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Global Scale Evaluation Of Coastal Fresh Groundwater Resources

机译：沿海淡水资源全球规模评价

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摘要

This paper presents a simplified approach to assess the effects of global warming on global coastal groundwater resources over the next century based on the smallest but necessary number of elements such as rainfall, temperature, hydraulic conductivity of the aquifers, and population changes regarding the consumption of groundwater. The positive aspect in this approach is that there is availability of the above elements in the majority of the planet. Methodology includes a sharp interface concept model and simplified estimation of groundwater recharge using limited climate data. The evaluation shows that the future climate changes would decrease fresh groundwater resources in Central American, South American, South African and Australian regions whereas most of the areas in Asia, except South-East Asia. Combinations of fresh groundwater loss and global population are considered to state the vulnerability of future fresh groundwater supply. Vulnerability assessment shows that South Asia, Central America, North Africa and the Sahara, South Africa and the Middle East countries are highly vulnerable whereas, Northern Europe, Western part of South America, New Zealand and Japan are less vulnerable with respect to future fresh groundwater supply. Further, this paper highlights the necessity Integrated Coastal Management (ICM) practices in these vulnerable coastal regions to ensure the sustainable development in coastal regions.
机译：本文基于最小但必要数量的要素（例如降雨，温度，含水层的水力传导率以及有关消耗量的人口变化），提出了一种简化的方法来评估下一世纪全球变暖对全球沿海地下水资源的影响。地下水。这种方法的积极方面是，在地球上的大多数地区都可以使用上述元素。方法学包括清晰的界面概念模型和使用有限的气候数据简化的地下水补给估算。该评估表明，未来的气候变化将减少中美洲，南美，南非和澳大利亚地区的新鲜地下水资源，而亚洲的大多数地区除外东南亚。淡水地下水流失和全球人口的综合被认为是未来淡水地下水供应的脆弱性。脆弱性评估表明，南亚，中美洲，北非和撒哈拉，南非和中东国家非常脆弱，而北欧，南美西部，新西兰和日本在未来的新鲜地下水方面则较不脆弱。供应。此外，本文强调了在这些脆弱的沿海地区实施综合沿海管理（ICM）做法的必要性，以确保沿海地区的可持续发展。

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