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Subjects spatial data Remove constraint spatial data: spatial data
Displaying items 1 - 10 of 330 start over

1. A 3-year pilot study of sentinel dairy herds for vesicular stomatitis in El Salvador

Description:
Includes references
Author:
McCluskey, Brian J. , Salman, Mo D. , Martinez, Guillermo E. , Serrano, Adonias O. , Shaw, John L. , Herrerro, Marco V.
Subject:
vesicular stomatitis , sentinel animals , dairy herds , herd health , spatial data , heifers , enzyme-linked immunosorbent assay , serotypes , disease outbreaks , rodents , Vesicular stomatitis New Jersey virus , Vesicular stomatitis Indiana virus , disease prevalence , cattle diseases , El Salvador
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2003

2. A Bayesian approach to multi-source forest area estimation

Description:
Includes references
Author:
Finley, Andrew O. , Banerjee, Sudipto , McRoberts, Ronald E.
Subject:
forest inventory , forests , vegetation cover , land use , Landsat , image analysis , remote sensing , statistical models , prediction , data analysis , spatial data
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008

3. A Bottom-up Approach to Vegetation Mapping of the Lake Tahoe Basin Using Hyperspatial Image Analysis

Description:
Includes references
Author:
Greenberg, Jonathan A. , Dobrowski, Solomon Z. , Ramirez, Carlos M. , Tuil, Jahalel L. , Ustin, Susan L.
Subject:
lakes , vegetation types , thematic maps , hyperspectral imagery , digital images , spatial data , image analysis , vegetation cover , Lake Tahoe Basin Management Area
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2006

4. A comparison of plotless density estimators using Monte Carlo simulation on totally enumerated field data sets

Description:
Includes references
Author:
White, Neil A. , Engeman, Richard M. , Sugihara, Robert T. , Krupa, Heather W.
Subject:
field experimentation , spatial data , equations
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008

5. A generalizable method for remote sensing of canopy nitrogen across a wide range of forest ecosystems

Description:
Includes references
Author:
Martin, M.E. , Plourde, L.C. , Ollinger, S.V. , Smith, M.L. , McNeil, B.E.
Subject:
forest canopy , hyperspectral imagery , remote sensing , leaves , nitrogen , image analysis , algorithms , spatial data , detection , geographical distribution , data analysis , calibration , forest ecosystems , latitude , gas emissions
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008

6. A GIS framework for surface-layer soil moisture estimation combining satellite radar measurements and land surface modeling with soil physical property estimation

Description:
Includes references
Author:
Tischler, M. , Garcia, M. , Peters-Lidard, C. , Moran, M.S. , Miller, S. , Thoma, D. , Kumar, S. , Geiger, J.
Subject:
soil water content , soil water , estimation , remote sensing , soil texture , porosity , saturated hydraulic conductivity , vegetation cover , spatial data , image analysis , environmental models , computer analysis , watersheds , geographic information systems
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2007

7. A Landscape Approach for Ecologically Based Management of Great Basin Shrublands

Description:
Includes references
Author:
Wisdom, Michael J. , Chambers, Jeanne C.
Subject:
shrublands , landscape ecology , ecosystem management , plant communities , Artemisia , grass weeds , invasive species , semiarid zones , arid zones , Bromus tectorum , pinyon-juniper , woodlands , ecological invasion , wildlife habitats , Centrocercus urophasianus , habitat destruction , risk assessment , spatial data , Nevada , Utah
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2009

8. A method for locating potential tree-planting sites in urban areas: a case study of Los Angeles, USA

Description:
Includes references
Author:
Wu, C. , Xiao, Q. , McPherson, E.G.
Subject:
urban forestry , spatial data , trees , spatial distribution , urban areas , geographic information systems , case studies , canopy , vegetation cover , remote sensing , spectral analysis , multispectral imagery , planting , California
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008

9. A method for using WEPS to map wind erosion risk of Alberta soils

Description:
Includes references
Author:
Coen, G.M. , Tatarko, J. , Martin, T.C. , Cannon, K.R. , Goddard, T.W. , Sweetland, N.J.
Subject:
wind erosion , risk assessment , prediction , models , agricultural soils , agricultural land , spatial data , weather , crop management , computer analysis , simulation models , accuracy , databases , computer software , Alberta
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

10. A model-assisted k-nearest neighbour approach to remove extrapolation bias

Description:
Includes references
Author:
Magnussen, Steen , Tomppo, Erkki , McRoberts, Ronald E.
Subject:
forest inventory , statistical models , calibration , prediction , forest stands , volume , forest trees , spatial distribution , spatial data , tree and stand measurements , equations
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2010