2022_daily_Daylength
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Mundialis/ERGO processing Abstract: Daily maps for global daylight length at 30 arc seconds resolution (2022). This dataset is identical to https://doi.org/10.5281/zenodo.7249036 Processing steps:For each day within the year 2022, the photoperiod (sunshine hours on flat terrain) are calculated using the SOLPOS algorithm developed by the National Renewable Energy Laboratory (NREL), USA. Resultant values have been converted from hours to minutes. Projection + EPSG code:Latitude-Longitude/WGS84 (EPSG: 4326) Spatial extent:north: 90south: -90west: -180east: 180 Spatial resolution:30 arc seconds (approx. 1000 m) Filenames: File naming scheme (DDD = day within year) (min is abbreviation for minute):daylight_min_2022_DDD.tif
Mundialis/ERGO 处理数据集 摘要: 全球30角秒分辨率的2022年逐日日照时长地图。本数据集与https://doi.org/10.5281/zenodo.7249036完全一致。 处理流程:针对2022年的每一天,采用美国国家可再生能源实验室(National Renewable Energy Laboratory, NREL)开发的SOLPOS算法,计算平坦地形下的光周期(即日照时数)。所得计算结果已由小时转换为分钟。 投影与EPSG代码:纬度-经度坐标系/WGS84(EPSG: 4326) 空间范围:北纬90°至南纬90°,西经180°至东经180°(覆盖全球全域) 空间分辨率:30角秒(约1000米) 文件名: 文件命名规则(其中DDD代表年内第几日,min为分钟的英文缩写):daylight_min_2022_DDD.tif



