average Monthly Snow-free Albedo from AVHRR 1985-1991 5-year average 1, 0.5, 0.25 degree unitless

Albedo, All-Sky Surface SRB Radiation Data 1986-1995 monthly 1 degree unitless

Albedo, Black-Sky AVHRR Albedo and BRDF from 1995 1995 monthly 1, 0.5, 0.25 degree unitless

MODIS Albedo from 2002 2002 every 16 days 1, 0.5, 0.25 degree unitless

MODIS Filled Albedo from 2002 2002 every 16 days 1, 0.5, 0.25 degree unitless

Albedo, Clear-Sky Surface SRB Radiation Data 1986-1995 monthly 1 degree unitless

Albedo, Snow-Free Snow-Free Albedo and Background VIS/NIR Reflectances 1982-1998 monthly 1 degree unitless

Albedo, White-Sky AVHRR Albedo and BRDF from 1995 1995 monthly 1, 0.5, 0.25 degree unitless

MODIS Albedo from 2002 2002 every 16 days 1, 0.5, 0.25 degree unitless

MODIS Filled Albedo from 2002 2002 every 16 days 1, 0.5, 0.25 degree unitless

Aspect HYDRO1k Elevation-derived Products na na 0.5 degree degrees from North

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Parameter	Data Set Name	Temporal Coverage	Temporal Frequency	Spatial Coverage	Units
Albedo	ECMWF Near-Surface Meteorology Parameters	1986-1995	fixed	1 degree	unitless
ERBE Monthly Albedo	1986-1990	monthly	2.5, 1 degree	unitless
NCEP II Reanalysis Meteorology Data	1986-1995	fixed	1 degree	percent
NOAA 5-year Average Monthly Snow-free Albedo from AVHRR	1985-1991	5-year average	1, 0.5, 0.25 degree	unitless
Albedo, All-Sky Surface	SRB Radiation Data	1986-1995	monthly	1 degree	unitless
Albedo, Black-Sky	AVHRR Albedo and BRDF from 1995	1995	monthly	1, 0.5, 0.25 degree	unitless
MODIS Albedo from 2002	2002	every 16 days	1, 0.5, 0.25 degree	unitless
MODIS Filled Albedo from 2002	2002	every 16 days	1, 0.5, 0.25 degree	unitless
Albedo, Clear-Sky Surface	SRB Radiation Data	1986-1995	monthly	1 degree	unitless
Albedo, Snow-Free	Snow-Free Albedo and Background VIS/NIR Reflectances	1982-1998	monthly	1 degree	unitless
Albedo, White-Sky	AVHRR Albedo and BRDF from 1995	1995	monthly	1, 0.5, 0.25 degree	unitless
MODIS Albedo from 2002	2002	every 16 days	1, 0.5, 0.25 degree	unitless
MODIS Filled Albedo from 2002	2002	every 16 days	1, 0.5, 0.25 degree	unitless
Aspect	HYDRO1k Elevation-derived Products	na	na	0.5 degree	degrees from North

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Parameter Data Set Name Temporal Coverage Temporal Frequency Spatial Coverage Units

Bare Ground Cover Continuous Fields of Vegetation Cover 1992 na 1, 0.5, 0.25 degree percent

BRDF Parameters AVHRR Albedo and BRDF from 1995 1995 monthly 1, 0.5, 0.25 degree unitless

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Parameter	Data Set Name	Temporal Coverage	Temporal Frequency	Spatial Coverage	Units
Bare Ground Cover	Continuous Fields of Vegetation Cover	1992	na	1, 0.5, 0.25 degree	percent
BRDF Parameters	AVHRR Albedo and BRDF from 1995	1995	monthly	1, 0.5, 0.25 degree	unitless

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Parameter	Data Set Name	Temporal Coverage	Temporal Frequency	Spatial Coverage	Units
C4 Vegetation	C4 Vegetation Percentage	na	na	1 degree	percent
Canopy Resistance	NCEP II Reanalysis Meteorology Data	1986-1995	fixed	1 degree	sec/m
Carbon, Dissolved Organic	Atmospheric CO2 Consumption by Continential Erosion	na	fixed	1, 0.5 degree	Tg C/year
Global River Fluxes of Carbon and Sediments	na	fixed	2.5, 1, 0.5 degree	Tg C/year
Carbon, Particulate Organic	Atmospheric CO2 Consumption by Continential Erosion	na	fixed	1, 0.5 degree	Tg C/year
Global River Fluxes of Carbon and Sediments	na	fixed	2.5, 1, 0.5 degree	Tg C/year
Carbon, Suspended Solids	Atmospheric CO2 Consumption by Continential Erosion	na	fixed	1, 0.5 degree	Tg C/year
Global River Fluxes of Carbon and Sediments	na	fixed	2.5, 1, 0.5 degree	Tg C/year
Cloud Amount, Total	SRB Cloud Data	1986-1995	monthly	1 degree	percent
Cloud Cover	CRU Monthly Climate	1986-1995	monthly	1, 0.5 degree	oktas
CRU Monthly Mean 1961-1990	1961-1990	monthly	1, 0.5 degree	percent
Cloud Liquid Water Path	SRB Cloud Data	1986-1995	monthly	1 degree	gm/cm2
Cloud Optical Depth	SRB Cloud Data	1986-1995	monthly	1 degree	na
CO Emissions	EDGAR Emission Database for Global Atmospheric Research	1970-1995	decadal	1 degree	kg/year
CO2 Atmospheric Concentration	Atmospheric CO2 Consumption by Continential Erosion	na	fixed	1, 0.5 degree	Tg C/year
FLUXNET CO2 Flux Measurements	1992-1995	hourly, daily, weekly, monthly, yearly	point	Ppm
Global River Fluxes of Carbon and Sediments	na	fixed	2.5, 1, 0.5 degree	Tg C/year
GlobalView: Atmospheric CO2 Concentrations	various	various	point	?
CO2 Emissions	CO2 Emissions from Fossil Fuel Burning	1960-1995	yearly	1 degree	thousand metric tons of C/year
EDGAR Emission Database for Global Atmospheric Research	1970-1995	decadal	1 degree	kg/year
CO2 Net Ocean-Air Flux	Air Sea CO2 Gas Exchange	1995	monthly average	5x4, 1 degree	uatm
CO2 Sea-Air Partial Difference	Air Sea CO2 Gas Exchange	1995	monthly average	5x4, 1 degree	uatm
Compound Topographic Index (CTI)	HYDRO1k Elevation-derived Products	na	na	0.5 degree	unitless
Cropland Cover (fractional)	Historical Croplands Cover	1700-1992	various	1, 0.5 degree	fraction

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Parameter Data Set Name Temporal Coverage Temporal Frequency Spatial Coverage Units

Elevation HYDRO1k Elevation-derived Products na once 0.5 degree meters

River Routing Data (STN-30p) na once 1, 0.5 degree meters

Evaporation Rate ECMWF Near-Surface Meteorology Parameters 1986-1995 3-hourly, 3hr-diurnal 1 degree mm/sec

