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51. Geoecology: County-Level Environmental Data for the United States, 1941-1981 [geoecology_R1_656_1]
The Geoecology database is a compilation of environmental data for the period 1941 to 1981. The Geoecology database contains selected data on terrain and soils, water resources, forestry, vegetation, ...


52. Global 1-degree Maps of Forest Area, Carbon Stocks, and Biomass, 1950-2010 [Global_Biomass_1950-2010_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 ...


53. Global Forest Ecosystem Structure and Function Data For Carbon Balance Research [LUYSSAERT_CARBON_FLUX_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. ...


54. Global N Cycle: Fluxes and N2O Mixing Ratios Originating from Human Activity [global_n_cycle_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 ...


55. Global Soil Profile Data (ISRIC-WISE) [ISRIC_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 ...


56. Harmonized Global Land Use for Years 1500 -2100, V1 [LAND_USE_HARMONIZATION_V1_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, ...


57. LBA-ECO CD-05 Forest Understory Fuel Loads, Paragominas, Para, Brazil: 2001 [CD05_FUEL_LOADS_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: ...


58. LBA-ECO CD-05 Understory Fuel Stick Moisture, km 67 Site, Para, Brazil: 1998-2000 [CD05_REE_FUEL_STICK_MOISTURE_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 ...


59. LBA-ECO CD-06 Soil Classification Map, Ji-Parana River Basin, Rondonia, Brazil [CD06_SOILS_JIPARANA_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 ...


60. LBA-ECO ND-02 Agricultural and Secondary Forest Soil Trace Gas Flux, Para: 2001-2004 [LBA_ASFSTGF_PARA_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 ...


61. LBA-ECO ND-02 CO2 Flux from Soils in Forests and Pastures, Acre, Brazil: 1999-2001 [ND02_SOIL_CO2_FLUX_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 ...


62. LBA-ECO ND-04 Secondary Forest Recovery, Structure, and LAI, Central Amazonia, Brazil [ND04_SECONDARY_FOREST_RECOVERY_1068_1]
This data set reports measurements of the canopy and structure of secondary forests regenerating from abandoned pastures. These secondary forests are located in the state of Amazonas, Brazil, along ...


63. LBA-ECO ND-11 Pre-harvest Forest Tree and Liana Biomass, NW Mato Grosso, Brazil: 2003 [LBA_ND11_TVBIOMASS_922_1]
Tree and liana (vine) measurements were collected in a logging concession at the Fazenda Rohsamar in the municipality of Jurena in northwestern Mato Grosso. Tree identification and diameter measurements ...


64. LBA-ECO ND-11 Soil Water Pressure and Flow Measurements under Tree Crops [lba_nd11_swp_851_1]
This data set contains information that can be used to examine water fluxes in soils beneath tree crops in an Amazonian agroforest. The data consists of repeated measurements of soil matrix pressure ...


65. LBA-ECO TG-05 NPP, Carbon Pool, Soil Characteristics, Soil Gas Flux Maps of Brazil [TG05_CASA_1199_1]
This data set provides maps produced from model output data from the National Aeronautics and Space Administration-Carnegie Ames Stanford Approach (NASA-CASA) model and other modeling approaches. ...


66. Meteorology (OTTER) [OTTER_MET_50_1]
Meteorology data collected on an hourly basis from stations located near the OTTER sites in 1990 and summarized to monthly data--see also: Canopy Chemistry (OTTER)


67. Mount Elgon National Park Base Data [UWAd0007_209]
This dataset contains shapefiles with topographical data for Mount Elgon National Park, in Eastern Uganda. The dataset comprises : Vegetation_1994, Towns, Su-counties, Slope, Sites, Roads, Rivers(small, ...


68. Mowing Experiment Biophys. Data (FIFE) [FIFE_MOW_BIOP_55_1]
Plant biomass data where grazing height or frequency were simulated by mowing


69. NACP Forest Age Maps at 1-km Resolution for Canada (2004) and the U.S.A. (2006) [NA_TREEAGE_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 ...


70. NACP MCI: CO2 Emissions Inventory, Upper Midwest Region, USA., 2007 [NACP_MCI_CO2_INVENTORY_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 ...


