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51. Aquatic Ecoregions in the United States GIS Data for the EPA Clean Air Mapping and Analysis Program (C-MAP) [AQUAECO]
Ecoregions are based on perceived patterns of a combination of causal and integrative factors including land use, land surface form, potential natural vegetation, and soils (Omernik, 1987). This is ...


52. BALANS Land cover [BALANS_LandCover]
The BALANS land cover dataset has been assembled from satellite data from the IRS 1C/1D WiFS satellite. The reference data has been collected from national sources. Note that the ...


53. Bolivia GlobeSar2 Radarsat Data [Canada_CCRS_Globesar2Bolivia]
Building on the success of previous radar data programs, GlobeSAR-2 is a four-year geomatics technology transfer program focused on the use of RADARSAT for improved natural resource management in ...


54. Brazil GlobeSar2 Radarsat Data [Canada_CCRS_Globesar2Brazil]
Building on the success of previous radar data programs, GlobeSAR-2 is a four-year geomatics technology transfer program focused on the use of RADARSAT for improved natural resource management in ...


55. California Fire and Resource Assessment Program [FRAP_CFRAP]
The California Department of Forestry and Fire Protection's Fire and Resource Assessment Program (FRAP) assesses the amount and extent of California's forests and rangelands, analyzes their conditions ...


56. Chemistry of Atmospheric Deposition - Effects on Agriculture, Forestry, Surface Waters, and Material [USDA0422]
The "Chemistry of Atmospheric Deposition - Effects on Agriculture, Forestry, Surface Waters, and Material" is a dataset that contains weekly measurements of rainfall and chemistry, including pH, conductivity, ...


57. Chile GlobeSar2 Radarsat Data [Canada_CCRS_Globesar2Chile]
Building on the success of previous radar data programs, GlobeSAR-2 is a four-year geomatics technology transfer program focused on the use of RADARSAT for improved natural resource management in ...


58. Colombia GlobeSar2 Radarsat Data [Canada_CCRS_Globesar2Colombia]
Building on the success of previous radar data programs, GlobeSAR-2 is a four-year geomatics technology transfer program that is focused on the use of RADARSAT for improved natural resource management ...


59. Costa Rica GlobeSar2 Radarsat Data [Canada_CCRS_Globesar2CostaRica]
Building on the success of previous radar data programs, GlobeSAR2 is a three-year geomatics technology transfer program focused on the use of RADARSAT for improved natural resource management in ...


60. Ecoregion Maps and GIS Resources [EPA_ECOREGION]
Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental resources. They are designed to serve as a spatial framework for the research, assessment, ...


61. Herring Survey Population Density and Distribution (F057) Data (1976-1977) [FW00088]
The data type contains data from aircraft surveys of herring schools. These data were collected to provide information on herring population density and distribution. Start date and time, start and ...


62. Honduras GlobeSar2 Radarsat Data [Canada_CCRS_Globesar2Honduras]
Building on the success of previous radar data programs, GlobeSAR2 is a three-year geomatics technology transfer program focused on the use of RADARSAT for improved natural resource management in ...


63. Natural wetlands (Matthews and Fung) [9e3e0f0b-4c5a-44cc-b083-b77fe24c2ab1]
The Natural Wetlands data set was compiled by E. Matthews at the NASA/ Goddard Institute of Space Studies (GISS), Columbia University, New York City, N.Y. USA. It shows the distribution and environmental ...


64. Panama GlobeSar2 Radarsat Data [Canada_CCRS_Globesar2Panama]
Building on the success of previous radar data programs, GlobeSAR2 is a three-year geomatics technology transfer program focused on the use of RADARSAT for improved natural resource management in ...


65. Peru GlobeSar2 Radarsat Data [Canada_CCRS_Globesar2Peru]
Building on the success of previous radar data programs, GlobeSAR-2 is a four-year geomatics technology transfer program focused on the use of RADARSAT for improved natural resource management in ...


66. Uruguay GlobeSar2 Radarsat Data [Canada_CCRS_Globesar2Uruguay]
Building on the success of previous radar data programs, GlobeSAR-2 is a four-year geomatics technology transfer program focused on the use of RADARSAT for improved natural resource management in ...


67. Venezuela GlobeSar2 Radarsat Data [Canada_CCRS_Globesar2Venezuela]
Building on the success of previous radar data programs, GlobeSAR-2 is a four-year geomatics technology transfer program focused on the use of RADARSAT for improved natural resource management in ...


