Distribution analysis of coral reefs for development of marine tourism in Weh Island, Aceh, Indonesia

Coral reefs are a coastal ecosystem with enormous potential for both marine and human life. The distribution of
coral reefs provides the greatest benefits for marine tourism activities. Still, marine tourism has a very large effect
on the development of coral reef distribution, while development of marine tourism is an industry that is currently
growing very rapidly. This study analyzes the distribution of coral reefs for developing marine tourism in Pulau
Weh (Sabang). This study uses Landsat 8 OLI image data and field observations. Image processing methods
consist of geometric, radiometric, atmospheric, and water column correction (Lyzenga). The technique used in
this research is the image data analysis technique using multispectral classification. The results showed that the
coral reefs on Weh Island (Sabang) in 2020 amounted to 13,136,000 Ha (63.92%). Coral reef damage on Pulau
Weh (Sabang) was caused by two factors, namely artificial factors (human activities) and natural factors. Artificial
factors (human activities) include diving, snorkeling, ship waste disposal, café buildings, and fishing. Meanwhile,
nature is a high sea surface temperature, which is 29,910C. To overcome the damage to coral reefs caused by
human activities in the development of marine tourism, it is necessary to create marine tourism zones to maintain
the sustainability of coral reef ecosystems, given the very small growth of coral reefs every year.