近50年莱州湾南岸海岸线变迁遥感监测研究
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摘要
选取MSS、TM和OLI共6个时相遥感影像数据,基于RS与GIS平台通过面对对象分类和人机交互目视解译法,实现了对莱州湾南岸中段区1973—2017年的海岸线遥感动态监测研究。结果表明,近50年来莱州湾南岸中段区域海岸线整体上呈现出向陆地方向扩张的趋势,其中白浪河和潍河区间内扩张速度及规模最大,弥河西部区域变化幅度最小;从时间来看,莱州湾南岸海岸线变化呈现从稳定-变动高峰期-趋于稳定的总体趋势。1973—1983年基本处于稳定状态;1984—2009年为变动高峰期,海岸线出现了明显变动;2010—2017年海岸线基本保持稳定,未出现大幅度变动。海岸线变动主要与降水量变少、风暴潮频发、人类开发等有关。
Based on RS and GIS platform,MSS,TM and OLI, 6 stages of remote sensing image data were selected.By facing object classification and human-computer interaction visual interpretation,remote sensing dynamic monitoring of coastlines in the middle section of the southern coast of Laizhou Bay were realized from 1973 to 2017.The results showed that in the past 50 years,the coastline of the southern section of the southern bank of Laizhou Bay had a tendency to expand toward the land.The expansion speed and scale of the Bailang River and the Weihe River were the largest,and the west of Mi River had the smallest change.From the time point of view,the change of coastline on the south bank of Laizhou Bay showed a general trend from stable to changing peak period,and then to stable.From 1973 to 1983,it was basically stable.From 1984 to 2009,there were obvious changes in the coastline during the peak period of change.The coastline remained basically stable during 2010-2017.There was no wide-ranging change.The change was dominated by human activities,reduced precipitation and storm surges.
Based on RS and GIS platform,MSS,TM and OLI, 6 stages of remote sensing image data were selected.By facing object classification and human-computer interaction visual interpretation,remote sensing dynamic monitoring of coastlines in the middle section of the southern coast of Laizhou Bay were realized from 1973 to 2017.The results showed that in the past 50 years,the coastline of the southern section of the southern bank of Laizhou Bay had a tendency to expand toward the land.The expansion speed and scale of the Bailang River and the Weihe River were the largest,and the west of Mi River had the smallest change.From the time point of view,the change of coastline on the south bank of Laizhou Bay showed a general trend from stable to changing peak period,and then to stable.From 1973 to 1983,it was basically stable.From 1984 to 2009,there were obvious changes in the coastline during the peak period of change.The coastline remained basically stable during 2010-2017.There was no wide-ranging change.The change was dominated by human activities,reduced precipitation and storm surges.
引文
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[11] 袁本坤,刘清容,张薇,等.山东沿海的风暴潮灾害及其防御对策研究[J].海洋开发与管理,2013(11):22-26.
[12] 邵晚悦,李国庆,王乐,等.近 30 年来山东半岛北部滩涂及海岸线变化[J].应用海洋学学报,2017,36(4):512-518.
[2] 王集宁,蒙永辉,张丽霞.近42年黄河口海岸线遥感监测与变迁分析[J].国土资源遥感,2016,28(3):188-193.
[3] 王琎,吴志峰,李少英,等.珠江口湾区海岸线及沿岸土地利用变化遥感监测与分析[J].地理科学,2016,36(12):1903-1911.
[4] 王鹏,孙根云,王振杰.高分辨率遥感影像海岸线半自动提取方法[J].海洋测绘,2016,36(6):24-27.
[5] 徐夕博,吕建树,徐汝汝.山东省沂源县土壤重金属来源分布及风险评价[J].农业工程学报,2018,34(9):216-223.
[6] 孙云华,张安定,王庆.基于 RS 和 GIS 的近 30 年来人类活动影响下莱州湾东南岸海岸湿地演变[J].海洋通报,2011,30(1):65-72.
[7] 高晓梅,马守强,董晨娥,等.近45年潍坊市降水气候特征及水资源现状分析[J].中国农业气象,2009,30(S1):16-21.
[8] 苏莉莉,李媛媛,王晓立,等.近56 年潍坊市降水量变化特征分析[J].安徽农业科学,2018,46(1):157-159.
[9] 杜成玉,张胜平,陈连波,等.渤海湾山东岸段风暴潮灾害及预报浅析[J].海洋预报,2008,25(3):16-21.
[10] 陈希村,张胜平,崔着义,等.莱州湾“10.11”特大温带风暴潮分析[J].海洋预报,2004,24(4):88-92.
[11] 袁本坤,刘清容,张薇,等.山东沿海的风暴潮灾害及其防御对策研究[J].海洋开发与管理,2013(11):22-26.
[12] 邵晚悦,李国庆,王乐,等.近 30 年来山东半岛北部滩涂及海岸线变化[J].应用海洋学学报,2017,36(4):512-518.