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Parameter	Data Set Name	Temporal Coverage	Temporal Frequency	Spatial Coverage	Units
Elevation	HYDRO1k Elevation-derived Products	na	once	0.5 degree	meters
River Routing Data (STN-30p)	na	once	1, 0.5 degree	meters
Evaporation Rate	ECMWF Near-Surface Meteorology Parameters	1986-1995	3-hourly, 3hr-diurnal	1 degree	mm/sec

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Parameter Data Set Name Temporal Coverage Temporal Frequency Spatial Coverage Units

FAPAR (Fraction of Absorbed Photosynthetically Active Radiation) FASIR NDVI Biophysical Parameter Fields 1982-1998 monthly 1, 0.5, 0.25 degree unitless

FASIR FASIR NDVI Biophysical Parameter Fields 1982-1998 monthly 1, 0.5, 0.25 degree na

FASIR NDVI Monthly 1982-1998 monthly 1, 0.5, 0.25 degrees na

Flux, All-Sky Diffuse Shortwave SRB Radiation Data 1986-1995 3hr-diurnal, monthly 1 degree W/m2

Flux, All-Sky Downward Longwave/Shortwave SRB Radiation Data 1986-1995 3-hourly, 3hr-diurnal, monthly 1 degree W/m2

Flux, All-Sky Net Longwave/Shortwave SRB Radiation Data 1986-1995 3-hourly, 3hr-diurnal, monthly 1 degree W/m2

Flux, All-Sky Net Total SRB Radiation Data 1986-1995 3hr-diurnal, monthly 1 degree W/m2

Flux, All-Sky PAR SRB Radiation Data 1986-1995 3hr-diurnal, monthly 1 degree W/m2

Flux, Clear-Sky Downward Shortwave SRB Radiation Data 1986-1995 3hr-diurnal, monthly 1 degree W/m2

Flux, Dissolved Organic Carbon Atmospheric CO2 Consumption by Continential Erosion na fixed 1, 0.5 degree Tg C/year

Global River Fluxes of Carbon and Sediments na fixed 2.5, 1, 0.5 degree Tg C/year

Flux, Latent Heat ECMWF Near-Surface Meteorology Parameters 1986-1995 3-hourly, 3hr-diurnal 1 degree W/m2

FLUXNET CO2 Flux Measurements 1992-1995 hourly, daily, weekly, monthly, yearly point W/m2

NCEP II Reanalysis Meteorology Data 1986-1995 3hr-diurnal 1 degree W/m2

Flux, Net Ocean-Air CO2 Air Sea CO2 Gas Exchange 1995 monthly average 5x4, 1 degree uatm

Flux, Net Radiation FLUXNET CO2 Flux Measurements 1992-1995 hourly, daily, weekly, monthly, yearly point MJ/m2/ month (or year)

Flux, Particulate Organic Carbon Atmospheric CO2 Consumption by Continential Erosion na fixed 1, 0.5 degree Tg C/year

Global River Fluxes of Carbon and Sediments na fixed 2.5, 1, 0.5 degree Tg C/year

Flux, Sensible Heat ECMWF Near-Surface Meteorology Parameters 1986-1995 3-hourly, 3hr-diurnal 1 degree W/m2

FLUXNET CO2 Flux Measurements 1992-1995 hourly, daily, weekly, monthly, yearly point W/m2

NCEP II Reanalysis Meteorology Data 1986-1995 3hr-diurnal 1 degree W/m2

Flux, Soil Heat FLUXNET CO2 Flux Measurements 1992-1995 hourly, daily, weekly, monthly, yearly point W/m2

Flux, Surface Downward Longwave/Shortwave NCEP II Reanalysis Meteorology Data 1986-1995 3-hourly, 3hr-diurnal 1 degree W/m2

Flux, Surface Net Longwave/Shortwave NCEP II Reanalysis Meteorology Data 1986-1995 3-hourly, 3hr-diurnal 1 degree W/m2

Flux, Surface Upward Longwave/Shortwave SRB Radiation Data 1986-1995 3hr-diurnal, monthly 1 degree W/m2

Flux, ToA Net Longwave/Shortwave NCEP II Reanalysis Meteorology Data 1986-1995 3hr-diurnal 1 degree W/m2

Flux, ToA Reflected Shortwave SRB Radiation Data 1986-1995 3hr-diurnal, monthly 1 degree W/m2

Friction Velocity FLUXNET CO2 Flux Measurements 1992-1995 hourly, daily, weekly, monthly, yearly point m/sec

Frost Frequency CRU Monthly Mean 1961-1990 1961-1990 monthly 1, 0.5 degree days

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Parameter	Data Set Name	Temporal Coverage	Temporal Frequency	Spatial Coverage	Units
FAPAR (Fraction of Absorbed Photosynthetically Active Radiation)	FASIR NDVI Biophysical Parameter Fields	1982-1998	monthly	1, 0.5, 0.25 degree	unitless
FASIR	FASIR NDVI Biophysical Parameter Fields	1982-1998	monthly	1, 0.5, 0.25 degree	na
FASIR NDVI Monthly	1982-1998	monthly	1, 0.5, 0.25 degrees	na
Flux, All-Sky Diffuse Shortwave	SRB Radiation Data	1986-1995	3hr-diurnal, monthly	1 degree	W/m2
Flux, All-Sky Downward Longwave/Shortwave	SRB Radiation Data	1986-1995	3-hourly, 3hr-diurnal, monthly	1 degree	W/m2
Flux, All-Sky Net Longwave/Shortwave	SRB Radiation Data	1986-1995	3-hourly, 3hr-diurnal, monthly	1 degree	W/m2
Flux, All-Sky Net Total	SRB Radiation Data	1986-1995	3hr-diurnal, monthly	1 degree	W/m2
Flux, All-Sky PAR	SRB Radiation Data	1986-1995	3hr-diurnal, monthly	1 degree	W/m2
Flux, Clear-Sky Downward Shortwave	SRB Radiation Data	1986-1995	3hr-diurnal, monthly	1 degree	W/m2
Flux, Dissolved Organic Carbon	Atmospheric CO2 Consumption by Continential Erosion	na	fixed	1, 0.5 degree	Tg C/year
Global River Fluxes of Carbon and Sediments	na	fixed	2.5, 1, 0.5 degree	Tg C/year
Flux, Latent Heat	ECMWF Near-Surface Meteorology Parameters	1986-1995	3-hourly, 3hr-diurnal	1 degree	W/m2
FLUXNET CO2 Flux Measurements	1992-1995	hourly, daily, weekly, monthly, yearly	point	W/m2
NCEP II Reanalysis Meteorology Data	1986-1995	3hr-diurnal	1 degree	W/m2
Flux, Net Ocean-Air CO2	Air Sea CO2 Gas Exchange	1995	monthly average	5x4, 1 degree	uatm
Flux, Net Radiation	FLUXNET CO2 Flux Measurements	1992-1995	hourly, daily, weekly, monthly, yearly	point	MJ/m2/ month (or year)
Flux, Particulate Organic Carbon	Atmospheric CO2 Consumption by Continential Erosion	na	fixed	1, 0.5 degree	Tg C/year
Global River Fluxes of Carbon and Sediments	na	fixed	2.5, 1, 0.5 degree	Tg C/year
Flux, Sensible Heat	ECMWF Near-Surface Meteorology Parameters	1986-1995	3-hourly, 3hr-diurnal	1 degree	W/m2
FLUXNET CO2 Flux Measurements	1992-1995	hourly, daily, weekly, monthly, yearly	point	W/m2
NCEP II Reanalysis Meteorology Data	1986-1995	3hr-diurnal	1 degree	W/m2
Flux, Soil Heat	FLUXNET CO2 Flux Measurements	1992-1995	hourly, daily, weekly, monthly, yearly	point	W/m2
Flux, Surface Downward Longwave/Shortwave	NCEP II Reanalysis Meteorology Data	1986-1995	3-hourly, 3hr-diurnal	1 degree	W/m2
Flux, Surface Net Longwave/Shortwave	NCEP II Reanalysis Meteorology Data	1986-1995	3-hourly, 3hr-diurnal	1 degree	W/m2
Flux, Surface Upward Longwave/Shortwave	SRB Radiation Data	1986-1995	3hr-diurnal, monthly	1 degree	W/m2
Flux, ToA Net Longwave/Shortwave	NCEP II Reanalysis Meteorology Data	1986-1995	3hr-diurnal	1 degree	W/m2
Flux, ToA Reflected Shortwave	SRB Radiation Data	1986-1995	3hr-diurnal, monthly	1 degree	W/m2
Friction Velocity	FLUXNET CO2 Flux Measurements	1992-1995	hourly, daily, weekly, monthly, yearly	point	m/sec
Frost Frequency	CRU Monthly Mean 1961-1990	1961-1990	monthly	1, 0.5 degree	days

