Focus on Water Resource Research

ISBN-13: 9781604560930 / Angielski / Twarda / 2008 / 341 str.

Eetu Heikkinen

Opis

Water resources are defined as sources of water that are useful or potentially useful to humans. Only 2.7 per cent of water on the Earth is fresh water, and over two thirds of this is frozen in glaciers and polar ice caps, leaving only 0.007 per cent avail