EVAPOTRANSPIRATION ESTIMATION USING CLIMATIC DATA, PLANT CHARACTERISTICS AND CROPWAT 8.0 SOFTWARE (CASE STUDY: STEPPIC REGION OF MARKAZIPROVINCE, ROODSHORE STATION)

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EHSANI A.; ARZANI H.; FARAHPOUR M.; AHMADI H.; JAFARI M.; AKBARZADEH M.

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Journal: IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH Year:2012 | Volume:19 | Issue:1 (46) Page(s): 1-16

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Title

EVAPOTRANSPIRATION ESTIMATION USING CLIMATIC DATA, PLANT CHARACTERISTICS AND CROPWAT 8.0 SOFTWARE (CASE STUDY: STEPPIC REGION OF MARKAZIPROVINCE, ROODSHORE STATION)

Author(s)

Keywords

EVAPOTRANSPIRATIONQ1

SOIL MOISTUREQ2

RANGELANDQ2

PENMAN-MATISQ2

CROPWAT 8.0Q2

STEPPEQ2

ROODSHORE RESEARCH STATIONQ2

Abstract

In this study, potential and actual EVAPOTRANSPIRATION were estimated by PENMAN-MATIS using climatic data of Saveh Station, and plant and soil characteristics were estimated by CROPWAT 8.0 software. Our result showed that potential EVAPOTRANSPIRATION in growing season was 6.16 times greater than the average of actual EVAPOTRANSPIRATION. Actual EVAPOTRANSPIRATION was 1.18 times greater than the average precipitation of growing season. It means that plant species have used the stored moisture for actual EVAPOTRANSPIRATION. According to the estimation of actual EVAPOTRANSPIRATION in a ten-year period, a model was provided for forage production as Ya=74.30+2.698 (ETact). Accordingly, average forage production of the studied site was estimated as 257 kg/hec. It could be said that actual EVAPOTRANSPIRATION as an index for climate yield is one of the fundamental factors in improving water use efficiency. Application of the mentioned climate index in different estimation models of long term forage production could be considered in order to determine the RANGELAND grazing capacity and developing RANGELAND insurance as a replacement for the usual methods of production.

Cites

ESTIMATION OF SUMMER EVAPOTRANSPIRATION OF SUGARCANE PLANT IN USING THE CLIMATOLOGIC DATA, KHUZESTAN PROVINCE

References

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APA: Copy

EHSANI, A., ARZANI, H., FARAHPOUR, M., AHMADI, H., JAFARI, M., & AKBARZADEH, M.. (2012). EVAPOTRANSPIRATION ESTIMATION USING CLIMATIC DATA, PLANT CHARACTERISTICS AND CROPWAT 8.0 SOFTWARE (CASE STUDY: STEPPIC REGION OF MARKAZIPROVINCE, ROODSHORE STATION). IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH, 19(1 (46)), 1-16. SID. https://sid.ir/paper/107371/en

Vancouver: Copy

EHSANI A., ARZANI H., FARAHPOUR M., AHMADI H., JAFARI M., AKBARZADEH M.. EVAPOTRANSPIRATION ESTIMATION USING CLIMATIC DATA, PLANT CHARACTERISTICS AND CROPWAT 8.0 SOFTWARE (CASE STUDY: STEPPIC REGION OF MARKAZIPROVINCE, ROODSHORE STATION). IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH[Internet]. 2012;19(1 (46)):1-16. Available from: https://sid.ir/paper/107371/en

IEEE: Copy

A. EHSANI, H. ARZANI, M. FARAHPOUR, H. AHMADI, M. JAFARI, and M. AKBARZADEH, “EVAPOTRANSPIRATION ESTIMATION USING CLIMATIC DATA, PLANT CHARACTERISTICS AND CROPWAT 8.0 SOFTWARE (CASE STUDY: STEPPIC REGION OF MARKAZIPROVINCE, ROODSHORE STATION),” IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH, vol. 19, no. 1 (46), pp. 1–16, 2012, [Online]. Available: https://sid.ir/paper/107371/en

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