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  • CN 21-1168/X

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Volume 34 Issue 1
Jan.  2015
Article Contents

Citation:

Analysis of the Liaohe Estuary coastline changes basing on the remote sensing image in the past thirty years

  • Received Date: 2013-11-04
    Accepted Date: 2014-01-15
  • In this paper, the changes of Liaohe Estuary coastline of a period of more than 30 years was studied by using 4 phases of Landsat data, which were 1979, 1990, 2000 and 2013. The result show that: (1)The coastline of Liaohe Estuary continuously moves forwards to the sea from 1979 to 2013. At present, the total length of the coastline is 298 km, which increased 63km comparing to 1979, while land area increased 410 km2. (2) Natural coastline of Liaohe Estuary reduced significantly with nearly 70% of the muddy coastline transforming into reclamation coastline of port, salt pan and farming. From 1979~1990, the muddy coastline transformed into reclamation coastline of salt pan and farming,however, salt pan coastline transformed into port coastline because of the construction of Panjin Port with the new century coming.(3)The coastline of the Liaohe Estuary has 3 change rates which are 94.2 m/a at the period of 1979~1990, 52.1 m/a at the period of 1979~1990 and 81.0 m/a at the period of 2000~2013. In the town of Erjiegou,the coastline moved forwards to the sea rapidly because of the construction of the salt pan, and the coastline change rate reached up to 1200 m/a in the period of 1990~2000. (4) Liaohe riverway changed greatly.Due to the large-scale aquaculture development and salt pan construction, Shuangtai River gate to the sea narrowed; Due tothe construction of salt pan and port, Big Liaohe gate to the sea also narrowed; Shuangtai riverway and Daliaohe riverway narrowed because of siltation and the reclamation. Mainly due to siltation and the reclamation, Shuangtaizi riverway and Daliaohe riverway narrowed partially.
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  • [1] 孙钦帮,苏媛媛,马 军,等.长兴岛海岸线变化遥感动态监测及分形特征[J].海洋环境科学,2011,30(3):389-393.[2]贾云召,于君宝,韩广选,等.基于遥感的黄河三角洲海岸线变化研究[J].海洋科学,2008,32(10):39-44.[3]常 军,刘高焕,刘庆生.黄河三角洲海岸线遥感动态监测[J].地球信息科学,2004,1(6):94-98.[5]董 芳,赵庚星,田文新,等.基于遥感和GIS的黄河三角洲淤蚀动态研究[J].西北农林科技大学(自然科学版),2003,31(1):53-56.[9]厉 梅.双台河口国家级自然保护区建立以来芦苇和碱蓬湿地退化遥感监测研究[D].北京:中国石油大学, 2013.[10]吴 涛,赵冬至,康建成,等.辽东湾双台子河口湿地翅碱蓬生物量遥感反演研究[J].生态环境学报,2011,20(1):24-29.[11]张 明,郝品正,冯小香,等.辽河口三角洲前缘岸滩演变分析[J].海洋湖沼通报,2010,3:142-148.[12]陈路遥,蒋卫国,陈云浩,等.基于灰色模型GM(1,1)的海岸线变化趋势预测以辽河口三角洲地区为例[J].应用基础与工程科学学报,2008,4(16):511-517.[13]谌艳诊,方国智,倪 金,等.辽河口海岸线近百年来的变迁[J].海洋学研究,2010,28(2):14-21.[14]中国海湾志编纂委员会.中国海湾志第十四分册(重要河口)[M].北京:海洋出版社,1998.[16]孙伟富.不同类型海岸线解译标志建立和提取方法研究[J].测绘通报,2011,3:41-44.[17]国家海洋局908专项办公室.我国近海海洋综合调查与评价专项海岸线修测技术规程(试行本)[M].北京:海洋出版社,2007.[18]倪绍起.21世纪以来环渤海海岸线遥感变迁研究[D].北京:中国科学院大学,2013.
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Analysis of the Liaohe Estuary coastline changes basing on the remote sensing image in the past thirty years

  • 1. The First Institute of Oceanography, SOA, Qingdao 266061, China;
  • 2. College of Geomatics, Shandong University of Science and Technology, Qingdao 266590, China

Abstract: In this paper, the changes of Liaohe Estuary coastline of a period of more than 30 years was studied by using 4 phases of Landsat data, which were 1979, 1990, 2000 and 2013. The result show that: (1)The coastline of Liaohe Estuary continuously moves forwards to the sea from 1979 to 2013. At present, the total length of the coastline is 298 km, which increased 63km comparing to 1979, while land area increased 410 km2. (2) Natural coastline of Liaohe Estuary reduced significantly with nearly 70% of the muddy coastline transforming into reclamation coastline of port, salt pan and farming. From 1979~1990, the muddy coastline transformed into reclamation coastline of salt pan and farming,however, salt pan coastline transformed into port coastline because of the construction of Panjin Port with the new century coming.(3)The coastline of the Liaohe Estuary has 3 change rates which are 94.2 m/a at the period of 1979~1990, 52.1 m/a at the period of 1979~1990 and 81.0 m/a at the period of 2000~2013. In the town of Erjiegou,the coastline moved forwards to the sea rapidly because of the construction of the salt pan, and the coastline change rate reached up to 1200 m/a in the period of 1990~2000. (4) Liaohe riverway changed greatly.Due to the large-scale aquaculture development and salt pan construction, Shuangtai River gate to the sea narrowed; Due tothe construction of salt pan and port, Big Liaohe gate to the sea also narrowed; Shuangtai riverway and Daliaohe riverway narrowed because of siltation and the reclamation. Mainly due to siltation and the reclamation, Shuangtaizi riverway and Daliaohe riverway narrowed partially.

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