NDSI Calculation or extract Glaciers and snow area form Landsat images

[@kingsarwary1194]

بسیار عالی

[@Peer826]

Hi Sir, I hope you will fine. Sir i work on Glacier retreat so which landset data is best for that please reply me

[@grscience9575]

hi, the landsat and sentinel is ok

[@angelogr3822]

thanks bro, greetings

[@sulemansaleh6069]

IS it necessary that NDSI value must be between -1 and +1??

[@grscience9575]

yes, the NDSI value must be between -1 into +1

[@chetnabisht2136]

can u help in ,-
how to do velocity of glacier in Arc

[@TheBalticSun]

Which is the reference of the snow classification NDSI?

[@grscience9575]

replied in your email. thanks

[@TheBalticSun]

@@grscience9575 thanks!!!

[@joaquinvalenzuelajara3075]

​@@grscience9575 Hi, I need the reference too, if you can send it by email please :D

[@grscience9575]

@@joaquinvalenzuelajara3075 just do it with yourself you will gate the same result

[@bag2884]

@@grscience9575 may I get one too, sir?

[@reshac.wibowo3032]

shouldn't it calculated using reflectance of green and SWIR instead of DN?

[@grscience9575]

yeah just try, you will gate the same result.