The Dynamics of Sea Surface Height and Geostrophic Current in the Arafura Sea

2nd International Conference on Tropical and Coastal Region Eco Development 2016

地球科学;生态环境科学

Umaroh^1,2 ; Anggoro, Sutrisno^1 ; Muslim^1

Department of Marine Sciences, Faculty of Fisheries and Marine Sciences, Diponegoro University, Jl. Prof. H. Soedharto, SH, Tembalang Semarang

50275, Indonesia^1

Indonesian Agency for Meteorological Climatological and Geophysics, Indonesia^2

关键词: Down-welling;    eddy;    Geostrophic currents;    Sea surface height;    upwelling;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/55/1/012046/pdf
DOI  :  10.1088/1755-1315/55/1/012046

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

The aim of this research is to analyze the dynamics of sea surface height and geostrophic current in relation to upwelling and downwelling phenomenon. The climatic factor such as monsoon are also calculated to understand dynamic of all parameters. The location of this research is in the waters of Arafura Sea waters. The data used in this research include sea surface height anomaly and geostrophic current. The method used in this research is done by analyzing the relation of sea surface height and geostrophic current with the eddy current flow. Spatial and temporal analysis using Surfer will be used in this research to visualize the parameters. The result showed that the upwelling (downwelling) phenomenon occurs when the geostrophic current rotate with the cyclonic (anticyclonic) flow followed by higher (lower) sea surface height. The upwelling event mostly occurred during the Southeast Monsoon and downwelling event mostly occurred during Second Transitional Monsoon until Northwest Monsoon.