Pan evaporative changes in transboundary Godavari River basin, India

Pan evaporative changes are one of the key components water resources management a river basin under changing climate and anthropogenic-induced warming. The present study was undertaken for transboundary Godavari River (India) to identify trends in pan evaporation (Epan) by non-parametric Mann–Kendall (MK) test annual, seasonal monthly time scales. Pettitt test, also used this detect abrupt mean distribution Epan basin. Furthermore, stepwise regression analysis performed find out cause observed On (monthly) scales, statistically significant decreasing were witnessed pre-monsoon season (in months March, April May) all seven sites other hand, four increasing minimum temperature (maximum temperature) month July (December) monsoon (post-monsoon) Statistically (increasing) wind speed (relative humidity) March at these support decline demand leading possible enhancement total yield Results showed that followed relative humidity found be two main causative parameters warmer environments Pettitt’s shows year 1991–1992 probable change