68. ERS-1_LEVEL0 [ERS-1_L0_1]
ERS-1 Standard Beam Level 0 Frame


69. SENTINEL-1A_DUAL_POL_METADATA_GRD_HIGH_RES [SENTINEL-1A_DP_META_GRD_HIGH_1]
Sentinel-1A Dual-pol ground projected high and full resolution metadata


70. SENTINEL-1A_SINGLE_POL_METADATA_GRD_MEDIUM_RES [SENTINEL-1A_SP_META_GRD_MEDIUM_1]
Sentinel-1A Single-pol ground projected medium resolution metadata


71. AMS (Automated Met Station) Data (FIFE) [doi:10.3334/ORNLDAAC/12_1]
30 minute average meteorological data from NCARs Portable Automated Mesonet Station


72. AirMOSS: L4 Modeled Volumetric Root Zone Soil Moisture, 2012-2015 [doi:10.3334/ORNLDAAC/1421_1]
This data set provides hourly gridded soil moisture estimates derived from hydrologic modeling at nine AirMOSS sites across North America. The AirMOSS L4 RZSM product represents a temporal interpolation ...


73. Annual wildland fire emissions (WFEIS v0.5) for Conterminous US and Alaska, 2001-2013 [doi:10.3334/ORNLDAAC/1306_1]
This data set contains annual modeled estimates of wildland fire emissions at 0.01 degree (~1-km) spatial resolution from the Wildland Fire Emissions Information System (WFEIS v0.5) for the conterminous ...


74. CENTURY: Modeling Ecosystem Responses to Climate Change, Version 4 (VEMAP 1995) [doi:10.3334/ORNLDAAC/820_1]
The CENTURY model, Version 4, is a general model of plant-soil nutrient cycling that is being used to simulate carbon and nutrient dynamics for different types of ecosystems including grasslands, ...


75. CMS: Carbon Fluxes from Global Agricultural Production and Consumption, 2005-2011 [doi:10.3334/ORNLDAAC/1279_1]
This data set provides global estimates of carbon fluxes associate with annual crop net primary production (NPP) and harvested biomass, annual uptake and release by humans and livestock, and the total ...


76. GEOECOLOGY: County-Level Environmental Data for the United States, 1964-1979 [doi:10.3334/ORNLDAAC/656_1]
The GEOECOLOGY Data Base is a compilation of environmental data for research and development needs that includes information for the period 1964 to 1979. The GEOECOLOGY Data Base contains selected ...


77. Global 1-degree Maps of Forest Area, Carbon Stocks, and Biomass, 1950-2010 [doi:10.3334/ORNLDAAC/1296_1]
This data set provides global forest area, forest growing stock, and forest biomass data at 1-degree resolution for the period 1950-2010. The data set is based on a compilation of forest area and ...


78. Global Forest Ecosystem Structure and Function Data For Carbon Balance Research [doi:10.3334/ORNLDAAC/949_1]
A comprehensive global database has been assembled to quantify CO2 fluxes and pathways across different levels of integration (from photosynthesis up to net ecosystem production) in forest ecosystems. ...


79. Harmonized Global Land Use for Years 1500 -2100, V1 [doi:10.3334/ORNLDAAC/1248_1]
These data represent fractional land use and land cover patterns annually for the years 1500 - 2100 for the globe at 0.5-degree (~50-km) spatial resolution. Land use categories of cropland, pasture, ...


80. NACP Forest Age Maps at 1-km Resolution for Canada (2004) and the U.S.A. (2006) [doi:10.3334/ORNLDAAC/1096_1]
This data set provides forest age map products at 1-km resolution for Canada and the United States (U.S.A.). These continental forest age maps were compiled from forest inventory data, historical ...


81. NACP MCI: CO2 Emissions Inventory, Upper Midwest Region, USA., 2007 [doi:10.3334/ORNLDAAC/1205_1]
This data set provides a bottom-up CO2 emissions inventory for the mid-continent region of the United States for the year 2007. The study was undertaken as part of the North American Carbon Program ...


82. NACP North American Forest Dynamics Project: Forest Disturbance and Regrowth Data [doi:10.3334/ORNLDAAC/1077_1]
This data set provides the results of time-series analyses of Landsat imagery for 55 selected forested sites across the conterminous U.S.A. The output is a pair of disturbance data products for each ...


83. NACP Regional: Gridded 1-deg Observation Data and Biosphere and Inverse Model Outputs [doi:10.3334/ORNLDAAC/1157_1]
This data set contains standardized gridded observation data, terrestrial biosphere model output data, and inverse model simulations of carbon flux parameters that were used in the North American ...


84. NACP Regional: Supplemental Gridded Observations, Biosphere and Inverse Model Outputs [doi:10.3334/ORNLDAAC/1158_1]
This data set contains standardized gridded observation data, terrestrial biospheric model output, and inverse model simulations that were compiled but not used in the North American Carbon Program ...


85. Remote Sensing Data Before and After California Rim and King Forest Fires, 2010-2015 [doi:10.3334/ORNLDAAC/1288_1]
This data set provides high-resolution surface reflectance, thermal imagery, burn severity metrics, and LiDAR-derived structural measures of forested areas in the Sierra Nevada Mountains, California, ...


