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SGP97 Surface: DOE ARM Energy Balance Bowen Ratio (EBBR) Data
The Southern Great Plains 1997 (SGP97) Hydrology Experiment originated from an interdisciplinary investigation, "Soil Moisture Mapping at Satellite Temporal and Spatial Scales" (PI: Thomas J. Jackson, USDA Agricultural Research Service, Beltsville, MD) selected under the NASA Research Announcement 95-MTPE-03. The temporal coverage for this dataset is as follows: Begin datetime: 1997-06-01 00:00:00, End datetime: 1997-07-31 23:59:59. The Department of Energy (DOE) Atmospheric Radiation Measurement (ARM) program operates a network of 12 Energy Balance Bowen Ration (EBBR) stations at its Southern Great Plains site. EBBR provides 30-min observations of latent and sensible heat flux along with net radiation, atmospheric pressure, bowen ratio, wind speed and direction, and the following parameters at five locations surrounding the sites: soil moisture, soil temperature, soil heat flow, soil heat capacity and soil heat flow at the surface. The Energy Balance Bowen Ratio (EBBR) system is a ground-based system using in situ sensors to estimate the vertical fluxes of sensible and latent heat at the local surface. EBBR systems will be installed at up to 15 grassland locations within the SGP CART Site. Flux estimates are made from observations of net radiation, soil heat flow, and the vertical gradients of temperature and relative humidity; these data are used in the Bowen ratio energy balance technique.
Resources in this dataset:
Resource Title: GeoData catalog record.
File Name: Web Page, url: https://geodata.nal.usda.gov/geonetwork/srv/eng/catalog.search#/metadata/SGP97armEBBR_JJM_2015-04-24_1531
Funding
Agricultural Research Service
National Science Foundation
History
Data contact name
Cook, DavidData contact email
drcook@anl.govPublisher
National Center for Atmospheric Research / Earth Observing LaboratoryIntended use
SGP97 is set in a subhumid environment during early summer. Within this setting, the objectives of SGP97 are (1) to establish that the retrieval algorithms for surface soil moisture developed at higher spatial resolution using truck- and aircraft-based sensors can be extended to the coarser resolutions expected from satellite platforms; (2) to verify spatial-temporal estimators of soil moisture and to examine the utility of pedotransfer function in hydrologic modeling; (3) to examine the feasibility of inferring soil moisture and temperature profiles using surface observations in conjunction with in situ measurements, and (4) to examine the effect of soil moisture on the evolution of the atmospheric boundary layer and clouds over the Southern Great Plains during the warm season.Use limitations
No additional quality control was performed by the University Corporation for Atmospheric Research/Joint Office for Science Support (JOSS).Temporal Extent Start Date
1997-06-01Temporal Extent End Date
1997-07-31Theme
- Not specified
Geographic Coverage
{"type":"FeatureCollection","features":[{"geometry":{"type":"Polygon","coordinates":[[[-101,40],[-95,40],[-95,34],[-101,34],[-101,40]]]},"type":"Feature","properties":{}}]}ISO Topic Category
- climatologyMeteorologyAtmosphere
- environment
- farming
Ag Data Commons Group
- Southern Plains
- Long-Term Agroecosystem Research
National Agricultural Library Thesaurus terms
soil water; satellites; Great Plains region; heat transfer; atmospheric pressure; wind speed; soil temperature; grasslands; relative humidity; summer; hydrologic models; temperature profiles; warm seasonOMB Bureau Code
- 005:18 - Agricultural Research Service
OMB Program Code
- 005:040 - National Research
Pending citation
- No
Public Access Level
- Public
