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~(137)Cs示踪法研究湟水上游和布哈河下游区域土壤侵蚀强度
陶炳德; 沙占江; 郭丽霞; 拉本; 肖景义
2013-11-15
Source Publication干旱区地理
Issue06Pages:997-1005
Abstract通过137Cs示踪技术,并采用土壤剖面核素单位面积浓度与背景值之间的理论模型,对布哈河下游和青海湖东北岸湟水上游区域的土壤侵蚀进行了研究,结果表明:137Cs面积活度与植被盖度之间存在着正相关关系,两区域相关系数为0.93。湟水上游河谷土壤侵蚀模数在87.62~1 458.41t·km-2·a-1之间,采样点平均土壤侵蚀模数为933.31 t·km-2·a-1。布哈河下游区域土壤侵蚀模数在431.03~2 072.39 t·km-2·a-1之间,采样点平均土壤侵蚀模数为1 256.97 t·km-2·a-1。布哈河下游区域较湟水上游区域侵蚀严重,在较长的时期内两地大部分区域均处于轻度侵蚀阶段,...
Keyword137cs示踪技术 土壤侵蚀 布哈河下游 湟水上游
Language中文
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/2678
Collection青海盐湖研究所知识仓储
Recommended Citation
GB/T 7714
陶炳德,沙占江,郭丽霞,等. ~(137)Cs示踪法研究湟水上游和布哈河下游区域土壤侵蚀强度[J]. 干旱区地理,2013(06):997-1005.
APA 陶炳德,沙占江,郭丽霞,拉本,&肖景义.(2013).~(137)Cs示踪法研究湟水上游和布哈河下游区域土壤侵蚀强度.干旱区地理(06),997-1005.
MLA 陶炳德,et al."~(137)Cs示踪法研究湟水上游和布哈河下游区域土壤侵蚀强度".干旱区地理 .06(2013):997-1005.
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