1,699 Works

LBA-ECO CD-17 Secondary Forest Survey, Para and Rondonia, Brazil: 2002-2003

W.A. SALAS, D.S. ALVES, M.J. DUCEY, D.J. ZARIN & J. QI
This data set provides measurements for diameter at breast height (DBH), tree height, distance from tree stems to the furthest canopy element, and a species survey of secondary forests in Para and Rondonia, Brazil, from 2002-2003. The forest areas were defined as Type A and Type B stands. Measurements were made in the overstory, understory, and midstory of each stand. Type A stands were sampled intensively, with the goal of providing high-fidelity spatial information about...

A Compilation of Global Soil Microbial Biomass Carbon, Nitrogen, and Phosphorus Data

X. XU, P.E. THORNTON & P. POTAPOV
This data set provides the concentrations of soil microbial biomass carbon (C), nitrogen (N) and phosphorus (P), soil organic carbon, total nitrogen, and total phosphorus at biome and global scales. The data were compiled from a comprehensive survey of publications from the late 1970s to 2012 and include 3,422 data points from 315 papers. These data are from soil samples collected primarily at 0-15 cm depth with some from 0-30 cm. In addition, data were...

LBA-ECO LC-22 Field Validation of MODIS Deforestation Detection, Brazil, 2005

R.S. DEFRIES, Y.E. SHIMABUKURO, D.C. MORTON, L.O. ANDERSON & F.D.B. ESPARITO-SANTO
This data set contains field observations, corresponding GPS points, and point and polygons of deforested areas in the state of Mato Grosso, Brazil, for the period March 17-24,2005. Fieldwork was conducted in the regions surrounding Sinop, Mato Grosso, with specific emphasis on large clearings occurring in the Xingu Basin. The field campaign was designed to validate preliminary MODIS deforestation products designed to detect deforestation during the wet season. There are five data files with this...

NACP CMS: Land Cover Projections (5.6-km) from GCAM v3.1, Conterminous US, 2005-2095

T.O. WEST & Y. Le Page
The data provided are annual land cover projections for years 2005 through 2095 generated by the Global Change Assessment Model (GCAM) Version 3.1. For the conterminous USA, the GCAM global gridded results were downscaled to ~5.6 km (0.05 degree) resolution. For each 5.6 x 5.6 km area, the annual land cover percentage comprised by each of the nineteen different land cover classes/plant functional types (PFTs) of the Community Land Model (CLM) (Table 1) are provided....

Tree Canopy Cover for the Circumpolar Taiga-Tundra Ecotone: 2000-2005

K.J. RANSON, P.M. MONTESAN & R. NELSON
This data set provides a map of selected areas with defined tree canopy cover over the circumpolar taiga-tundra ecotone (TTE). Canopy cover was derived from the 500-meter MODIS Vegetation Continuous Fields (VCF) product as averaged over six years from 2000-2005 and processed as described in Ranson et al. (2011). This process identified patches of low tree canopy cover which are indicative of the transition from forest to tundra and differentiate the circumpolar taigaĆ¢ tundra ecotone...

Soil Carbon Estimates in 20-cm Layers to 1-meter Depth, Conterminous US, 1970-1993

T.O. WEST
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 Database, Soil Survey Staff, 1994) data were used to estimate by 20-cm intervals to a 1-m depth the mean soil carbon for each of the STATSGO-delineated soil map units. These map units are the polygons represented in the provided Shapefile...

ISLSCP II Reanalysis Near-Surface Meteorology Data

P. DIRMEYER, M. ZHAO, G. WHITE & W. EBISUZAKI
This data set for the ISLSCP Initiative II data collection provides near surface meteorological variables, fluxes of heat, moisture and momentum at the surface, and land surface state variables, all with a spatial resolution of 1 degree in both latitude and longitude. There are four temporal categories of data: time invariant and monthly mean annual cycle fields (together referred to as "fixed" fields), monthly mean fields, monthly 3-hourly diurnal, and 3-hourly fields. Two types of...

Daymet: Daily Surface Weather Data on a 1-km Grid for North America, Version 2

P.E. THORNTON, M.M. THORNTON, B.W. MAYER, N. WILHELMI, Y. WEI, R. DEVARAKONDA & R.B. COOK
This data set provides Daymet output data as mosaicked gridded estimates of daily weather parameters for North America, including continuous surfaces of day length, precipitation, shortwave radiation, snow water equivalent, maximum air temperature, minimum air temperature, and water vapor pressure. The Daymet data product was derived from selected meteorological station data by interpolation and extrapolation algorithms. The data product covers the period January 1, 1980 to December 31 of the most recently processed calendar year...

LBA-ECO LC-02 Biophysical Measurements of Forests, Acre, Brazil: 1999-2002

D. SELHORST & I.F. BROWN
This data set provides diameter at breast height (DBH) measurements for 1,063 trees located at the Catuaba Experimental Farm, and 812 trees located in the Humaita Forest Reserve. Both sites are in the state of Acre, southwest Amazonia, Brazil. Measurements were made on individuals with DBH between 10 and 35 cm and individuals with DBH > 35 cm. The Catuaba Experimental Farm is part of a forest fragment of approximately 800 ha. The Humaita Forest...

