Glacier has a narrow spectrum on TM5, 7 bands, but moraine and snow and ice are different in evidence, therefore, TM5, 7 are advantageous bands for extracting glacier information.
冰川在TM 5、7波段光谱值范围窄，且冰碛与冰雪有明显的光谱差异，是冰川信息提取的有利波段。
Glacier has a narrow spectrum on TM5, 7 bands, but moraine and snow and ice are different in evidence, therefore, TM5, 7 are advantageous bands for extracting glacier information.
冰川在TM 5、7波段光谱值范围窄，且冰碛与冰雪有明显的光谱差异，是冰川信息提取的有利波段。
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