89 Works

Arctic Vegetation Plots in Northern NWT and YT, Canada, 1965-1966

J.D.H. LAMBERT
This dataset provides vegetation, soil, and plot characteristics for 154 study plots located at three sites across the Richardson Mountains, Northwest Territories (NWT), and the British Mountains, Yukon Territory (YT). Study sites in the NWT included areas near Canoe Lake and Divided Lake; the study site in the YT was near Trout Lake. Specific attributes include dominant vegetation, species cover, and the physical characteristics of the plot areas. A soil pit was dug at each...

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.

CARVE: Daily Thaw State of Boreal and Arctic Alaska from AMSR-E and SSM/I, 2003-2014

N. STEINER, K.C. MCDONALD & C.E. MILLER
This data set provides daily 10 km resolution maps of the Alaskan and Arctic Boreal land surface state as either frozen, melting, or thawed. These data are generated from passive microwave radiometer observations made from 2003 through 2014 by the Advanced Microwave Scanning Radiometer (AMSR-E) and the Special Sensor Microwave Imager (SSM/I). Data products overlap with science data collections carried out during the Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE).

LiDAR and DTM Data from Tapajos National Forest in Para, Brazil, 2008

M.A. LEFSKY, S.R. SALESKA & Y.E. SHIMABUKURO
This data set provides LiDAR point clouds and digital terrain models (DTM) from surveys over the Tapajos National Forest in Belterra municipality, Para, Brazil during late June and early July 2008. The surveys encompass the K67 and K83 eddy flux towers and a deforestation chronosequence managed through the Large-Scale Biosphere-Atmosphere Experiment in Amazonia providing long-term flux measurements of carbon dioxide. The LiDAR data was collected to measure forest canopy structure across Amazonian landscapes to monitor...

Maps of Vegetation Types and Physiographic Features, Imnavait Creek, Alaska

D.A. WALKER
This dataset provides the spatial distribution of vegetation types, soil carbon, and physiographic features in the Imnavait Creek area, Alaska. Specific attributes include vegetation, percent water, glacial geology, soil carbon, a digital elevation model (DEM), surficial geology and surficial geomorphology. Data are also provided on the research grids for georeferencing. The map data are from a variety of sources and encompass the period 1970-06-01 to 2015-08-31.

Arctic Vegetation Plots in Flux Tower Footprints, North Slope, Alaska, 2014

S.J. DAVIDSON, D. ZONA & D.A. WALKER
This data set provides vegetation, environmental, and soil data collected from plots located in the footprints of eddy covariance flux towers along a 300 km north-south latitudinal gradient from Barrow, to Atqasuk, and to Ivotuk across the North Slope of Alaska in 2014. Within each of the five flux tower footprints, 1x1-m quadrats were placed subjectively within widespread habitat or micro-habitat types to map the dominant vegetation communities and site environmental factors. Specific attributes included...

CMS: Aboveground Biomass for Mangrove Forest, Zambezi River Delta, Mozambique

T. FATOYINBO, E. FELICIANO, D. LAGOMASINO, S. LEE & C. TRETTIN
This dataset provides several estimates of aboveground biomass from various regressions and allometries for mangrove forest in the Zambezi River Delta, Mozambique. Plot level estimates of aboveground biomass are based on extensive tree biophysical measurements from field campaigns conducted in September and October of 2012 and 2013. Aboveground biomass estimates for the larger area of mangrove coverage within the delta are based on (1) the plot level data and (2) canopy structure data derived from...

CMS: CO2 Signals Estimated for Fossil Fuel Emissions and Biosphere Flux, California

M.L. FISCHER, N.C. PARAZOO, K. BROPHY, X. CUI, S. JEONG, JUNJIE LIU, R. KEELING, T.E. TAYLOR, K.R. GURNEY, T. ODA & H. GRAVEN
This data set provides estimated CO2 emission signals for 16 regions (air quality basins) in California, USA, during the individual months of November 2010 and May 2011. The CO2 signals were predicted from simulated atmospheric CO2 observations and modeled fossil fuel emissions and biosphere CO2 fluxes. Data is also provided for the land surface in the larger modeling domain outside California. CO2 signals refer to the local enhancement or depletion in atmospheric CO2 concentration caused...

MODIS and VIIRS Land Products Global Subsetting and Visualization Tool

The MODIS/VIIRS Global Subsetting and Visualization Tool provides on-demand, customized subsets of several MODIS Collection 6 and VIIRS (Version 001) land products. Data are available to the user through an interactive web page. The user specifies data product of interest and the area of interest by entering geographic coordinates or selecting the location on a map. Data are provided in either the native sinusoidal or geographic (WGS84) projection. Subsets are processed and delivered to the...

