1,596 Works

ABoVE: Cumulative Annual Burned Area, Circumpolar High Northern Latitudes, 2001-2015

T.V. LOBODA, J.V. HALL, A.H. HALL & V.S. SHEVADE
This dataset provides annual cumulative end-of-season burned area in circumpolar high northern latitudes (HNL) above 60 degrees for the years 2001-2015. The data were generated using the Arctic Boreal Burned Area (ABBA) product (a MODIS-based algorithm). The product is delivered in two spatial domains: circumpolar and a North American subset for areas above 60 degree north.

ABoVE: Burn Severity of Soil Organic Matter, Northwest Territories, Canada, 2014-2015

N.H.F. French, J.A. Graham & L.L. Bourgeau-Chavez
This dataset provides maps at 30-m resolution of landscape burn severity of surface litter and soil organic layers from the 2014-2015 fires in the Northwest Territories and Northern Alberta, Canada. The maps were derived from Landsat 8 Operational Land Imager/Thermal Infrared Sensor (OLI/TIRS) imagery and two separate multiple linear regression models trained with field data; one for the plains and a second for the shield ecoregion. Field observations were used to estimate area burned in...

ABoVE: Distribution Maps of Wildland Fire Fuel Components across Alaskan Tundra, 2015

J. He, T.V. Loboda, L. Jenkins & D. Chen
This dataset provides maps of the distribution of three major wildland fire fuel types at 30 m spatial resolution covering the Alaskan arctic tundra, circa 2015. The three fuel components include woody (evergreen and deciduous shrubs), herbaceous (sedges and grasses), and nonvascular species (mosses and lichens). Multi-seasonal and multispectral mosaics were first developed at 30 m resolution using Landsat 8 surface reflectance data collected from 2013 to 2017. The spectral information from Landsat mosaics was...

ABoVE: Environmental Conditions During Fall Moose Hunting Seasons, Alaska, 2000-2016

D.R.N. Brown, T. Hasbrouck, T.J. Brinkman, G. Stout, K. Kielland & E. Trochim
This dataset provides daily and annual air temperature, river water level, and leaf drop dates coincident with the moose (Alces alces) hunting season (September) for the area surrounding the rural communities of Nulato, Koyukuk, Kaltag, Galena, Ruby, Huslia, and Hughes in interior Alaska, USA, over the period 2000-2016. The main objective of the study was to assess how the environmental conditions impacted the success of hunters who rely on moose as a subsistence resource.

Field data and fractional cover maps of vegetation across tundra fire gradients, AK

G. Frost, L.B. Saperstein, P.R. Nelson, D.P. Paradis & J.D. Rochester
Field data were collected 18-31 July 2017 in Arctic tundra across gradients of wildfire history in the Izaviknek Hills, central Yukon-Kuskokwim Delta, Alaska. The field data include: 1. Vegetation species-composition and cover collected using a point-intercept sampling approach 2. Vegetation heights (maximum height of shrubs and herbs) 3. Leaf Area Index (LAI) measurements 4. Permafrost thaw-depth measurements 5. Soil moisture measurements 6. Soils and geomorphology descriptions 7. Spatial locations of field plots 8. Landscape photographs

Thermokarst Lake Littoral Zone Diffusive Methane Fluxes, Fairbanks, AK

C. Elder, P. Hanke, K.W. Anthony, D.R. Thompson, C.E. Miller & A.K. Thorpe
This dataset is comprised of 200 diffusive methane fluxes collected from the littoral zones of two thermokarst lakes in the Goldstream Valley north of Fairbanks, AK. The data was collected to verify spatial patterns in methane flux (exponential decay with distance from water) detected by NASA's Next Generation Airborne Visible/Infrared Imaging Spectrometer (AVIRIS-NG). The data was collected during the July 2018 using a mobile closed chamber technique where chamber air was recirculated through an LGR...

GLOBAL OCEAN DATA ANALYSIS PROJECT (GLODAP): RESULTS AND DATA

Oak Ridge National Laboratory Environmental Sciences Division

BOREAS TE-02 Foliage Respiration Data

M.G. RYAN & M. LAVIGNE
The BOREAS TE-02 team collected several data sets in support of its efforts to characterize and interpret information on the respiration of the foliage, roots, and wood of boreal vegetation. This data set contains measurements of foliar respiration conducted in the NSA during the growing season of 1994.

ABoVE: Burn Severity, Fire Progression, and Field Data, NWT, Canada, 2015-2016

L.L. BOURGEAU-CHAVEZ, S. ENDRES, L. JENKINS, M. BATTAGLIA, E. SEROCKI & M. BILLMIRE
This data set provides a fire progression map for year 2015 and measures of burn severity and vegetation community biophysical data collected from areas that were burned by wildfires in 2014 and 2015 in the Northwest Territories, Canada. Field data collected in 2016 include an estimate of burn severity, woody seedling/sprouting data, soil moisture, peat depth, thaw depth, and vegetation cover for selected sites.

