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近地表风沙流结构对过渡带不同下垫面的响应/Near-surface Sand Flux Structure Responses to Different Underlying Surface in Oasis-desert Ecotone[J]
王翠; 李生宇; 雷加强; 毛东雷; 周杰; WANG Cui; LI Sheng-yu; LEI Jia-qiang; MAO Dong-lei; ZHOU Jie; 中国科学院新疆生态与地理研究所,乌鲁木齐830011; 新疆交通科学研究院干旱荒漠区公路工程技术交通行业重点实验室,乌鲁木齐830000; 新疆策勒荒漠草地生态系统国家野外科学观测研究站,新疆策勒848300
2014
Source Publication水土保持学报
Volume28Issue:3Pages:52-56,71
Abstract在塔克拉玛干沙漠南缘策勒绿洲 沙漠过渡上选取流动沙地、半流动沙地和固定沙地3个典型下垫面,利用梯度集沙仪测定其近地表10 cm的风沙流结构.结果表明,流动沙地地表0~1 cm的沙粒百分含量随着风速的增大而减小;2~10 cm的沙通量随着风速的增大其百分含量增加,1~2 cm的沙通量存在一个稳定层,幂函数、指数函数和对数函数均能较好地反映其沙通量垂直分布特征,并可以利用风沙流结构来判定地表的蚀积状况;半固定和固定沙地地表由于受到植被盖度影响,其风沙流结构特征表现为近地表0~1 cm沙通量较流动沙地少,2~10 cm的沙通量百分含量较多,且每层沙通量与风速的相关性较差,稳定层在植被盖度的扰动下抬高或者消失,对数函数能较好地反映其风沙流结构特征,地表蚀积状况不可用现存风沙流结构地表蚀积公式来判定.
Keyword风沙流结构 稳定层 垂直分布函数 策勒绿洲-沙漠过渡带 Sand Flux Structure Stability Layer Vertical Distribution Function Cele Oasis-desert Ecotone
URL查看原文
Language中文
Document Type期刊论文
Identifierhttp://ir.xjlas.org/handle/365004/14225
Collection研究系统_荒漠环境研究室
Corresponding Author中国科学院新疆生态与地理研究所,乌鲁木齐830011; 新疆交通科学研究院干旱荒漠区公路工程技术交通行业重点实验室,乌鲁木齐830000; 新疆策勒荒漠草地生态系统国家野外科学观测研究站,新疆策勒848300
Recommended Citation
GB/T 7714
王翠,李生宇,雷加强,等. 近地表风沙流结构对过渡带不同下垫面的响应/Near-surface Sand Flux Structure Responses to Different Underlying Surface in Oasis-desert Ecotone[J][J]. 水土保持学报,2014,28(3):52-56,71.
APA 王翠.,李生宇.,雷加强.,毛东雷.,周杰.,...&新疆策勒荒漠草地生态系统国家野外科学观测研究站,新疆策勒848300.(2014).近地表风沙流结构对过渡带不同下垫面的响应/Near-surface Sand Flux Structure Responses to Different Underlying Surface in Oasis-desert Ecotone[J].水土保持学报,28(3),52-56,71.
MLA 王翠,et al."近地表风沙流结构对过渡带不同下垫面的响应/Near-surface Sand Flux Structure Responses to Different Underlying Surface in Oasis-desert Ecotone[J]".水土保持学报 28.3(2014):52-56,71.
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