|本期目录/Table of Contents|

[1]江红南.干旱区绿洲土壤湿度时空变化影响因素及其影响力分析[J].江苏农业科学,2018,46(20):286-291.
 Jiang Hongnan.Analysis of influence factors and their influences of temporal and spatial changes of soil moisture in oasis of arid areas[J].Jiangsu Agricultural Sciences,2018,46(20):286-291.
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干旱区绿洲土壤湿度时空变化影响因素
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第46卷
期数:
2018年第20期
页码:
286-291
栏目:
资源与环境
出版日期:
2018-10-20

文章信息/Info

Title:
Analysis of influence factors and their influences of temporal and spatial changes of soil moisture in oasis of arid areas
作者:
江红南12
1.新疆大学干旱生态环境研究所,新疆乌鲁木齐 830046; 2.武汉大学测绘遥感信息工程国家重点实验室,湖北武汉 430079
Author(s):
Jiang Hongnan
关键词:
土壤湿度时空变化影响因素干旱区绿洲统计分析
Keywords:
-
分类号:
S152.7
DOI:
-
文献标志码:
A
摘要:
为深刻理解干旱区土壤湿度时空变化机制,提高干旱区土壤湿度模型模拟的精度,以典型干旱区新疆于田县绿洲为研究区,利用相关分析和回归分析方法,研究不同季节和深度的土壤湿度时空变化的影响因素及其影响力。研究结果表明,对于研究区表层1 m深度土壤,地下水位和土壤蒸散发量是研究区土壤湿度时空变化的主要控制因素,不同季节的地下水位和土壤蒸散发量对不同深度土壤湿度空间变化的影响力和影响深度不同,春季和夏季都是地下水位显著大于土壤蒸散发量的影响力,土壤蒸散发量的影响深度在春季达到60~80 cm,在夏季达到100 cm。坡度和土壤温度对土壤湿度的空间变异有微弱的影响。在对土壤湿度时空变化具有显著影响的因素中,坡度和土壤温度对土壤湿度时空变化的影响呈线性关系,地下水位和土壤蒸散发量对土壤湿度时空变化的影响呈非线性关系,且地下水位的影响占主导地位。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2017-05-27
基金项目:新疆自然科学基金面上项目(编号:2013211A014)。
作者简介:江红南(1980—),男,山东郓城人,博士,讲师,主要从事遥感应用研究。E-mail:jiang_hn@126.com。
更新日期/Last Update: 2018-10-20