- Vol 4, No 1 (2017)
STUDY OF SEA LEVEL RISE USING SATELLITE ALTIMETRY DATA IN THE SEA OF DUMAI, RIAU, INDONESIA
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The impact of the climate change and global warming has hit the entire world, particularly the coastal areas such as the Dumai coastal area which is mainly caused by the sea level rise. Sea level rise is one of the important global issue today. It has been caused by ice melting at the poles, climate extreme event, and land subsidence. This increases the vulnerability effect in coastal areas which threatens human life, especially those living in coastal regions. Sea level rise can be forecasted by satellite imagery like ENVISAT, Topex/ Poseidon, Jason1 and Jason2. Sea level rise was calculated using a linear regression. Monitoring of sea level rise in the sea of Dumai was conducted over a period of 21 years (1993-2014) by taking data from 6 stations. The results show that the average sea level rise reaching 5.33 mm/year happened in Dumai. The rate of SLR lies between 4.72 mm/year to 5.66 mm/year. In 2050, Dumai, Riau is predicted to have an additional sea level of 0.19 m, 0.46 m in 2100 and 0.72 m in 2150. based on the predicted results, dumai should prepare plans to mitigate the rising of sea levels.
sea level rise; satellite altimetry; sea level anomaly
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