Abstract
Using satellite images taken on different dates, GIS analysis of aerial photos, bathymetric maps and other field survey data, tidal troughs and major sand ridges in the northern Jiangsu coastal area were contrasted. The results show that there have been three types of movement or migration of tidal trough in this area: (1) Periodic and restricted, this type of trough usually developed along the beaches with immobile gully head as a result of the artificial dams and the swing range increased from gully head to the low reaches, so they have been obviously impacted by human activity and have longer swing periods; (2) Periodic and actively, this kind of trough, which swung with a fast rate and moved periodically on sand ridges, were mainly controlled by the swings of the host tidal troughs and hydrodynamic forces upon tidal sand ridge and influenced slightly by human constructions; (3) Steadily and slowly, they are the main tidal troughs with large scale and a steady orientation in this area and have slow lateral movement. The differences in migration mode of tidal trough shift result in different rates of migration and impact upon tidal sand ridges. Lateral accumulation on current tidal trough and deposition on abandoned tidal troughs are the two types of sedimentation of the tidal sand ridges formation. The whole radial sand ridge was generally prone to division and retreat although sand ridges fluctuated by the analysis of changes in talwegs of tidal troughs and shorelines of sand ridges.
Article PDF
Similar content being viewed by others
Avoid common mistakes on your manuscript.
References
Huang H J, Li C Z. 1998. A study on the present evolution of submarine radial sand ridges in the southern Yellow Sea using remote sensing images. Oceanologia et Limnologia Sinica, 29(6): 640–645. (in Chinese with English abstract)
Huang H J, He Y J. 2001. Monitoring the diffusion of suspended sediments and stability of tidal radial sand ridges area using multi-satellite remote sensing data in the northern part of the Changjiang River Delta, the South Yellow Sea. Chinese Journal of Oceanology and Limnology, 19(4): 289–295.
Huang H J, Wang Z Y, Zhang R S. 2002. The error analysis of the methods of monitoring the beach changes using digital photogrammetry, satellite images and GIS. Mar. Sci., 26(3): 8–10. (in Chinese with English abstract)
Li C X, Zhang J Q, Fan D D, Deng B. 2001. Holocene regression and the tidal radial sand ridge system formation in the Jiangsu coastal zone, east China. Mar. Geol., 173: 97–120.
Li C Z, Li B C. 1981. Studies on the formation of Subei sand cays. Oceanologia et Limnologia Sinica, 12(4): 321–331. (in Chinese with English abstract)
Liu Y X, Zhang R S, Li M C. 2004. Dynamic change of radial sand ridges in coast of Jiangsu Province-a case study in Dongsha Sandbank. Scientia Geographica Sinica, 24(2): 199–204. (in Chinese)
Wang Y P, Zhang R S, Gao S. 1999. Geomorphic and hydrodynamic responses in salt marsh-tidal creek systems, Jiangsu, China. Chinese Science Bulletin, 44(6): 544–549.
Wang Y, Zhu D K, Yu K Y. 1999. Evolution of radial sand ridge field of the South Yellow Sea and its sedimentary characteristics. Science in China (Series D: Earth Sciences), 42: 97–112.
Wu D A, Zhang R S. 2007. Analysis on the suspended sediment transport and vertical distribution in Chenjiawu tidal channel. Journal of Sediment Research, 2: 42–48. (in Chinese)
Yang Y, Wang Y P, Gao S. 2003. Hydrodynamic processes and suspended sediment transport in the salt-marsh creeks, Wanggang, Jiangsu. Marine Geology & Quaternary Geology, 23(4): 23–28. (in Chinese)
Zhang C K, Zhang D S, Zhang J L et al. 1999. Tidal current-induced formation-storm-induced change-tidal current-induced recovery. Science in China (Series D: Earth Sciences), 42(1): 1–12.
Zhang R S, Chen C J, He H M et al. 1992. Evolution of Jiangsu Offshore Banks (Radial Offshore Tide Sands) and Probability of the Tiaozini Sands Merged into the Mainland. Ocean Press, Beijing, China, pp. 124. (in Chinese)
Zhu D K, Fu M Z. 1986. A Preliminary Research on the Radial Offshore Sand Ridges in Jiangsu Province Coast. In: An Integrated Investigation on the Dongsha Sand Ridge in Jiangsu Province. Ocean Press, Beijing, China. p. 28–32. (in Chinese)
Author information
Authors and Affiliations
Corresponding author
Additional information
Supported by the National Basic Research Program of China (973 Program) (Nos. 40176021, 40676037 and 40706027).
Rights and permissions
About this article
Cite this article
Huang, H., Du, T. & Gao, A. Modern changes of tidal troughs among the radial sand ridges in northern Jiangsu coastal zone. Chin. J. Ocean. Limnol. 27, 658–666 (2009). https://doi.org/10.1007/s00343-009-9192-1
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s00343-009-9192-1