The Indian shield comprises a number of Archean–Paleoproterozoic cratonic blocks and predominantly Meso–Neoproterozoic mobile belts with Archean protoliths.All these ancient cratons were thought to be integral parts of
In Botswana water is the most precious natural resource and the government, through various institutions, is making an attempt to control the development and usage of this resource which is critical in all future deve...In Botswana water is the most precious natural resource and the government, through various institutions, is making an attempt to control the development and usage of this resource which is critical in all future development planning. Virtually all water used in rural areas is extracted from groundwater by means of wells and boreholes. Information on these water points, together with other surface sources, play an important role in regional economic development. An attempt, using the available water points data and Arc View GIS software, has been made to build a Water Point Management System in Central District (WPMSCD), which has already been used by the local authorities to answer day-to-day inquiries related to water points in the District.展开更多
文摘The Indian shield comprises a number of Archean–Paleoproterozoic cratonic blocks and predominantly Meso–Neoproterozoic mobile belts with Archean protoliths.All these ancient cratons were thought to be integral parts of
文摘In Botswana water is the most precious natural resource and the government, through various institutions, is making an attempt to control the development and usage of this resource which is critical in all future development planning. Virtually all water used in rural areas is extracted from groundwater by means of wells and boreholes. Information on these water points, together with other surface sources, play an important role in regional economic development. An attempt, using the available water points data and Arc View GIS software, has been made to build a Water Point Management System in Central District (WPMSCD), which has already been used by the local authorities to answer day-to-day inquiries related to water points in the District.