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...
Adventures in Vectorizing the Community Land Model (2008)
Forrest M. Hoffman, Mariana Vertenstein, Hideyuki Kitabata, Patrick Worley, John Drake, ...
Described here are the extensive efforts of the authors to modify the Community Land Model for vectorization on the Earth Simulator in Japan and the Cray X1 at Oak Ridge National Laboratory. This...
The Community Climate System Model (CCSM3) is (2008)
George R Carr, Ncar Matthew, J Cordery, John B Drake, Michael W Ham, Forrest M Hoffman, ...
ABSTRACT: The Community Climate System Model (CCSM3) is the primary model for global climate research in the United States and is supported on a variety of computer systems. We present some of our...
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...
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
VECTORIZING THE COMMUNITY LAND MODEL (2008)
Forrest M. Hoffman, Mariana Vertenstein, Hideyuki Kitabata
In this paper we describe our extensive efforts to rewrite the Community Land Model (CLM) so that it provides good vector performance on the Earth Simulator in Japan and the Cray X1 at Oak Ridge...
1 Professional Preparation (2008)
6016: Develops and implements serial and parallel scientific models used in environmental analyses and predictions. Develops supporting software tools for visualization, analysis, and publication of...
Kimberly D. Barnes, Deborah M. Flanagan, Nancy W. Grady, Judy A. Green, Forrest M. Hoffman, James A. Kohl, ...
It is critical in every government, research, and industrial organization that accurate and timely financial information be made available at all levels so that project and business decisions can be...
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...
W. Hargrove, Forrest M. Hoffman, E. Law
The AmeriFlux network of eddy flux covariance towers was established to quantify variation in carbon dioxide and water vapor exchange between terrestrial ecosystems and the atmos-
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...
A Fractal Landscape Realizer for Generating Synthetic Maps (2002)
Hargrove, William, Hoffman, Forrest M., Schwartz, Paul M.
"A fractal landscape realizer has been developed that generates synthetic landscape maps to user specifications. The alternative landscape realizations are not identical to the actual maps after...
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...