The sea ice surrounding Antarctica has increased in extent and concentration from the late 1970s, when satellite-based measurements began, until 2015. Although this increasing trend is modest, it is surprising given the overall warming of the global climate and the region. Indeed, climate models, which incorporate our best understanding of the processes affecting the region, generally simulate a decrease in sea ice. Moreover, sea ice in the Arctic has exhibited pronounced declines over the same period, consistent with global climate model simulations. For these reasons, the behavior of Antarctic sea ice has presented a conundrum for global climate change science. The National Academies of Sciences, Engineering, and Medicine held a workshop in January 2016, to bring together scientists with different sets of expertise and perspectives to further explore potential mechanisms driving the evolution of recent Antarctic sea ice variability and to discuss ways to advance understanding of Antarctic sea ice and its relationship to the broader ocean-climate system. This publication summarizes the presentations and discussions from the workshop. Table of Contents Front Matter Antarctic Sea Ice Variability in the Southern Ocean-Climate System: Proceedings of a Workshop References Appendix A: Statement of Task Appendix B: Definitions of Key Terms Appendix C: Acronyms and Abbreviations Appendix D: Workshop Agenda and Participants Appendix E: Invited Speaker Abstracts Appendix F: Biographical Sketches of Planning Committee Members

2022 WHA Caughey Western History Prize for the most distinguished book on the American West Can a sea be a settler? What if it is a sea that exists only in the form of incongruous, head-scratching contradictions: a wetland in a desert, a wildlife refuge that poisons birds, a body of water in which fish suffocate? Traci Brynne Voyles's history of the Salton Sea examines how settler colonialism restructures physical environments in ways that further Indigenous dispossession, racial capitalism, and degradation of the natural world. In other words, The Settler Sea asks how settler colonialism entraps nature to do settlers' work for them. The Salton Sea, Southern California's largest inland body of water, occupies the space between the lush agricultural farmland of the Imperial Valley and the austere desert called "America's Sahara." The sea sits near the boundary between the United States and Mexico and lies at the often-contested intersections of the sovereign lands of the Torres Martinez Desert Cahuillas and the state of California. Created in 1905, when overflow from the Colorado River combined with a poorly constructed irrigation system to cause the whole river to flow into the desert, this human-maintained body of water is considered a looming environmental disaster. The Salton Sea's very precariousness-existing always in the interstices of human and natural influences, between desert and wetland, between the skyward pull of the sun and the constant inflow of polluted water-is both a symptom and symbol of the larger precariousness of settler relationships to the environment, in the West and beyond. Voyles provides an innovative exploration of the Salton Sea, looking to the ways the sea, its origins, and its role in human life have been vital to the people who call this region home.

Our oceans are in an ecological crisis due to their contamination with millions of tons of toxic microplastic particles. In just a few years, the volume of microplastic particles will exceed that of plankton in our oceans and turn them into a huge sea of plastic. This publication brings together numerous international art projects related to environmental activities, DIY biotechnology, and science, and draws attention to the irreversible destruction of our marine ecosystems - the current threat posed by the loss of marine animal biodiversity, for example, or the decline in oxygen production due to massive plankton loss. It also presents current scientific findings on sustainable alternatives to plastic.

Ever-increasing interest in oceanography and marine biology and their relevance to global environmental issues create a demand for authoritative reviews summarizing the results of recent research. Oceanography and Marine Biology: An Annual Review has catered to this demand since its founding by the late Harold Barnes more than 50 years ago. Its objectives are to consider, annually, the basic areas of marine research, returning to them when appropriate in future volumes; to deal with subjects of special and topical importance; and to add new subjects as they arise. The favourable reception and complimentary reviews accorded to all the volumes shows that the series is fulfilling a very real need. Volume 54 follows closely the objectives and style of the earlier volumes, continuing to regard the marine sciences-with all their various aspects-as a unity. Physical, chemical, and biological aspects of marine science are dealt with by experts actively engaged in these fields. The series is an essential reference text for researchers and students in all fields of marine science and related subjects, and it finds a place in libraries of universities, marine laboratories, research institutes and government departments. It is consistently among the highest ranking series in terms of impact factor in the marine biology category of the citation indices compiled by the Institute for Scientific Information/Web of Science.

