Our coasts are vulnerable to flooding as a result of coastal surges, which happen when large amounts of water from the ocean rushes onto land, with potential damages to coastal communities and infrastructure. New York City’s low-lying areas are currently exposed to coastal surge flooding by tropical storms, such as Hurricane Sandy, and cold season nor’easters. During a storm, winds can push water towards the coast, causing storm surges. Coastal surge flooding is also exacerbated by sea level rise, which is associated with climate change. Since 1900, sea level in New York City has risen by about 12 inches and is projected to continue to increase as much as 5.4 feet by 2100, leading to increased frequency and intensity of coastal flooding.
气候变化和海平面上升可能会助长更强大、更具破坏性的沿海风暴。到 2050 年代，一场类似桑迪的风暴可能造成 $900 亿的损失和经济损失——几乎是桑迪影响的五倍。气候变化还有可能加剧风暴，例如飓风，这可能会进一步影响沿海社区。了解更多关于未来气候影响和 纽约市气候变化委员会， 一群科学家制定当地气候预测。