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Parameter Data Set Name Temporal Coverage Temporal Frequency Spatial Coverage Units

Gross Domestic Product (GDP) Global Gridded Gross Domestic Product (GDP), 1990 1990 na 1, 0.5, 0.25 degree US dollars

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Parameter	Data Set Name	Temporal Coverage	Temporal Frequency	Spatial Coverage	Units
Gross Domestic Product (GDP)	Global Gridded Gross Domestic Product (GDP), 1990	1990	na	1, 0.5, 0.25 degree	US dollars

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Parameter Data Set Name Temporal Coverage Temporal Frequency Spatial Coverage Units

Heat Flux, Latent ECMWF Near-Surface Meteorology Parameters 1986-1995 3-hourly, 3hr-diurnal 1 degree W/m2

NCEP II Reanalysis Meteorology Data 1986-1995 3hr-diurnal 1 degree W/m2

Heat Flux, Sensible ECMWF Near-Surface Meteorology Parameters 1986-1995 3-hourly, 3hr-diurnal 1 degree W/m2

NCEP II Reanalysis Meteorology Data 1986-1995 3hr-diurnal 1 degree W/m2

Humidity, Relative FLUXNET CO2 Flux Measurements 1992-1995 hourly, daily, weekly, monthly, yearly point percent

Humidity, Specific 10m ECMWF Near-Surface Meteorology Parameters 1986-1995 3-hourly, 6hr-diurnal 1 degree kg/kg

Humidity, Specific 125m ECMWF Near-Surface Meteorology Parameters 1986-1995 3-hourly, 6hr-diurnal 1 degree kg/kg

Humidity, Specific 2m NCEP II Reanalysis Meteorology Data 1986-1995 3-hourly, 3hr-diurnal 1 degree kg/kg

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Parameter	Data Set Name	Temporal Coverage	Temporal Frequency	Spatial Coverage	Units
Heat Flux, Latent	ECMWF Near-Surface Meteorology Parameters	1986-1995	3-hourly, 3hr-diurnal	1 degree	W/m2
NCEP II Reanalysis Meteorology Data	1986-1995	3hr-diurnal	1 degree	W/m2
Heat Flux, Sensible	ECMWF Near-Surface Meteorology Parameters	1986-1995	3-hourly, 3hr-diurnal	1 degree	W/m2
NCEP II Reanalysis Meteorology Data	1986-1995	3hr-diurnal	1 degree	W/m2
Humidity, Relative	FLUXNET CO2 Flux Measurements	1992-1995	hourly, daily, weekly, monthly, yearly	point	percent
Humidity, Specific 10m	ECMWF Near-Surface Meteorology Parameters	1986-1995	3-hourly, 6hr-diurnal	1 degree	kg/kg
Humidity, Specific 125m	ECMWF Near-Surface Meteorology Parameters	1986-1995	3-hourly, 6hr-diurnal	1 degree	kg/kg
Humidity, Specific 2m	NCEP II Reanalysis Meteorology Data	1986-1995	3-hourly, 3hr-diurnal	1 degree	kg/kg

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Parameter Data Set Name Temporal Coverage Temporal Frequency Spatial Coverage Units

Insolation, Top of Atmosphere (ToA) SRB Radiation Data 1986-1995 3hr-diurnal, monthly 1 degree W/m2

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Parameter	Data Set Name	Temporal Coverage	Temporal Frequency	Spatial Coverage	Units
Insolation, Top of Atmosphere (ToA)	SRB Radiation Data	1986-1995	3hr-diurnal, monthly	1 degree	W/m2

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Parameter Data Set Name Temporal Coverage Temporal Frequency Spatial Coverage Units

Land Area Global Population of the World 1995, 1995 na 1, 0.5, 0.25 degree km2

Land Cover Classification EDC Land Cover Data (BATS) 1992-1993 na 1, 0.5, 0.25 degree land cover class

EDC Land Cover Data (IGBP) 1992-1993 na 1, 0.5, 0.25 degree land cover class

EDC Land Cover Data (SiB) 1992-1993 na 1, 0.5, 0.25 degree land cover class

GPPDI Gridded NPP various na 0.5 degree land cover class

Historical Land Cover & Land Use 1700-1990 various 1, 0.5 degree land cover class

Leaf Area Index (LAI) from Field Measurements 1932-2001 various point land cover class

MODIS Land Cover 2001 na 1, 0.5, 0.25 degree land cover class

Potential Vegetation 1992-1993 yearly 1, 0.5 degree land cover class

UMD Global Land Cover Classifications 1992-1993 na 1, 0.5, 0.25 degree land cover class

Land Outlines Land Outline Overlay na na 1, 0.5, 0.25 degree na

Land-Water Mask Land-Water Masks na na 1, 0.5, 0.25 degree na

Latent Heat Flux FLUXNET CO2 Flux Measurements 1992-1995 hourly, daily, weekly, monthly, yearly point W/m2

