Assessment of Sea Level and Morphological Changes along the Eastern Coast of Bangladesh

Bangladesh is one of the climate risk-prone countries in South Asia facing tremendous challenges to combat sea-level rise and its associated coastal morphological changes. This study aimed determine interaction changes, particularly at Cox’s Bazar Kutubdia Island along eastern coast Bangladesh. Available hourly tide gauge data, daily temperature, rainfall 15 LANDSAT satellite images for period 1983–2016 were analyzed examine sea level shore change phenomenon. First, we identified historical nonlinear trend using Hilbert-Huang Transformation (HHT) based on complete ensemble empirical mode decomposition (CEEMD) technique. We divided into three distinct periods 1983–1993, 1993–2003, 2003–2014 analysis. The revealed that east had a moderate rising during slight decrease steep 2003–2014. also observed within particular impacted after approximately two years, such average 1993–2003 might have affected morphology 1996–2005. Alarming erosion was found 2005–2016 compared previous 1989–1996 1996–2005 both Island. some segments substantially due geometric shape land, significant waves, protection works. encourages policymakers minimize threats ensure sustainable management strategies are introduced sustain vital