[1]贾松伟,贺秀斌,陈云明,等.黄土丘陵区土壤侵蚀对土壤有机碳流失的影响研究[J].水土保持研究,2004,11(04):88-90.
 JIA Song-wei,HE Xiu-bin,CHEN Yun-ming,et al.Effect of Soil Erosion on Soil Organic Carbon Loss on the Loess Hilly Areas[J].,2004,11(04):88-90.
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黄土丘陵区土壤侵蚀对土壤有机碳流失的影响研究()
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《水土保持研究》[ISSN:1005-3409/CN:61-1272/P]

卷:
11卷
期数:
2004年04期
页码:
88-90
栏目:
出版日期:
1900-01-01

文章信息/Info

Title:
Effect of Soil Erosion on Soil Organic Carbon Loss on the Loess Hilly Areas
作者:
贾松伟1 贺秀斌2 陈云明1 郑粉莉1
1. 中国科学院水利部水土保持研究所, 陕西杨陵 712100;
2. 中国科学院成都山地灾害与环境研究所, 成都 610061
Author(s):
JIA Song-wei1 HE Xiu-bin2 CHEN Yun-ming1 ZHENG Fen-li1
1. Institute of Soil and Water Conversation, CAS&MWR, Yangling, Shaanxi 712100, China;
2. Institute of Mountain Hazards and Environment, CAS, Chengdu 610041, China
关键词:
土壤有机碳土壤侵蚀碳循环泥沙
Keywords:
soil organic carbonsoil erosioncarbon cyclesediment
分类号:
S157.1
摘要:
土壤侵蚀是造成土壤中有机碳迁移、流失的主要原因,也是陆地碳循环的重要动力过程之一。通过野外径流小区观测和室内分析的研究结果表明:土壤有机碳流失主要随着泥沙流失,最高可以达到95%以上;土壤侵蚀造成了有机碳在泥沙中的富集,且富集比大于1。植被覆盖度对小区有机碳的流失有很大的影响,随着植被覆盖度增大,土壤有机碳的流失减小。侵蚀强度与泥沙中有机碳含量呈递减的对数关系;而与土壤有机碳流失程度呈明显的线性关系。
Abstract:
Soil erosion does not only lead to the loss of surface soil, soil degradation, water contaminated, and the soil erosion process also goes with transference of soil organic carbonc SOC. The effect of soil erosion on SOC in the different vegetation coverage and sloping gradient within the runoff plots. were studied The result shows that the main way of SOC loss is the loss accompanied with the sediment, accounting for 95% above of SOC; the loss amount of SOC decrease with the increasing of vegetation coverage. The soil erosion results in the enrichment of SOC in sediment, and the enrichment ratio is greater. The organic carbon content in sediment and SOC loss degree are related to erosion intensity.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2004-7-10;改回日期:。
基金项目:国家自然科学基金西部重大研究计划项目(90302001);国家自然科学基金项目(49901012)和(40301028);中国科学院知识创新工程重大项目(KZCX1-06-01-03)
作者简介:贾松伟(1979- ),男,硕士,主要从事土壤侵蚀与土壤碳流失方面研究。
更新日期/Last Update: 1900-01-01