Numerical Modelling of Ice Floods in the Ning-Meng Reach of the Yellow River Basin (Paperback)

The Ning-Meng reach of the Yellow River basin is located in the Inner Mongolia region at the Northern part of the Yellow River. Due to the special geographical conditions, the river flow direction is towards the North causing the Ning-Meng reach to freeze up every year in wintertime. Both during the freeze-up and break-up period, unfavourable conditions occur which may cause ice jamming and ice dam formation leading to dike breaching and overtopping of the embankment. Throughout history this has often led to considerable casualties and property loss. Enhanced economic development and human activities in the region have altered the characteristics of the ice regime in recent decades, leading to several ice disasters during freezing or breaking-up periods. The integrated water resources management plan developed by the Yellow River Conservancy Commission (YRCC) outlines the requirements for water regulation in the upper Yellow River during ice flood periods. YRCC is developing measures that not only safeguard against ice floods, but also assure the availability of adequate water resources. These provide the overall requirements for developing an ice regime forecasting system including lead-time prediction and required accuracy. In order to develop such a system, numerical modelling of ice floods is an essential component of current research at the YRCC, together with field observations and laboratory experiments. In order to properly model river ice processes it is necessary to adjust the hydrodynamic equations to account for thermodynamic effects. In this research, hydrological and meteorological data from 1950 to 2010 were used to analyse the characteristics of ice regimes in the past. Also, additional field observations were carried out for ice flood model calibration and validation. By combining meteorological forecasting models with statistical models, a medium to short range air temperature forecasting model for the Ning-Meng reach was established. These results were used to improve ice formation modelling and prolong lead-time prediction. The numerical ice flood model developed in this thesis for the Ning-Meng reach allows better forecasting of the ice regime and improved decision support for upstream reservoir regulation and taking appropriate measures for disaster risk reduction.

General

Imprint:	Crc Press
Country of origin:	United Kingdom
Series:	IHE Delft PhD Thesis Series
Release date:	2018
First published:	2018
Authors:	Chunqing Wang
Dimensions:	222 x 241 x 15mm (L x W x T)
Format:	Paperback
Pages:	174
ISBN-13:	978-1-138-48701-7
Categories:	Books > Science & Mathematics > Mathematics > Applied mathematics > Mathematical modelling Books > Earth & environment > Earth sciences > The hydrosphere > General Books > Professional & Technical > Civil engineering, surveying & building > Hydraulic engineering > Flood control Promotions
LSN:	1-138-48701-5
Barcode:	9781138487017

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