Morphological Evolution of Sand Spits in Thailand

IF 2 4区 地球科学 Q2 GEOCHEMISTRY & GEOPHYSICS
Cherdvong Saengsupavanich
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引用次数: 4

Abstract

Abstract A sand spit is a deposition of sediments built up and diverging from the coast. The spit can be beneficial or create problems. Understanding and being able to forecast its evolution is the key to maximizing its advantages and minimizing its drawbacks. Along the southern Gulf of Thailand, there are 3 major sand spits, being Laem Talumpuk spit, Laem Sui spit, and Laem Tachi spit. Each individual spit’s evolution was investigated by overlaying satellite images gathered from the U.S. Geological Survey and Google Earth. Five types of equations for their evolution were tested to determine the best-fitting relationships. Although it was found that different spit characteristics followed different types of expression, polynomial equations seemed to provide satisfactory coefficients of determination for all spits in the study. Each individual spit’s length, size, and orientation could be predicted by the derived relationships. Finally, proper spit managements such as dredging, community livelihood adaptation, economic development, and even tourism promotion can be planned.
泰国沙刺的形态演变
摘要沙口是从海岸形成并分叉的沉积物的沉积。随地吐痰可能有益,也可能造成问题。了解并能够预测其演变是最大限度地发挥其优势和最大限度地减少其缺点的关键。泰国湾南部有三个主要的沙口,分别是Laem Talumpuk沙口、Laem Sui沙口和Laem Tachi沙口。通过叠加从美国地质调查局和谷歌地球收集的卫星图像,对每个唾液的进化进行了调查。测试了五种类型的方程的演化,以确定最佳拟合关系。尽管发现不同类型的表达式具有不同的spit特征,但多项式方程似乎为研究中的所有spit提供了令人满意的确定系数。每个唾液的长度、大小和方向都可以通过导出的关系进行预测。最后,可以规划适当的随地吐痰管理,如疏浚、社区生计适应、经济发展,甚至旅游推广。
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来源期刊
Marine Geodesy
Marine Geodesy 地学-地球化学与地球物理
CiteScore
4.10
自引率
6.20%
发文量
27
审稿时长
>12 weeks
期刊介绍: The aim of Marine Geodesy is to stimulate progress in ocean surveys, mapping, and remote sensing by promoting problem-oriented research in the marine and coastal environment. The journal will consider articles on the following topics: topography and mapping; satellite altimetry; bathymetry; positioning; precise navigation; boundary demarcation and determination; tsunamis; plate/tectonics; geoid determination; hydrographic and oceanographic observations; acoustics and space instrumentation; ground truth; system calibration and validation; geographic information systems.
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