Latitude & Longitude Grid Corrdinates Latitude & Longitude Grid Corrdinates na na 1, 0.5, 0.25 degree na

Leaf Area Index (LAI) FASIR NDVI Biophysical Parameter Fields 1982-1998 monthly 1, 0.5, 0.25 degree unitless

Leaf Area Index (LAI) from Field Measurements 1932-2001 various point unitless

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Parameter	Data Set Name	Temporal Coverage	Temporal Frequency	Spatial Coverage	Units
Land Area	Global Population of the World	1995, 1995	na	1, 0.5, 0.25 degree	km2
Land Cover Classification	EDC Land Cover Data (BATS)	1992-1993	na	1, 0.5, 0.25 degree	land cover class
EDC Land Cover Data (IGBP)	1992-1993	na	1, 0.5, 0.25 degree	land cover class
EDC Land Cover Data (SiB)	1992-1993	na	1, 0.5, 0.25 degree	land cover class
GPPDI Gridded NPP	various	na	0.5 degree	land cover class
Historical Land Cover & Land Use	1700-1990	various	1, 0.5 degree	land cover class
Leaf Area Index (LAI) from Field Measurements	1932-2001	various	point	land cover class
MODIS Land Cover	2001	na	1, 0.5, 0.25 degree	land cover class
Potential Vegetation	1992-1993	yearly	1, 0.5 degree	land cover class
UMD Global Land Cover Classifications	1992-1993	na	1, 0.5, 0.25 degree	land cover class
Land Outlines	Land Outline Overlay	na	na	1, 0.5, 0.25 degree	na
Land-Water Mask	Land-Water Masks	na	na	1, 0.5, 0.25 degree	na
Latent Heat Flux	FLUXNET CO2 Flux Measurements	1992-1995	hourly, daily, weekly, monthly, yearly	point	W/m2
Latitude & Longitude Grid Corrdinates	Latitude & Longitude Grid Corrdinates	na	na	1, 0.5, 0.25 degree	na
Leaf Area Index (LAI)	FASIR NDVI Biophysical Parameter Fields	1982-1998	monthly	1, 0.5, 0.25 degree	unitless
Leaf Area Index (LAI) from Field Measurements	1932-2001	various	point	unitless

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Parameter Data Set Name Temporal Coverage Temporal Frequency Spatial Coverage Units

Methane Atmospheric Concentration GlobalView: Atmospheric Methane Concentrations various various point ?

Methane Emissions EDGAR Emission Database for Global Atmospheric Research 1970-1995 decadal 1 degree kg/year

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Parameter	Data Set Name	Temporal Coverage	Temporal Frequency	Spatial Coverage	Units
Methane Atmospheric Concentration	GlobalView: Atmospheric Methane Concentrations	various	various	point	?
Methane Emissions	EDGAR Emission Database for Global Atmospheric Research	1970-1995	decadal	1 degree	kg/year

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Parameter Data Set Name Temporal Coverage Temporal Frequency Spatial Coverage Units

N2O Emissions EDGAR Emission Database for Global Atmospheric Research 1970-1995 decadal 1 degree kg/year

NDVI FASIR NDVI Monthly 1982-1998 monthly 1, 0.5, 0.25 degrees unitless

GIMMS NDVI Monthly 1981-2002 monthly 1, 0.5, 0.25 degree unitless

Net Ecosystem Exchange (NEE) FLUXNET CO2 Flux Measurements 1992-1995 hourly, daily, weekly, monthly, yearly point gm C/m2/day (or week/ month/year)

NMVOC Emissions EDGAR Emission Database for Global Atmospheric Research 1970-1995 decadal 1 degree kg/year

NOx Emissions EDGAR Emission Database for Global Atmospheric Research 1970-1995 decadal 1 degree kg/year

NPP (Net Primary Production) GPPDI Gridded NPP various na 0.5 degree gm C/m2/year

NPP Above Ground GPPDI Gridded NPP various na 1, 0.5 degree gm C/m2/year

GPPDI NPP Class B Point Data various yearly point gm C/m2/year

Leaf Area Index (LAI) from Field Measurements 1932-2001 various point gm dry matter/ m2/year

NPP Average IGBP NPP Model Intercomparison Data various yearly 1, 0.5 degree gm C/m2/year

NPP Below Ground GPPDI NPP Class B Point Data various yearly point gm C/m2/year

Leaf Area Index (LAI) from Field Measurements 1932-2001 various point gm dry matter/ m2/year

NPP Total GPPDI Gridded NPP various na 1, 0.5 degree gm C/m2/year

GPPDI NPP Class B Point Data various yearly point gm C/m2/year

Leaf Area Index (LAI) from Field Measurements 1932-2001 various point gm dry matter/ m2/year

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Parameter	Data Set Name	Temporal Coverage	Temporal Frequency	Spatial Coverage	Units
N2O Emissions	EDGAR Emission Database for Global Atmospheric Research	1970-1995	decadal	1 degree	kg/year
NDVI	FASIR NDVI Monthly	1982-1998	monthly	1, 0.5, 0.25 degrees	unitless
GIMMS NDVI Monthly	1981-2002	monthly	1, 0.5, 0.25 degree	unitless
Net Ecosystem Exchange (NEE)	FLUXNET CO2 Flux Measurements	1992-1995	hourly, daily, weekly, monthly, yearly	point	gm C/m2/day (or week/ month/year)
NMVOC Emissions	EDGAR Emission Database for Global Atmospheric Research	1970-1995	decadal	1 degree	kg/year
NOx Emissions	EDGAR Emission Database for Global Atmospheric Research	1970-1995	decadal	1 degree	kg/year
NPP (Net Primary Production)	GPPDI Gridded NPP	various	na	0.5 degree	gm C/m2/year
NPP Above Ground	GPPDI Gridded NPP	various	na	1, 0.5 degree	gm C/m2/year
GPPDI NPP Class B Point Data	various	yearly	point	gm C/m2/year
Leaf Area Index (LAI) from Field Measurements	1932-2001	various	point	gm dry matter/ m2/year
NPP Average	IGBP NPP Model Intercomparison Data	various	yearly	1, 0.5 degree	gm C/m2/year
NPP Below Ground	GPPDI NPP Class B Point Data	various	yearly	point	gm C/m2/year
Leaf Area Index (LAI) from Field Measurements	1932-2001	various	point	gm dry matter/ m2/year
NPP Total	GPPDI Gridded NPP	various	na	1, 0.5 degree	gm C/m2/year
GPPDI NPP Class B Point Data	various	yearly	point	gm C/m2/year
Leaf Area Index (LAI) from Field Measurements	1932-2001	various	point	gm dry matter/ m2/year

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Parameter Data Set Name Temporal Coverage Temporal Frequency Spatial Coverage Units

