Abstract
Banguntapan District in Bantul Regency is one of the peri-urban areas in the Special Region of Yogyakarta. The peri-urban area is an area located between the urban (Jogja City) and the rural (Bantul Regency). As a result of this strategic location, the development of this district is very rapidly marked by the growth of settlements, which in turn further requires water for housing purposes.The purpose of this research is to formulate an integrated water resources management model in the study area. To achieve this goal dynamic modeling is used. The model obtained was then simulated using the Powersim 2.5c computer program. Management efforts that can be carried out in this district are reducing groundwater use through saving water use and increasing water use from local water companies. Simulation results show that the combination of these two methods will slow down the time the safe yield will be exceeded, from 2039 to 2049.
Highlights
Water is one of the important natural resources for humans and other living things on earth
It is expected that the availability of water resources in accordance with the demand and requirements is sufficient in quantity, both in quality and always available at all times
Because Banguntapan District is located at latitude 7o49'29 "LS, it refers to the table of mean possible duration of sun light in the Northern and Southern hemispheres expressed in units of 30 days of 12 hours each, the factor f is 1.0222416663 so Ep = 1,0222416663 x 136.73 = 139.79 mm month
Summary
Water is one of the important natural resources for humans and other living things on earth. There might not be life on this earth. Problems arise when precisely with the advancement of civilization problems relating to water are increasing. Drought and water pollution are some of the problems that often occur. It is expected that the availability of water resources in accordance with the demand and requirements is sufficient in quantity, both in quality and always available at all times. Groundwater is one of the most important forms of water resources [1]. Even according to [2], groundwater is one of the natural resources that plays a very important role in supporting human health, economic growth and biodiversity. The availability of groundwater is unlimited, because it is controlled by the geological conditions of an area [3, 4]
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