The best band, ETM+4, to survey the tide beach soil moisture by remote sensing has been selected by making statistic analysis of tide beach soil moisture and its spectrum reflectance in situ. 5.

• 4.；对实测潮滩土壤水分与其光谱反射率进行统计分析，选择出了遥感探测潮滩土壤水分的最佳波段，即ETM+4波段；