Abstract
Recurring streamflow drought is a significant problem, and it is necessary to comprehend the spatiotemporal patterns and driving factors of historical droughts in order to manage future water supplies effectively. Drought has significant and often severe effects on semi-arid and arid zones due to the already limited availability of water in these regions. Therefore, this research examines streamflow drought fluctuations in India's second-largest basin, the Godavari. The Godavari Basin experiences diverse climatic conditions ranging from humid in the Western Ghats to semi-arid in central and western regions. Frequent hydrological droughts have plagued the Godavari basin. Still, the impact of human activities and climate change on the streamflow drought characteristics in the Godavari basin has not been thoroughly investigated. Further, assessing the regional control of streamflow drought deficit and intensity in a large river basin like Godavari is crucial. The findings show that streamflow drought is worst in central and eastern Godavari. Additionally, dammed and undammed locations have different streamflow drought characteristics. Droughts have lengthened in dam-affected areas. However, regions without dams have seen more deficit and intensity. Thus, different sustainable water management techniques are needed for the dammed and undammed regions of the Godavari basin.
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