海洋科学2012，Vol.36Issue(4)：99-106,8.
基于遥感的黄河三角洲海岸线变化研究
Coastline change detection of the Yellow River Delta by satellite remote sensing
摘要
Abstract
We used remote sensing and geographic information system to extracted coastlines of the Yellow River Delta from muti-temporal Landsat TM/ETM＋ images （1989-2009）, and analyzed the length and area variations of the Yellow River Delta. The shape and length of the coastline in the Yellow River Delta had significantly changed since 1989. Coastal erosion occurred in the Diaokou Estuary area where the shoreline was not protected by dam. The whole coastline in Qingshuigou area extended seaward because some parts of it suffered from erosion. Coast- line in Shenxiangou area changed little because most parts of it were protected by dam. The area of the Yellow River Delta increased from 1989 to 2009, though it decreased from 2006 to 2009. The annual average of area that erosion occurred or siltation changed from small to large. The Yellow River Delta was in expansion in the last 20 years. But from 2006 to 2009, the area of the Yellow River Delta was decreased and more area had been in erosion or siltation status. Discharge and sediment concentration of the Yellow River, precipitation and water diversion were main factors that influenced the area change of the Yellow River Delta. Artificial dams were able to resist the inva- sion of sea wave and to maintain the stability of coastline. The result of this work is contributed to the management and reservation of coastal environment.关键词
黄河三角洲/海岸线变化/遥感/面积变化Key words
the Yellow River Delta/coastline changes/remote sensing/area changes分类
天文与地球科学引用本文复制引用
栗云召,于君宝,韩广轩,王永丽,张志东..基于遥感的黄河三角洲海岸线变化研究[J].海洋科学,2012,36(4):99-106,8.基金项目
国家自然科学基金资助项目(41106083 （）
41106084) （）
