Green and blue water footprint per unit of wood (1997-2015)

Green and blue water footprint per unit of wood (1997-2015) provided as a raster (30 x 30 arc minutes) and as a table with country-average values. The data represents the forest evaporation attributed to roundwood production and distinguishes between the evaporation of green water (direct evaporation of precipitation from the soil and vegetation) and blue water (evaporation of groundwater taken up by the roots of vegetation through capillary rise). See README.txt for full metadata and citation details.

1997-2015年单位木材的绿色与蓝色水足迹数据集，以栅格（raster，30×30弧分）格式及包含国家平均值的数据表格形式提供。本数据集表征归因于原木（roundwood）生产的森林蒸发量，并区分了两类蒸发过程：绿色水蒸发（即土壤与植被表面降水的直接蒸发）与蓝色水蒸发（即植被根系通过毛细上升作用汲取的地下水的蒸发）。完整元数据（metadata）与引用详情请参阅README.txt文件。