[1]惠波,李鹏,张维,等.王茂沟流域淤地坝系土壤颗粒与有机碳分布特征研究[J].水土保持研究,2015,22(04):1-5.
　HUI Bo,LI Peng,ZHANG Wei,et al.Distribution Charateristics of Soil Particles and Organic Carbon on Check-dam System in Wangmaogou Watershed[J].Research of Soil and Water Conservation,2015,22(04):1-5.
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王茂沟流域淤地坝系土壤颗粒与有机碳分布特征研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 22 期数: 2015年04期 页码: 1-5 栏目: 出版日期: 2015-08-28
Title:
Distribution Charateristics of Soil Particles and Organic Carbon on Check-dam System in Wangmaogou Watershed
作者:
惠波1,2, 李鹏1, 张维3, 高海东1, 赵宾华1, 王琦1
1. 西安理工大学 西北水资源与环境生态教育部重点实验室, 西安 710048;
2. 黄河水利委员会绥德水土保持科学试验站, 陕西 绥德 718000;
3. 咸阳市种苗站, 陕西 咸阳 712000
Author(s):
HUI Bo1,2, LI Peng1, ZHANG Wei3, GAO Haidong1, ZHAO Binhua1, WANG Qi1
1. Key Laboratory of Northwest Water Resources, Environment and Ecology, Ministry of Education, Xi’an University of Technology, Xi’an 710048, China;
2. Suide Soil and Water Conservation Scientific Experimental Station, Water Conservancy Committee of Yellow River, Suide 718000, China;
3. Seedling Station of Xianyang, Xianyang, Shaanxi 712000, China
关键词:
坝地; 分形维数; 土壤质地粗化度; 有机碳
Keywords:
dam land; fractal dimension; soil texture coarsening degrees; soil organic carbon
分类号:
S157
摘要:
为了研究黄土高原丘陵沟壑区坝系坝地土壤颗粒与有机碳的分布特征，以陕北绥德县王茂沟小流域为研究对象，选取了47个土壤剖面，采集土样940个，分析了分形维数、粗化度、有机碳与各粒径组成之间的关系。结果表明：（1）研究区坝地的土壤粒径分布中，粉粒含量占主导地位，依次为砂粒、黏粒；（2）王茂沟坝地土壤颗粒的分形维数在2.674~2.829之内变化，垂直剖面上变化很微小，坝前、坝中、坝后土壤颗粒分形维数分别为2.803 3，2.783 6，2.795 8；（3）王茂沟坝地土壤质地粗化度在0.27~0.58，平均值为0.44，坝前（0.40） < 坝后（0.45） < 坝中（0.46）；（4）坝地土壤颗粒在0.05~0.002 mm和 < 0.002 mm范围内与土壤颗粒的分形维数成极显著正相关，在2.0~0.05 mm范围内与土壤颗粒的分形维数成极显著负相关；坝地土壤有机碳与粉粒和黏粒呈正相关，与细砂粒和极细沙粒含量呈负相关。
Abstract:
In this paper,in order to study distribution characteristics of soil particles and organic carbon in check-dam system in Wangmaogou watershed of hilly-gully Loess Plateau, we collected 47 soil profiles and 940 soil samples, analyzed the fractal dimension, coarsening, organic carbon and the relationship of particle size composition. The results indicated that:(1) the predominant soil particle size was found to be silt in studies area, followed by sand and clay; (2) the soil particle fractal dimension of dam land in Wangmaogou watershed ranged from 2.674 to 2.829. The changes in the vertical profile were very slight, the fractal dimensions of particle size distribution in the front, the middle and the end of the dam were 2.803 3,2.783 6,2.795 8, respectively; (3) the soil texture coarsening degrees of dam land in Wangmaogou watershed were between 0.27 and 0.58 with the mean of 0.44, in the front of the dam (0.40) < after the dam (0.45) < in the dam(0.46); (4) the soil particle of dam land had an extraordinary positive correlation with the fractal dimension of soil particle in 0.05~0.002 mm and < 0.002 mm, and had an extraordinary negative correlation with the fractal dimension of soil particle in 2.0~0.05 mm; soil organic carbon of dam land had a positive correlation with the contents of silt and clay, and had a negative correlation with the contents of fine sand and very fine sand.

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备注/Memo

收稿日期:2014-09-23;改回日期:2014-10-08。
基金项目:水利部公益性行业科研专项经费项目（201201084）；国家自然资助项目（41401305）
作者简介:惠波(1985-),男,陕西榆林人,硕士研究生,研究方向为土壤侵蚀与水土保持。E-mail:such1985hb@163.com
通讯作者:李鹏(1974-),男,山东烟台人,教授,博士生导师,研究方向为土壤侵蚀与水土保持。E-mail:lipeng74@163.com

更新日期/Last Update: 1900-01-01