Orography NCEP II Reanalysis Meteorology Data 1986-1995 fixed 1 degree meters

Ozone, Column SRB Cloud Data 1986-1995 monthly 1 degree dobson units

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Parameter	Data Set Name	Temporal Coverage	Temporal Frequency	Spatial Coverage	Units
Orography	NCEP II Reanalysis Meteorology Data	1986-1995	fixed	1 degree	meters
Ozone, Column	SRB Cloud Data	1986-1995	monthly	1 degree	dobson units

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Parameter Data Set Name Temporal Coverage Temporal Frequency Spatial Coverage Units

PAR (Photosynthetically Active Radiation) FLUXNET CO2 Flux Measurements 1992-1995 hourly, daily, weekly, monthly, yearly point mol/m2/ month (or year)

PAR All-Sky Flux SRB Radiation Data 1986-1995 3hr-diurnal, monthly 1 degree unitless

Population Counts Global Population of the World 1990, 1995 yearly 1, 0.5, 0.25 degree persons

Population Density Global Population of the World 1990, 1995 yearly 1, 0.5, 0.25 degree persons/km2

Potential Vegetation Potential Vegetation 1992-1993 yearly 1, 0.5 degree land cover class

Precipitation CRU Monthly Climate 1986-1995 monthly 1, 0.5 degree mm

CRU Monthly Mean 1961-1990 1961-1990 monthly 1, 0.5 degree mm/day

FLUXNET CO2 Flux Measurements 1992-1995 hourly, daily, weekly, monthly, yearly point mm/month (or year)

GPCC Monthly Precipitation 1986-1995 monthly 1, 0.5 degree mm/month

GPCP Monthly Precipitation 1986-1995 monthly 2.5, 1 degree mm/day

GPCP Pentad Precipitation 1986-1995 every 5 days 2.5, 1 degree mm/day

GTS Gauge-Based Daily Precipitation 1986-1995 daily 1, 0.5 degree mm/day

Precipitation Rate ECMWF Near-Surface Meteorology Parameters 1986-1995 3-hourly, 3hr-diurnal, monthly 1 degree mm/sec

Precipitation, Annual GPPDI NPP Class B Point Data various yearly point mm

Precipitation, Convective NCEP II Reanalysis Meteorology Data 1986-1995 3-hourly 1 degree kg/m2/sec

Precipitation, Total NCEP II Reanalysis Meteorology Data 1986-1995 3-hourly, 3hr-diurnal 1 degree kg/m2/sec

Pressure, Air Air Sea CO2 Gas Exchange 1995 monthly average 5x4, 1 degree uatm

FLUXNET CO2 Flux Measurements 1992-1995 hourly, daily, weekly, monthly, yearly point Kpa

Pressure, Cloud-Top SRB Cloud Data 1986-1995 monthly 1 degree mb

Pressure, Surface ECMWF Near-Surface Meteorology Parameters 1986-1995 3-hourly, 3hr-diurnal, 6hr-diurnal 1 degree Pa

NCEP II Reanalysis Meteorology Data 1986-1995 3hr-diurnal 1 degree Pa

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Parameter	Data Set Name	Temporal Coverage	Temporal Frequency	Spatial Coverage	Units
PAR (Photosynthetically Active Radiation)	FLUXNET CO2 Flux Measurements	1992-1995	hourly, daily, weekly, monthly, yearly	point	mol/m2/ month (or year)
PAR All-Sky Flux	SRB Radiation Data	1986-1995	3hr-diurnal, monthly	1 degree	unitless
Population Counts	Global Population of the World	1990, 1995	yearly	1, 0.5, 0.25 degree	persons
Population Density	Global Population of the World	1990, 1995	yearly	1, 0.5, 0.25 degree	persons/km2
Potential Vegetation	Potential Vegetation	1992-1993	yearly	1, 0.5 degree	land cover class
Precipitation	CRU Monthly Climate	1986-1995	monthly	1, 0.5 degree	mm
CRU Monthly Mean 1961-1990	1961-1990	monthly	1, 0.5 degree	mm/day
FLUXNET CO2 Flux Measurements	1992-1995	hourly, daily, weekly, monthly, yearly	point	mm/month (or year)
GPCC Monthly Precipitation	1986-1995	monthly	1, 0.5 degree	mm/month
GPCP Monthly Precipitation	1986-1995	monthly	2.5, 1 degree	mm/day
GPCP Pentad Precipitation	1986-1995	every 5 days	2.5, 1 degree	mm/day
GTS Gauge-Based Daily Precipitation	1986-1995	daily	1, 0.5 degree	mm/day
Precipitation Rate	ECMWF Near-Surface Meteorology Parameters	1986-1995	3-hourly, 3hr-diurnal, monthly	1 degree	mm/sec
Precipitation, Annual	GPPDI NPP Class B Point Data	various	yearly	point	mm
Precipitation, Convective	NCEP II Reanalysis Meteorology Data	1986-1995	3-hourly	1 degree	kg/m2/sec
Precipitation, Total	NCEP II Reanalysis Meteorology Data	1986-1995	3-hourly, 3hr-diurnal	1 degree	kg/m2/sec
Pressure, Air	Air Sea CO2 Gas Exchange	1995	monthly average	5x4, 1 degree	uatm
FLUXNET CO2 Flux Measurements	1992-1995	hourly, daily, weekly, monthly, yearly	point	Kpa
Pressure, Cloud-Top	SRB Cloud Data	1986-1995	monthly	1 degree	mb
Pressure, Surface	ECMWF Near-Surface Meteorology Parameters	1986-1995	3-hourly, 3hr-diurnal, 6hr-diurnal	1 degree	Pa
NCEP II Reanalysis Meteorology Data	1986-1995	3hr-diurnal	1 degree	Pa