CMS: Mangrove Canopy Characteristics and Land Cover Change, Tanzania, 1990-2014

D. LAGOMASINO, T. FATOYINBO, S. LEE, E. FELICIANO, C. TRETTIN & M.C. HANSEN
This data set provides canopy height, land cover change, and stand age estimates for mangrove forests in the Rufiji River Delta in Tanzania. The estimates were derived from a canopy height model (CHM) using TanDEM-X imagery and Polarimetric SAR interferometry (Pol-InSAR) techniques. Landsat imagery circa 1990 and circa 2014 was used to estimate stand age between 1994 and 2014 and for forest land cover change modeling.

PhenoCam Dataset v1.0: Digital Camera Imagery from the PhenoCam Network, 2000-2015

T. MILLIMAN, K. HUFKENS, A.D. RICHARDSON, D.M. AUBRECHT, M. CHEN, J.M. GRAY, M.R. JOHNSTON, T. KEENAN, S.T. KLOSTERMAN, M. KOSMALA, E.K. MELAAS, M.A. FRIEDL, S. FROLKING, M. ABRAHA, M. ALBER, M. APPLE, B.E. LAW, T.A. BLACK, P. BLANKEN, D. BROWNING, S. BRET-HARTE, N. BRUNSELL, S.P. BURNS, E. CREMONESE, A.R. DESAI … & J.E. THOM
This dataset provides a time series of visible-wavelength digital camera imagery collected through the PhenoCam Network at each of 133 sites in North America and Europe from 2000-2015. The raw imagery was used to derive information on phenology, including time series of vegetation color, canopy greenness, and phenology transition dates for the PhenoCam Dataset v1.0.

ABoVE: Wildfire Date of Burning within Fire Scars across Alaska and Canada, 2001-2015

T.V. LOBODA & J.V. HALL
This dataset provides estimates of wildfire progression, as represented by date of burning (DoB), within fire scars across Alaska and Canada for the period 2001-2015. The estimated DoB was derived using an algorithm for identifying the first fire occurrence from the Moderate Resolution Imaging Spectroradiometer (MODIS) active fire detection product (MCD14ML, Collection 6) and to determine all dates of burning within fire scars. Burn scar locations were from the Alaskan Interagency Coordination Center (AICC) and...

Shrubland Species Cover, Biometric, Carbon and Nitrogen Data, Southern Idaho, 2014

N.F. GLENN, L.P. SPAETE, R. Shrestha, A. LI, N. ILANGAKOON, J. MITCHELL, S.L. USTIN, Y. QI, H. DASHTI & K. FINAN
This dataset provides the results of the characterization of shrubland vegetation at two study areas in southern Idaho, USA: the Reynolds Creek Experimental Watershed (RCEW) and Hollister. Data were collected in September and October 2014. In each study area, several 10-m x 10-m plots were randomly established that are representative of the local dominant vegetation types. Measurements are reported for both plot and individual shrub attributes. Plot measurements include shrub density and biometric data, percent...

CARVE: In-flight Videos from the CARVE Aircraft, Alaska, 2012-2015

This dataset contains videos captured by a camera mounted on the CARVE aircraft during airborne campaigns over the Alaskan and Canadian Arctic for the Carbon in Arctic Reservoirs Vulnerability Experiment (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 atmospheric gas content.

CARVE: L4 Gridded Footprints from WRF-STILT model, 2012-2016

J. HENDERSON, J.B. MILLER, T. NEHRKORN, R.Y-W. CHANG, C. SWEENEY, N. STEINER, S.C. WOFSY & C.E. MILLER
This data set provides Weather Research and Forecasting (WRF) Stochastic Time-Inverted Lagrangian Transport (STILT) Footprint data products for particle receptors located at positions along Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE) flight paths (2012 - 2015) and various meteorological stations in Alaska and the Canadian Arctic. Each product consists of multiple NetCDF footprint files packaged as a TAR/GZIP file. These aircraft and station positions were treated as receptors in the WRF-STILT model in order to...

Arctic Vegetation Plots from Pingo Communities, North Slope, Alaska, 1984-1986

M.D. WALKER & D.A. WALKER
This data set provides vegetation species and vegetation plot data collected between 1983 and 1985 from 293 study plots on 41 pingos on the North Slope of Alaska. The pingos were located within the Arctic Coastal Plain in the Kuparuk, Prudhoe Bay, Kadleroshilik, and Toolik River areas. Specific attributes include dominant vegetation species, cover, soil pH, moisture, and physical characteristics of the plots.

