The trend of rainfall, discharge, and land cover of Kaligarang Watershed, Central Java, Indonesia

Abstract Rainfall is one of the factors affecting stream water discharge and flooding. The high amount intensity rainfall frequently cause downstream In this regard, a study with purpose to know trend rainfall, discharge, land cover Kaligarang or Garang Watershed was conducted. located in Central Java, Indonesia. Secondary data were collected from published papers related institutions. Land derived Landsat images. A regression analysis conducted observe maximum peak discharge. simple between time within corresponding year. results showed that daily 1972-1980 tended increase. Maximum 1981 1990 slightly decrease, however, extreme occurred 1990. Compared 1972-1980, period 1991-2010 lower. 1961-1970 conversely, starting 1971 2017, reduction dryland forest plantation observed every decade 1990, contrast, settlement increased 138% 2020.