86. A Global Database of Gas Fluxes from Soils after Rewetting or Thawing, Version 1.0 [doi:10.3334/ORNLDAAC/1078_1]
This database contains information compiled from published studies on gas flux from soil following rewetting or thawing. The resulting database includes 222 field and laboratory observations focused ...


87. A Global Database of Soil Respiration Data, Version 3.0 [doi:10.3334/ORNLDAAC/1235_1]
This data set provides an update of the soil respiration database (SRDB), a near-universal compendium of published soil respiration (RS) data. Soil respiration, the flux of autotrophically- and heterotrophically-generated ...


88. BOREAS SERM Forest Cover Data Layers of the SSA in Vector Format [doi:10.3334/ORNLDAAC/509_1]
This data set was prepared by the SERM-FBIU. The data include information on forest parameters and cover the area in and near the BOREAS SSA, excluding the PANP.


89. BOREAS TF-01 SSA-OA Understory Flux, Meteorological, and Soil Temperature Data [doi:10.3334/ORNLDAAC/513_1]
Energy, carbon dioxide, and momentum flux data collected under the canopy along with meteorological and soils data at the BOREAS SSA-OA site from mid-October to mid-November of 1993 and throughout ...


90. BOREAS TGB-07 Ambient Air Herbicide and Organochlorine Concentration Data [doi:10.3334/ORNLDAAC/389_1]
Contains herbicide and organic chlorine concentrations in ambient air samples for TGB-07 in the SSA.


91. BOREAS TGB-07 Dry Deposition Herbicide and Organochlorine Flux Data [doi:10.3334/ORNLDAAC/390_1]
Contains herbicide and organic chlorine fluxes in dry deposition samples for TGB-07 in the SSA.


92. BOREAS TGB-07 Rainwater Herbicide and Organochlorine Concentration Data [doi:10.3334/ORNLDAAC/391_1]
Contains 1993 and 1994 herbicide concentrations in rain samples for TGB-07 in the SSA.


93. BOREAS TGB-12 Soil Carbon and Flux Data of NSA-MSA in Raster Format [doi:10.3334/ORNLDAAC/517_1]
This data set contains (1) estimates of soil carbon stocks by horizon based on soil survey data and analyses of data from individual soil profiles; (2) estimates of soil carbon fluxes based on stocks, ...


94. Global N Cycle: Fluxes and N2O Mixing Ratios Originating from Human Activity [doi:10.3334/ORNLDAAC/797_1]
Nitrogen is a major nutrient in terrestrial ecosystems and an important catalyst in tropospheric photochemistry. Over the last century human activities have dramatically increased inputs of reactive ...


95. Global Soil Profile Data (ISRIC-WISE) [doi:10.3334/ORNLDAAC/547_1]
The ISRIC-WISE International soil profile data set consists of a homogenized, global set of 1,125 soil profiles for use by global modelers. These profiles provided the basis for the Global Pedon Database ...


96. LBA-ECO CD-05 Forest Understory Fuel Loads, Paragominas, Para, Brazil: 2001 [doi:10.3334/ORNLDAAC/1233_1]
This data set contains estimates of understory fuel loads (forest litter) at six locations near Paragominas in Northeastern Amazonia. Samples were collected from three different forest conditions: ...


97. LBA-ECO CD-05 Understory Fuel Stick Moisture, km 67 Site, Para, Brazil: 1998-2000 [doi:10.3334/ORNLDAAC/1232_1]
This data set contains moisture content measurements for fuel sticks located in the forest understory of the rainfall exclusion experimental site, Tapajos National Forest, Para, Brazil. The mean and ...


98. LBA-ECO CD-06 Soil Classification Map, Ji-Parana River Basin, Rondonia, Brazil [doi:10.3334/ORNLDAAC/1088_1]
This data set provides a digital map of soil orders for the Ji-Parana River Basin, in the state of Rondonia, Brazil (Western Amazonia). Soil orders were manually digitized from a 1:500,000 map from ...


99. LBA-ECO ND-02 Agricultural and Secondary Forest Soil Trace Gas Flux, Para: 2001-2004 [doi:10.3334/ORNLDAAC/950_1]
This data set reports the results of a study to measure soil emissions of the carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O), and nitric oxide (NO) throughout an entire cropping cycle ...


100. LBA-ECO ND-02 CO2 Flux from Soils in Forests and Pastures, Acre, Brazil: 1999-2001 [doi:10.3334/ORNLDAAC/1066_1]
This data set reports soil CO2 flux and results of physical and chemical characterization of soils from pastures, secondary forests, and mature forests near Rio Branco, Acre, Brazil. CO2 flux measurements ...


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