45 Works

LBA-ECO LC-15 NDVI Composite Images of the Amazon Basin: 1999-2000

N/A
This data set provides Normalized Difference Vegetation Index (NDVI) composite images of the Amazon Basin for the years 1999-2000 at approximately1-km spatial resolution. The images were from the VEGETATION 1 sensor, aboard the SPOT 4 satellite. Ten day composite images were reprocessed through several filters for cloud removal. Monthly NDVI data were used to create five metrics: maximum NDVI, minimum of 6 greenest months, range of NDVI between min and max, mean NDVI dry months,...

Global Gridded Soil Phosphorus Distribution Maps at 0.5-degree Resolution

X. YANG, W.M. POST, P.E. THORNTON & A.K. JAIN
This data set provides estimates of different forms of naturally occurring soil phosphorus (P) including labile inorganic P, organic P, occluded P, secondary mineral P, apatite P, and total P on a global scale at 0.5-degree resolution. The data were assembled from chronosequence information and global spatial databases to develop a map of total soil P and the distribution among mineral bound, labile, organic, occluded, and secondary P forms in soils. Uncertainty was calculated for...

A Global Database of Soil Phosphorus Compiled from Studies Using Hedley Fractionation

X. YANG, W.M. POST, P.E. THORNTON & A. JAIN
This data set provides concentrations of soil phosphorus (P) compiled from the peer-reviewed literature that cited the Hedley fractionation method (Hedley and Stewart, 1982). This database contains estimates of different forms of naturally occurring soil phosphorus, including labile inorganic P, organic P, occluded P, secondary mineral P, apatite P, and total P, based on the analyses of the various Hedley soil fractions. The recent literature survey (Yang and Post, 2011) was restricted to studies of...

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...

Harmonized Global Land Use for Years 1500 -2100, V1

L.P. CHINI, G.C. HURTT & S. FROLKING
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, primary land, secondary (recovering) land, and urban land, and underlying annual land-use transitions, are included. Annual data on age and biomass density of secondary land, as well as annual wood harvest, are included for each grid cell. Historical land cover data for the years...

LBA-ECO LC-21 Soil Characteristics, Logged Areas, Tapajos Forest, Para, Brazil: 2003

G.P. ASNER & L.P. OLANDER
This data set provides measurements for soil nutrients from areas that were selectively logged and from control areas in the Tapajos National Forest, Para Western Santarem, Brazil. Data are included for calcium (Ca), phosphorus (P), magnesium (Mg), nitrogen (N), aluminum (Al), iron (Fe), silicon (Si), carbon 13, nitrogen 15, and potassium (K) concentrations. In addition, data are included for Phosphorus fractionation which was performed on a subset of the soils, and soil bulk density measurements....

MODIS-derived Biophysical Parameters for 5-km Land Cover, North America, 2000-2012

K. ZHAO & R.B. JACKSON
This data set provides MODIS-derived surface biophysical climatologies of BRDF/albedo, land surface temperature, leaf area index (LAI), and evapotranspiration as separate files for each of the MODIS land cover types for North America. Each biophysical variable has temporal periods that represent the average of all 8-day periods from the years 2000 รข 2012. The data have a spatial resolution of 0.05 degree (~5 km) and a temporal resolution of eight days. The extent of the...

LBA-ECO ND-08 Soil Respiration, Soil Fractions, Carbon and Nitrogen, Para, Brazil

T.P. BELDINI & K. MCNABB
This data set provides (1) carbon (C) and nitrogen (N) concentration measurements of two soil aggregate fractions (250-2000 micon, small macro-aggregates (SMAG)), and (53-250 micron (micro-aggregates (mico)) and (2) in situ soil respiration measurements (January-March 2003) on sand and clay soils from a Eucalyptus plantation and an adjacent primary forest. The soils for fractionation were sampled in July 2001 from 0-20 cm and 30-50 cm depths. The research site was on the property of Jari...

