Level A Pan Europe Solar Index for estimation of Potential evaporation September

Solar Index for estimation of Potential evaporation September. Solar Index (SI) maps are input needed for spatial estimation of potential evaporation by using modified Blaney Criddle method (Schrödter 1985, Parajka et al., 2003). SI maps are available for each month. SI maps are available for each month. Spatial resolution: 1km2. Solar Index maps (SI_xxx) for estimation of potential evaporation by using modified Blaney Criddle method. Maps are available for each month (xxx). Format ArcGIS ASCII grid. Maps are estimated from GTOPO30 DEM. Coordinates: geographical. SI index is estimated in GIS GRASS (r.sun module).

用于潜在蒸发量估算的太阳指数（Solar Index, SI）数据集，覆盖全月度数据且包含9月相关内容。太阳指数（SI）栅格是采用修正布兰尼-克里德尔法（Schrödter 1985, Parajka等，2003）开展空间化潜在蒸发量估算所需的输入数据。该数据集覆盖所有月份的太阳指数栅格数据。空间分辨率为1 km²。用于修正布兰尼-克里德尔法潜在蒸发量估算的太阳指数栅格文件命名格式为SI_xxx，其中xxx为对应月份的标识。数据格式为ArcGIS ASCII栅格格式。该数据集基于GTOPO30数字高程模型（Digital Elevation Model, DEM）生成。坐标系统采用地理坐标系。太阳指数通过GRASS地理信息系统软件的r.sun模块计算得到。