A Modified Muskingum Flow Routing Model for Flood Wave Propagation during River Ice Thawing-Breakup Period

During the period of river ice thawing and breakup process (termed as “ice cover thawing-breakup”), vast amount of water stored in ice-covered river reach will be released comparing to that under open flow condition. The flow routing process during river ice thawing-breakup period will be different...

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Bibliographic Details
Published in:Water resources management 2019-11, Vol.33 (14), p.4865-4878
Main Authors: Yang, Wanlong, Wang, Jun, Sui, Jueyi, Zhang, Fangxiu, Zhang, Baosen
Format: Article
Language:English
Subjects:
Atmospheric Sciences
Breakup
Channel flow
Civil Engineering
Computer simulation
Downstream
Earth and Environmental Science
Earth Sciences
Environment
Flood management
Flood predictions
Flood protection
Flood routing
Flood waves
Floods
Geotechnical Engineering & Applied Earth Sciences
Hydrogeology
Hydrographs
Hydrology
Hydrology/Water Resources
Ice
Ice cover
Inflow
Melting
Moisture content
Outflow
River ice
Rivers
Thawing
Water content
Water inflow
Water outflow
Wave propagation
Winter
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Summary:During the period of river ice thawing and breakup process (termed as “ice cover thawing-breakup”), vast amount of water stored in ice-covered river reach will be released comparing to that under open flow condition. The flow routing process during river ice thawing-breakup period will be different from that under open flow condition, since water stored in and channel from ice thawing-breakup process and flow routing process are very complicated. If the flow routing process during river ice thawing-breakup period can be predicted, it will very important for flood protection in the downstream river reach. In present study, water released from ice cover thawing process is considered as the lateral inflow to the channel flow during propagation process of flood wave from upstream to downstream. A model for the flood routing process during river ice thawing-breakup period has been developed based on the Muskingum hydrologic method. Using the modified Muskingum model, the routed outflow hydrograph has been determined along the Baotou Reach of the Yellow River during river ice thawing-breakup period. Results showed that the simulated hydrographs using developed model agree well with those of field measurements.
ISSN:0920-4741
1573-1650
DOI:10.1007/s11269-019-02412-7