gov.ornl.daac.file:///ornldaac_868 eng; USA utf8 dataset ORNL DAAC User Services Office +1(865)241-3952 +1(865)574-4665 pointOfContact 2010-03-03 ISO 19115-2 2009-02-15 Taxonomy System Taxonsys Documentation of taxonomic sources, procedures, and treatments. optional 1 MD_Identification New Metadata section as a class to MD_Identification The set of data elements contained within this class element represents an attempt to provide better documentation of taxonomic sources, procedures, and treatments. National Biological Information Infrastructure (NBII) BIGFOOT FIELD DATA FOR NORTH AMERICAN SITES, 1999-2003 MD_ORNLDAAC_868_03032010095920 GOWER, S.T. originator KIRSCHBAUM, A.A. originator The BigFoot project gathered field data for selected EOS Land Validation Sites in North America from 1999 to 2003. Data collected and derived for varying intervals at the BigFoot sites and archived with this data set include FPAR, nitrogen content, allometry equations, root biomass, LAI, tree biomass, soil respiration, NPP, landcover images, and vegetation inventories.Each site is representative of one or two distinct biomes, including the Arctic tundra; boreal evergreen needleleaf forest; temperate cropland, grassland, and deciduous broadleaf forest; desert grassland and shrubland. The project collected multi-year, in situ measurements of ecosystem structure and functional characteristics related to the terrestrial carbon cycle at the sites listed in Table 1. Companion files include documentation of measurement data, site and plot locations (Figure 2), and plot photographs for the SEVI and TUND sites (Figure 3).BigFoot Project Background: Reflectance data from MODIS, the Moderate Resolution Imaging Spectrometer onboard NASA's Earth Observing System (EOS) satellites Terra and Aqua ( http://landval.gsfc.nasa.gov/MODIS/index.php ), was used to produce several science products including land cover, leaf area index (LAI), gross primary production (GPP), and net primary production (NPP). The overall goal of the BigFoot Project was to provide validation of these products. To do this, BigFoot combined ground measurements, additional high-resolution remote-sensing data, and ecosystem process models at six flux tower sites representing different biomes to evaluate the effects of the spatial and temporal patterns of ecosystem characteristics on MODIS products. BigFoot characterized up to a 7 x 7 km area (49 1-km MODIS pixels) surrounding the CO2 flux towers located at six of the nine BigFoot sites. The sampling design allowed the Project to examine scales and spatial patterns of these properties, the inter-annual variability and validity of MODIS products, and provided for a field-based ecological characterization of the flux tower footprint. BigFoot was funded by NASA's Terrestrial Ecology Program. completed ORNL DAAC User Services Office +1(865)574-4665 pointOfContact unknown BIOMASS|WEIGHING BALANCE|FIELD INVESTIGATION CANOPY CHARACTERISTICS|LEAF AREA METER|FIELD INVESTIGATION PRIMARY PRODUCTION|QUADRAT SAMPLING FRAME|FIELD INVESTIGATION RESPIRATION|IR CO2 ANALYZER|FIELD INVESTIGATION BIOMASS FIELD INVESTIGATION WEIGHING BALANCE NPP LAI FPAR KONZ TUND NOBS AGRO HARV SEVI MODIS CANADA ALAKSA BARROW KANSAS BOREAS BIGFOOT ILLINOIS MANITOBA CROPLAND BONDVILLE LANDCOVER ALLOMETRY VEGETATION NEW MEXICO VALIDATION BOREAL FOREST MASSACHUSETTS ARCTIC TUNDRA