Conceptual marsh units for Fire Island National Seashore and central Great South Bay salt marsh complex, New York
Conceptual marsh units for Fire Island National Seashore and central Great South Bay salt marsh complex, New York
复制标题
纽约火岛国家海岸和大南湾中部盐沼综合体的概念沼泽单元
DOI：
--
复制
发表时间：
2018
期刊：
影响因子：
--
通讯作者：
Zafer Defne Neil K. Ganju
中科院分区：
文献类型：
--
作者：
Zafer Defne Neil K. Ganju
通过对地表高程数据的地理处理，火岛国家海岸和大南湾中部的盐沼复合体被描绘成更小的概念性沼泽单元。基于每个位置的相对高程的流量累积被用来确定分隔每个沼泽单元的山脊线，而地表坡度被用来自动地为每个单元分配一个排水点，预计水将从那里排出。通过飓风桑迪科学计划发起的科学努力，美国地质调查局一直在将国家海岸变化危险评估和预报产品扩展到沿海湿地，包括火岛国家海滨和大南湾中部盐沼，目的是为联邦、州和地方管理人员提供工具，以评估这些湿地的脆弱性和生态系统服务潜力。为此，需要根据沿海湿地脆弱性和生态系统服务随之发生的变化来评估沿海湿地对自然因素的反应和恢复能力。
The salt marsh complex of Fire Island National Seashore (FIIS) and central Great South Bay was delineated to smaller, conceptual marsh units by geoprocessing of surface elevation data. Flow accumulation based on the relative elevation of each location is used to determine the ridge lines that separate each marsh unit while the surface slope is used to automatically assign each unit a drainage point, where water is expected to drain through. Through scientific efforts initiated with the Hurricane Sandy Science Plan, the U.S. Geological Survey has been expanding national assessment of coastal change hazards and forecast products to coastal wetlands, including the Fire Island National Seashore and central Great South Bay salt marshes, with the intent of providing Federal, State, and local managers with tools to estimate the vulnerability and ecosystem service potential of these wetlands. For this purpose, the response and resilience of coastal wetlands to physical factors need to be assessed in terms of the ensuing change to their vulnerability and ecosystem services.