Abstract The primary purpose of a water supply reservoir is to regular highly fluctuating streamflow for providing reliable supplies. Reducing shortage risk impending droughts challenge task in real-time operation due future inflow uncertainty. main aim this study propose risk-aversion optimal hedging scenarios during droughts, which achieved by two-stage approach. probabilities lead times are ...

Periodic drought is one of the most serious hazards to young conifer plantations in several regions of this country. In the Lake States region, for example, droughts have occurred in four years of the past seven. Biologists have suggested that repellent substances sprayed on leaves of conifers to prevent rodent damage might, in addition, have a beneficial effect on survival during droughts. It ...

Estuarine and coastal systems represent a challenge when it comes to determining the causes of ecological change because human and natural perturbations often interact. Phytoplankton biomass (chlorophyll a) and group-specific photopigment indicators were examined from 1994 to 2007 to assess community responses to nutrient and climatic perturbations in the Neuse River Estuary, NC. This system ex...

Recent prolonged dry periods in summer 2018 and spring 2020 have reawakened interest drought Ireland, prompting questions regarding historical occurrence potential long-term risks. Employing 250 years of monthly precipitation flow reconstructions, we investigate Irish catchments evaluating the characteristics (number events, duration, deficits) moderate, severe, extreme droughts as well propaga...