1. a Forestry & Ecology Division , National Remote Sensing Agency (Dept. of Space – Govt. of India) Balanagar , Hyderabad‐500 037, India
2. b NOAA‐NESDIS National Geophysical Data Centre E/GC2 , 325 Broadway, Boulder, Colorado 80305, USA
3. c Cooperative Institute for Research in Environmental Science , University of Colorado , Boulder, Colorado 80303, USA