上海的地面沉降通过合理开采地下水和人工回灌后,情况有所改善。但还有另一种危险同样可能威胁其存在,这就是海岸侵蚀。 据外刊报道,台湾1239km的海岸线有80％遭到严重侵蚀。该岛在不断萎缩之中,是 Land subsidence in Shanghai has improved after rational groundwater extraction and artificial recharge. But there is another danger that may also threaten its existence. This is coastal erosion. According to foreign publications, 80% of Taiwan’s 1239km coastline has been seriously eroded. The island is constantly shrinking.