River Ice Processes And Ice Flood Forecasting
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Author | : Karl-Erich Lindenschmidt |
Publisher | : Springer Nature |
Total Pages | : 267 |
Release | : 2019-09-25 |
Genre | : Technology & Engineering |
ISBN | : 3030286797 |
This book exposes practitioners and students to the theory and application of river and lake ice processes to gain a better understanding of these processes for modelling and forecasting. It focuses on the following processes of the surface water ice: freeze-up, ice cover thickening, ice cover breakup and ice jamming. The reader will receive a fundamental understanding of the physical processes of each component and how they are applied in monitoring and modelling ice covers during the winter season and forecasting ice floods. Exercises accompany each component to reinforce the theoretical principles learned. These exercises will also expose the reader to different tools to process data, such a space-borne remote sensing imagery for ice cover classification. A thread supporting numerical modelling of river ice and lake ice processes runs through the book.
Author | : S. Beltaos |
Publisher | : Water Resources Publication |
Total Pages | : 402 |
Release | : 1995 |
Genre | : Nature |
ISBN | : 9780918334879 |
Author | : S. Beltaos |
Publisher | : |
Total Pages | : 10 |
Release | : 1980 |
Genre | : Flood forecasting |
ISBN | : |
Author | : Qizhong Guo |
Publisher | : |
Total Pages | : 93 |
Release | : 1989 |
Genre | : Floods |
ISBN | : |
Author | : A. M. Wasantha Lal |
Publisher | : |
Total Pages | : 92 |
Release | : 1993 |
Genre | : Hydraulic models |
ISBN | : |
Author | : Karl-Erich Lindenschmidt |
Publisher | : MDPI |
Total Pages | : 211 |
Release | : 2019-01-11 |
Genre | : Environmental sciences |
ISBN | : 3038973882 |
This book is a printed edition of the Special Issue "River and Lake Ice Processes—Impacts of Freshwater Ice on Aquatic Ecosystems in a Changing Globe" that was published in Water
Author | : Andrew M. Tuthill |
Publisher | : |
Total Pages | : 36 |
Release | : 1999 |
Genre | : Ice on rivers, lakes, etc |
ISBN | : |
This report describes flow-control methods for reducing ice problems in rivers. Objectives include reducing ice interference with winter hydroelectric production and navigation, ice jam flood mitigation, as well as ensuring minimum winter flows for fish and water supply. The winter season is divided into three periods. During early winter, the main objective of flow control is to promote the rapid formation of a smooth, stable ice cover. For the midwinter period, the aim of the river regulation is to maintain an intact ice cover and avoid premature ice breakup. During the final winter period, the goal is to minimize adverse effects of ice breakup. Examples illustrate the methods and objectives, emphasizing innovative approaches. Available flow regulation planning tools are described and valuable research directions identified.
Author | : R. Gerard |
Publisher | : |
Total Pages | : |
Release | : 1988 |
Genre | : Flood forecasting |
ISBN | : |
Primary objective of the first phase was to identify and assess processes that precede flooding in Hay River and to propose a flood forecast procedure. Six major components of the study: review and analysis of historical ice jam flood data; field surveys of the delta channels and nearshore lake bathymetry; field observations of the delta ice regime; calibration of an algorithm for calculating water level profiles through an ice jam; and based on the results of these, development of a first-generation flood forecast procedure for three salient locations within the delta.
Author | : Qizhong Guo |
Publisher | : |
Total Pages | : 350 |
Release | : 1991 |
Genre | : Floods |
ISBN | : |
Author | : Chunqing Wang |
Publisher | : CRC Press |
Total Pages | : 242 |
Release | : 2018-01-29 |
Genre | : Science |
ISBN | : 1351042327 |
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.