NPP Grassland: Central Plains Experimental Range (SGS), USA, 1939-1990, R1

D. URESK, P.L. SIMS & J.L. DODD
This data set records the productivity of a semiarid shortgrass prairie steppe located in the Central Plains Experimental Reserve (CPER)/Pawnee National Grassland in north-central Colorado. There are nine data files (.txt). Four files contain measurements of monthly dynamics of harvested above-ground plant biomass, one file each for untreated, irrigated, fertilized, and irrigated + fertilized plots for the period 1970 to 1975. The fifth file contains annual above-ground NPP estimates for the untreated plot for the...

Pre-ABoVE: Remotely Sensed Active Layer Thickness, Prudhoe Bay, Alaska, 1992-2000

L. LIU, K. SCHAEFER, T. SCHAEFER, A. CHEN, A. GUSMEROLI, A. PARSEKIAN, S. PANDA, H.A. ZEBKER & T. ZHANG
Active layer thickness (ALT) is a critical parameter for monitoring the status of permafrost that is typically measured at specific locations using probing, in situ temperature sensors, or other ground-based observations. The thickness of the active layer is the average annual thaw depth, in permafrost areas, due to solar heating of the surface. This data set includes the mean Remotely Sensed Active Layer Thickness (ReSALT) over years 1992 to 2000 for an area near Prudhoe...

RLC AVHRR-Derived Land Cover, Former Soviet Union, Far East, 1-km, 1990

T.A. STONE & P. SCHLESINGER

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

S.M. OGLE, A.E. SCHUH, T.O. WEST, K.R. GURNEY, L.S. HEATH, J.L. MCCARTY, J.E. SMITH, F.J. BREIDT & D. COOLEY
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 (NACP) Mid-Continent Intensive (MCI) campaign. Emissions for the MCI region were compiled from these resources into nine inventory sources (Table 1):(1) forest biomass and soil carbon, harvested woody products carbon, and agricultural soil carbon from the U.S. Greenhouse Gas (GHG) Inventory (EPA,...

BOREAS TE-09 in situ Understory Spectral Reflectance within the NSA

GEOFFREY EDWARDS, K.P.B. THOMSON & A.P. VIAU
Spectral reflectance of the forest understory at the ground level, in three boreal forest sites of Northern Manitoba (56 degrees N latitude and 98 degrees W longitude), were obtained and analyzed. The objective of the study was to estimate light levels inside the forest canopy and to link these estimates with airborne images taken above the canopy, in order to tie the photosynthetic experiments and models with the remotely sensed measurements. The Boreal Ecosystem-Atmospheric Study...

LBA-ECO ND-30 Fractional Cover of Mixed Land Use Ranches, Para and Rondonia, Brazil

E.A. DAVIDSON, G.P. ASNER, T.A. STONE, C. NEILL & R.D.O. FIGUEIREDO
This data set contains images of fractional cover estimates of photosynthetic vegetation (PV) canopy, nonphotosynthetic vegetation (NPV), and exposed soils (S) derived from Landsat images (30-m resolution) obtained for two ranches in the Brazilian Amazon from 1996 to 2002. The Fazenda Vitoria ranch is located in eastern Para near the city of Paragominas and is a mosaic of primary forest, logged forest, secondary forest, and pasture with moderately dissected topography. The Fazenda Nova Vida ranch...

CARVE: L2 Atmospheric Gas Concentrations, Airborne Flasks, Alaska, 2012-2015

C. SWEENEY, J.B. MILLER, A. KARION, S.J. DINARDO & C.E. MILLER
This data set provides atmospheric carbon dioxide (CO2), methane (CH4), carbon monoxide (CO), molecular hydrogen (H2), nitrous oxide (N2O), sulfur hexafluoride (SF6), and other trace gas mole fractions (i.e. "concentrations") from airborne campaigns over the Alaskan and Canadian Arctic for the Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE). The CARVE flight campaigns took place from 2012 to 2015 between the months of March and November to enable investigation of both seasonal and inter-annual variability in...

LBA-ECO TG-10 Fire Emission Factors in Mato Grosso, Para, and Amazonas, Brazil: 2004

R.J. YOKELSON, T.R. KARL, P.E. ARTAXO, D.R. BLAKE, T.J. CHRISTIAN, D.W.T. GRIFFITH, A.B. GUENTHER & W.M. HAO
This data set provides derived emission factors (EFs), reported in grams of compound emitted per kilogram of dry fuel (g/kg), for PM10 (particulate matter up to 10 micrometers in size), O3, CO2, CO, NO, NO2, HONO, HCN, NH3, OCS, DMS, CH4, and up to 48 non-methane organic compounds (NMOC) from the Tropical Forest and Fire Emissions Experiment (TROFFEE). TROFFEE used laboratory measurements followed by airborne and ground based field campaigns in Mato Grosso, Para, and...

