The loss of forest cover in the Krishna basin took place prior to 2000, which also led to change in water flow and higher sedimentation level.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/n-k-flooding-caused-loss-forest-cover-krishna-basin
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/deccan-herald-bangalore
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/karnataka
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/krishna
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/floods
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/monsoons
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/deforestation
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/urbanisation
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/natural-disasters