Assessment of Inland Water and Coastal Sea Level Variations and Annual Sea Level Amplitude Using Satellite Altimetry and Tide Gauges PDF Download
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 137
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 137
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Book Description
Author: Ivan D. Haigh
Publisher: Frontiers Media SA
ISBN: 288945150X
Category :
Languages : en
Pages : 176
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Book Description
In June 2015 we held a workshop on the beautiful island of Mallorca, Spain with a focus on sea level variability and change. Over 120 sea level experts from around the world attended this workshop, from a range of different disciplines. The main aims of the workshop were to: 1.) Evaluate the current state-of-knowledge of sea level science; 2.) Identify gaps and unresolved questions in any aspect of sea level science; and 3.) Design future research to address these issue. All aspects of sea level changes were covered, from global to regional, observations and modelling, processes driving mean sea level changes and extremes, from the geological scale to the instrumental era and future projections and including impacts on the coastal zones. This E-Book presents papers that came out of that workshop. Overall, these papers illustrate the multi-disciplinary nature of sea level research, cross-cutting many fields of research including: oceanography, meteorology, geology, coastal morphodynamics, engineering and the social-economic aspects. Collectively, theses articles represent an interesting range of perspectives and original studies that contribute to understanding the dynamic nature of sea level and its impacts across a wide range of time and space scales. Enjoy reading them!
Author: Intergovernmental Panel on Climate Change (IPCC)
Publisher: Cambridge University Press
ISBN: 9781009157971
Category : Science
Languages : en
Pages : 755
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Book Description
The Intergovernmental Panel on Climate Change (IPCC) is the leading international body for assessing the science related to climate change. It provides policymakers with regular assessments of the scientific basis of human-induced climate change, its impacts and future risks, and options for adaptation and mitigation. This IPCC Special Report on the Ocean and Cryosphere in a Changing Climate is the most comprehensive and up-to-date assessment of the observed and projected changes to the ocean and cryosphere and their associated impacts and risks, with a focus on resilience, risk management response options, and adaptation measures, considering both their potential and limitations. It brings together knowledge on physical and biogeochemical changes, the interplay with ecosystem changes, and the implications for human communities. It serves policymakers, decision makers, stakeholders, and all interested parties with unbiased, up-to-date, policy-relevant information. This title is also available as Open Access on Cambridge Core.
Author: K.O. Emery
Publisher: Springer Science & Business Media
ISBN: 1461391016
Category : Science
Languages : en
Pages : 246
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Book Description
Changes in sea level caused by global warming can be disastrous to modern civilization. Therefore, it is important to use accurate and reliable methods to monitor any change. During this century, and, in particular, the last three decades, tide-gauge records have been used to show these changes related to the world's oceans. Aubrey and Emery suggest, however, that tidal gauges should not be used unquestioningly as a benchmark for measuring eustatic sea-level changes. Tectonism, subsidence, ocean current variability, and human activity can, and do, affect the accuracy of these records. Understanding the reasons for changes in land and sea levels is essential for the proper development of coastal regions. The results of this study provide guiding data for scientific, engineering, and policy solutions to coastal flooding. Determining the true causes of relative subsidence, and how to use geological and oceanological controls, will allow us to exist within our natural environment, rather than force nature to conform to our legal and temporary 'remedies.'
Author: Stefano Vignudelli
Publisher: Elsevier
ISBN: 0323985718
Category : Science
Languages : en
Pages : 248
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Book Description
Coastal Altimetry: Selected Case Studies from Asian Shelf Seas provides information on developments over the past decade in the processing of remotely sensed altimetry in coastal areas, with an overview of expected errors and where they stem from, along with remaining gaps in processing. Challenges covered include the retracking of the altimetric signal to account for land contamination, tropospheric water corrections, and tidal model improvements, along with the pros and cons of widely available products. Additional chapters provide recent research in the regional seas of Asia and cover variability, dynamics, predictability and prediction, impacts of extreme events, effects to ecosystems, and more. This book offers readers a dataset that can illuminate our understanding of the propagation of planetary boundary waves that have a significant sea level signal in near coastal regions. As such, researchers and students who have a foundation in satellite altimetry and want to know the latest development of open ocean and coastal satellite altimetry, especially in Asian coastal regions, will benefit from this book. - Presents the advancement of coastal altimetry technologies from various dedicated experts - Includes case studies throughout to give real-life examples that can be implemented globally - Provides chapters that include summaries of key points and an outlook to the future
Author: David Pugh
Publisher: Cambridge University Press
ISBN: 9780521532181
Category : Nature
Languages : en
Pages : 288
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Book Description
Flooding of coastal communities is one of the major causes of environmental disasters world-wide. This textbook explains at a basic level, how sea levels are affected by astronomical tides, by weather effects that generate extreme flooding events, and over the longer term by ocean circulation and climate trends. It also indicates how sea level changes are related to changing risks, coastal dynamics, geology and biology; and outlines some of the economic and legal implications. Based on courses taught by the author in the UK and the USA, this book is aimed at undergraduate students at all levels, with the text developed in such a way that non-basic mathematics is confined to Appendices and a web site (http://publishing.cambridge.org/resources/0521532183/). Changing Sea Levels will also interest and inform professionals in many fields including hydrography, coastal engineering, geology, biology and also coastal planning and economics.
