IOCAS-IR  > 海洋地质与环境重点实验室
Spatial variations of tidal water level and their impact on the exposure patterns of tidal land on the central Jiangsu coast
Wang Zhenyan1,2; Gao Shu3; Huang Haijun1
2010
Source PublicationACTA OCEANOLOGICA SINICA
Volume29Issue:1Pages:79-87
SubtypeArticle
AbstractThe exposed area of intertidal zone varies with tidal water level changes. If intercomparisons of satellite images are adopted as a method to determine geomorphological changes of the intertidal zone in response to accretion or erosion processes, then the effect of water level variations must be evaluated. In this study, two Landsat TM images overpassing the central Jiangsu coastal waters on 2 January and 7 March 2002, respectively, were treated by the changing detection analysis using Image Differencing and Post-classification Comparison. The simultaneous tide level data from four tide gauge stations along the coast were used for displaying the spatial variations of water levels and determining the elevations of waterlines. The results show that the spatial variations of water levels are highly significant in the central Jiangsu coastal waters. The huge differences of tidal land exposure patterns between the two imaging times are related mainly to the spatial variations of tidal water levels, which are controlled by the differences in tidal phases for different imaging times and the spatial variations of water level over the study area at each imaging time. Under complex tidal conditions, e.g., those of the central Jiangsu coastal waters, the tide-surge model should be used to eliminate effectively the effects of water level variations on remote sensing interpretation of geomorphological changes in the intertidal zone.
KeywordWaterline Water Level Variations Exposure Patterns Central Jiangsu Coast Remote Sensing
DOI10.1007/s13131-010-0010-6
Indexed BySCI
Language英语
WOS IDWOS:000275535100010
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/32861
Collection海洋地质与环境重点实验室
Affiliation1.Chinese Acad Sci, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Nanjing Univ, MOE Key Lab Coast & Isl Dev, Nanjing 210093, Peoples R China
Recommended Citation
GB/T 7714
Wang Zhenyan,Gao Shu,Huang Haijun. Spatial variations of tidal water level and their impact on the exposure patterns of tidal land on the central Jiangsu coast[J]. ACTA OCEANOLOGICA SINICA,2010,29(1):79-87.
APA Wang Zhenyan,Gao Shu,&Huang Haijun.(2010).Spatial variations of tidal water level and their impact on the exposure patterns of tidal land on the central Jiangsu coast.ACTA OCEANOLOGICA SINICA,29(1),79-87.
MLA Wang Zhenyan,et al."Spatial variations of tidal water level and their impact on the exposure patterns of tidal land on the central Jiangsu coast".ACTA OCEANOLOGICA SINICA 29.1(2010):79-87.
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