The Geology of Water-Supply

ISBN: 9781330085943 出版年：2016 页码：359 Horace B Woodward Forgotten Books

Fresh water is required in all regions from the tropics to the poles, and at different elevations, so that recourse must be had in some situations to the melting of snow or glacier-ice, to natural water-holes in arid regions, or to the sinking of wells along a dry river-course, and to distillation of sea-water, mostly on the ocean, but sometimes on land.