KONZA PRAIRIE SEVILLETA LTER DESERT GRASSLAND TALLGRASS PRAIRIE HARVARD FOREST LTER TEMPERATE MIXED FOREST TEMPERATE NEEDLELEAF FOREST theme Parameter_Sensor_Source BIOMASS|WEIGHING BALANCE|FIELD INVESTIGATION CANOPY CHARACTERISTICS|LEAF AREA METER|FIELD INVESTIGATION PRIMARY PRODUCTION|QUADRAT SAMPLING FRAME|FIELD INVESTIGATION RESPIRATION|IR CO2 ANALYZER|FIELD INVESTIGATION BIOMASS FIELD INVESTIGATION WEIGHING BALANCE NPP LAI FPAR KONZ TUND NOBS AGRO HARV SEVI MODIS CANADA ALAKSA BARROW KANSAS BOREAS BIGFOOT ILLINOIS MANITOBA CROPLAND BONDVILLE LANDCOVER ALLOMETRY VEGETATION NEW MEXICO VALIDATION BOREAL FOREST MASSACHUSETTS ARCTIC TUNDRA KONZA PRAIRIE SEVILLETA LTER DESERT GRASSLAND TALLGRASS PRAIRIE HARVARD FOREST LTER TEMPERATE MIXED FOREST TEMPERATE NEEDLELEAF FOREST theme Parameter BIOMASS|WEIGHING BALANCE|FIELD INVESTIGATION CANOPY CHARACTERISTICS|LEAF AREA METER|FIELD INVESTIGATION PRIMARY PRODUCTION|QUADRAT SAMPLING FRAME|FIELD INVESTIGATION RESPIRATION|IR CO2 ANALYZER|FIELD INVESTIGATION BIOMASS FIELD INVESTIGATION WEIGHING BALANCE NPP LAI FPAR KONZ TUND NOBS AGRO HARV SEVI MODIS CANADA ALAKSA BARROW KANSAS BOREAS BIGFOOT ILLINOIS MANITOBA CROPLAND BONDVILLE LANDCOVER ALLOMETRY VEGETATION NEW MEXICO VALIDATION BOREAL FOREST MASSACHUSETTS ARCTIC TUNDRA KONZA PRAIRIE SEVILLETA LTER DESERT GRASSLAND TALLGRASS PRAIRIE HARVARD FOREST LTER TEMPERATE MIXED FOREST TEMPERATE NEEDLELEAF FOREST theme Source BIOMASS|WEIGHING BALANCE|FIELD INVESTIGATION CANOPY CHARACTERISTICS|LEAF AREA METER|FIELD INVESTIGATION PRIMARY PRODUCTION|QUADRAT SAMPLING FRAME|FIELD INVESTIGATION RESPIRATION|IR CO2 ANALYZER|FIELD INVESTIGATION BIOMASS FIELD INVESTIGATION WEIGHING BALANCE NPP LAI FPAR KONZ TUND NOBS AGRO HARV SEVI MODIS CANADA ALAKSA BARROW KANSAS BOREAS BIGFOOT ILLINOIS MANITOBA CROPLAND BONDVILLE LANDCOVER ALLOMETRY VEGETATION NEW MEXICO VALIDATION BOREAL FOREST MASSACHUSETTS ARCTIC TUNDRA KONZA PRAIRIE SEVILLETA LTER DESERT GRASSLAND TALLGRASS PRAIRIE HARVARD FOREST LTER TEMPERATE MIXED FOREST TEMPERATE NEEDLELEAF FOREST theme Sensor BIOMASS|WEIGHING BALANCE|FIELD INVESTIGATION CANOPY CHARACTERISTICS|LEAF AREA METER|FIELD INVESTIGATION PRIMARY PRODUCTION|QUADRAT SAMPLING FRAME|FIELD INVESTIGATION RESPIRATION|IR CO2 ANALYZER|FIELD INVESTIGATION BIOMASS FIELD INVESTIGATION WEIGHING BALANCE NPP LAI FPAR KONZ TUND NOBS AGRO HARV SEVI MODIS CANADA ALAKSA BARROW KANSAS BOREAS BIGFOOT ILLINOIS MANITOBA CROPLAND BONDVILLE LANDCOVER ALLOMETRY VEGETATION NEW MEXICO VALIDATION BOREAL FOREST MASSACHUSETTS ARCTIC TUNDRA KONZA PRAIRIE SEVILLETA LTER DESERT GRASSLAND TALLGRASS PRAIRIE HARVARD FOREST LTER TEMPERATE MIXED FOREST TEMPERATE NEEDLELEAF FOREST theme none AGRO - BONDVILLE, ILLINOIS, USA - CROPLA HARV - HARVARD FOREST LTER, MASSACHUSETT KONZ - KONZA PRAIRIE LTER, KANSAS, USA - NOBS - BOREAS NSA, CANADA - BOREAL FORES SEVI - SEVILLETA LTER, NEW MEXICO, USA - TUND - BARROW, ALASKA, USA - ARCTIC TUND place Place Keywords eng; USA -156.613 -72.25 34.32 71.2719 1999-01-01 2003-12-31 http://daac.ornl.gov//BIGFOOT_VAL/guides/BigFoot_Field_Data.html false ORNL DAAC User Services Office The Oak Ridge National Laboratory (ORNL) Distributed Active Archive Center (DAAC) +1(865)241-3952 +1(865)574-4665 ornldaac@ornl.gov distributor http://daac.ornl.gov/cgi-bin/dsviewer.pl?ds_id=868 ORNL DAAC User Services Office +1(865)241-3952 +1(865)574-4665 custodian