NACP MsTMIP: Unified North American Soil Map

S. LIU, Y. WEI, W.M. POST, R.B. COOK, K. SCHAEFER & M.M. THORNTON
This data set provides soil maps for the United States (US) (including Alaska), Canada, Mexico, and a part of Guatemala. The map information content includes maximum soil depth and eight soil attributes including sand, silt, and clay content, gravel content, organic carbon content, pH, cation exchange capacity, and bulk density for the topsoil layer (0-30 cm) and the subsoil layer (30-100 cm). The spatial resolution is 0.25 degree. The Unified North American Soil Map (UNASM)...

NACP MsTMIP: Global and North American Driver Data for Multi-Model Intercomparison

Y. WEI, SHISHI LIU, D.N. HUNTZINGER, A.M. MICHALAK, N. VIOVY, W.M. POST, C.R. SCHWALM, K. SCHAEFER, A.R. JACOBSON, C. LU, H. TIAN, D.M. RICCIUTO, R.B. COOK, J. MAO & X. SHI
This data set provides environmental data that have been standardized and aggregated for use as input to carbon cycle models at global (0.5-degree resolution) and regional (North America at 0.25-degree resolution) scales. The data were compiled from selected sources (Table 2) and integrated into gridded global and regional collections of climatology variables (precipitation, air temperature, air specific humidity, air relative humidity (NA only), pressure, downward longwave radiation, downward shortwave radiation, and wind speed), time-varying atmospheric...

Regridded Harmonized World Soil Database v1.2

W. WIEDER
This data set describes select global soil parameters from the Harmonized World Soil Database (HWSD) v1.2, including additional calculated parameters such as area weighted soil organic carbon (kg C per m2), as high resolution NetCDF files. These data were regridded and upscaled from the Harmonized World Soil Database v1.2 The HWSD provides information for addressing emerging problems of land competition for food production, bio-energy demand and threats to biodiversity and can be used as input...

NACP Greenhouse Gases Multi-Source Data Compilation, 2000-2009

S.C. WOFSY & A. DAYALU
This data set is a collection of measurements of carbon dioxide (CO2) and non-CO2 greenhouse gases made across North America by nine independent atmospheric monitoring networks from 2000 - 2009. During this North American Carbon Program (NACP) sponsored activity, data were compiled from the following networks: AGAGE, COBRA, CSIRO, INTEX-A, INTEX B, Irvine Latitude Network, NOAA CMDL, SCRIPPS, and Stanley Tyler-UC Irvine. The files presented here are the products of merging multiple original measurement results...

LBA-ECO LC-07 CO2 and CH4 Flux from Wetlands, Negro River Basin, Brazil: 2004-2006

L. BELGER, B.R. FORSBERG & J.M. MELACK
This data set provides estimates of daily and monthly carbon dioxide (CO2) and methane (CH4) diffusive and ebullitive flux for dry and flooded areas from two study sites, Cuini and Itu, in the interfluvial wetlands of the upper Negro River basin, Brazil. CO2 (ebullitive and diffusive) and CH4 diffusive flux measurements were made one day each month from February 2005 through January 2006 in both permanently and seasonally flooded areas. For the remaining days of...

JERS-1 SAR Global Rain Forest Mapping Project: Vol. AM-1, South America

B. CHAPMAN, A. ROSENQVIST & A. WONG
Volume AM-1 of the JERS-1 SAR Global Rainforest Mapping Project CD-ROM series is a 4-disc set containing Synthetic Aperture Radar (SAR) imagery from the rainforest region of South America, including the Amazon Basin, during 1995-1996. The data were collected as part of an international initiative led by the National Space Development Agency of Japan (NASDA). In accordance with NASA's Memorandum of Understanding with NASDA, the JERS-1 SAR data are provided under the condition that the...

