鄂尔多斯高原不同ET0计算方法的适用性比较——以鄂托克旗为例

doi:10.3969/j.issn.2096-1197.2019.01.19

Journal of Northern Agriculture ›› 2019, Vol. 47 ›› Issue (1): 114-119.doi: 10.3969/j.issn.2096-1197.2019.01.19

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Comparison of the applicability of ET0 determined with different calculation methods in the Ordos Plateau:Taking the Etuoke Banner as an example

GAO Lingzhi[1,2];LI Bin[2];SHI Haibin[1];ZHAO Ju[1];YIN Chunyan[1];QI Yinglong[1,2]

[1]College of Water Conservancy and Civil Engineering,Inner Mongolia Agricultural University,Hohhot 010018,China;[2]Institute of Resources and Environment and Testing Technology,Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences,Hohhot 010031,China

Received:2018-12-17 Online:2019-01-19 Published:2019-08-19

Abstract

Abstract: In order to find the suitable calculation methods for reference crop evapotranspiration(ET0)of the Ordos Plateau area and based on the daily meteorological data from January 1961 to December 2010 monitored by local weather stations,taking the FAO56Penman-Monteith method as the standard to compare with the FAO-79Penman method,Irmark-Allen method,Priestley-Taylor method,and Hargreaves-Samani method,the ET0 values were calculated respectively,and the adaptabilities of these four methods were evaluated by linear regression and variance analysis.The results showed that the calculation results by Irmark-Allen method and FAO-79Penman method were closer to those of the FAO56Penman-Monteith method in the Ordos Plateau area.Therefore,the ET0 value can be calculated using the FAO-79 Penman method in the Ordos Plateau area.If there are no humidity or wind speed data,the Irmark-Allen method can replace the FAO56 Penman-Monteith method to calculate the ET0 value.

Key words: Reference crop evapotranspiration(ET0);FAO56Penman-Monteith method;FAO-79Penman method;Irmark- Allen method;Priestley-Taylor method;Hargreaves-Samani method

CLC Number:

S161.4

GAO Lingzhi;LI Bin;SHI Haibin;ZHAO Ju;YIN Chunyan;QI Yinglong(College of Water Conservancy and Civil Engineering,Inner Mongolia Agricultural University,Hohhot 010018,China;Institute of Resources and Environment and Testing Technology,Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences,Hohhot 010031,China). Comparison of the applicability of ET0 determined with different calculation methods in the Ordos Plateau:Taking the Etuoke Banner as an example[J].Journal of Northern Agriculture, 2019, 47(1): 114-119.

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Comparison of the applicability of ET0 determined with different calculation methods in the Ordos Plateau:Taking the Etuoke Banner as an example

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