Daymet: Station-Level Inputs and Model Predicted Values for North America, Version 3

M.M. THORNTON, P.E. THORNTON, Y. WEI, R.S. VOSE & A.G. BOYER
This data set reports the station-level daily weather observation data and the corresponding Daymet model predicted data for three Daymet model parameters: minimum temperature (tmin), maximum temperature (tmax), and daily total precipitation (prcp). Each data file contains the daily observations and Daymet model predicted values for one variable and one year (1980 - the current full calendar year) for stations across North America. Also included are corresponding station metadata files for each variable and year,...

Arctic Vegetation Plots on Unalaska Island, Aleutian Islands, Alaska, 2007

S.S. TALBOT, W.B. SCHOFIELD, S.L. TALBOT, F.J.A. DANIELS, D.A. WALKER, A.L. BREEN & L.A. DRUCKENMILLER
This data set provides environmental, soil, and vegetation data collected during August 2007 from 69 study plots at the Unalaska Island research site, and one plot on Amaknak Island. The study sites are within the eastern Aleutian Islands, Alaska, USA. Data includes the plot information for vegetation, soils, and site characteristics for the study plots subjectively located in 11 plant communities that occur in six broad habitat types. Specific attributes include: dominant vegetation species and...

Arctic Vegetation Plots in Willow Communities, North Slope, Alaska, 1997

U. SCHICKHOFF, D.A. WALKER, A.L. BREEN & L.A. DRUCKENMILLER
This data set provides environmental, soil, and vegetation data collected in July and August 1997 from 85 study plots in willow shrub communities located along a north-south transect from the Brooks Range to Prudhoe Bay on the North Slope of Alaska. Data includes the baseline plot information for vegetation, soils, and site factors for the study plots subjectively located in three broad habitat types across the glaciated landscape. Specific attributes include: dominant vegetation species, cover,...

Land Cover and Vegetation Map Collection for Seward Peninsula, Alaska

M.K. RAYNOLDS, C. THAYER-SNYDER & J.D. SWANSON
This data set provides two landcover and vegetation maps for the Seward Peninsula, Alaska. These maps were produced from existing maps, Landsat imagery, and color infrared aerial photography covering the period 1976-06-01 to 1999-09-01.

Arctic Vegetation Plots at Umiat, North Slope, Alaska, 1951

E.D. CHURCHILL, D.A. WALKER, A.L. BREEN & L.A. DRUCKENMILLER
This data set provides vegetation cover and plot data collected during the periods of July and August, 1951, from 51 stands (areas of homogeneous vegetation communities) in the the Umiat region of Alaska, on the Colville River. The Umiat area is within the Northern Foothills section of the Arctic Foothills province on the slope north of the Brooks Range. Data include vegetation species, percent cover classes, soil moisture, topographic position, slope, aspect, and plot shape...

Arctic Vegetation Plots at Nome, Alaska, 1951

H.C. HANSON, D.A. WALKER, A.L. BREEN & L.A. DRUCKENMILLER
This data set provides environmental, soil, and vegetation data collected in July and August 1951 from 80 study plots in the Nome River Valley about 10 miles northeast of Nome, Alaska on the Seward Peninsula. Data includes the baseline plot information for vegetation, soils, and site factors for the study plots subjectively located in plant communities that were found to occur in 5 broad habitat types across the glaciated landscape. Specific attributes include: dominant vegetation...

Sources of Methane Emissions (Vista-LA), South Coast Air Basin, California, USA

V. CARRANZA, T. RAFIQ, I. FRAUSTO-VICENCIO, F. HOPKINS, K.R. VERHULST, P. RAO, R.M. DUREN & C.E. MILLER
This data set provides spatial data products with identified and classified locations of potential methane (CH4) emitting facilities and infrastructure in the South Coast Air Basin (SoCAB). These data products form a GIS-based mapping database designed to address shortcomings in current urban CH4 source inventories and is known as Vista Los Angeles (Vista-LA). SoCAB is the air shed for the greater Los Angeles urban area, which includes urbanized portions of the Los Angeles, Orange, Riverside,...

CMS: Global 0.5-deg Wetland Methane Emissions and Uncertainty (WetCHARTs v1.0)

A.A. BLOOM, K.W. Bowman, M. Lee, A.J. Turner, R. SCHROEDER, J.R. Worden, R.J. WEIDNER, K.C. MCDONALD & D.J. JACOB
This data set provides global monthly wetland methane (CH4) emissions and uncertainty data products derived from an ensemble of multiple terrestrial biosphere models, wetland extent scenarios, and CH4:C temperature dependencies. The data are at 0.5 by 0.5-degree resolution. Two model output data products are included in WetCHARTs v1.0: an output from the full ensemble for 2009-2010 and an output from a limited subset for 2001-2015. The intended use of the products is as a process-informed...

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