**Acknowledgements**

This work was supported by the Major State Basic Research Development Program of China (no. 2013CB733405) and the National High Technology Research and Development Program of China (863 Program) (no. 2014AA06A511) and received fellowship fund for PhD Program by Chinese Academy of Sciences and the World Academy of Sciences (CAS-TWAS) under CAS-TWAS President's Fellowship-2015 (no. 2015CTF024) awarded by the University of Chinese Academy of Sciences (UCAS) and give our sincere thanks to USGS earth explorer committee for freely acquisition of Landsat 8 Imageries from their archive. Finally, our special thanks to In Tech Open Publishing manager for inviting us to write a book chapter, and book editor, anonymous reviewer for their insightful comments and suggestions which helps to improve the manuscript.
