[1]刘文娟,安瑞平,连晋姣. 宁夏参考作物蒸散量的时空变化特征分析[J].西北林学院学报,2017,32(1):69-73.[doi:10.3969/j.issn.1001-7461.2017.01.11]
　LIU Wen-juan,AN Rui-ping,LIAN Jin-jiao. Temporal-spatial Characteristics of Reference Crop Evapotranspiration in Ningxia[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2017,32(1):69-73.[doi:10.3969/j.issn.1001-7461.2017.01.11]
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 宁夏参考作物蒸散量的时空变化特征分析()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第32卷
期数:
2017年第1期
页码:
69-73
栏目:
出版日期:
2017-01-31

文章信息/Info

Title:
 Temporal-spatial Characteristics of Reference Crop Evapotranspiration in Ningxia
文章编号:
1001-7461(2017)01-0069-05
作者:
 刘文娟1; 安瑞平1; 连晋姣2
 （1.宁夏大学 农学院，宁夏 银川 750021；2.中国科学院 亚热带农业生态研究所，亚热带农业生态过程重点实验室，湖南 长沙 410125）
Author(s):
 LIU Wen-juan1; AN Rui-ping1; LIAN Jin-jiao2
 (1.School of Agriculture，Ningxia University，Yinchuan,Ningxia 750021,China; 2.Key Laboratory of Agro-ecological Processes in Subtropical Region,Institute of Subtropical Agriculture,Chinese Academy of Sciences,Changsha,Hunan 410125,China)
关键词:
 ; 参考蒸散; GIS; 时空分布特征; Penman-Monteith公式
Keywords:
 ; reference crop evapotranspiration;  GIS;  spatiotemporal pattern;  Penman-Monteith equation
分类号:
S161.4
DOI:
10.3969/j.issn.1001-7461.2017.01.11
文献标志码:
A
摘要:
 为了确定合理的灌溉制度，保护生态环境,应用Penman-Monteith公式以宁夏2000-2012年的气象观测资料计算了参考作物蒸散量。在此基础上采用克里格(Kriging)插值方法，生成宁夏参考作物蒸散量分布图。结果表明，宁夏地区平均参考作物蒸散量的多年平均值为964.92 mm，ET0随时间呈显著下降趋势，下降幅度约为1.14 mm·a-1。年参考作物蒸散量的空间分布总趋势自北向南逐渐减小，北部引黄灌区最大1 136.40 mm·a-1，南部山区最小706.0 mm·a-1。年内季节变化为夏季＞春季＞秋季＞冬季；逐月变化呈单峰变化趋势，峰值出现在6 月，5-7月参考作物蒸散量均较大，占年值的43%，这与当地气候相吻合。
Abstract:
 In order to establish a reasonable crop irrigation system and to preserve eco-environment,reference crop evapotranspiration (ET0) in Ningxia was calculated by Penman-Monteith equation based on the meteorological data during 2000 to 2012.The distribution pattern of ET0.was charted by using the Kriging interpolation method.The multi-year average ET0 was 964.93 mm,it decreased significantly with an average of 1.14 mm·a-1.For the special distribution,the annual ET0 decreased from north to south generally:higher in north plain (1 136.40 mm·a-1) ,and lower in south mountainous region (706.02 mm·a-1).Seasonal ET0 was in the order of summer>spring>autumn>winter.Within a year,it was high from May to August and low from November to next February,while the highest value appeared in June,accounted for 43% of the total year,which was in accordance with the local climate.

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备注/Memo

备注/Memo:
 收稿日期：2016-05-26修回日期：2016-10-19
基金项目：国家自然科学基金（41501234）；宁夏大学科学研究基金项目（ZR1267）。
作者简介：刘文娟，女，博士研究生，研究方向：生态环境。E-mail:liuwenjuan1982@126.com
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