1984~2013年间曹妃甸海岸线变迁分析
Analysis of Coastline Changes in Caofeidian from 1984 to 2013

作者: 张 贺 , 郑小慎 :天津科技大学海洋与环境学院海洋资源与化学重点实验室,天津;

关键词: 海岸线边缘检测Sobel算法遥感监测曹妃甸Coastline Edge Detection Sobel Algorithm Remote Sensing Monitoring Caofeidian

摘要:
针对海岸带作为海洋与陆地过渡地带,是全球变化非常敏感的地带。研究海岸线变化及其驱动因素对于了解海岸带生态环境变化具有重要意义。本文以多时相Landsat MSS/TM/ETM影像为主要数据源,在ENVI和GIS中利用Sobel算法人机交互提取海岸线,对1984年~2013年间的海岸线演变进行时空分析并生成岸线动态变化图。结果表明:曹妃甸区域海岸线不断向海内扩张,其变化主要是人为的填海造陆的结果。在人类活动的作用下,海岸特征也发生了变化,自然海岸逐渐转化为人工海岸。

Abstract: The coastal zone is the transition zone of marine and land, and it is very sensitive to global change. Researching the coastline change and its driving factors is of great significance for us to understand the change of coastal zone ecological environment. This article interactively extracted coastlines by Sobel algorithm in ENVI and GIS, took a spatio-temporal analysis of the coastline from 1984 to 2013 and generated dynamic changes of coastline maps. The results show that the shoreline of Caofeidian is keeping the domestic expansion, and the change is largely the results of man-made land reclamation. Under the influence of human activity, coastal features have also changed, and nature coast is gradually converted into artificial coast.

文章引用: 张 贺 , 郑小慎 (2016) 1984~2013年间曹妃甸海岸线变迁分析。 自然科学, 4, 276-283. doi: 10.12677/OJNS.2016.43033

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