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Impact of water resources projects: case study of Wardha

The study focuses on the hydrology of Wardha sub basin of Godavari which occupies the area between latitudes 190 18’ N and 210 58’N and longitudes 770 20’E and 79045’ E. The designated sub basin is characterized by some distinctive features including: the sub basin is triangular in shape with an average width of nearly 90km, the sub basin terrain is undulating with accompanying ridges and valleys and the surface is marked by a medium density forest cover. The annual climatology is defined in terms of three dominant seasonal patterns that features: summer season (March – May), monsoon season (June – October), and winter (November – February). The soils of Wardha sub-basin are broadly divided into three categories namely: Black soil, Red soil, and Mixed Black and Red soil. Wardha River, a tributary of Pranhita River, is the principal drainage and the runoff carried by the former constitutes the principal source of water in the region and, accordingly, the sub-basin has also witnessed large scale interventions and related developments. The climatology is monitored at five IMD stations namely Betul, Amravati, Chanda, Nagpur and Yeotmal.