[1]王志勇,王丽华,刘健,等.基于多源中高分辨率遥感数据提取渤海辽东湾海冰要素信息[J].自然灾害学报,2021,30(01):174-182.[doi:10.13577/j.jnd.2021.0118]
 WANG Zhiyong,WANG Lihua,LIU Jian,et al.Extraction of sea ice element information in Liaodong Bay of the Bohai sea based on multi-source medium and high resolution remote sensing data[J].,2021,30(01):174-182.[doi:10.13577/j.jnd.2021.0118]
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基于多源中高分辨率遥感数据提取渤海辽东湾海冰要素信息
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《自然灾害学报》[ISSN:/CN:23-1324/X]

卷:
30
期数:
2021年01期
页码:
174-182
栏目:
出版日期:
2021-02-28

文章信息/Info

Title:
Extraction of sea ice element information in Liaodong Bay of the Bohai sea based on multi-source medium and high resolution remote sensing data
作者:
王志勇12 王丽华1 刘健1 王建1
1. 山东科技大学 测绘科学与工程学院, 山东 青岛 266590;
2. 测绘工程国家级实验教学示范中心(山东科技大学), 山东 青岛 266590
Author(s):
WANG Zhiyong12 WANG Lihua1 LIU Jian1 WANG Jian1
1. College of Geomatics, Shandong University of Science and Technology, Qingdao 266590, China;
2. National Demonstration Center for Experimental Surveying and Mapping Education(Shandong University of Science and Technology), Qingdao 266590, China
关键词:
海冰厚度反演光学遥感海冰分类海冰资源量
Keywords:
sea icethickness inversionoptical remote sensingsea ice classificationsea ice volume
分类号:
P731.15;P715.6;X43
DOI:
10.13577/j.jnd.2021.0118
摘要:
海冰厚度是海冰参数中最为重要和最难获取的参数之一,对海洋灾害预警、气候变化等研究均有重要意义。本文选取2018年1月到3月的10景多源(Sentinel-2、Landsat-8、Landsat-7)中高分辨率影像对渤海辽东湾的海冰进行了监测。基于归一化水体指数进行海陆分割,通过分析海水与海冰光谱特征差异,利用最大似然法监督分类提取海冰区域,运用反照率与海冰厚度之间的经验指数模型反演海冰厚度,将反演结果与Zubov模型计算的冰厚结果进行比较,相关系数为0.884,证明了中高分辨率光学遥感数据在海冰厚度反演中的可行性。同时发挥中高分辨率遥感数据的优势,利用冰厚信息提取海冰类型、估算海冰资源量,为渤海海冰的防灾减灾以及海冰资源利用提供参考。
Abstract:
Sea ice thickness is one of the most important and inaccessible parameters of sea ice, which is of great significance to marine disaster warning and climate change. In this paper, 10 multi-source (Sentinel-2, Landsat-8, Landsat-7) medium and high-resolution images from January to March 2018 are selected to monitor the sea ice in Liaodong Bay of the Bohai Sea. The sea and land segmentation is based on the normalized water body index. By analyzing the spectral characteristics of sea water and sea ice, the sea ice region is extracted by the maximum likelihood method, and the sea ice thickness is inverted by the exponential albedo model. The inversion results are compared with the ice thickness calculated by Zubov empirical model. The correlation coefficient is 0.884, which proves the feasibility of medium high resolution optical remote sensing data in sea ice thickness inversion. At the same time, taking advantage of the medium and high resolution remote sensing data, using ice thickness information to extract sea ice types and estimate sea ice resources, it can provide reference for the prevention and mitigation of sea ice disaster and the utilization of sea ice resources in the Bohai Sea.

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相似文献/References:

[1]孙劭,苏洁,史培军.2010年渤海海冰灾害特征分析[J].自然灾害学报,2011,20(06):087.
 SUN Shao,SU Jie,SHI Pei-jun.Features of sea ice disaster in the Bohai Sea in 2010[J].,2011,20(01):087.
[2]韩素芹,林枚,黎贞发,等.渤海海面冰情变化趋势预测[J].自然灾害学报,2008,17(04):085.
 HAN Su-qin,LIN Mei,LI Zhen-fa,et al.Trend forecast of change of ice situation in surface of Bohai Sea[J].,2008,17(01):085.
[3]武浩,夏芸,许映军,等.2004年以来中国渤海海冰灾害时空特征分析[J].自然灾害学报,2016,25(05):081.[doi:10.13577/j.jnd.2016.0510]
 WU Hao,XIA Yun,XU Yinjun,et al.Analysis of spatiotemporal characteristics of sea ice disaster in the Bohai Sea since 2004[J].,2016,25(01):081.[doi:10.13577/j.jnd.2016.0510]

备注/Memo

备注/Memo:
收稿日期:2020-04-23;改回日期:2020-08-10。
基金项目:国家自然科学基金项目(41876202);山东省自然科学基金项目(ZR2017MD020)
作者简介:王志勇(1978-),男,副教授,博士,硕士生导师,主要从事微波遥感、雷达干涉测量等研究.E-mail:skd994177@sdust.edu.cn
通讯作者:王丽华(1995-),女,硕士研究生,主要从事海冰探测研究.E-mail:1451319865@qq.com
更新日期/Last Update: 1900-01-01