1979年以来南黄海辐射沙洲潮滩脊线时空变化研究

doi:10.13249/j.cnki.sgs.2017.10.017

地理科学 ›› 2017, Vol. 37 ›› Issue (10): 1593-1599.doi: 10.13249/j.cnki.sgs.2017.10.017

1979年以来南黄海辐射沙洲潮滩脊线时空变化研究

曹可^1,²(), 李飞^1,²(), 高宁^1,², 张子鹏^1,², 温欣^1,²

1.国家海洋环境监测中心,辽宁大连 116000
2.国家海洋局海域管理技术重点实验室,辽宁大连 116000

收稿日期:2016-11-01 修回日期:2017-02-28 出版日期:2017-10-20 发布日期:2017-10-20
作者简介:
作者简介：曹可（1978-）,男,博士,副研究员,主要从事海域使用动态监测与评价方面的研究。 E-mail:caokecn@163.com
基金资助:
海洋公益性行业科研专项（201405028）资助

Spatial-temporal Analysis of the Tidal Flat Ridge Lines Change of Radial Sandbanks in the South Yellow Sea Since 1979

Ke Cao^1,²(), Fei Li^1,²(), Ning Gao^1,², Zipeng Zhang^1,², Xin Wen^1,²

1.National Marine Environmental Monitoring Center, Dalian 116000, Liaoning, China
2. Key Laboratory of Sea-field Management Techniques, State Oceanic Administration, People's Republic of China, Dalian 116023, Liaoning, China

Received:2016-11-01 Revised:2017-02-28 Online:2017-10-20 Published:2017-10-20
Supported by:
Marine Nonprofit Industry Research Project(201405028)

摘要/Abstract

摘要：

基于遥感和GIS技术,提取了南黄海辐射沙洲1979年、1990年、2002年和2014年4个时期的潮滩脊线,并对时空变化特征进行系统分析。研究显示：① 辐射沙洲潮滩脊线可分为主线和支线2级,滩脊主线为条子泥-高泥-东沙潮滩脊线,支线为滩脊主线两侧分支;② 辐射沙洲潮滩脊线空间组合形态总体稳定,条子泥段滩脊主线总体呈东西向,东沙段滩脊主线总体呈南北向,高泥段滩脊主线连接条子泥和东沙;③ 滩脊线演变呈显著空间分异,条子泥段滩脊主线南向迁移显著,东沙段和高泥段滩脊主线总体向东迁移,迁移距离条子泥段滩脊主线>高泥段、东沙段,条子泥段滩脊主线中部>两侧、东沙段滩脊主线北段>南段,条子泥滩脊支线形态和位置变化均较东沙滩脊支线显著。

关键词: 遥感, 辐射沙洲, 潮滩脊线, 时空变化

Abstract:

The tidal flat ridge line is the typical geomorphic feature line of the tidal flat area in radiation sandbank, and it is important for understanding the temporal and spatial changes of the tidal flat with the analysis of the beach ridge lines changes. Based on remote sensing and GIS technology, the tidal flat ridges of radiation sandbank in 1979, 1990, 2002 and 2014 were extracted, and the spatial-temporal changes were systematically analyzed. The study shows that, the ridge lines of radiation tidal flat can be divided into main line and branch line, the main line of tidal flat ridge is the Tiaozini-Gaoni-Dongsha tidal flat ridge, the branch lines are located on both sides of the main line. The spatial pattern of the tidal flat ridge line is generally stable. The main line of Tiaozini section is generally east-west, Dongsha section is north-south, Gaoni section connects the Tiaozini and Dongsha. The ridge line evolution has significant spatial differentiation, the main line of Tiaozini section migrated southward obviously, Dongsha and Gaoni section mainly migrated eastward. The migration distance of the main tidal flat ridge line showed as Tiaozini section > Gaoni section and Dongsha section, the middle part >both ends in the main line of Tiaozini section, northern > southern in the main line of Dongsha section. The morphological and positional changes of branch lines in Tiaozini were more obvious than that in Dongsha.

Key words: remote sensing, radiation sandbar, tidal flat ridge, spatial-temporal changes

中图分类号:

P748

曹可, 李飞, 高宁, 张子鹏, 温欣. 1979年以来南黄海辐射沙洲潮滩脊线时空变化研究[J]. 地理科学, 2017, 37(10): 1593-1599.

Ke Cao, Fei Li, Ning Gao, Zipeng Zhang, Xin Wen. Spatial-temporal Analysis of the Tidal Flat Ridge Lines Change of Radial Sandbanks in the South Yellow Sea Since 1979[J]. SCIENTIA GEOGRAPHICA SINICA, 2017, 37(10): 1593-1599.

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参考文献 15

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成像日期	空间分辨率	卫星	传感器
1979.09.10	78 m	Landsat-3	MSS
1990.04.15	30 m	Landsat-5	TM
2002.11.10	30 m	Landsat-5	TM
2014.12.13	30 m	Landsat-8	OLI

滩脊支线名称	端点迁移距离（m）、方向
滩脊支线名称	1979~1990年	1990~2002年	2002~2014年	1979~2014年
条北尖子支线	4 169 ←	4 500 →↓	2 601 ↓	5 772 ↓
蒋家沙支线	4 767 →	4 642 →↓	3 080 ←↓	9 039 →↓
			6 312 →↓	14 724 →↓
			12 051 →↓	20 636 →↓
			13 641 →	21 730 →
竹根沙支线	1 430 ←↓	4 164 →↑	5 240 ←↑	3 608 ↑
高泥东支线	3 431 ↓←	1 849 ↑→	4 459 ↑→	2 878 ↑→
高泥西支线	1 304 ↓←	3 969 ↑→	866 ↑→	3 569 ↑→
东沙支线1	1 338 ↑→	6 283 →↓	3 306 ↑←	4 769 →
东沙支线2	1 560 →↓	2 943 ↑→	2 531 ↑←	4 781 ↑→
东沙支线3	528 ↓→	2 907 ↓	765 →↑	3 119 ↓→

1979年以来南黄海辐射沙洲潮滩脊线时空变化研究

Spatial-temporal Analysis of the Tidal Flat Ridge Lines Change of Radial Sandbanks in the South Yellow Sea Since 1979

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