Author: Bruce Douglas
Publisher: Elsevier
ISBN: 0080516793
Category : Science
Languages : en
Pages : 271
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Book Description
Sea Level Rise, History and Consequences includes a special emphasis on the evidence for historical sea level change; case studies are used to demonstrate the resulting consequences. A CD-ROM is included which contain tide gauge data and trends of relative sea level from the Permanent Service for Mean Sea Level. The material on the CD-ROM is either in the form of text files, or web sites that can be opened by widely available web-browsers.Sea level is expected to rise as much as 60-100 centimeters over the next century due to greenhouse-induced global warming -- or at least that is what the some scientists predict. However, the concept of sea level is extremely complex, which makes the prediction of sea level rise anything but certain. The reviewers are in consensus in enthusiastically endorsing this comprehensive book and CD-ROM treatment. This book will be a comprehensive review of the subject using the data themselves (on CD-ROM) to illustrate the principles involved, rather than detailed mathematical treatments. The book should be readily accessible to upper division and first-year graduate students in the environmental sciences, geography, geology, and other interdisciplinary fields. Four pages (up to 16 pages) of color in the printed text.The book will have wide appeal. It will be read by geologists, geophysicists, climatologists, oceanographers, meteorologists, environmental scientists, geomorphologists, coastal engineers, and policy makers in all of these fields.
Author: O. van de Plassche
Publisher: Springer
ISBN: 940094215X
Category : Science
Languages : en
Pages : 631
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Book Description
An editorial by Wanless (1982), entitled "Sea level is rising - so what?", tells the case of an executive editor of a major city newspaper, who, when confronted with evi dence for a recent sea-level rise, replied: "That just means the ocean is six inches deeper, doesn't it?". Whether his "so what?" attitude was real or put on to dike a threat of sensation, there is at present a wide and deepening interest in ongoing and future global sea-level change. This interest has grown along with the concern over global warming due to increasing levels of C02 and trace gases. A stage has been reached where investigators of climat- sea-level relationships call for long-term measurement programmes for ice-volume changes (using satellite altimetry) and changes in temperature and salinity of the oceans (ther mal expansion). This manual, however, is primarily concerned with sea level changes in the past, mainly since the end of the last glaciation. Its major objective is to help answer the ques tion: "how?", which, of course, is little else but to assist in the gathering of fuel for the burning question: "why?" Good fuel, hopefully, for the less smoke and ashes, and the more heat and light produced by that fire, the better scientists are enabled to develop a quantitative under standing of past, and hence of future, sea-level changes on different spatial and temporal scales.
Author: Stefano Vignudelli
Publisher:
ISBN:
Category : Electronic books
Languages : en
Pages : 0
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Book Description
For the last century, tide gauges have been used to measure sea level change along the world,Äôs coastline. However, tide gauges are heterogeneously distributed and sparse in coverage. The measured sea level changes are also affected by solid-Earth geophysics. Since 1992, satellite radar altimetry technique made possible to measure heights at sea independent of land changes. Recently various efforts started to improve the sea level record reprocessing past altimetry missions to create an almost 30¬†year-long combined record for sea level research studies. Moreover, coastal altimetry, i.e. the extension of altimetry into the oceanic coastal zone and its exploitation for looking at climate-scale variations of sea level, has had a steady progress in recent years and has become a recognized mission target for present and future satellite altimeters. Global sea level rise is today well acknowledged. On the opposite, the regional and local patterns are much more complicated to observe and explain. Sea level falls in some places and rises in others, as a consequence of natural cycles and anthropogenic causes. As relative sea level height continues to increase, many coastal cities can have the local elevation closer to the flooding line. It is evident that at land-sea interface a single technique is not enough to de-couple land and sea level changes. Satellite radar altimetry and tide gauges would coincide at coast if land had no vertical motion. By noting this fact, the difference of the two independent measurements is a proxy of land motion. In this chapter, we review recent advances in open ocean and coastal altimetry to measure sea level changes close to the coasts over the satellite radar altimetry era. The various methods to measure sea level trends are discussed, with focus on a more robust inverse method that has been tested in the Northern Adriatic Sea, where Global Positioning System (GPS) data are available to conduct a realistic assessment of uncertainties. The results show that the classical approach of estimating Vertical Land Motion (VLM) provides values that are almost half of those provided by the new Linear Inverse Problem With Constraints (LIPWC) method, in a new formulation which makes use of a change of variable (LIPWCCOV). Moreover, the accuracy of the new VLM estimates is lower when compared to the VLM estimated from GPS measurements. The experimental Sea Level Climate Change Initiative (SLCCI) data set (high resolution along track) coastal sea level product (developed within Climate Change Initiative (CCI project) that has been also assessed in the Gulf of Trieste show that the trends calculated with the gridded and along track datasets exhibit some differences, probably due to the different methodologies used in the generation of the products.
Author: David Pugh
Publisher: Cambridge University Press
ISBN: 1139916335
Category : Science
Languages : en
Pages : 409
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Book Description
Understanding sea-level processes, such as ocean tides, storm surges, tsunamis, El Niño and rises caused by climate change, is key to planning effective coastal defence. Building on David Pugh's classic book Tides, Surges and Mean Sea-Level, this substantially expanded, full-colour book now incorporates major recent technological advances in the areas of satellite altimetry and other geodetic techniques (particularly GPS), tsunami science, measurement of mean sea level and analyses of extreme sea levels. The authors discuss how each surveying and measuring technique complements others in providing an understanding of present-day sea-level change and more reliable forecasts of future changes. Giving the how and the why of sea-level change on timescales from hours to centuries, this authoritative and exciting book is ideal for graduate students and researchers in oceanography, marine engineering, geodesy, marine geology, marine biology and climatology. It will also be of key interest to coastal engineers and governmental policy-makers.
