Groundwater dating and residence time measurements

Posted by / 09-Jan-2021 20:57

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Therefore, it contains some samples covering a wide period of time from now to the Holocene implying a continuous system recharging over time.

This article provides a summary with the main elements of carbon isotope (H) coupled with hydrogeological and hydrochemical data.To be able to know about the evolution of water resources, recent research, under the aegis of the technical cooperation of the International Atomic Energy Agency (IAEA) has led to the application of isotopic technical, which helped acquire data relating to groundwater origin, its flow path and the residence time. Study Area and Hydroclimatology The Volta river basin in Benin, covers an surface area of 13,590 km, or 13% of the national territory (Figure 1) and 3.4% of the total area of the basin shared with Burkina Faso (43%), with Ghana (42%), (15%), with Togo, (2%) with Mali and Ivory Coast [4] [5] [6] [7] [8] .This article is a synthesis of results using isotopes of carbon (H) couple with hydrogeological and hydrochemical data. Located in the Sudano-Sahelian zone, this basin is between 9˚30' and a latitude of 11˚30' North and 0˚45' and a longitude of 2˚03' East (Figure 1).It is the open-system nature of geochemistry in this environment that provides most of its explanatory power, as well as its intellectual challenge.The fundamental aspects of near-surface geochemistry such as weathering reactions, precipitation of sedimentary minerals, diagenesis, and metamorphic evolution all depend on transport of mass in and out of these systems.

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