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Titolo:
Potential effects of climate change on agricultural, water use in the southeast US
Autore:
Hatch, U; Jagtap, S; Jones, J; Lamb, M;
Indirizzi:
Auburn Univ, Dept Agr Econ & Rural Sociol, Auburn, AL 36849 USA Auburn Univ Auburn AL USA 36849 Econ & Rural Sociol, Auburn, AL 36849 USA NASA, Global Hydrol & Climate Ctr, Huntsville, AL 35806 USA NASA Huntsville AL USA 35806 drol & Climate Ctr, Huntsville, AL 35806 USA Univ Florida, Dept Agr & Biol Engn, Gainesville, FL 32611 USA Univ Florida Gainesville FL USA 32611 iol Engn, Gainesville, FL 32611 USA USDA ARS, Natl Peanut Res Lab, Dawson, GA 31742 USA USDA ARS Dawson GA USA 31742 S, Natl Peanut Res Lab, Dawson, GA 31742 USA
Titolo Testata:
Journal of the american water resources association
fascicolo: 6, volume: 35, anno: 1999,
pagine: 1551 - 1561
SICI:
1093-474X(199912)35:6<1551:PEOCCO>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Keywords:
simulation modeling; crop response; agricultural economics and farm management; agricultural water use; irrigation; multidisciplinary;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
21
Recensione:
Indirizzi per estratti:
Indirizzo: Hatch, U Auburn Univ, Dept Agr Econ & Rural Sociol, Auburn, AL 36849 USA Auburn Univ Auburn AL USA 36849 ral Sociol, Auburn, AL 36849 USA
Citazione:
U. Hatch et al., "Potential effects of climate change on agricultural, water use in the southeast US", J AM WAT RE, 35(6), 1999, pp. 1551-1561

Abstract

Climate change has the potential to have dramatic effects on the agricultural sector nationally and internationally as documented in many research papers. This paper reports on research that was focused on a specific crop growing area to demonstrate how farm managers might respond to climate-induced yield changes and the implications of these responses for agricultural water use. The Hadley model was used to generate climate scenarios for important agricultural areas of Georgia in 2030 and 2090. Linked crop response models indicated generally positive yield changes, as increased temperatures were associated with increased precipitation and CO2. Using a farm management model, differences in climate-induced yield impacts among crops led to changes in crop mix and associated water use; non-irrigated cropland received greater benefit since irrigated land was already receiving adequate moisture. Model results suggest that farm managers will increase cropping intensity by decreasing fallowing and increasing double cropping; corn acreage decreased dramatically, peanuts decreased moderately and cotton and winter wheat increased. Water use on currently irrigated cropland fell. The potential for increased water use through conversion of agriculturally important. but currently non-irrigated, growing areas is substantial.

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Documento generato il 02/12/20 alle ore 05:31:20