| 毛乌素沙漠地膜|地布覆盖下土壤温度变化特征 |
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| 引用本文： | 任涛,贾志峰,王智,卢玉东,刘秀花,钟哲. 毛乌素沙漠地膜|地布覆盖下土壤温度变化特征[J]. 干旱地区农业研究, 2020, 38(1): 190-199 |
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| 作者姓名： | 任涛 贾志峰 王智 卢玉东 刘秀花 钟哲 |
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| 作者单位： | School of Water and Environment, Chang’an University, Xi’an, Shaanxi 710054, China; Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region, Ministry of Education, Chang’an University, Xi’an, Shaanxi 710054, China;School of Water and Environment, Chang’an University, Xi’an, Shaanxi 710054, China; Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region, Ministry of Education, Chang’an University, Xi’an, Shaanxi 710054, China; Institute of Water and Development, Chang’an University, Xi’an, Shaanxi 710054, China;School of Water and Environment, Chang’an University, Xi’an, Shaanxi 710054, China; Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region, Ministry of Education, Chang’an University, Xi’an, Shaanxi 710054, China; Institute of Water and Development, Chang’an University, Xi’an, Shaanxi 710054, China; College of Water Resources and Architectural Engineering, Northwest A&F University, Yangling, Shaanxi 712100， China; Department of Earth and Environmental Sciences, California State University, Fresno, California 93740, USA |
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| 基金项目： | 高等学校学科创新计划“111”项目(B08039) |
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| 摘 要： | 为了研究地膜+地布相结合的覆盖方式对毛乌素沙漠地区土壤温度的影响,在毛乌素沙漠东缘风沙滩区选取试验点,设置地膜+防草地布覆盖(MB)、防草地布覆盖(DB)以及裸地(CK)3个处理方式,开展为期1 a的浅层土壤温度原位监测试验,对比不同覆盖对温度变化规律的影响。结果表明:MB覆盖区地表下5、15、30 cm土层土壤的年均温度比DB覆盖区分别高出0.5℃、0.6℃和0.4℃,比CK分别高出1.0℃、0.8℃和1.0℃;冻融期在同一土层深度处均表现为CK最长、DB次之、MB最短;同一土层深度处3个处理的土壤温度之间存在显著性差异(P0.05),以MB覆盖条件下土壤保温效果最好,CK最差;MB覆盖区在5、15、30 cm土层土壤深度处≥5℃地积温比DB覆盖区分别高4.0%、4.0%和3.0%,比CK分别高8.0%、7.0%和9.0%;降雨前、中、后,同一土层深度处土壤温度日较差以MB覆盖区最大,DB覆盖区次之,CK最小;近地表大气温度与土壤温度呈正相关,同一土层深度处,覆盖条件下其相关性较大,裸地较小。试验表明地膜+地布覆盖处理保温效果明显,适合植物生长。
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| 关 键 词： | 地膜+地布覆盖 土壤温度 毛乌素沙漠 |
Characteristics of soil temperature change under plastic membrane|geotextile cloth mulching in Mu Us Desert land |
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| REN Tao,JIA Zhifeng,WANG Zhi,LU Yudong,LIU Xiuhu,ZHONG Zhe. Characteristics of soil temperature change under plastic membrane|geotextile cloth mulching in Mu Us Desert land[J]. Agricultural Research in the Arid Areas, 2020, 38(1): 190-199 |
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| Authors: | REN Tao JIA Zhifeng WANG Zhi LU Yudong LIU Xiuhu ZHONG Zhe |
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| Abstract: | |
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| Keywords: | plastic membrane + geotextile ground cover soil temperature change Mu Us desert |
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