基于特征空间的黄河三角洲垦利县土壤盐分遥感提取

边玲玲,王卷乐,郭兵,程凯,魏海硕

Remote Sensing Extraction of Soil Salinity in Yellow River Delta Kenli County based on Feature Space

Lingling Bian,Juanle Wang,Bing Guo,Kai Cheng,Haishuo Wei

表1 垦利县盐渍化监测指标

Table 1 Monitoring indicators of salinization in Kenli County

盐渍化程度 非盐渍化 轻度盐渍化 中度盐渍化 重度盐渍化 盐土 SDI ≤0.68 >0.68, ≤0.84 >0.84, ≤0.89 >0.89, ≤0.98 >0.98, ≤1.21 ASI ≤0.58 >0.58, ≤0.66 >0.66, ≤0.72 >0.72, ≤0.80 >0.80, ≤1.40 SDI ≤0.007 >0.007, ≤0.08 >0.08, ≤0.15 >0.15, ≤0.23 >0.23, ≤0.57