Analysis of shoreline changes on the northeast coast of Nunukan Island, Nunukan Regency, North Kalimantan Province

This study aimed to analyze changes in the coastline Northeast of Nunukan Island, North Kalimantan Province and determine area Province, which experienced coastline. research was conducted February - March 2022 on Coast Province. The type data collected is satellite imagery for last 6 years, 2017-2022. Data were analyzed using GIS software with cropping, radiometric correction, geometric image enhancement, shoreline digitization overlay methods. results showed that rate change eastern Island 2017 13,457.91 m long, 2018 14,266.82 2019 14,787.25 2020 14,762.21 2021 15,369.23 it 15,968.22 m. has a namely covering an 21.70 ha, 22.27 23.34 23.74 24 .26 ha will be 32.82 ha. concludes changed significantly from 2022.