Abstract
Abstract. Under the S-ClimWaRe (Seasonal Climate prediction in support of Water Reservoirs management) initiative, a climate service to support decision-making process by water managers in Spanish reservoirs has been developed. It consists in a web-based toolbox jointly designed with stakeholders. The website is organized in two main areas. The first one allows the user to explore, for any water reservoir or grid point over continental Spain, the existing hydrological variability and risk linked to climate variability. This is performed through a set of indicators obtained from time series of hydrological and meteorological observations and North Atlantic Oscillation (NAO) index, identified as main climate driver in this geographical region. The second main area provides seasonal forecasts of NAO and both reservoir inflow and precipitation, complemented by information on probabilistic forecasts skill. Currently the NAO index is the only driver implemented for display, and forecasts come from a statistical forecasting system developed only for the extended winter NDJFM period. Through the MEDSCOPE (MEDiterranean Services Chain based On climate PrEdictions) project new sources of predictability and relationships with different climate drivers will be explored. Forecast skill improvement is expected after the combination and weighting of ensemble members of the Copernicus seasonal forecasting systems. These forecasts will feed more sophisticated hydrological models. The toolbox has been flexible designed with respect to sources of seasonal forecasts and extension to additional drivers, variables and seasons. In this way, user requirements and scientific progress will be easily incorporated to new versions of this climate service.
Highlights
Reservoirs in Spain are hydraulic infrastructures that play an important role in water resources management, as well as in flood lamination and in reducing droughts’ impacts
The main goal of S-ClimWaRe (Seasonal Climate predictions to support Water Reservoirs management in Spain) initiative is to improve the management of reservoirs in Spain by using scientifically based climate information and seasonal forecasts
Each of these institutions makes its contribution to build a multidisciplinary team of meteorologists, scientists, engineers and water managers that advances in the knowledge of the processes determining the complexities of water resources behaviour
Summary
Reservoirs in Spain are hydraulic infrastructures that play an important role in water resources management, as well as in flood lamination and in reducing droughts’ impacts. Voces-Aboy et al.: Web-based decision support toolbox for Spanish reservoirs presented in this paper This climate service has been codesigned by a team headed by AEMET, the Spanish National Meteorological Service, and the DG Water of Spain, along with concerned stakeholders (River Basin Authorities of Ebro, Douro, Miño-Sil and Tagus). Each of these institutions makes its contribution to build a multidisciplinary team of meteorologists, scientists, engineers and water managers that advances in the knowledge of the processes determining the complexities of water resources behaviour.
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