排灌机械工程学报
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排灌机械工程学报  2018, Vol. 36 Issue (11): 1071-1075    DOI: 10.3969/j.issn.1674-8530.18.1139
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内蒙古自治区参考作物腾发量的时空变化
佟长福1*, 李和平1, 胡翠艳2, 张娜3, 白利芳2, 白儒军4, 李小利4
1.中国水利水电科学研究院流域水循环模拟与调控国家重点实验室, 北京 100044; 2.鄂托克水务和水土保持局, 内蒙古 鄂尔多斯 016100; 3.宁夏回族自治区水利科学研究院, 宁夏 银川 750021; 4.乌审旗水务和水土保持局, 内蒙古 鄂尔多斯 017300
Temporal and spatial variation of reference crop evapotranspiration in Inner Mongolia
TONG Changfu1*, LI Heping1, HU Cuiyan2, ZHANG Na3, BAI Lifang2, BAI Rujun4, LI Xiaoli4
1.State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research, Beijing 100044, China; 2.Water Conservancy and Water and Soil Conservation Bureau of Etuoke Banner, Erdos, Inner Mongolia 016100, China; 3.Ningxia Institute of Water Resources Research, Yinchuan, Ningxia 750021, China; 4.Water Conservancy and Water and Soil Conservation Bureau of Wushen Banner, Erdos, Inner Mongolia 017300, China
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摘要 为了深入认识内蒙古参考作物腾发量ET0的变化特征,采用联合国粮农组织1998年推荐的 Penman-Monteith公式计算内蒙古50个气象站点32 a(1981—2012年)的逐月参考作物腾发量ET0,通过联合国防治荒漠化公约提出的全球干旱指数UNEP进行气候分区,利用空间插值和8 a滑动平均法对内蒙古各气候区ET0时空变化特征进行分析.结果表明:特干旱气候区、干旱气候区、半干旱气候区、干旱半湿润气候区、湿润半湿润气候区的ET0波动区间分别为1 401~1 573,1 145~1 269,900~1 013,710~857和571~735 mm,波动幅度均在200 mm以内,且其ET0逐渐减小,即越湿润的气候区,年累计ET0越小.根据ET0最大、最小值出现的年份可知其表现出了很强的随机性.
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佟长福*
李和平
胡翠艳
张娜
白利芳
白儒军
李小利
关键词参考作物腾发量   气候分区   变化趋势   内蒙古     
Abstract: In order to have a thorough understanding of the variation characteristics of reference crop evapotranspiration(ET0)in Inner Mongolia, the Penman-Monteith method recommended by the United Nations Food and Agriculture Organization in 1998, was used to estimate the monthly ET0 at 50 meteorological stations in Inner Mongolia in 1981—2012. Also, the global drought index(UNEP)proposed by the United Nations Convention on Combating Desertification was applied to carry out the climate partitions, and the spatiotemporal variation of ET0 in different climatic zones was analyzed by using spatial interpolation and sliding average method in eight years. Results showed that ET0 variation ranges were 1 401-1 573 mm, 1 145-1 269 mm, 900-1 013 mm, 710-857 mm and 571-735 mm in special arid, arid, semi-arid, arid and humid, moist sub-humid climate zones, respectively, with a less than 200 mm fluctuation amplitude. Additionally, the ET0 value was gradually reduced, i.e. the more humid the climate zone, the smaller the cumulative annual ET0. Based on the dates when the highest and lowest ET0 have occurred, ET0 shows strong randomness.
Key wordsreference crop evapotranspiration   climate zoning   change trend   Inner Mongolia   
收稿日期: 2018-05-02;
基金资助:

国家重点研发计划项目(2017YFC040320504);中国水利水电科学研究院流域水循环模拟与调控国家重点实验室专项(SKL2018ZY01);中国水科院科研专项(MK2014J06,MK2016J18,MK2018J05)

引用本文:   
佟长福*,李和平,胡翠艳等. 内蒙古自治区参考作物腾发量的时空变化[J]. 排灌机械工程学报, 2018, 36(11): 1071-1075.
TONG Chang-Fu-*,LI He-Ping-,HU Cui-Yan- et al. Temporal and spatial variation of reference crop evapotranspiration in Inner Mongolia[J]. Journal of Drainage and Irrigation Machinery Engin, 2018, 36(11): 1071-1075.
 
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