摘要
通过对乌兰布和沙漠不同沙地水分状况研究表明 :根据流动沙地土壤水分垂直分布状况可划分为 :表层干沙层、湿度变化层、稳定层 ;白刺灌丛沙堆与流动沙地相似 ,但层次区分与流动沙地略有差异 ;流动沙地各层湿沙含水量均高于白刺灌丛沙堆 ;流动沙地迎风坡不同坡位含水量均呈现 ;坡上部 <坡中部 <坡下部 :固定沙地丘间低地 8月份土壤含水量小于 9月份 ;
The research on water regime of different sandy land in Wlanbuhe showed that soilcall be divided into three layers: dry sand layer of surface layer,moisture changing layer and stable layer according to vertical distribution of sandy land soil moisture of mobile sandy land. Sand mound of Nitraria tangutorum brushwood was similar to mobile sandyland, but layer partition was different from mobile sandy land. Water moisture of damp sand of different layers in mobile sandy land was higher than Sand mound of Nitraria tangutorum brushwood. Water moisture of different declivis location of stoss slope in mobile sandy land showed top<middle<boyyom. Soil water moisture in immobile sandy land in August was less than in September. Soil water moisture in immobile sandy land was less than inter-dune lowland of mobile sandy land.
出处
《内蒙古农业大学学报（自然科学版）》
CAS
2004年第2期23-26,共4页
Journal of Inner Mongolia Agricultural University(Natural Science Edition)
基金
国家自然科学基金重点项目 ( 30 2 30 2 90 )
关键词
乌兰布和沙漠
沙地类型
土壤水分
垂直分布
wulanbuhe desert
sandy land type
soil moisture
variation characteristic
