Pérez-Díaz, J.I.; Millán, R.; García, D.; Guisández, I. - In: Energy 48 (2012) 1, pp. 144-152
Environmental constraints imposed on hydropower operation are usually given in the form of minimum environmental flows and maximum and minimum rates of change of flows, or ramp rates. One solution proposed to mitigate the environmental impact caused by the flows discharged by a hydropower plant...