Particulate iodine concentrations and associated ion fractions for ATom-1 and ATom-2

J.L. Jimenez, P. Campuzano-Jost, D.A. Day, B.A. Nault & J.C. Schroder
This dataset consists of aircraft HR-AMS measurements of particulate iodine taken on the NASA ATom 1 and 2 missions

Disturbance History and Forest Biomass from Landsat for Six US Sites, 1985-2014

W.B. Cohen, Z. Yang, S.P. Healey & H.E. Andersen
This dataset provides derived disturbance history and predicted annual forest biomass maps at 30-m resolution for six selected Landsat scenes across the Conterminous United States (CONUS) for the period 1985-2014. The focus sites are in the following states: Colorado, Maine, Minnesota, Oregon, Pennsylvania, and South Carolina. These scenes were selected to represent a wide range of forest ecosystems, which ensured that a diversity of forest type groups and forest change processes (e.g., harvest, fire, insects,...

SAFARI 2000 FPAR TRAC Data for Mongu, Zambia, 1999-2002

J.L. PRIVETTE, M.M. MUKELABAI & K.F. HUEMMRICH
Data from the Tracing Architecture and Radiation of Canopies (TRAC) instrument were processed to determine the fraction of intercepted photosynthetically active radiation (FPAR) at the EOS Validation Core Site in Kataba Local Forest, approximately 20 km south of Mongu, Zambia. Measurements began in 1999 and continued into 2002, with measurements collected about every month. TRAC contains three pyranometers sensitive to PAR wavelengths, with two sensors upward looking and one downward looking. The TRAC instrument was...

ABoVE: Annual Phenology Derived from Landsat across the ABoVE Core Domain, 1984-2014

E.K. Melaas, D. Sulla-Menashe, C.E. Woodcock & M.A. Friedl
This dataset provides annual maps of the timing of spring onset with leaf emergence, of autumn onset with leaf senescence, and of peak greenness for each 30 m pixel derived from Landsat time series of Thematic Mapper (TM) and Enhanced Thematic Mapper (ETM+) observations from 1984 to 2014. The ABoVE core domain includes 169 ABoVE grid tiles across Alaska, USA and Alberta, British Columbia, Northwest Territories, Nunavut, Saskatchewan, and Yukon, Canada. The data provided for...

ABoVE: Passive Microwave-derived Annual Snowoff Date Maps, 1988-2016

C.G. Pan, P.B. Kirchner, J. Du & J.S. Kimball
This dataset provides annual maps of the snowoff (SO) date from 1988-2016 across Alaska and parts of Far East Russia and northwest Canada at a resolution of 6.25 km. SO date is defined as the last day of persistent snow and was derived from the MEaSUREs Calibrated Enhanced-Resolution Passive Microwave (PMW) EASE-Grid Brightness Temperature (Tb) Earth System Data Record (ESDR) product. The spatial domain was intended to match MODIS Alaska Snow Metrics and extend its...

ABoVE: Boreal Plot Characteristics and Carbon Stock Combustion, SK, CA, 2015-2016

C. Dieleman, B.M. Rogers, S. Veraverbeke, J.F. Johnstone, J. Laflamme, L. Gelhorn, K. Solvik, X.J. Walker, M.C. Mack & M.R. Turetsky
This dataset contains estimates of plot-level pre-fire and post-fire carbon stocks and combustion rates, as well plot characteristics of 79 southern boreal stands in central Saskatchewan (SK), Canada. Field measurements were completed in 2016 at 47 stands that burned in the 2015 Saskatchewan wildfires (Egg, Philion, Brady), paired with 32 unburned stands with similar features. Plots were characterized in terms of the vegetative community (i.e. tree species and abundance, stand age), soil moisture, fire history,...

ABoVE: Atmospheric Gas Concentrations from Airborne Flasks, Arctic-CAP, 2017

C. Sweeney, K. McKain, B. Miller & S. Englund-Michel
This dataset provides atmospheric carbon dioxide (CO2), methane (CH4), carbon monoxide (CO), molecular hydrogen (H2), nitrous oxide (N2O), sulfur hexafluoride (SF6), and other trace gas mole fractions (i.e. "concentrations") from flights over Alaska and the Yukon and Northwest Territories of Canada during the Arctic Carbon Aircraft Profile (Arctic-CAP) monthly sampling campaigns from April-November 2017. The data were derived from laboratory measurements of whole air samples collected by Programmable Flask Packages (PFP) onboard the aircraft. During...

MODIS Collection 5 Land Product Subsets Web Service

N/A
The MODIS subsets Web service provides data access capabilities for Moderate Resolution Imaging Spectroradiometer (MODIS) Collection 5 subsets through standards based SOAP (Simple Object Access Protocol) Web service. Through the Web service users can obtain data access functions to execute on their local computing resources. The MODIS Web service is built on ORNL DAAC's MODIS Global subsetting and visualization tool that provides customized subsets and visualization of MODIS land products for any land location on...

Registration Year

  • 2012
    1,039
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    79
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    58
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    42
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    116
  • 2017
    89
  • 2018
    73
  • 2019
    93
  • 2020
    7

Resource Types

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    2