Changes in the Coastline of the Wulan River Delta, Demak regency, Central Java Province during the period 2010-2025 and its Influence on the Expansion of the New Land

The Wulan River Delta in Demak Regency, Central Java Province as the downstream part is a unit of the Wulan River watershed system. The process for the formation of the Wulan River delta is the result of the interaction between the fluvial process in the form of sedimentation carried by the Wulan River and the marine process as the influence of currents, waves, and sea tides. The objectives of the study are (1) to map changes in coastal land in the Wulan River Delta, Demak Regency and the trend in its development direction during the 2020-2025 period. (2)  to examine the effect of changes in the area of the Wulan River Delta on the expansion of new land. The method used is the interpretation of shoreline changes based on Google Earth imagery from 2010 to 2025 and assisted by field checks. The final result is in the form of a map of changes in the coastline of the Wulan River Delta and identification of newly formed land.