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Parameter	Data Set Name	Temporal Coverage	Temporal Frequency	Spatial Coverage	Units
Radiation	CRU Monthly Mean 1961-1990	1961-1990	monthly	1, 0.5 degree	W/m2
Radiation, All-Sky Diffuse Shortwave Flux	SRB Radiation Data	1986-1995	3hr-diurnal, monthly	1 degree	W/m2
Radiation, All-Sky Downward Longwave/Shortwave Flux	SRB Radiation Data	1986-1995	3-hourly, 3hr-diurnal, monthly	1 degree	W/m2
Radiation, All-Sky Net Longwave/Shortwave Flux	SRB Radiation Data	1986-1995	3-hourly, 3hr-diurnal, monthly	1 degree	W/m2
Radiation, All-Sky Net Total Flux	SRB Radiation Data	1986-1995	3hr-diurnal, monthly	1 degree	W/m2
Radiation, All-Sky PAR	SRB Radiation Data	1986-1995	3hr-diurnal, monthly	1 degree	W/m2
Radiation, Clear-Sky Downward Shortwave Flux	SRB Radiation Data	1986-1995	3hr-diurnal, monthly	1 degree	W/m2
Radiation, Global	FLUXNET CO2 Flux Measurements	1992-1995	hourly, daily, weekly, monthly, yearly	point	MJ/m2/ month (or year)
Radiation, Net	FLUXNET CO2 Flux Measurements	1992-1995	hourly, daily, weekly, monthly, yearly	point	MJ/m2/ month (or year)
Radiation, PAR	FLUXNET CO2 Flux Measurements	1992-1995	hourly, daily, weekly, monthly, yearly	point	mol/m2/ month (or year)
Radiation, Surface Downward Longwave/Shortwave Flux	ECMWF Near-Surface Meteorology Parameters	1986-1995	3-hourly, 3hr-diurnal	1 degree	W/m2
NCEP II Reanalysis Meteorology Data	1986-1995	3-hourly, 3hr-diurnal	1 degree	W/m2
Radiation, Surface Net Longwave/Shortwave Flux	ECMWF Near-Surface Meteorology Parameters	1986-1995	3-hourly, 3hr-diurnal	1 degree	W/m2
NCEP II Reanalysis Meteorology Data	1986-1995	3-hourly, 3hr-diurnal	1 degree	W/m2
Radiation, Surface Upward Longwave/Shortwave Flux	SRB Radiation Data	1986-1995	3hr-diurnal, monthly	1 degree	W/m2
Radiation, ToA Insolation	SRB Radiation Data	1986-1995	3hr-diurnal, monthly	1 degree	W/m2
Radiation, ToA Net Longwave/Shortwave Flux	ECMWF Near-Surface Meteorology Parameters	1986-1995	3hr-diurnal	1 degree	W/m2
NCEP II Reanalysis Meteorology Data	1986-1995	3hr-diurnal	1 degree	W/m2
Radiation, ToA Reflected Shortwave Flux	SRB Radiation Data	1986-1995	3hr-diurnal, monthly	1 degree	W/m2
Reflectance, Background Visible	Snow-Free Albedo and Background VIS/NIR Reflectances	1982-1998	monthly	1 degree	unitless
Reflectance, Background, NIR	Snow-Free Albedo and Background VIS/NIR Reflectances	1982-1998	monthly	1 degree	unitless
Resistance, Plant	NCEP II Reanalysis Meteorology Data	1986-1995	fixed	1 degree	sec/m
River Flow Catchment Area (Accumulation)	River Routing Data (STN-30p)	na	na	1, 0.5 degree	km2
River Flow Direction	River Routing Data (STN-30p)	na	na	1, 0.5 degree	?
Rooting Depth	Ecosystem Rooting Depths	na	na	1 degree	meters
Rooting Zone Water Storage	Global Soil Water Storage Capacity of the Rooting Zone	1987-1988 averaged	na	1 degree	mm of H2O
Roughness Length	FASIR NDVI Biophysical Parameter Fields	1982-1998	monthly	1, 0.5, 0.25 degree	unitless
NCEP II Reanalysis Meteorology Data	1986-1995	fixed	1 degree	meters
ECMWF Near-Surface Meteorology Parameters	1986-1995	fixed	1 degree	meters
Runoff Rate	ECMWF Near-Surface Meteorology Parameters	1986-1995	3-hourly, 3hr-diurnal	1 degree	mm/sec
Runoff, Composite	UNH/GRDC Composite Monthly Runoff	1986-1995	monthly	1, 0.5 degree	mm
Runoff, Modeled	UNH/GRDC Composite Monthly Runoff	1986-1995	monthly	1, 0.5 degree	mm
Runoff, Surface	NCEP II Reanalysis Meteorology Data	1986-1995	3hr-diurnal	1 degree	kg/m2/sec

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Parameter	Data Set Name	Temporal Coverage	Temporal Frequency	Spatial Coverage	Units
Sea Ice Concentration	Global Sea Ice Extent	1986-1995	monthly	1, 0.5, 0.25 degree	percent
Sea Ice Fraction	ECMWF Near-Surface Meteorology Parameters	1986-1995	monthly	1 degree	percent
Sea Salinity	Air Sea CO2 Gas Exchange	1995	monthly average	5x4, 1 degree	unitless
Sea Surface Temperature	Air Sea CO2 Gas Exchange	1995	monthly average	5x4, 1 degree	degrees C
Sea Surface Temperature	1986-1995	weekly, monthly	1 degree	degrees C
Sea-Air Partial CO2 Difference	Air Sea CO2 Gas Exchange	1995	monthly average	5x4, 1 degree	uatm
Sensible Heat Flux	FLUXNET CO2 Flux Measurements	1992-1995	hourly, daily, weekly, monthly, yearly	point	W/m2
Slope	HYDRO1k Elevation-derived Products	na	na	0.5 degree	degrees
River Routing Data (STN-30p)	na	na	1, 0.5 degree	m/km
Snow Albedo	ECMWF Near-Surface Meteorology Parameters	1986-1995	monthly	1 degree	unitless
Snow Cover	NCEP II Reanalysis Meteorology Data	1986-1995	monthly	1 degree	fraction
Northern Hemisphere Snow Cover Extent	1986-1995	monthly	1, 0.5, 0.25 degree	percent
Snow Density	ECMWF Near-Surface Meteorology Parameters	1986-1995	monthly	1 degree	kg/m3
Snow Depth	ECMWF Near-Surface Meteorology Parameters	1986-1995	monthly	1 degree	m of water
Snow Depth, Water Equivalent	NCEP II Reanalysis Meteorology Data	1986-1995	3-hourly, monthly	1 degree	kg/m2
Snow Evaporation Rate	ECMWF Near-Surface Meteorology Parameters	1986-1995	3hr-diurnal	1 degree	mm/sec
Snow Fall Rate	ECMWF Near-Surface Meteorology Parameters	1986-1995	3-hourly, 3hr-diurnal, monthly	1 degree	mm/sec
NCEP II Reanalysis Meteorology Data	1986-1995	3-hourly, 3hr-diurnal	1 degree	kg/m2/sec
Snow Melt Rate	ECMWF Near-Surface Meteorology Parameters	1986-1995	3hr-diurnal	1 degree	mm/sec
SO2 Emissions	EDGAR Emission Database for Global Atmospheric Research	1970-1995	decadal	1 degree	kg/year
Soil Bulk Density	ISLSCP II Global Gridded Soil Characteristics	na	na	1 degree	g/cm3
Soil Carbon Density	ISLSCP II Global Gridded Soil Characteristics	na	na	1 degree	kg/m2
Soil Characteristics	ISLSCP II Global Gridded Soil Characteristics	na	na	1 degree	na
Soil Heat Flux	FLUXNET CO2 Flux Measurements	1992-1995	hourly, daily, weekly, monthly, yearly	point	W/m2
Soil Moisture	ECMWF Near-Surface Meteorology Parameters	1986-1995	monthly	1 degree	m3/m3
Soil Moisture Availability	ECMWF Near-Surface Meteorology Parameters	1986-1995	monthly	1 degree	unitless
Soil Moisture, 0-10cm depth	NCEP II Reanalysis Meteorology Data	1986-1995	monthly	1 degree	fraction
Soil Moisture, 10-200cm depth	NCEP II Reanalysis Meteorology Data	1986-1995	monthly	1 degree	fraction
Soil Nitrogen Density	ISLSCP II Global Gridded Soil Characteristics	na	na	1 degree	g/m2
Soil Temperature, 5cm depth	FLUXNET CO2 Flux Measurements	1992-1995	hourly, daily, weekly, monthly, yearly	point	degrees C
Soil Thermal Capacity	ISLSCP II Global Gridded Soil Characteristics	na	na	1 degree	J/m3/K
Soil Water Content	FLUXNET CO2 Flux Measurements	1992-1995	hourly, daily, weekly, monthly, yearly	point	cm3 H2O/cm3 soil
ISLSCP II Global Gridded Soil Characteristics	na	na	1 degree	cm3/cm3
Surface Pressure	ECMWF Near-Surface Meteorology Parameters	1986-1995	3-hourly, 3hr-diurnal, 6hr-diurnal	1 degree	Pa
Surface Roughness Length	ECMWF Near-Surface Meteorology Parameters	1986-1995	fixed	1 degree	m
Surface Runoff	NCEP II Reanalysis Meteorology Data	1986-1995	3hr-diurnal	1 degree	kg/m2/sec
Suspended Carbon Solids, Total	Atmospheric CO2 Consumption by Continential Erosion	na	fixed	1, 0.5 degree	Tg C/year
Global River Fluxes of Carbon and Sediments	na	fixed	2.5, 1, 0.5 degree	Tg C/year