71. NACP North American Forest Dynamics Project: Forest Disturbance and Regrowth Data [NAFD_DISTURBANCE_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 ...


72. NACP Regional: Gridded 1-deg Observation Data and Biosphere and Inverse Model Outputs [NACP_REGIONAL_OBS_MODEL_GRID_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 ...


73. NACP Regional: Supplemental Gridded Observations, Biosphere and Inverse Model Outputs [NACP_REGIONAL_OBS_MODEL_SUPPL_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 ...


74. Site Averaged Flux Data: 1987-1989 (Betts) [FIFE_FFO_FLX_93_1]
Site averaged product of the flux data collected by many PIs during the 1987-1989 FIFE experiment. Data are in 30-minute intervals and include the entire period 1987-1989.


75. Site Averaged Gravimetric Soil Moisture: 1989 (Betts) [FIFE_FFOGRV89_99_1]
Site averaged product of the gravimetric soil moisture collected during the 1987-1989 FIFE experiment. Samples were averaged for each site, then averaged for each day. Includes only 1989 data.


76. Soil Carbon Estimates in 20-cm Layers to 1-meter Depth, Conterminous US, 1970-1993 [WEST_SOIL_CARBON_1238_1]
This data set provides a soil map with estimates of soil carbon (C) in g C/m2 for 20-cm layers from the surface to one meter depth for the conterminous United States.STATSGO v.1 (State Soil Geographic ...


77. Soil Moisture Data: Peck (FIFE) [FIFE_PECK_SM_109_1]
Gravimetric soil moisture data collected in conjunction w/ gamma ray soil study


78. Tree Mortality from Fires and Bark Beetles at 1-km Resolution, Western USA, 2003-2012 [Tree_Mortality_Western_US_1512_1]
This data set provides annual estimates of tree mortality due to fires and bark beetles from 2003 to 2012 on forestland in the continental western United States. Tree mortality was estimated at 1-km ...


79. Active Layer Monitoring, Arctic and Subarctic Canada, Version 6 [GGD353_6]
This project involves measuring regional and site variability in maximum annual active layer development and vertical surface movement over permafrost, and monitoring sites over time in order to observe ...


80. Active layer and permafrost properties, including snow depth, soil temperature, and soil moisture, Barrow, Alaska, Version 1 [GGD222_1]
This data set contains soil temperature, soil moisture, thaw depth, and snow depth data collected at test sites near Barrow, Alaska, during the following years. Soil temperature data - 1963-1966, ...


81. Atlas of Community-Based Monitoring in a Changing Arctic (Arctic CBM), Version 1 [ELOKA033_1]
This atlas showcases Arctic communities actively involved in observing social and environmental change. It was designed to highlight the many community-based monitoring (CBM) and traditional knowledge ...


82. Borehole permafrost data, Kumtor and Taragai Valleys, Tienshan, Kazakhstan, Version 1 [GGD499_1]
This dataset includes observations of the permafrost temperatures in the Inner Tien Shan were started in 1986 by Kazakhstan Alpine Permafrost Laboratory. Observations are carried out on more than ...


83. Borehole temperatures from mountain permafrost monitoring, Mongolia, Version 1 [GGD332_1]
Location and description of some geocryological boreholes in Mongolia. Data include latitude, longitude, location, depth of permafrost top and bottom, and mean annual soil temperature. These data ...


84. Cryosolic pedons from Northern Canada, Version 1 [GGD311_1]
Pedons included here represent Cryosolic (permafrost-affected) soils from across the Canadian North from Baffin Island in the east, to the lower Mackenzie Valley and northern Yukon in the west, and ...


85. Daily Soil Temperature and Meteorological Data for Sites at Toolik Lake Alaska, Version 1 [GGD906_1]
This data set consists of daily air, water, and soil temperature, wind speed, vapor pressure, and the sum of global radiation and unfrozen precipitation data from the Toolik Lake area of Alaska between ...


86. Ground temperatures, Liefdefjord, northwest Svalbard, Version 1 [GGD416_1]
This dataset includes ground temperature data from coarse morainal (till) soil in a tundra area, on a 2-degree slope with rapid drainage, 45 m asl, at an undisturbed site with about 10 percent vegetation ...


