Preparing the erosion productivity impact calculator (EPIC) model to simulate crop response to climate change and the direct effects of CO2

William E. Easterling, Norman J. Rosenberg, Mary McKenney Easterling, C. Allan Jones, Paul T. Dyke, J. R. Williams

Research output: Contribution to journalArticle

70 Citations (Scopus)

Abstract

The adaptation of a crop simulation model to deal with the impacts of rising CO2 and climate change is described in this paper. Algorithms that represent the direct effects of atmospheric CO2 on crop photosynthetic efficiency and water use were developed for use with the erosion productivity impact calculator (EPIC), a mechanistic crop simulation model. Representative farms were designed to reflect the major cropping systems in the MINK (Missouri-Iowa-Nebraska-Kansas) region and data were assembled to simulate them in EPIC. Climate data were compiled to represent conditions under the control (1951-1980) and analog (1931-1940) climates. Actual daily temperature and precipitation data from a number of climatological stations across the MINK region were used in the simulations. Daily values of solar radiation, relative humidity, and wind speed were simulated stochastically from monthly First Order Weather Station records.

Original languageEnglish (US)
Pages (from-to)17-34
Number of pages18
JournalAgricultural and Forest Meteorology
Volume59
Issue number1-2
DOIs
StatePublished - Apr 15 1992

Fingerprint

Erosion Productivity Impact Calculator
crop models
simulation models
climate change
climate
erosion
productivity
Daily Values
crop
weather stations
crops
wind speed
simulation
cropping systems
relative humidity
solar radiation
weather station
farms
water use
cropping practice

All Science Journal Classification (ASJC) codes

  • Forestry
  • Global and Planetary Change
  • Agronomy and Crop Science
  • Atmospheric Science

Cite this

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abstract = "The adaptation of a crop simulation model to deal with the impacts of rising CO2 and climate change is described in this paper. Algorithms that represent the direct effects of atmospheric CO2 on crop photosynthetic efficiency and water use were developed for use with the erosion productivity impact calculator (EPIC), a mechanistic crop simulation model. Representative farms were designed to reflect the major cropping systems in the MINK (Missouri-Iowa-Nebraska-Kansas) region and data were assembled to simulate them in EPIC. Climate data were compiled to represent conditions under the control (1951-1980) and analog (1931-1940) climates. Actual daily temperature and precipitation data from a number of climatological stations across the MINK region were used in the simulations. Daily values of solar radiation, relative humidity, and wind speed were simulated stochastically from monthly First Order Weather Station records.",
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Preparing the erosion productivity impact calculator (EPIC) model to simulate crop response to climate change and the direct effects of CO2 . / Easterling, William E.; Rosenberg, Norman J.; Easterling, Mary McKenney; Allan Jones, C.; Dyke, Paul T.; Williams, J. R.

In: Agricultural and Forest Meteorology, Vol. 59, No. 1-2, 15.04.1992, p. 17-34.

Research output: Contribution to journalArticle

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