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Parameter Data Set Name Temporal Coverage Temporal Frequency Spatial Coverage Units

Temperature (annual) GPPDI NPP Class B Point Data various yearly point degrees C

Temperature, Air FLUXNET CO2 Flux Measurements 1992-1995 hourly, daily, weekly, monthly, yearly point degrees C

Temperature, Air 10m ECMWF Near-Surface Meteorology Parameters 1986-1995 3-hourly, 6hr-diurnal 1 degree degrees K

Temperature, Air 125m ECMWF Near-Surface Meteorology Parameters 1986-1995 3-hourly, 6hr-diurnal 1 degree degrees K

Temperature, Air 2m ECMWF Near-Surface Meteorology Parameters 1986-1995 3-hourly, 6-hourly, 3hr-diurnal, 6hr-diurnal 1 degree degrees K

NCEP II Reanalysis Meteorology Data 1986-1995 3-hourly, 3hr-diurnal 1 degree degrees K

Temperature, Cloud-top SRB Cloud Data 1986-1995 monthly 1 degree degrees K

Temperature, Dew Point 2m ECMWF Near-Surface Meteorology Parameters 1986-1995 3-hourly, 6-hourly, 3hr-diurnal, 6hr-diurnal 1 degree degrees K

Temperature, Diurnal Range CRU Monthly Climate 1986-1995 monthly 1, 0.5 degree degrees C

CRU Monthly Mean 1961-1990 1961-1990 monthly 1, 0.5 degree degrees C

Temperature, Maximum CRU Monthly Mean 1961-1990 1961-1990 monthly 1, 0.5 degree degrees C

Temperature, Mean CRU Monthly Climate 1986-1995 monthly 1, 0.5 degree degrees C

CRU Monthly Mean 1961-1990 1961-1990 monthly 1, 0.5 degree degrees C

Temperature, Minimum CRU Monthly Mean 1961-1990 1961-1990 monthly 1, 0.5 degree degrees C

Temperature, Sea Surface Air Sea CO2 Gas Exchange 1995 monthly average 5x4, 1 degree degrees C

ECMWF Near-Surface Meteorology Parameters 1986-1995 monthly 1 degree degrees K

Temperature, Skin ECMWF Near-Surface Meteorology Parameters 1986-1995 3-hourly 1 degree degrees K

Temperature, Snow ECMWF Near-Surface Meteorology Parameters 1986-1995 monthly 1 degree degrees K

Temperature, Soil 0-10cm depth NCEP II Reanalysis Meteorology Data 1986-1995 monthly 1 degree degrees K

Temperature, Soil 10-200cm depth NCEP II Reanalysis Meteorology Data 1986-1995 3hr-diurnal 1 degree degrees K

Temperature, Soil 5cm depth FLUXNET CO2 Flux Measurements 1992-1995 hourly, daily, weekly, monthly, yearly point degrees C

Temperature, Surface Skin SRB Cloud Data 1986-1995 monthly 1 degree degrees K

SRB Radiation Data 1986-1995 monthly 1 degree degrees K

Tree Cover Continuous Fields of Vegetation Cover 1992 na 1, 0.5, 0.25 degree percent

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Parameter	Data Set Name	Temporal Coverage	Temporal Frequency	Spatial Coverage	Units
Temperature (annual)	GPPDI NPP Class B Point Data	various	yearly	point	degrees C
Temperature, Air	FLUXNET CO2 Flux Measurements	1992-1995	hourly, daily, weekly, monthly, yearly	point	degrees C
Temperature, Air 10m	ECMWF Near-Surface Meteorology Parameters	1986-1995	3-hourly, 6hr-diurnal	1 degree	degrees K
Temperature, Air 125m	ECMWF Near-Surface Meteorology Parameters	1986-1995	3-hourly, 6hr-diurnal	1 degree	degrees K
Temperature, Air 2m	ECMWF Near-Surface Meteorology Parameters	1986-1995	3-hourly, 6-hourly, 3hr-diurnal, 6hr-diurnal	1 degree	degrees K
NCEP II Reanalysis Meteorology Data	1986-1995	3-hourly, 3hr-diurnal	1 degree	degrees K
Temperature, Cloud-top	SRB Cloud Data	1986-1995	monthly	1 degree	degrees K
Temperature, Dew Point 2m	ECMWF Near-Surface Meteorology Parameters	1986-1995	3-hourly, 6-hourly, 3hr-diurnal, 6hr-diurnal	1 degree	degrees K
Temperature, Diurnal Range	CRU Monthly Climate	1986-1995	monthly	1, 0.5 degree	degrees C
CRU Monthly Mean 1961-1990	1961-1990	monthly	1, 0.5 degree	degrees C
Temperature, Maximum	CRU Monthly Mean 1961-1990	1961-1990	monthly	1, 0.5 degree	degrees C
Temperature, Mean	CRU Monthly Climate	1986-1995	monthly	1, 0.5 degree	degrees C
CRU Monthly Mean 1961-1990	1961-1990	monthly	1, 0.5 degree	degrees C
Temperature, Minimum	CRU Monthly Mean 1961-1990	1961-1990	monthly	1, 0.5 degree	degrees C
Temperature, Sea Surface	Air Sea CO2 Gas Exchange	1995	monthly average	5x4, 1 degree	degrees C
ECMWF Near-Surface Meteorology Parameters	1986-1995	monthly	1 degree	degrees K
Temperature, Skin	ECMWF Near-Surface Meteorology Parameters	1986-1995	3-hourly	1 degree	degrees K
Temperature, Snow	ECMWF Near-Surface Meteorology Parameters	1986-1995	monthly	1 degree	degrees K
Temperature, Soil 0-10cm depth	NCEP II Reanalysis Meteorology Data	1986-1995	monthly	1 degree	degrees K
Temperature, Soil 10-200cm depth	NCEP II Reanalysis Meteorology Data	1986-1995	3hr-diurnal	1 degree	degrees K
Temperature, Soil 5cm depth	FLUXNET CO2 Flux Measurements	1992-1995	hourly, daily, weekly, monthly, yearly	point	degrees C
Temperature, Surface Skin	SRB Cloud Data	1986-1995	monthly	1 degree	degrees K
SRB Radiation Data	1986-1995	monthly	1 degree	degrees K
Tree Cover	Continuous Fields of Vegetation Cover	1992	na	1, 0.5, 0.25 degree	percent

