45 Works

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...

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...

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...

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 â 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 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...

NACP MsTMIP: Global 0.5-degree Model Outputs in Standard Format, Version 1.0

D.N. HUNTZINGER, C.R. SCHWALM, Y. WEI, R.B. COOK, A.M. MICHALAK, K. SCHAEFER, A.R. JACOBSON, M.A. ARAIN, P. CIAIS, J.B. FISHER, D.J. HAYES, M. HUANG, S. HUANG, A. ITO, A.K. JAIN, H. LEI, C. LU, F. MAIGNAN, J. MAO, N.C. PARAZOO, C. PENG, S. PENG, B. POULTER, D.M. RICCIUTO, H. TIAN … & B. TAO
This data set provides global gridded estimates of carbon, energy, and hydrologic fluxes between the land and atmosphere from 15 Terrestrial Biosphere Models (TBMs) in a standard format. Model estimates are at monthly and yearly time steps for the period 1900 to 2010, with a spatial resolution of 0.5 degree x 0.5 degree globally, excluding Antarctica.

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...

NACP CMS: Forest Biomass and Productivity, 1-degree and 5-km, Conterminous US, 2005

G.J. COLLATZ, C. WILLIAMS, B. GHIMIRE, S. GOWARD & J. MASEK
Spatially-gridded estimates of above ground biomass (AGB), net primary productivity (NPP), and net ecosystem productivity (NEP) are provided for forested areas of the conterminous United States (CONUS). Estimates of uncertainty are also provided for AGB and NEP. These data were derived by using Forest Inventory and Analysis (FIA) data to constrain forest growth rates in a Carnegie-Ames-Stanford Approach (CASA) carbon-cycle process model. Note that the data set does not include data for forests in the...

CMS: LiDAR-derived Estimates of Aboveground Biomass at Four Forested Sites, USA

B.D. COOK, A. SWATANTRAN, L. DUNCANSON, A. ARMSTRONG, N. PINTO & R.F. NELSON
These data consist of high-resolution maps of aboveground biomass at four forested sites in the US: Garcia River Tract in California, Anne Arundel and Howard Counties in Maryland, Parker Tract in North Carolina, and Hubbard Brook Experimental Forest in New Hampshire. Biomass maps were generated using a combination of field data (forest inventory and Lidar) and modeling approaches. Estimates of uncertainty are also provided for the Maryland site using two different modeling methodologies. These data...

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...

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...

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...

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)...

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.

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...

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,...

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....

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...

A Global Database of Soil Respiration Data, Version 3.0

B.P. BOND-LAMBERTY & A.M. THOMSON
This data set provides an update of the soil respiration database (SRDB), a near-universal compendium of published soil respiration (RS) data. Soil respiration, the flux of autotrophically- and heterotrophically-generated CO2 from the soil to the atmosphere, remains the least well-constrained component of the terrestrial Carbon cycle. The database encompasses all published studies that report at least one of the following data measured in the field (not laboratory): annual RS, mean seasonal RS, a seasonal or...

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 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...

Registration Year

  • 2014
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Resource Types

  • Collection
    45

Data Centers

  • Oak Ridge National Laboratory Distributed Active Archive Center
    45