The Study from the distribution and motion of groundwater is hydrogeology, of glaciers is glaciology, of inland waters is limnology and distribution of oceans is oceanography. Ecological procedures with hydrology are in the focus of ecohydrology. Pollution includes discharged solutes (chemical air pollution) and discharged coolant water (thermal air pollution). https://kevalaniru.com/sustainable-water-solutions-alternatives-to-plastic-bottles-in-kerala/