This volume offers a treatment of radiative transfer theory in a format tailored to the specific needs of optical oceanography, with applications to real problems. It develops the basic theory and reviews the current literature. Numerical methods for solving radiative transfer equations are then detailed, with equations describing transpectral effects, internal surfaces, and surface effects. Equations governing the propagation of visible light across air-water surfaces and within water bodies are also explained.
An examination of the lingering effects of a hydroelectric power station on Pimicikamak sovereign territory in Manitoba, Canada. The child of South Asian migrants, Kazim Ali was born in London, lived as a child in the cities and small towns of Manitoba, and made a life in the United States. As a man passing through disparate homes, he has never felt he belonged to a place. And yet, one day, the celebrated poet and essayist finds himself thinking of the boreal forests and lush waterways of Jenpeg, a community thrown up around the building of a hydroelectric dam on the Nelson River, where he once lived for several years as a child. Does the town still exist, he wonders? Is the dam still operational? When Ali goes searching, however, he finds not news of Jenpeg, but of the local Pimicikamak community. Facing environmental destruction and broken promises from the Canadian government, they have evicted Manitoba’s electric utility from the dam on Cross Lake. In a place where water is an integral part of social and cultural life, the community demands accountability for the harm that the utility has caused. Troubled, Ali returns north, looking to understand his place in this story and eager to listen. Over the course of a week, he participates in community life, speaks with Elders and community members, and learns about the politics of the dam from Chief Cathy Merrick. He drinks tea with activists, eats corned beef hash with the Chief, and learns about the history of the dam, built on land that was never ceded, and Jenpeg, a town that now exists mostly in his memory. In building relationships with his former neighbors, Ali explores questions of land and power?and in remembering a lost connection to this place, finally finds a home he might belong to. Praise for Northern Light An Outside Magazine Favorite Book of 2021 A Book Riot Best Book of 2021 A Shelf Awareness Best Book of 2021 “Ali’s gift as a writer is the way he is able to present his story in a way that brings attention to the myriad issues facing Indigenous communities, from oil pipelines in the Dakotas to border walls running through Kumeyaay land.” —San Diego Union-Tribune “A world traveler, not always by choice, ponders the meaning and location of home. . . . A graceful, elegant account even when reporting on the hard truths of a little-known corner of the world.” —Kirkus Reviews “[Ali’s] experiences are relayed in sensitive, crystalline prose, documenting how Cross Lake residents are working to reinvent their town and rebuild their traditional beliefs, language, and relationships with the natural world. . . . Though these topics are complex, they are untangled in an elegant manner.” —Foreword Reviews (starred review)
Several general books are available on ultraviolet light and its applications. However, this is the first comprehensive monograph that deals with its application to water and wastewater treatment. There is a rapidly growing interest in using UV light in water sanitation due to the increased knowledge of the potential health and environmental impacts of disinfection byproducts. Ultraviolet Light in Water and Wastewater Sanitation integrates the fundamental physics applicable to water and wastewater sanitation, the engineering aspects, and the practical experience in the field. The text analyzes the concerns associated with this application of UV light and brings together comprehensive information on the presently available UV technologies applicable to water and wastewater treatment including: lamp technologies, criteria of evaluation and choice of technology; fundamental principles; performance criteria for disinfection; design criteria and methods; synergistic use of UV and oxidants (advanced oxidation); and functional requirements and potential advantages and drawbacks of the technique. Ultraviolet Light in Water and Wastewater Sanitation is the only treatise currently available combining fundamental knowledge, recommendations for design, evaluations of performance, and future prospects for this application. Water and wastewater treatment professionals, water utility employees, governmental regulators, and chemists will find this book an essential and unique reference for a technology which has received growing regulatory acceptance.
Capture the essence of the Pacific Northwest with this exquisite gift book from internationally acclaimed nature photographer Art Wolfe. In 175 of his signature photographs, Wolfe focuses on his home region with masterful portraits of the mountains, forests, rivers, sea, islands, and desert of British Columbia, Washington, Oregon, and Idaho. Each chapter opens with an evocative essay by celebrated nature writer Brenda Peterson, making Pacific Northwest is the perfect keepsake for residents, visitors, and nature lovers everywhere.
Light scattering-based methods are used to characterize small particles suspended in water in a wide range of disciplines ranging from oceanography, through medicine, to industry. The scope and accuracy of these methods steadily increases with the progress in light scattering research. This book focuses on the theoretical and experimental foundations of the study and modeling of light scattering by particles in water and critically evaluates the key constraints of light scattering models. It begins with a brief review of the relevant theoretical fundamentals of the interaction of light with condensed matter, followed by an extended discussion of the basic optical properties of pure water and seawater and the physical principles that explain them. The book continues with a discussion of key optical features of the pure water/seawater and the most common components of natural waters. In order to clarify and put in focus some of the basic physical principles and most important features of the experimental data on light scattering by particles in water, the authors employ simple models. The book concludes with extensive critical reviews of the experimental constraints of light scattering models: results of measurements of light scattering and of the key properties of the particles: size distribution, refractive index (composition), structure, and shape. These reviews guide the reader through literature scattered among more than 210 scientific journals and periodicals which represent a wide range of disciplines. A special emphasis is put on the methods of measuring both light scattering and the relevant properties of the particles, because principles of these methods may affect interpretation and applicability of the results. The book includes extensive guides to literature on light scattering data and instrumentation design, as well as on the data for size distributions, refractive indices, and shapes typical of particles in natural waters. It also features a comprehensive index, numerous cross-references, and a reference list with over 1370 entries. An errata sheet for this work can be found at: http://www.tpdsci.com/Ref/Jonasz_M_2007_LightScatE.php *Extensive reference section provides handy compilations of knowledge on the designs of light scattering meters, sources of experimental data, and more *Worked exercises and examples throughout
This book covers the field of solar production of hydrogen by water photo-splitting (photoelectrolysis) using semiconductor photoanodes. The emphasis of the discussion is on the use of nanotechnology in the field. The theories behind photocatalysis and photoelectrochemical processes responsible for hydrogen production are given in detail. This provides a state-of-the-art review of the semiconductor materials and methods used for improving the efficiency of the processes. The book also gives an account of the techniques used for making the nanostructures.
This book provides a detailed description of light absorption and absorbents in seawaters with respect to provenance, region of the sea, depth of the occurrence and trophicity. The text is based on a substantial body of contemporary research results taken from the subject literature (over 400 references) and the work of the authors over a period of 30 years.
A little girl disappears in the wilderness. Two years later her mother is arrested for her murder. A provocative and unflinching literary novel of love, guilt and grief set against the wilderness of the Australian coast.
