摘要
通过定位监测和不同时期遥感资料的土壤盐渍化图件复原,依据灰色理论建立了河北省沧州地区盐渍化土壤面积预测模型,并确定了人工调控措施与土壤盐渍化发育的数学关系,为今后改良利用盐渍化土壤提供了依据.
Soil salinization is one of main characteristics of land degradation. Under the influence of natural and human factors,the spatial and temporal distribution of soil salinization is dynamic changeable. In order to know the distribution data bases and find out the relationships between variation of distribution and influencing factors,we conducted location monitoring and restoring of soil salinization maps drawn by remote sensing technique in different periods,and set up grey theory predictable model and determined the mathematical relation between artificial control method and soil salinization development, thus provided basis for improving and utilizing salinized soil.
出处
《华北农学报》
CSCD
北大核心
1995年第S1期175-180,共6页
Acta Agriculturae Boreali-Sinica
关键词
遥感
土壤盐渍化
动态监测
Remote sensing
Soil salinization
Dynamic monitoring
