Gerald Whittaker
Gerald Whittaker
USDA
Verifierad e-postadress på onid.orst.edu
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R Färe, S Grosskopf, G Whittaker
Modeling data irregularities and structural complexities in data envelopment …, 2007
10182007
Evidence of capitalization of direct government payments into US cropland values
CH Barnard, G Whittaker, D Westenbarger, M Ahearn
American journal of agricultural economics 79 (5), 1642-1650, 1997
1911997
An intermediate input model of dairy production using complex survey data
R Färe, G Whittaker
Journal of Agricultural Economics 46 (2), 201-213, 1995
1611995
Optimization-based trade-off analysis of biodiesel crop production for managing an agricultural catchment
S Lautenbach, M Volk, M Strauch, G Whittaker, R Seppelt
Environmental Modelling & Software 48, 98-112, 2013
1052013
Automatic Calibration of Hydrologic Models With Multi‐Objective Evolutionary Algorithm and Pareto Optimization1
RB Confesor Jr, GW Whittaker
JAWRA Journal of the American Water Resources Association 43 (4), 981-989, 2007
1022007
A hybrid genetic algorithm for multiobjective problems with activity analysis-based local search
G Whittaker, R Confesor Jr, SM Griffith, R Färe, S Grosskopf, JJ Steiner, ...
European Journal of Operational Research 193 (1), 195-203, 2009
912009
Directional output distance functions: endogenous directions based on exogenous normalization constraints
R Färe, S Grosskopf, G Whittaker
Journal of Productivity Analysis 40 (3), 267-269, 2013
862013
Detection of overparameterization and overfitting in an automatic calibration of SWAT
G Whittaker, R Confesor, M Di Luzio, JG Arnold
Transactions of the ASABE 53 (5), 1487-1499, 2010
562010
Fatty acid methyl ester analysis to identify sources of soil in surface water
GM Banowetz, GW Whittaker, KP Dierksen, MD Azevedo, AC Kennedy, ...
Journal of environmental quality 35 (1), 133-140, 2006
512006
Conservation practices in western Oregon perennial grass seed systems: I. Impacts of direct seeding and maximal residue management on production
JJ Steiner, SM Griffith, GW Mueller‐Warrant, GW Whittaker, GM Banowetz, ...
Agronomy Journal 98 (1), 177-186, 2006
43*2006
Impact of land use patterns and agricultural practices on water quality in the Calapooia River Basin of western Oregon
GW Mueller-Warrant, SM Griffith, GW Whittaker, GM Banowetz, ...
Journal of Soil and Water Conservation 67 (3), 183-201, 2012
362012
Spatial targeting of agri-environmental policy using bilevel evolutionary optimization
G Whittaker, R Färe, S Grosskopf, B Barnhart, M Bostian, ...
Omega 66, 15-27, 2017
342017
Climate change and stream temperature projections in the Columbia River basin: habitat implications of spatial variation in hydrologic drivers
DL Ficklin, BL Barnhart, JH Knouft, IT Stewart-Frey, EP Maurer, ...
European Geosciences Union, 2014
342014
Restricting pesticide use: the impact on profitability by farm size
GW Whittaker, BH Lin, U Vasavada
Journal of Agricultural and Applied Economics 27 (1379-2016-113239), 352-362, 1995
321995
Spatial evaluation of alternative nonpoint nutrient regulatory instruments
G Whittaker, R Färe, R Srinivasan, DW Scott
Water Resources Research 39 (4), 2003
312003
High resolution characterization of soil biological communities by nucleic acid and fatty acid analyses
KP Dierksen, GW Whittaker, GM Banowetz, MD Azevedo, AC Kennedy, ...
Soil Biology and Biochemistry 34 (12), 1853-1860, 2002
302002
GIS analysis of spatial clustering and temporal change in weeds of grass seed crops
GW Mueller-Warrant, GW Whittaker, WC Young
Weed Science 56 (5), 647-669, 2008
282008
Application of SWAT in the evaluation of salmon habitat remediation policy
G Whittaker
Hydrological Processes: An International Journal 19 (3), 839-848, 2005
272005
Valuing water quality tradeoffs at different spatial scales: An integrated approach using bilevel optimization
M Bostian, G Whittaker, B Barnhart, R Färe, S Grosskopf
Water Resources and Economics 11, 1-12, 2015
252015
Multivariate Applications of the ASH in Regression
DW Scott, G Whittaker
Communications in Statistics--Theory and Methods 25 (11), 2521-2530, 1996
231996
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Artiklar 1–20