Ocean science connects a global community of scientists in many disciplines - physics, chemistry, biology, geology and geophysics. New observational and computational technologies are transforming the ability of scientists to study the global ocean with a more integrated and dynamic approach. This enhanced understanding of the ocean is becoming ever more important in an economically and geopolitically connected world, and contributes vital information to policy and decision makers charged with addressing societal interests in the ocean. Science provides the knowledge necessary to realize the benefits and manage the risks of the ocean. Comprehensive understanding of the global ocean is fundamental to forecasting and managing risks from severe storms, adapting to the impacts of climate change, and managing ocean resources. In the United States, the National Science Foundation (NSF) is the primary funder of the basic research which underlies advances in our understanding of the ocean. Sea Change addresses the strategic investments necessary at NSF to ensure a robust ocean scientific enterprise over the next decade. This survey provides guidance from the ocean sciences community on research and facilities priorities for the coming decade and makes recommendations for funding priorities. Table of Contents Front Matter Summary Introduction 1 21st-Century Achievements in Ocean Science 2 Ocean Science Priorities for 2015-2025 3 The Current Landscape: Alignment of Current Ocean Research Infrastructure with the Decadal Science Priorities 4 The Path Forward: Maintaining Ocean Science in a Constrained Budget Environment Appendix A: Committee and Staff Biographies Appendix B: Presentations at DSOS Committee Meetings Appendix C: Virtual Town Hall Questionnaire Appendix D: Glossary of Terms Appendix E: Acronyms Used in the Report

This book investigates the architectures and characteristics of OUSNs, the mobility models of OUSN nodes, the challenges of message dissemination, and some evaluation indexes of message dissemination. Then, this book provides some message dissemination techniques in OUSNs from the viewpoints of nodes and data messages, respectively. The proposed message dissemination techniques and their conclusions can provide some useful insights to improve the performance of data message dissemination and promote the future applications of OUSNs. Researchers and engineers in the field of underwater sensor networks can benefit from the book.

The book is dedicated to the study and mathematical definition of the biogeochemical patterns of organic and inorganic matter interaction with the marine environment's radioactive and chemical components. This book describes the radioisotope and mineral exchange theory between organic and inorganic matters in the marine environment on a time scale of metabolic processes and trophic interactions. The approach is parametrically compatible with modern techniques describing the matter and energy balance in aquatic ecosystems. The criteria for assessing the ecological capacity, biogeocenoses assimilation capacity, and water masses radio capacity, which form the basis of the theory of radioisotope and mineral homeostasis of marine ecosystems, are substantiated. This book presents methods to implement sustainable development of the Black Sea's critical and recreational zones according to the marine pollution factors. This book does that by regulating the balance between the consumption of water quality resources and their reproduction as a result of natural biogeochemical processes are proposed. The book is of interest to scientists working in marine geology, marine ecology, biogeophysics, and biogeochemistry. This book is also necessary for professionals working in institutions and administrations coordinating maritime activities, environmental projects, and developing aquaculture technologies.

A "New York Times "Notable Book
A "San Francisco Chronicle "Best Book of the Year
In her astonishing new book Susan Casey captures colossal, ship-swallowing waves, and the surfers and scientists who seek them out.
For legendary surfer Laird Hamilton, hundred foot waves represent the ultimate challenge. As Susan Casey travels the globe, hunting these monsters of the ocean with Hamilton's crew, she witnesses first-hand the life or death stakes, the glory, and the mystery of impossibly mammoth waves. Yet for the scientists who study them, these waves represent something truly scary brewing in the planet's waters. With inexorable verve, "The Wave "brilliantly portrays human beings confronting nature at its most ferocious.

The oceans exert a vital moderating influence on the Earth's climate system. They provide inertia to the global climate, essentially acting as the pacemaker of climate variability and change, and they provide heat to high latitudes, keeping them habitable. "Climate and the Oceans" offers a short, self-contained introduction to the subject. This illustrated primer begins by briefly describing the world's climate system and ocean circulation and goes on to explain the important ways that the oceans influence climate. Topics covered include the oceans' effects on the seasons, heat transport between equator and pole, climate variability, and global warming. The book also features a glossary of terms, suggestions for further reading, and easy-to-follow mathematical treatments.

