The Cauvery delta encompasses legendary farmlands for at least over the last 2300 years BP that had supported the growth of the famous Chola and Pandya kingdoms. The chrono-stratigraphic study from six sediment cores taken from the Cauvery basin indicates Holocene evolution of the present delta in response to past sea-level changes.
Original Source [2]
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/fertile-farmlands-cauvery-delta-evolution-through-lgm
[2] http://www.currentscience.ac.in/Volumes/108/02/0218.pdf
[3] http://admin.indiaenvironmentportal.org.in/category/author/pramod-singh
[4] http://admin.indiaenvironmentportal.org.in/category/author/m-g-yadava
[5] http://admin.indiaenvironmentportal.org.in/category/author/malik-z-ahmad-et-al
[6] http://admin.indiaenvironmentportal.org.in/category/journal/current-science
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cauvery
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/soil-capability
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sedimentation
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pudukkottai-d
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/history