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Parameter Data Set Name Temporal Coverage Temporal Frequency Spatial Coverage Units

Vapor Pressure CRU Monthly Climate 1986-1995 monthly 1, 0.5 degree hPa

CRU Monthly Mean 1961-1990 1961-1990 monthly 1, 0.5 degree hPa

Vapor Pressure Deficit FLUXNET CO2 Flux Measurements 1992-1995 hourly, daily, weekly, monthly, yearly point kPa

Vegetation Cover FASIR NDVI Biophysical Parameter Fields 1982-1998 monthly 1, 0.5, 0.25 degree unitless

Vegetation Fraction ECMWF Near-Surface Meteorology Parameters 1986-1995 fixed 1 degree unitless

Vegetation, C4 C4 Vegetation Percentage na na 1 degree percent

Vegetation, Potential Potential Vegetation 1992-1993 yearly 1, 0.5 degree land cover class

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Parameter	Data Set Name	Temporal Coverage	Temporal Frequency	Spatial Coverage	Units
Vapor Pressure	CRU Monthly Climate	1986-1995	monthly	1, 0.5 degree	hPa
CRU Monthly Mean 1961-1990	1961-1990	monthly	1, 0.5 degree	hPa
Vapor Pressure Deficit	FLUXNET CO2 Flux Measurements	1992-1995	hourly, daily, weekly, monthly, yearly	point	kPa
Vegetation Cover	FASIR NDVI Biophysical Parameter Fields	1982-1998	monthly	1, 0.5, 0.25 degree	unitless
Vegetation Fraction	ECMWF Near-Surface Meteorology Parameters	1986-1995	fixed	1 degree	unitless
Vegetation, C4	C4 Vegetation Percentage	na	na	1 degree	percent
Vegetation, Potential	Potential Vegetation	1992-1993	yearly	1, 0.5 degree	land cover class

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Parameter Data Set Name Temporal Coverage Temporal Frequency Spatial Coverage Units

Water Cover Continuous Fields of Vegetation Cover 1992 na 1, 0.5, 0.25 degree percent

Water Storage of the Rooting Zone Global Soil Water Storage Capacity of the Rooting Zone 1987-1988 averaged na 1 degree mm of H2O

Water Vapor, Column SRB Cloud Data 1986-1995 monthly 1 degree gm/cm2

Wet Day Frequency CRU Monthly Climate 1986-1995 monthly 1, 0.5 degree days

CRU Monthly Mean 1961-1990 1961-1990 monthly 1, 0.5 degree days

Wind CRU Monthly Mean 1961-1990 1961-1990 monthly 1, 0.5 degree m/sec

Wind Speed Air Sea CO2 Gas Exchange 1995 monthly average 5x4, 1 degree m/sec

FLUXNET CO2 Flux Measurements 1992-1995 hourly, daily, weekly, monthly, yearly point m/sec

Wind Speed, 10m ECMWF Near-Surface Meteorology Parameters 1986-1995 3-hourly, 3hr-diurnal, 6hr-diurnal 1 degree m/sec

NCEP II Reanalysis Meteorology Data 1986-1995 3-hourly, 3hr-diurnal 1 degree m/sec

Wind Speed, 125m ECMWF Near-Surface Meteorology Parameters 1986-1995 3-hourly, 6hr-diurnal 1 degree m/sec

Wind Stress ECMWF Near-Surface Meteorology Parameters 1986-1995 3-hourly, 3hr-diurnal 1 degree N/m2

NCEP II Reanalysis Meteorology Data 1986-1995 3hr-diurnal 1 degree N/m2

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Parameter	Data Set Name	Temporal Coverage	Temporal Frequency	Spatial Coverage	Units
Water Cover	Continuous Fields of Vegetation Cover	1992	na	1, 0.5, 0.25 degree	percent
Water Storage of the Rooting Zone	Global Soil Water Storage Capacity of the Rooting Zone	1987-1988 averaged	na	1 degree	mm of H2O
Water Vapor, Column	SRB Cloud Data	1986-1995	monthly	1 degree	gm/cm2
Wet Day Frequency	CRU Monthly Climate	1986-1995	monthly	1, 0.5 degree	days
CRU Monthly Mean 1961-1990	1961-1990	monthly	1, 0.5 degree	days
Wind	CRU Monthly Mean 1961-1990	1961-1990	monthly	1, 0.5 degree	m/sec
Wind Speed	Air Sea CO2 Gas Exchange	1995	monthly average	5x4, 1 degree	m/sec
FLUXNET CO2 Flux Measurements	1992-1995	hourly, daily, weekly, monthly, yearly	point	m/sec
Wind Speed, 10m	ECMWF Near-Surface Meteorology Parameters	1986-1995	3-hourly, 3hr-diurnal, 6hr-diurnal	1 degree	m/sec
NCEP II Reanalysis Meteorology Data	1986-1995	3-hourly, 3hr-diurnal	1 degree	m/sec
Wind Speed, 125m	ECMWF Near-Surface Meteorology Parameters	1986-1995	3-hourly, 6hr-diurnal	1 degree	m/sec
Wind Stress	ECMWF Near-Surface Meteorology Parameters	1986-1995	3-hourly, 3hr-diurnal	1 degree	N/m2
NCEP II Reanalysis Meteorology Data	1986-1995	3hr-diurnal	1 degree	N/m2

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Parameter Data Set Name Temporal Coverage Temporal Frequency Spatial Coverage Units

Zero Plane Displacement FASIR NDVI Biophysical Parameter Fields 1982-1998 monthly 1, 0.5, 0.25 degree unitless

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Parameter	Data Set Name	Temporal Coverage	Temporal Frequency	Spatial Coverage	Units
Zero Plane Displacement	FASIR NDVI Biophysical Parameter Fields	1982-1998	monthly	1, 0.5, 0.25 degree	unitless

Indexes: Archive Contents | Data Set Details | Data by Scale | General Categories | Paramater List

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Revision Date: April 25, 2007