Sea level rise and land subsidence — induced flooding are projected to have severe impacts on highly populated Asian deltaic cities. These cities are already suffering from frequent floods, though few comparative analyses have been conducted on the similarities and differences of their adaptation approaches. Thus, this study aims to investigate the current adaptation pathways of Asian deltaic cities to flooding induced by slow onset events such as urbanization-induced land subsidence and sea level rise, by looking at Tokyo, Jakarta, Manila, and Ho Chi Minh City as case studies.
Quantification and extent mapping of seawater intrusive zones are extremely critical for coastal aquifers, especially for those impacted with anthropogenic stress. In this regard, the present study has attempted to evaluate, demarcate and compare the evolving hydrochemistry of the two most exploited aquifers situated along the western coast of India, i.e. Valsad and Navsari. Through an integrated application of water indices, major ion chemistry and statistical analysis, a probable scenario with respect to groundwater quality and the impeding causes concerning it has been suggested.