LBA-ECO CD-08 Leaf Carbon, Nitrogen, LAI, and Isotope Data, Manaus, Brazil: 2001

S.E. TRUMBORE
This data set provides measurements for carbon (C), nitrogen (N), leaf area index (LAI), and carbon isotope ratio data (13C and 14C) of leaves sampled at the Manaus ZF2 Jacaranda transect area, Amazonas, Brazil, in 2001. Leaf tips and the petioles from the youngest and oldest leaves from a sampled branch were analyzed for nine different species. There is one comma-delimited data file (.csv) with this data set.

ISLSCP II Air-Sea Carbon Dioxide Gas Exchange

T. TAKAHASHI, S.C. SUTHERLAND, R.H. WANNINKHOF, R.A. FEELY, R.F. WEISS, D.W. CHIPMAN, N. BATES, J. OLAFSSON, C. SABINE, A. POISSON, N. METZL, B. TILBROOK, Y. NOJIRI & C. SWEENEY
This data set contains the calculated net ocean-air carbon dioxide (CO2) flux and sea-air CO2 partial pressure (pCO2) difference. The estimates are based on approximately one million measurements made for the pCO2 in surface waters of the global ocean since the International Geophysical Year, 1956-1959. Only the ocean water pCO2 values measured using direct gas-seawater equilibration methods were used. The results represent the climatological distributions under non-El Nino conditions. Since the measurements were made in...

LBA-ECO LC-22 Field Validation of MODIS Deforestation Detection, Brazil, 2003-2004

R. DEFRIES, Y.E. SHIMABUKURO, D.C. MORTON, L.O. ANDERSON & F. DEL BON ESPIRITO-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 August 2003 to July 2004. The field observations were conducted in the forested areas between Nova Mutum and Sinop, MT. These data were part of a study to validate Moderate Resolution Imaging Spectroradiometer (MODIS) data at 250-m resolution for the detection of deforested areas. There are 16 data files...

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,...

LBA-ECO LC-02 Tributary Coordinates, Acre River, Tri-national River Basin: 2003-2004

M.J. MALDONADO & I.F. BROWN
This data set provides coordinates for points at the mouth of tributaries of the Acre River in the Tri-national River Basin in South America. Three Global Positioning System (GPS) readings were made at the outlet of each tributary and the average of the three readings is reported. The Tri-national River Basin is located in the tri-national frontier region of Madre de Dios, Peru, Acre, Brazil, and Pando, Bolivia (known as the MAP region). The MAP...

NACP MsTMIP Summary of Model Structure and Characteristics

D.N. HUNTZINGER, C.R. SCHWALM, A.M. MICHALAK, K. SCHAEFER, Y. WEI, R.B. COOK & A.R. JACOBSON
This data set provides a summary of the model structure and characteristics of participating models in the North American Carbon Program (NACP) Multi-scale synthesis and Terrestrial Model Intercomparison Project (MsTMIP), a formal model intercomparison and evaluation effort focused on improving the diagnosis and attribution of carbon exchange at regional and global scales. Model structure refers to the types of processes considered (e.g. nutrient cycling, disturbance, lateral transport of carbon), and the specific ways these processes...

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-19 Soil and Vegetation Data for Cerrado and Forested Sites, Brazil: 2002

A.R. HUETE, L.G. FERREIRA & T. MIURA
This data set provides measurements for soil physical and chemical properties, rooting depth and weight, leaf area index (LAI), plant area index (PAI), biomass, fraction of photosynthetically active radiation (fPAR), and ground-based reflectance measurements of soil and litter samples. The samples were collected from 23 areas within the Brazilian research sites of the Brasilia National Park (BNP) and Aguas Emnendadas Ecological Station (AE), Brasilia; Cangacu Research Center, Tocantins; and Tapajos National Forest, Para. The research...

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...

Registration Year

  • 2014
    45

Resource Types

  • Collection
    45

Data Centers

  • Oak Ridge National Laboratory Distributed Active Archive Center
    45