Kajian Karakteristik Gelombang di Perairan Teluk Batang, Kalimantan Barat Study of Wave Characteristics in the Waters of Batang Bay, West Kalimantan
Abstract
Teluk Batang Port is the economic gateway for the North Kayong Regency region and its surroundings. The port is a national asset of strategic value, so security factors from a shipping perspective need to be considered. This research was conducted to determine the characteristics of waves in the waters of Batang Bay as information in the field of sailing safety. The wind data used ECMWF (European Center For Medium-Range Weather Forecasting) data for wave hindcasting. Wave model simulation using 2D numerical model. The results of the wave model simulation based on the wind season with three observation location points were obtained, the highest Hs in the four seasons occurred at observation point 1. The highest Hs in the west season occurred in 2015 at 0.77 meters and Ts 3 .17 seconds. The highest Hs transition season 1 occurred in 2021 at 0.74 meters and Ts 3.30 seconds. The highest east monsoon Hs occurred in 2018 at 0.57 meters and Ts 2.76 seconds. The highest Hs transition season 2 occurred in 2018 at 0.50 meters and Ts 2.97 seconds. The pattern of wave propagation in Batang Bay, the wave spreads from outside the bay into the bay. In the wave propagation process, the wave height will become smaller due to changes in water depth. The waves in the waters of Batang Bay are safe for sailing throughout the year.
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