gov.ornl.daac.file:///ornldaac_868
eng; USA
utf8
dataset
ORNL DAAC User Services Office
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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
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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)
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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