Proposing water balance method for water availability estimation in Indonesian regional spatial planning

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3 Citations (Scopus)

Abstract

The water availability (WA) of a region is one of important consideration in both the formulation of spatial plans and the evaluation of the effectiveness of actual land use in providing sustainable water resources. Information on land-water needs vis-a-vis their availability in a region determines the state of the surplus or deficit to inform effective land use utilization. How to calculate water availability have been described in the Guideline in Determining the Carrying Capacity of the Environment in Regional Spatial Planning. However, the method of determining the supply and demand of water on these guidelines is debatable since the determination of WA in this guideline used a rational method. The rational method is developed the basis for storm drain design practice and it is essentially a peak discharge method peak discharge calculation method. This paper review the literature in methods of water availability estimation which is described descriptively, and present arguments to claim that water balance method is a more fundamental and appropriate tool in water availability estimation. A better water availability estimation method would serve to improve the practice in preparing formulations of Regional Spatial Plan (RSP) as well as evaluating land use capacity in providing sustainable water resources.

Original languageEnglish
Article number012073
JournalIOP Conference Series: Earth and Environmental Science
Volume106
Issue number1
DOIs
Publication statusPublished - 31 Jan 2018
Event4th International Seminar on Sustainable Urban Development, ISoSUD 2017 - Jakarta, India
Duration: 9 Aug 201710 Aug 2017

Keywords

  • hydrological model
  • regional spatial plan
  • spatial and temporal variability
  • water availability
  • water balance

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