摘要
对青海湖沙区克土及沙岛的固沙草方格进行了调查、采样及样品分析.初步结果显示,克土-草方格区,0～30 cm,平均粒径为1.71(Φ),标准偏差平均值为0.68(Φ),平均偏度为-0.12(Φ),峰度平均值为1.18(Φ);30～50 cm,沙粒平均粒径为1.74(Φ),标准偏差平均值为0.85(Φ),平均偏度为-0.06(Φ),平均峰度值为0.98(Φ).沙岛-草方格内:0～30 cm,沙粒的平均粒径为2.22(Φ),标准偏差的平均值为1.13(Φ),平均偏度值为-0.10(Φ),平均峰度值为1.02(Φ);30～50 cm,平均粒径为2.22(Φ),标准偏差平均值为1.08(Φ),平均偏度值为-0.08(Φ),平均峰度值为0.99(Φ),属于中等峰态.
A straw checkerboard barrier of Ketu and Shadao in desertification combating areas around Qinghai Lake is selected to survey, take sample and analysis. Preliminary results show that in straw checkerboard barriers of Ketu the average particle size is 1.71（φ） in the depth of 0-30 cm, the average standard deviation is 0.68（φ）, the average skewness is -0.12（φ）, the Kurtosis is 1.18（φ）. The average particle size is 1.74（φ） in the depth of 30-50cm, the average standard deviation is 0.85（φ）, the average skewness is -0.06 （φ）, the Kurtosis was 0.98 （qb）. In straw checkerboard barriers of Shadao, the average particle size is 2.22（φ） in the depth of 0-30cm, the average standard deviation is 1.13（φ）, the average skewness is -0.10（φ）, the Kurtosis is 1.02 （φ）. The average particle size is 2.22 （φ） in the depth of 30-50 cm, the average standard deviation is 1.08 （φ）, the average skewness is -0.08（φ）, average Kurtosis is 0.99（φ） which is moderate kurtosis.
出处
《宁夏工程技术》
CAS
2012年第4期312-314,318,共4页
Ningxia Engineering Technology
基金
宁夏大学科学研究基金资助项目(ZR1156)
关键词
青海湖
防沙治沙
草方格
粒度参数
Qinghai Lake
desertification combating
straw checkerboard barriers
grain size parameter
