Links:
[1] http://admin.indiaenvironmentportal.org.in/news/new-method-recognise-erosion-gullies-satellite-photos
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/down-earth
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/soil-erosion
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/remote-sensing
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/netherlands
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/brazil