Study Six Sites, Rebecca A. Efroymson, Mark J. Peterson, Neil R. Giffen, Michael G. Ryon, John G. Smith, ...
managing the Environmental Management Activities at the East Tennessee Technology Park Y-12 National Security Complex Oak Ridge National Laboratory under contracts DE-AC05-98OR22700 and...
Modeling of Habitat Pattern: (2008)
Threatened Calcareous Ecosystems, Linda K. Mann, Anthony W. King, Virginia H. Dale, William W. Hargrove, Robert Washington-allen, ...
Maps of potential habitat distribution are needed for regional population models of rare species, but reliable information from ground surveys is not always available. Existing data sources from...
Using Dendronal Signatures for Feature Extraction and Retrieval (2008)
Luojian Chen, Michael W. Berry, William W. Hargrove
ABSTRACT: A dendrone is a hierarchical thresholding structure that can be automatically generated from a complex image. The dendrone structure captures the connectedness of objects and subobjects...
Rebecca A. Efroymson, Tina M. Carlsen, Henriette I. Jager, Tanya Kostova, Eric A, William W. Hargrove, ...
ABSTRACT: Brine and petroleum spills may affect terrestrial vertebrates through loss of reproductive habitat or reduced food availability rather than direct toxicity....
Jasna V. Pittman, Elliot M. Weinstock, Robert J. Oglesby, David S. Sayres, Jessica B. Smith, James G. Anderson, ...
[1] We use in situ measurements of water vapor (H2O), ozone (O3), carbon dioxide (CO2), carbon monoxide (CO), nitric oxide (NO), and total reactive nitrogen (NOy) obtained during the CRYSTAL-FACE...
DOI 10.1007/s10109-006-0025-x ORIGINAL ARTICLE (2008)
William W. Hargrove, Æ Forrest, M. Hoffman, Æ Paul, F. Hessburg, W. W. Hargrove, ...
for comparing categorical maps
P. M. Papadopoulos, George R. Carr, Matthew J. Cordery, John B. Drake, Michael W. Ham, Forrest M. Hoffman, ...
(FaMOUS): A prototype interactive hypertext-based financial planning and reporting system. Technical
Forrest M. Hoffman, William W. Hargrove
A multivariate statistical clustering technique— based on the iterative k-means algorithm of Hartigan (Hartigan, 1975)—has been used to extract patterns of climatological significance from 200...
9.4 USING CLUSTERED CLIMATE REGIMES FOR UNDERSTANDING WATER CYCLE VARIABILITY (2008)
Forrest M. Hoffman, William W. Hargrove, Robert Oglesby
A multivariate statistical clustering technique— based on the iterative k-means algorithm of Hartigan (Hartigan, 1975)—has been used to extract patterns of climatological significance from 200...
A global framework for monitoring phenological responses to (2008)
Michael A. White, Forrest Hoffman, William W. Hargrove, Ramakrishna R. Nemani
climate change
P. M. Papadopoulos, George R. Carr, Matthew J. Cordery, John B. Drake, Michael W. Ham, Forrest M. Hoffman, ...
(FaMOUS): A prototype interactive hypertext-based financial planning and reporting system. Technical
J Geograph Syst (2006) DOI 10.1007/s10109-006-0025-x ORIGINAL ARTICLE (2008)
William W. Hargrove, Æ Forrest, M. Hoffman, Æ Paul, F. Hessburg, W. W. Hargrove, ...
Mapcurves: a quantitative method for comparing categorical maps Ó Springer-Verlag 2006 Abstract We present Mapcurves, a quantitative goodness-of-fit (GOF) method that unambiguously shows the degree...
Habitat Fragmentation Handbook for Installation Planners Status and Options (2006)
Robert C. Lozar, Charles Ehlschlaeger, James Westervelt, Harold Balbach, William W. Hargrove, Forrest M. Hoffman, ...
Under Work Unit #CNN-T602FF ABSTRACT: The primary objective of this work is to provide military installation planners with a sourcebook on the state of the art in how to analyze the probability and...
Prepared for U.S. Army Corps of Engineers (2005)
Robert C. Lozar, William Hargrove, Forrest Hoffman September, Robert C. Lozar, William W. Hargrove, Forrest M. Hoffman
Approved for public release; distribution is unlimited.
William W. Hargrove, Forrest M. Hoffman
ABSTRACT / Multivariate clustering based on fine spatial resolution maps of elevation, temperature, precipitation, soil characteristics, and solar inputs has been used at several specified levels of...
Forrest M. Hoffman, William W. Hargrove, Robert J. Oglesby
ABSTRACT: Changes in Earth’s climate in response to atmospheric greenhouse gas buildup impact the health of terrestrial ecosystems and the hydrologic cycle. The environmental conditions influential...
Research Article A practical map-analysis tool for detecting potential dispersal corridors* (2004)
William W. Hargrove, Forrest M. Hoffman, Rebecca A. Efroymson
We describe the Pathway Analysis Through Habitat (PATH) tool, which can predict the location of potential corridors of animal movement between patches of habitat within any map. The algorithm works...
Using Clustered Climate Regimes For (2003)
Understanding Water Cycle, Forrest M. Hoffman, William W. Hargrove, Robert Oglesby
spect to the N charac- Corresponding author address: Forrest M. Hoffman, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, TN 37831--6036 USA; e-mail: forrest@climate.ornl.gov Oak Ridge...
Multivariate Spatio-Temporal Clustering of Time-Series (2003)
Data An Approach, Forrest M. Hoffman, William W. Hargrove
ding author address: Forrest M. Hoffman, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, TN 37831--6036 USA; e-mail: forrest@climate.ornl.gov Oak Ridge National Laboratory, managed by...
LONGBOWBHELLFIRE MISSILE TEST AT (2001)
Framework (meraf) Apache, R. A. Efroymson, W. W. Hargrove, M. J. Peterson, D. S. Jones, W. H. Rose, ...
Reports produced after January 1, 1996, are generally available free via the U.S. Department of Energy (DOE) Information Bridge: Web site:
Mechanistic-based genetic algorithm search on a Beowulf cluster. Unpublished Manuscript (2000)
Jin-ping Gwo, Forrest M. Hoffman, William W. Hargrove, Key Words
A simple genetic algorithm (SGA) was implemented on a cluster of Linux PCs to search for the most likely fracture networks in a soil column. The objective is to evaluate the performance of SGAs in a...
Multivariate geographic clustering in a metacomputing environment using globus (1999)
G. Mahinthakumar, William W. Hargrove, Forrest M. Hoffman, Nicholas T. Karonis
The authors present a metacomputing application of multivariate, nonhierarchical statistical clustering to geographic environmental data from the 48 conterminous United States in order to produce...
Using Multivariate Clustering To Characterize Ecoregion Borders (1999)
William W. Hargrove, Forrest M. Hoffman
Ecologists have long used massive data sets as the basis for visualizing eco-region maps.1,2 Ecoregions are areas containing similar environmental conditions that are classified for particular...
Multivariate Geographic Clustering In A Metacomputing Environment Using Globus (1999)
G. Mahinthakumar, Forrest M. Hoffman, William W. Hargrove, Nicholas T. Karonis
The authors present a metacomputing application of multivariate, nonhierarchical statistical clustering to geographic environmental data from the 48 conterminous United States in order to produce...
Landscape Ecology vol. 6 no. 4 pp 251-258 (1992) (1992)
Spb Academic Publishing, William W. Hargrove, John Pickering
We question whether classical experimentation is adequate for real progress in landscape or regional ecology.