"Climate and the Oceans" is the first place to turn to get the essential facts about this crucial aspect of the Earth's climate system. Ideal for students and nonspecialists alike, this primer offers the most concise and up-to-date overview of the subject available.The best primer on the oceans and climate Succinct and self-contained Accessible to students and nonspecialists Serves as a bridge to more advanced material

The only book that offers a comprehensive and fully up-to-date coverage of hydroacoustic ocean exploration, this work deals with the diagnostics of non-uniformities in a water medium using the hydroacoustic parametric antenna. The non-uniformities of the water medium in the study are of geometrically regular shape, i.e., the shape of a sphere, a cylinder, and a spheroid. An account is given of theoretical and experimental studies of wave processes that occur in the event of the scattering of non-linearly interacting acoustic waves at a sphere, a cylinder, and a spheroid. Scattering problems are formulated; solutions to the inhomogeneous wave equation are found in the first and second approximations using the successive approximations method. For the first time, high-frequency asymptotic expressions of acoustic pressure for all spectral components of the secondary field are obtained for the nonlinear scattering problem. The scattering diagrams are calculated and plotted, and then analyzed and compared. Results of experimental studies of the parametric acoustic antenna field scattering at solid steel spheres are presented. Experimental scattering diagrams both for the parametric antenna pump waves and for the secondary field waves including the difference frequency wave, the sum frequency wave, and the second harmonic wave are presented. 3D modeling of wave processes is also considered. A must have for researchers and specialists in nonlinear hydroacoustics and ocean acoustics; it also may be of use for postgraduates and students specializing in hydroacoustics and ocean exploration.

Identifying Marine Phytoplankton is an accurate and authoritative guide to the identification of marine diatoms and dinoflagellates, meant to be used with tools as simple as a light microscope. The book compiles the latest taxonomic names, an extensive bibliography (referencing historical as well as up-to-date literature), synthesis and criteria in one indispensable source. Techniques for preparing samples and containing are included as well as hundreds of detailed, helpful information. Identifying Marine Phytoplankton is a combined paperback edition made available by popular demand of two influential books published earlier--Marine Phytoplankton and Identifying Marine Diatoms and Dinoflagellates.
Key Features
* Contains hundreds of illustrations showing critical characteristics necessary for proper identification, plus keys and other guides
* Provides up-to-date taxonomic revisions
* Includes species from around the world
* Updates synthesis of modern and historical literature presented by active researchers in the field
* Compiles literature from around the world into one handy source

This book presents the biodiversity of the Brazilian deep-sea and its many unique geological and biological features, as well as a review of its ecology, conservation, and future research needs. The deep-sea Brazilian margin has an incredible geological heterogeneity with numerous characteristic seafloor features, and latitudinal changes in marine productivity, oceanographic conditions and biological communities have resulted in very distinct biological assemblages at regional and bathymetric scales. It is a tremendously rich ecosystem in terms of living species, from which many well-known historical tales have originated, and with unique importance for the global climate and humanity. Nevertheless, vast areas of the Brazilian margin have been explored for fishing, oil and gas, and other commodities, likely impacting a variety of deep-sea habitats at scales and intensities yet undetermined. This book is intended for students, scholars, professionals and a wide audience interested in the deep-sea in general and, more specifically, in the South Atlantic deep-sea.

Among the most important reasons that artificial reefs have been created are the protection of the seabed with macroalgae, the possibility of improving fishing, and meeting the expectations and demands of tourists. Coastal managers have realized that it is important that artificial reefs are useful to people, especially local communities, and that it is therefore important that they are promoted by government entities for various professional and leisure activity use. Coastal managers must take this into consideration when reefs are designed. They must also define the ecosystem services they promote as well as the main uses for which the reefs are created. Impact of Artificial Reefs on the Environment and Communities presents insights on the connection between artificial reefs and the tourism industry in order to encourage the sharing of experiences and development of new innovative possibilities that create value for society. It presents the experiences, testimonies, and innovations of those who work closely with artificial reefs. Covering topics such as computational fluid dynamics, dive tourism, and Industry 4.0, this book is an essential resource for entrepreneurs, researchers, students and educators of higher education, coastal managers, government officials, leaders in tourism, engineers, and academicians.