基于Sentinel卫星及无人机多光谱的滨海冬小麦种植区土壤盐分反演研究——以黄三角垦利区为例

奚雪,赵庚星,高鹏,崔昆,李涛

Inversion of Soil Salinity in Coastal Winter Wheat Growing Area Based on Sentinel Satellite and Unmanned Aerial Vehicle Multi-Spectrum— A Case Study in Kenli District of the Yellow River Delta

XI Xue,ZHAO GengXing,GAO Peng,CUI Kun,LI Tao

表2 垦利区土壤盐渍化程度分级标准

Table 2 Grade standard of soil salinization degree in Kenli district

土壤盐渍化等级 Soil salinity grade 非盐渍化 Non-salinized 轻度盐渍化 Mild salinized 中度盐渍化 Moderate salinized 重度盐渍化 Severe salinized 盐土 Salinized soil 分级标准 Grade standard (g·kg-1) SS<1 1≤SS<2 2≤SS<4 4≤SS<6 SS>6 等级 Grade 1 2 3 4 5