87. Laboratory Study of Stick-Slip Behavior and Deformation Mechanics of Subglacial Till, Version 1 [NSIDC-0460_1]
This data set includes the results of laboratory experiments examining the constitutive properties of subglacial till, under dynamic stressing. The data include the results of shear strain and stress ...


88. Maps of Geocryological Regions and Classifications in China, Version 1 [GGD603_1]
This data set includes digital versions of 'The Map of Geocryological Regionalization and Classification in China' from Geocryology in China by Y. Zhou, D. Guo, G. Qiu, G. Cheng, and S. Li. Included ...


89. Northern Circumpolar Soils Map, Version 1 [GGD602_1]
This data set consists of a circumpolar map of dominant soil characteristics, with a scale of 1:10,000,000, covering the United States, Canada, Greenland, Iceland, northern Europe, Russia, Mongolia, ...


90. Permafrost Map of Alaska, USA, Version 1 [GGD320_1]
This data set consists of a geo-referenced digital map and attribute data derived from the publication 'Permafrost map of Alaska'. The map is presented at a scale of 1 to 2,500,000 and shows the correlation ...


91. Permafrost, palsas and frost-crack polygons, Salluit, Quebec, Canada, Version 1 [GGD418_1]
This dataset includes temperature conditions for ice-wedge cracking, Salluit, northern Quebec. Air temperature, soil temperature, wind speed and direction, July 1989 through April 1991 (not continuous ...


92. Permafrost-related micrometeorology and soil temperatures, Qingzang Plateau, China, Version 1 [GGD486_1]
These data sets include Surface Meteorological Data (D100, D105, Tanggula Pass, Wetland), Ground Temperature (D100, D105, Tanggula Pass, Wetland), Soil Moisture Data, Evaporation, and soil physical ...


93. SMEX02 Aircraft Polarimetric Scanning Radiometer (PSR) Data, Version 1 [NSIDC-0205_1]
This data set includes brightness temperature (Tb) and soil moisture data.


94. SMEX02 Iowa Regional Ground Soil Moisture Data, Version 1 [NSIDC-0182_1]
These data were collected as part of a validation study for the Advanced Microwave Scanning Radiometer - Earth Observing System (AMSR-E). Data were collected in crop fields using a variety of methods ...


95. SMEX02 Iowa Satellite Vegetation and Water Index (NDVI and NDWI) Data, Version 1 [NSIDC-0184_1]
This data set consists of Normalized Difference Vegetation Index (NDVI) and Normalized Difference Water Index (NDWI) data, derived from Landsat 5 Thematic Mapper (TM) and Landsat 7 Enhanced Thematic ...


96. SMEX02 Land Surface Information: Soils Database, Version 1 [NSIDC-0278_1]
This data set includes soil moisture data for the following 10 Iowa counties: Boone, Dallas, Franklin, Hamilton, Hardin, Jasper, Marshall, Polk, Story, and Wright. These data were created by appending ...


97. SMEX02 Regional Vegetation Sampling Data, Iowa, Version 1 [NSIDC-0188_1]
This data set contains the vegetation parameters plant height, row spacing, stand density, and leaf area index (LAI) as part of the Soil Moisture Experiment 2002 (SMEX02).


98. SMEX02 SMACEX Tower Meteorological/Flux Data: Iowa, Version 1 [NSIDC-0438_1]
Notice to Data Users: The documentation for this data set was provided solely by the Principal Investigator(s) and was not further developed, thoroughly reviewed, or edited by NSIDC. Thus, support ...


99. SMEX02 SSM/I Brightness Temperature Data, Iowa, Version 1 [NSIDC-0200_1]
This data set provides brightness temperature data, acquired during the Soil Moisture Experiment 2002 (SMEX02) by the Special Sensor Microwave/Imagery (SSM/I).


100. SMEX02 Sliced Core Soil Moisture Data, Walnut Creek Watershed, Iowa, Version 1 [NSIDC-0203_1]
This data set includes sliced soil core moisture data collected during the Soil Moisture Experiment 2002 (SMEX02).


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