Abstract
Due to the subtropical climate the average annual precipitation in Vietnam is high. Nevertheless it is observed that groundwater levels in the capital Hanoi have decreased dramatically. As a consequence more and more settlements of buildings have been registered since the beginning of the new millennium. Reason for this tremendous impact is the increasing demand of areas and the extensive surface sealing in the course of the industrial development. This paper describes the “state of the art” and the development of sustainable solutions to maintain and even increase the declined groundwater levels in Hanoi.
Highlights
Water resources in Vietnam are difficult to manage due to the high levels of precipitations
This paper describes the “state of the art” and the development of sustainable solutions to maintain and even increase the declined groundwater levels in Hanoi
Due to the development of the infrastructure in fast growing cities settlements of buildings by groundwater drawdown are a worldwide and well known phenomenon [2,3]. At first view this should be excludable in Vietnam because heavy rainfalls occur at least in the summer time
Summary
Water resources in Vietnam are difficult to manage due to the high levels of precipitations. Due to the development of the infrastructure in fast growing cities settlements of buildings by groundwater drawdown are a worldwide and well known phenomenon [2,3]. At first view this should be excludable in Vietnam because heavy rainfalls occur at least in the summer time. Hanoi will quickly develop in the years which offers a chance to find a strategy with sustainable solutions for a well balanced water economy which could be applied to similar cases
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