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River and Lake Ice Processes—Impacts of Freshwater Ice on Aquatic Ecosystems in a Changing Globe

2019-01-11 Environmental sciences
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Release : 2019-01-11
Genre : Environmental sciences
Kind : eBook
Book Rating : 882/5 ( reviews)

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Book Synopsis River and Lake Ice Processes—Impacts of Freshwater Ice on Aquatic Ecosystems in a Changing Globe by : Karl-Erich Lindenschmidt

Download or read book River and Lake Ice Processes—Impacts of Freshwater Ice on Aquatic Ecosystems in a Changing Globe written by Karl-Erich Lindenschmidt. This book was released on 2019-01-11. Available in PDF, EPUB and Kindle. Book excerpt: 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

River and Lake Ice Processes-Impacts of Freshwater Ice on Aquatic Ecosystems in a Changing Globe

2018 Electronic books
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Release : 2018
Genre : Electronic books
Kind : eBook
Book Rating : 898/5 ( reviews)

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Book Synopsis River and Lake Ice Processes-Impacts of Freshwater Ice on Aquatic Ecosystems in a Changing Globe by : Karl-Erich Lindenschmidt

Download or read book River and Lake Ice Processes-Impacts of Freshwater Ice on Aquatic Ecosystems in a Changing Globe written by Karl-Erich Lindenschmidt. This book was released on 2018. Available in PDF, EPUB and Kindle. Book excerpt: Most freshwater aquatic ecosystems have focused on open-water conditions, during spring, summer, and autumn. Studies in winter during ice-covered conditions are sparse due to the logistic difficulties of sampling during freezing weather and the assumption that these ecosystems are biologically inactive during winter. There is growing evidence, however, that ice conditions can have strong impacts on the flora, fauna, and water quality of freshwater systems, dependent on the severity and duration of the winter season. The magnitude of winter conditions and the duration of the ice-covered period can also set the stage of the biological succession of flora, fauna and water-quality constituents in the subsequent spring and summer seasons (e.g., higher probability of early algal blooms with earlier ice-off dates). Climate change and changes in the type and degree of anthropogenic impacts will also influence the ice regime and hence the ecosystems of northern freshwater systems. This Special Issue provides a venue to report new findings in field-based and modelling research to highlight the importance of the ice regime and ice-induced hydraulic regime of rivers and lakes on their aquatic ecosystems.

Freezing of Lakes and the Evolution of Their Ice Cover

2023-07-05 Science
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Release : 2023-07-05
Genre : Science
Kind : eBook
Book Rating : 050/5 ( reviews)

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Book Synopsis Freezing of Lakes and the Evolution of Their Ice Cover by : Matti Leppäranta

Download or read book Freezing of Lakes and the Evolution of Their Ice Cover written by Matti Leppäranta. This book was released on 2023-07-05. Available in PDF, EPUB and Kindle. Book excerpt: This book updates the first edition for the status of knowledge in the physics of lake ice and the interactions between the ice cover and the liquid water underneath. Since the first edition was written in 2013, there has been a lot of progress in the field, in particular concerning environmental questions and the impact of climate change. Life conditions in ice-covered lakes and practical matters are now brought more into the picture so that the revision also properly serves as a handbook for applications. The author has worked widely with boreal lakes, polar lakes and Central Asian lakes that provides a wide geographical spectrum. Chapter 1 gives a brief overview and presents the research fields. The second chapter contains the classification of ice-covered lakes and observation techniques, especially remote sensing. In Chapter 3, the structure and properties of lake ice are presented including optics and geochemistry. Ice growth and melting are treated in Chapter 4, while the following chapter focuses on ice mechanics with applications to traffic on ice and ice loads. Chapter 6 goes into the exotic environment of pro-glacial lakes. Chapter 7 contains the stratification and circulation of the water body beneath lake ice, Chapter 8 presents the winter ecology of freezing lakes and discusses the lake ice interface toward the society, and Chapter 9 summarizes the climate change impact on lake ice seasons. The book ends into a brief closing chapter and list of references. Research problems for student learning are listed throughout the book. Annexes are included to provide numerical data of constants and standard formulae to help practical calculations and student tasks. Lake ice closely interacts with human living conditions, but people have learnt to live with that and to utilize the ice. In the present time this is true for on-ice traffic and recreation activities. Ice fishing has become a widely enjoyed hobby, and winter sports such as skiing, skating, and ice sailing are popular activities on frozen lakes. The lake ice response to eventual climate warming would appear as a shortening of the ice season due to the increasing air temperature and also as changing of the quality of the ice seasons via changes in ice thickness and structure. The book gives the whole story of lake ice into a single volume. The second, revised edition updates the content based on recent progress in winter limnology and ice physics research and applications. The author has contributed to lake ice research since the 1980s. In particular, his topics have been lake ice structure and thermodynamics, light transfer in ice and snow, ice mechanics in large lakes, and lake ice climatology. Mathematical modeling of ice growth, drift, and decay are covered in this research.

Climate Change Impacts on Freshwater Ecosystems

2011-02-14 Science
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Release : 2011-02-14
Genre : Science
Kind : eBook
Book Rating : 275/5 ( reviews)

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Book Synopsis Climate Change Impacts on Freshwater Ecosystems by : Martin Kernan

Download or read book Climate Change Impacts on Freshwater Ecosystems written by Martin Kernan. This book was released on 2011-02-14. Available in PDF, EPUB and Kindle. Book excerpt: This text examines the impact of climate change on freshwater ecosystems, past, present and future. It especially considers the interactions between climate change and other drivers of change including hydromorphological modification, nutrient loading, acid deposition and contamination by toxic substances using evidence from palaeolimnology, time-series analysis, space-for-time substitution, laboratory and field experiments and process modelling. The book evaluates these processes in relation to extreme events, seasonal changes in ecosystems, trends over decadal-scale time periods, mitigation strategies and ecosystem recovery. The book is also concerned with how aspects of hydrophysical, hydrochemical and ecological change can be used as early indicators of climate change in aquatic ecosystems and it addresses the implications of future climate change for freshwater ecosystem management at the catchment scale. This is an ideal book for the scientific research community, but is also accessible to Masters and senior undergraduate students.

River Ice Breakup

2008 Frazil ice
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Release : 2008
Genre : Frazil ice
Kind : eBook
Book Rating : 506/5 ( reviews)

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Book Synopsis River Ice Breakup by : S. Beltaos

Download or read book River Ice Breakup written by S. Beltaos. This book was released on 2008. Available in PDF, EPUB and Kindle. Book excerpt: The breakup of a river ice cover can be both fascinating and perilous, owing to ever-changing ice conditions and dynamic processes that sometimes lead to extreme flood events caused by ice jams. Though much progress has been made recently in the study of ice jams, less has been achieved on the more general, and more complex, problem of how to predict the entire breakup process, from the first ice movement to the last ice effect on river stage. This type of knowledge is essential to determining when and where ice jam threats may develop and when they may release and generate steep flood waves that can trigger ice runs and jamming further downstream. In turn, such understanding is invaluable to natural hazard reduction, ecosystem conservation and protection, and adaptation to climatic impacts. This book combines the existing information, previously scattered in various journals, conference proceedings, and technical reports. It contains contributions by several authors to achieve a comprehensive and balanced coverage, including qualitative and quantitative descriptions of relevant physical processes, forecasting methods and flood-frequency assessments, as well as ecological impacts and climatic considerations. The book should be of interest to readers of different backgrounds, both beginners and specialists. -- Publisher's website.

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