排灌机械工程学报
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排灌机械工程学报  2019, Vol. 37 Issue (8): 710-717    DOI: 10.3969/j.issn.1674-8530.18.0256
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中国西北地区日参考作物腾发量模型适用性评价
余婷1,崔宁博1,2*,张青雯1,胡笑涛3
1. 四川大学水力学与山区河流开发保护国家重点实验室, 四川 成都 610065; 2. 南方丘区节水农业研究四川省重点实验室, 四川 成都 610066; 3. 西北农林科技大学旱区农业水土工程教育部重点实验室, 陕西 杨凌 712100
Applicability evaluation of daily reference crop evapotranspiration models in Northwest China
YU Ting1, CUI Ningbo1,2*, ZHANG Qingwen1, HU Xiaotao3
1. State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, Sichuan 610065, China; 2. Provincial Key Laboratory of Water-Saving Agriculture in Hill Area of Southern China, Chengdu, Sichuan 610066, China; 3. Institute of Water-Saving Agriculture in Arid Areas of China, Northwest A&F University, Yangling, Shaanxi 712100, China
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摘要 为推荐适宜中国西北地区参考作物腾发量(ET0)简化计算模型,应用9个代表性站点近50 a逐日气象资料,以FAO-56 Penman-Monteith(PM)模型计算的ET0为标准值,选取5种基于综合法的Kimberly Penman(K-P),FAO 1979 Penman(PM 17),FAO 24 Penman(PM 24),FAO 1948 Penman(PM 48),FAO 79 Penman(PM 79)模型,3种基于温度法的Hargreaves-Samani(H-S),Mc Cloud(M-C),Hargreaves(Har)模型,5种基于辐射法的Priestley-Taylor-1(PT-1),Priestley-Taylor-2(PT-2),FAO-24 Radiation(FAO Ra),Makkink(Mak),Irmark-Allen(I-A),Irmark(Irm)模型,对其在西北地区ET0进行适用性评价.结果表明:14种模型在中国西北地区计算精度差异明显.全区模拟精度最高的PM 48(综合法),H-S(温度法),PT-1(辐射法)模型的平均R2,MAE,RMSE和nRMSE分别为0.978,0.767 3 mm/d,0.842 3 mm/d和25.622%;0.735,0.920 0 mm/d,1.187 0 mm/d和36.556%;0.736,1.392 0 mm/d,1.826 0 mm/d和57.992%.
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余婷
崔宁博
*
张青雯
胡笑涛
关键词参考作物腾发量   模型适用性评价   精度评价   中国西北地区     
Abstract: In order to recommend a simplified calculation model suitable for the reference crop evapotranspiration(ET0)in Northwest China, the weather data of nearly 50 a per day for 9 representative stations were applied, and the ET0 calculated by the FAO-56 Penman-Monteith(PM)model was used as the standard value. Based on the comprehensive method of Kimberly Penman(KP), FAO 1979 Penman(PM 17), FAO 24 Penman(PM 24), FAO 1948 Penman(PM 48), FAO 79 Penman(PM 79)models, three temperature-based methods Hargreaves-Samani(HS), Mc Cloud(MC), Hargreaves(Har)model, 5 Priestley-Taylor-1(PT-1)based on radiation method, Priestley-Taylor-2(PT-2), FAO-24 Radiation(FAO Ra), Makkink(Mak), Irmark-Allen(IA), and Irmark(Irm)models were evaluated for applicability in the northwest region ET0. The results show that the calculation accuracy of 14 models in Northwest China is obvious. The average R2, MAE, RMSE and nRMSE of the PM 48(comprehensive method), HS(temperature method)and PT-1(radiation method)models with the highest simulation accuracy in the whole region are 0.978, 0.767 3 mm/d, 0.842 3 mm/d and 25.622%, 0.735, 0.920 mm/d, 1.187 mm/d and 36.556%, 0.736, 1.392 mm/d, 1.826 mm/d and 57.992%, respectively.
Key wordsreference crop evapotranspiration   model applicability evaluation   accuracy evaluation   Northwest China   
收稿日期: 2018-12-04;
基金资助:“十三五”国家重点研发计划课题(2016YFC0400206);国家自然科学基金资助项目(51779161);“十二五”国家科技支撑计划课题(2015BAD24B01);中央高校基本科研业务费专项资金资助项目(2018CDPZH-10,2016CDDY-S04-SCU,2017CDLZ-N22)
引用本文:   
余婷,崔宁博,*等. 中国西北地区日参考作物腾发量模型适用性评价[J]. 排灌机械工程学报, 2019, 37(8): 710-717.
YU Ting-,CUI Ning-Bo-,* et al. Applicability evaluation of daily reference crop evapotranspiration models in Northwest China[J]. Journal of Drainage and Irrigation Machinery Engin, 2019, 37(8): 710-717.
 
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