Hello. I need to compare estimated LST (land surface temperature) of summer time of the years 2000, 2005, 2010 and 2015 (each year one image only). my case study is an urban district. for this purpose i have decided to download images from Landsat 8, 7 and 5.

my question:

can i compare LST of different Landsat sensors with each other? should i use any special  algorithm? 

Many thanks in advance,

Majid

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