Using value engineering to optimize flood forecasting and flood warning systems: Golestan and Golabdare watersheds in Iran as case studies |
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| Authors: | Babak Omidvar Hanieh Khodaei |
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| Institution: | (1) Natural Disaster Engineering Department, Graduate Faculty of Environment, University of Tehran, P.O. Box 14155-6135, Tehran, Iran;(2) Natural Disaster Management, Graduate Faculty of Environment, University of Tehran, Tehran, Iran |
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| Abstract: | Flood occurrence has always been one of the most important natural phenomena, which is often associated with disaster. Consequently,
flood forecasting (FF) and flood warning (FW) systems, as the most efficient non-structural measures in reducing flood loss
and damage, are of prime importance. These systems are low cost and the time required for their implementation is relatively
short. It is emphasized that for designing the components of these systems for various rivers, climatic conditions and geographical
settings different methods are required. One of the major difficulties during implementing these systems in different projects
is the fact that sometimes the main functions of these systems are ignored. Based on a systematic and practical approach and
considering the components of these systems, it would be possible to extract the most essential key functions of the system
and save time, effort and money by this way. For instance, in a small watershed with low concentration and small lead time,
the main emphasis should be on predicting and monitoring weather conditions. In this article, different components of flood
forecasting and flood warning systems have been introduced. Then analysis of the FF and FW system functions has been undertaken
based on the value engineering (VE) technique. Utilizing a functional view based on function analysis system technique (FAST),
the total trend of FF and FW functions has been identified. The systematic trend and holistic view of this technique have
been used in optimizing FF and FW systems of the Golestan province and Golabdare watersheds in Iran as the case studies. |
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| Keywords: | Flood forecasting Flood detection Flood warning system Flood risk management Value engineering |
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