Since i am going for, Glacier studies optical based data for correlation. it is imperative to select suitable band combination your replies would be highly appreciated.
Hi Gurnam,
For the Snow, Glacier and Ice studies using optical data, the reflectance of snow is high in Green band (0.53 - 0.59 µm), while in SWIR band (1.57 - 1.65 µm) snow reflects less in compared to other surfaces. Also it will help you to differentiate snow from clouds.
Use these bands along with other bands like blue, red and NIR for Visual Analysis of optical satellite imageries for your study. Also NDSI is significantly best for isolating snow, ice from other land cover like rocks and vegetations. This will enhance your ability to accurately map and analyze snow cover and glacier area.
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