WorldWaves is a global wave and wind climate package developed through EU and industry sponsorship over many years. The offshore data incorporates global hindcast and operational wave and wind data from ECMWF. validat...WorldWaves is a global wave and wind climate package developed through EU and industry sponsorship over many years. The offshore data incorporates global hindcast and operational wave and wind data from ECMWF. validated and calibratcd with independent satellite and buoy data worldwide. This paper reports on the construction of global, regional and high precision offshore and nearshore wave energy resource and variability maps using the WorldWaves database. Areas exhibiting a stable energy-rich wave climate are pinpointed as are areas with a favourable ratio of extreme to mean annual wave power density, a rough indicator of the economic potential of a site. Use of shallow water models such as SWAN together with short-term in-situ wave measurements （buoys） is generally needed at the feasibility stage for a wave farm. At the pre-feasibility stage, the nearshore mapping of coastal wave energy resources is often required over larger areas and full SWAN modelling is then usually too expensive. An alternative, utilising the offshore WorldWaves data together with nearshore satellite observations is a cost-effective alternative in some cases. This method is described and validated against nearshore buoy data on the US West Coast.展开更多
文摘WorldWaves is a global wave and wind climate package developed through EU and industry sponsorship over many years. The offshore data incorporates global hindcast and operational wave and wind data from ECMWF. validated and calibratcd with independent satellite and buoy data worldwide. This paper reports on the construction of global, regional and high precision offshore and nearshore wave energy resource and variability maps using the WorldWaves database. Areas exhibiting a stable energy-rich wave climate are pinpointed as are areas with a favourable ratio of extreme to mean annual wave power density, a rough indicator of the economic potential of a site. Use of shallow water models such as SWAN together with short-term in-situ wave measurements （buoys） is generally needed at the feasibility stage for a wave farm. At the pre-feasibility stage, the nearshore mapping of coastal wave energy resources is often required over larger areas and full SWAN modelling is then usually too expensive. An alternative, utilising the offshore WorldWaves data together with nearshore satellite observations is a cost-effective alternative in some cases. This method is described and validated against nearshore buoy data on the US West Coast.
