IMHE OpenIR  > 山地表生过程与生态调控重点实验室
三峡库区菱角塘小流域土壤侵蚀量和泥沙输移比研究
Alternative TitleSediment delivery ratio and soil erosion quantity on Lingjiaopond small watershed in the Three Gorges Reservoir Region
俱战省1; 严冬春2; 文安邦2; 张加兵3
2018
Source Publication泥沙研究
ISSN0468-155X
Volume43Issue:2Pages:67-72
SubtypeArticle
Contribution Rank2
Abstract

泥沙输移比对正确评价水土保持减沙效益具有重要意义。以三峡库区菱角塘小流域为研究对象,在应用~(137)Cs示踪技术测定塘库和谷地泥沙沉积量的基础上,计算了小流域1963 - 2013年土壤侵蚀量和泥沙输移比,并讨论了采用不同侵蚀量算法计算的小流域泥沙输移比差异特征。结果表明:菱角塘小流域塘库和谷地水稻田泥沙沉积量分别为1 835.75 t和3 781.80 t;基于本文的测定法、常用的插值法和模型法计算的小流域土壤侵蚀量分别为5 821.52 t、7 240.50 t和10 504.25 t;不同侵蚀量算法计算的菱角塘小流域泥沙输移比差异明显。应用本文提出的~(137)Cs测定塘库和谷地泥沙沉积量的测定法,计算的库区小流域土壤侵蚀量和泥沙输移比相对合理可靠,具有一定的参考价值。

Other Abstract

Sediment delivery ratio is critical in evaluating sediment yield reduction caused by soil and water conservation. The Lingjiao Pond small watershed in the central area of the Three Gorges Reservoir was investigated. Soil erosion amount and SDR were calculated on the basis of pond and paddy fields deposition determined by ~(137)Cs tracing technique for 1963 - 2013 years. Difference characteristics were proposed for SDR with three types of soil erosion amount estimation. Results showed that deposition amounts in pond and paddy fields in the study area was 1,835.75t and 3,781.80t,respectively. Soil erosion amount estimated by determination, interpolation as well as model method was 5,821.52 t,7,240.50 t and 10,504.25 t,respectively. SDR for 1963 - 2013 years in the small watershed differed apparently when different soil erosion amount estimation was utilized. Results of soil erosion amount and SDR were reliable with application of the determination method ( valley and pond sedimentation amount determined by ~(137)Cs technique) proposed in this study.

Keyword泥沙输移比 小流域 137cs 泥沙平衡 土壤侵蚀量
DOI10.16239/j.cnki.0468-155x.2018.02.011
Indexed ByCSCD
Language中文
CSCD IDCSCD:6223929
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/23331
Collection山地表生过程与生态调控重点实验室
科技与合作处
Corresponding Author严冬春
Affiliation1.宝鸡文理学院地理与环境学院陕西省灾害监测与机理模拟重点实验室;
2.中国科学院水利部成都山地灾害与环境研究所山地表生过程与生态调控重点实验室;
3.万源市水土保持局
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
俱战省,严冬春,文安邦,等. 三峡库区菱角塘小流域土壤侵蚀量和泥沙输移比研究[J]. 泥沙研究,2018,43(2):67-72.
APA 俱战省,严冬春,文安邦,&张加兵.(2018).三峡库区菱角塘小流域土壤侵蚀量和泥沙输移比研究.泥沙研究,43(2),67-72.
MLA 俱战省,et al."三峡库区菱角塘小流域土壤侵蚀量和泥沙输移比研究".泥沙研究 43.2(2018):67-72.
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