Global Ocean Surface Water Partial Pressure of CO2 Database: Measurements Performed During 1957-2013 (Version 2013)

T. Takahashi, S. Sutherland & A. Kozyr

LBA-ECO CD-06 Biogeochemistry of Ji-Parana River and Tributaries, Brazil: 1999-2003

J.E. RICHEY, A.V. KRUSCHE, R.L. VICTORIA, M.V.R. BALLESTER, N.K. LEITE, B.M. GOMES, M.A. BOLSON, S.G. NETO & A.A. MONTEBELO
This data set provides spatially extensive and temporally intensive surveys of the river biogeochemistry of the Ji-Parana River Basin in Western Amazonia, Rondonia, Brazil. The concentrations of major nutrient ions, dissolved organic and inorganic carbon, pH, temperature, dissolved oxygen, and conductivity were measured in Ji-Parana River and tributary samples at the defined seasonal or monthly intervals. Dominant landuse/landcover classes, slope, and soil cation exchange capacity are included for each of the extensive sampling locations derived...

Carbon in the Atlantic Ocean Region - the CARINA project: Results and Data, Version 1.0

Oak Ridge National Laboratory Environmental Sciences Division

GEOSECS Atlantic, Pacific, Indian, and Mediterranean Radiocarbon Data

Oak Ridge National Laboratory Environmental Sciences Division

LBA-ECO TG-07 Seasonal Trace Gas Profiles in Brazilian Amazon Forests: 2004-2005

J.B. DO CARMO, M.M. KELLER, J.D. DIAS, P.B. DE CAMARGO & P.M. CRILL
This data set provides concentrations of carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O) from air samples collected at several heights on towers at three locations in upland old growth forests in the Brazilian Amazon during the wet and dry seasons of 2004 and 2005. Towers are located in the Caxiuana National Forest, in the state of Amazonas; the Manaus, Para, site in the Cuieiras Reserve; and the Sinop site, located north of that...

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

Y. PAN, J.M. CHEN, R. BIRDSEY, K. MCCULLOUGH, L. HE & F. DENG
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 fire data, optical satellite data, and the images from NASAĆ¢ s Landsat Ecosystem Disturbance Adaptive Processing System (LEDAPS) project. These input data products have various sources and creation dates as described in the source paper by Pan et al. (2011). Canadian maps were produced with...

obspack_co2_1_GLOBALVIEW-CO2_2013_v1.0.4_2013-12-23

Compiled by NOAA Global Monitoring Division: Boulder, Colorado, U.S.A. Data product accessed at http://dx.doi.org/10.3334/OBSPACK/1002

Measurements of CO2 system during the COOA CO2 Coastal Cruises in Gulf of Main 2004-2009

Oak Ridge National Laboratory Environmental Sciences Division

Hydrographic and CO2 Data Report at Station K2

Oak Ridge National Laboratory Environmental Sciences Division

Sea Surface and Atmospheric fCO2 data in the Caribbean during the VOS line 2003-2007 cruises onboard the cruise ship Explorer of the Seas

Oak Ridge National Laboratory Environmental Sciences Division

BOREAS TF-11 SSA Fen Leaf Gas Exchange Data

T.J. ARKEBAUER & S.B. VERMA
The BOREAS TF-11 team gathered a variety of data to complement their tower flux measurements collected at the SSA Fen site. This data set contains single-leaf gas exchange data from the SSA Fen site during 1994 and 1995. These leaf gas exchange properties were measured for the dominant vascular plants using portable gas exchange systems.

BOREAS/SRC AMS Suite A Surface Meteorological and Radiation Data: 1994

H. OSBORNE, K. YOUNG, V. WITTROCK & S.R. SHEWCHUK
The Saskatchewan Research Council (SRC) collected surface meteorological and radiation data from December, 1993 until Decemb er 1996. The data set is comprised of the Suite A (meteorological and energy balance measurements) and Suite B (diffuse sol ar and longwave measurements) components. Suite A measurements were taken at each of ten sites and suite B measurements were made at five of the suite A sites. These data cover an area of roughly 1000 km by...

NPP Boreal Forest: Canal Flats, Canada, 1984, R1

P.G. COMEAU & J.P. KIMMINS
This data set contains two files (.txt). One file contains stand characteristics, soil characteristics, biomass distribution, and production allocation data measured during the 1984 growing season in four lodgepole pine stands (Pinus contorta var. latifolia) located near Canal Flats, British Columbia, Canada (50.2 N -115.5 W Elevation 1,300-1,380 m). The second file contains climate data from a nearby weather station at Kananaskis Boundary, Alberta (50.98 N -115.12 W Elevation 1,463 m). Two lodgepole pine stands...

NPP Tropical Forest: Gunung Mulu, Malaysia, 1977-1978

J. PROCTOR
The NPP Database contains documented field measurements of NPP for global terrestrial sites compiled from published literature and other extant data sources. The NPP Database contains biomass dynamics, climate, and site-characteristics data georeferenced to each intensive site. A major goal of the data compilation is to use consistent and standard well-documented methods to estimate NPP from the field data. Other important components of the database include a summary, investigator contact information, and a list of...

NPP Tropical Forest: Magdalena Valley, Colombia, 1970-1971

H. FOLSTER
The NPP Database contains documented field measurements of NPP for global terrestrial sites compiled from published literature and other extant data sources. The NPP Database contains biomass dynamics, climate, and site-characteristics data georeferenced to each intensive site. A major goal of the data compilation is to use consistent and standard well-documented methods to estimate NPP from the field data. Other important components of the database include a summary, investigator contact information, and a list of...

BOREAS Level-3b AVHRR-LAC Imagery: Scaled At-Sensor Radiance in LGSOWG Format

J. CIHLAR
The BOREAS Staff Science Satellite Data Acquisition Program focused on providing the research teams with the remotely sensed satellite data products they needed to compare and spatially extend point results. Data acquired from the AVHRR instrument on the NOAA-9, -11, -12, and -14 satellites were processed and archived for the BOREAS region by the MRSC and BORIS. The data were acquired by CCRS and were provided for use by BOREAS researchers. A few winter acquisitions...

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