Advances in Hydrological Processes – serie
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6 produkter
6 produkter
Häftad, Engelska, 2000
2 638 kr
Skickas inom 11-20 vardagar
This book deals with the technical problems encountered in hydrological applications of GIS, at scales ranging from the catchment to short river reaches and on a wide range of hydrological processes in both pure and applied contexts.
Del 2 - Advances in Hydrological Processes
Scale Issues in Hydrological Modelling
Häftad, Engelska, 1995
4 321 kr
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There is a growing need for appropriate models which address the management of land and water resources and ecosystems at large space and time scales. Theories of non-linear hydrological processes must be extrapolated to large-scale, three-dimensional natural systems such as drainage basins, flood plains and wetlands. This book reports on recent progress in research on scale issues in hydrological modelling. It brings together 27 papers from two special issues of the journal Hydrological Processes. The book makes a significant contribution towards developing research strategies for linking model parameterisations across a range of temporal and spatial scales. The papers selected for this book reflect the tremendous advances which have been made in research into scale issues in hydrological modelling during the last ten years.
Del 4 - Advances in Hydrological Processes
Distributed Hydrological Modelling
Applications of the Topmodel Concept
Häftad, Engelska, 1997
2 149 kr
Skickas inom 5-8 vardagar
The current popularity of the rainfall-runoff model Topmodel is a direct result of the widespread availability of catchment GIS systems and particularly of digital terrain maps. Water flows downhill, therefore topography must be hydrologically significant, therefore how can the digital terrain data be used in hydrological modelling to improve the realism of the predictions? There are not many choices available: Topmodel is one of them but the concepts on which it is based will not be applicable everywhere (see some of the papers in this volume). Indeed, one of the most important aspects of the use of Topmodel is the possibility of mapping the simulations back into space so that the distributed predictions can be compared with field observations. The experiences reported here in applications from around the world represent an excellent summary of the success and limitations of the concepts in a wide variety of environments. Topmodel was never intended to be a fixed model structure but rather a set of concepts that could be modified if required. As such it is important that the experiences of other uses can be gathered together and passed on.
Häftad, Engelska, 1997
1 988 kr
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Water is, perhaps, the single most important substance on earth. It forms the basis for life as we know it. Organisms, including human beings, can only survive if there is an adequate supply of water available. In addition, the water must be of the proper quality to support life. The living world has evolved and adjusted over hundreds of millions of years to the variation in the natural distribution and chemical composition of water at the earth's surface. Water Quality Trends and Geochemical Mass Balance provides an overview of the tracking of water quality changes, through both trend analysis and geochemical mass balances. This volume will serve to extend our understanding of those processes and encourage innovative applications of these data analysis techniques for the study of environmental systems. Also, one should not discount the continuing need for quality environmental monitoring data to provide the basic building blocks used for the trend and mass balance assessments presented herein.
Häftad, Engelska, 1998
2 485 kr
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The last decade has been a period of rapid advances in glacier hydrology and hydrochemistry. These have resulted from the application of new technologies to the direct observation of englacial and subglacial drainage systems via boreholes, from theoretical advances and from increased interactions between fieldworkers and modellers. This collection of papers captures the spirit of these advances highlighting new methodologies, the change in character of hydrological models from lumped conceptual models to physically based, distributed models, and the changing role of field studies in glacier hydrological investigations. Major themes identified in the book are: approaches to defining the structure of drainage systems in cold and temperate glaciers; investigations of the linkages between surface and subsurface components of these systems, and of hydraulic interactions between different elements of subglacial systems; seasonal changes in drainage system properties at local and glacier wide scales; controls on meltwater quality; the integration of field and modelling studies; and problems of scaling up results from studies of valley glaciers to the ice sheet scale.
Del 3 - Advances in Hydrological Processes
High Resolution Flow Modelling in Hydrology and Geomorphology
Häftad, Engelska, 2000
1 910 kr
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Looks at exciting developments in sophisticated numerical analysis techniques in the environmental sciences illustrating the application scope for such techniques.High resolution hydraulic modelling is becoming accepted as a standard research methodology by hydrologists, geomorphologists and engineers. As a consequence of the development of process understanding, numerical analysis techniques and computer power, there is now enormous potential to connect complex flow processes to the landforms they create in a rigorous, quantitative manner that has not hitherto, been possible.This volume provides an integrated coverage of this topic, outlining major research developments that have taken place. It begins with an introductory chapter on hydraulic theory, and then concentrates on high dimensional and high resolution approaches, detailing current research debates in hydraulic modelling. There is comprehensive coverage of application scope for such techniques including flow development, sediment transport, pollutant transport, catchment hydrology and landform development.This readable and accessible book provides an introduction to geomorphology students attempting to familiarise themselves with these exciting developments and also gives researchers invaluable articles illustrating the scope for high resolution hydraulic modelling and the fundamental scientific and philosophical problems raised.