Preprint Article Version 1 This version is not peer-reviewed

Improving Reservoir Operation Criteria to Stabilize Water Supplies in a Multi-Purpose Dam

Version 1 : Received: 6 August 2018 / Approved: 6 August 2018 / Online: 6 August 2018 (14:05:54 CEST)

A peer-reviewed article of this Preprint also exists.

Kim, J.; Park, J.; Jang, S.; Kim, H.; Kang, H. Improving Reservoir Operation Criteria to Stabilize Water Supplies in a Multipurpose Dam: Focused on Nakdong River Basin in Korea. Water 2018, 10, 1236. Kim, J.; Park, J.; Jang, S.; Kim, H.; Kang, H. Improving Reservoir Operation Criteria to Stabilize Water Supplies in a Multipurpose Dam: Focused on Nakdong River Basin in Korea. Water 2018, 10, 1236.

Journal reference: Water 2018, 10, 1236
DOI: 10.3390/w10091236

Abstract

Recently, torrential rain and drought have occurred in close temporal proximity and for similar durations due to changes in the spatiotemporal patterns of rainfall owing to climate change. In particular, when a drought occurs, it tends to be prolonged, making it necessary to improve the operation of multi-purpose dams that not only control flooding but also serve as water supplies. In this study, standard water volume lines and action plans by response stage were improved so that water could be stored in advance of a drought instead of reservoir operation criteria set based on data from the past. The minimum water demand by use (domestic water, industrial water, and agricultural water) was also calculated. The improved reservoir operation criteria were applied to multi-purpose dams in the Nakdong River Basin, and their effects were analyzed by calculating additionally secured water volumes. In the future, in case of lowered water volumes in multi-purpose dams owing to a drought, the application of these improved reservoir operation criteria is expected to contribute to water supply stability by delaying entry into the drought stage, and minimizing the damages caused by limited water supplies.

Subject Areas

drought; multi-purpose dam; water supply; reservoir operation criteria; standard water volume lines

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