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Impingement Of Man On The Oceans


Author : Donald Wilbur Hood
language : en
Publisher: John Wiley & Sons Inc
Release Date : 1971


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Man S Impact On Climate


Author : Wilfred Bach
language : en
Publisher: Elsevier
Release Date : 2012-12-02


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Man’s Impact on Climate provides a technical review of various aspects of climate change. It deals not only with the general aspects of climate change but also with the climate/food and climate/energy interactions. This book is divided into three parts. The first part explores climate history, climate theory, and climate modeling. This part also offers climate models in which results from past climate events can be verified with paleoclimatic methods; hence, they serve as guides for interpreting future climate simulations. The second part deals with the external causes of climate change that are induced by man, such as altering the composition of the atmosphere, adding heat to the system and changing the characteristics of the earth’s surface. The third and last part focuses on the future climate and potential consequences of climatic changes. It also offers a few constructive solutions in reference to the carbon dioxide problem. Scientists and government officials involved in climate research may find this book valuable.

Marine Pollution


Author : Sebastian A. Gerlach
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-11-11


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When, in 1966, the Gennan Research Society directed the attention of oceanographers in the Federal Republic of Ger many to problems of marine pollution, I was not enthusiastic. Emphasis on this problem area meant that other important research plans had to be postponed. But the lectures at the Third International Oceanographic Congress, September 1970, in Tokyo, and at the FAO Conference on Marine Pollution and its Effects on Living Resources and Fishing, December 1970, in Rome, convinced me that research on problems of marine pollution is a social obligation, and that the oceanographer has to take a stand. I issued public warnings about the continuing use of pesticides and had to defend myself against protests by the fishing industry and many colleagues who were, in Novem ber 1970, unaware of the extent of the threat. Thus, I was required by my profession to acquire an overview of the prob lems of ocean pollution. In 1971 I only needed to familiarize myself with some one hundred bibliographical items. In the interim, the flood of data has risen dramatically, and in the year 1975, no fewer than 868 publications under the heading of "Marine Pollution" were reported (Table 1). It is, therefore, more and more diffi cult to distinguish new results of scientific research from the many repetitions and variations, and I fear that from year to year my efforts to illustrate the actual status of the problem at a given moment will be subject to more gaps.

Flux Of Organic Carbon By Rivers To The Oceans


Author :
language : en
Publisher: National Academies
Release Date : 1981


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Marine Environmental Quality


Author :
language : en
Publisher: National Academies
Release Date : 1971


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Opportunities And Uses Of The Ocean


Author : David A. Ross
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06


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The oceans cover about 72 percent of our planet (which is named for the remaining 28 percent). These oceans have fascinated and challenged the human race for centuries. In the past, the ocean had been used first as a source of food and later as a means of transportation. However, the oceans have recently become very important-they may offer a solution to many of our modern problems. For example, refuse from land is to be dumped into the ocean never to be seen again; fish and other biological resources are to be caught and used to meet the protein deficiency of the world; oil and gas from the continental shelf and perhaps deeper areas will eventually solve our energy problems. None ofthese examples is completely possible, and the at source offood and later as a means of transportation. However, the oceans social, and ecological problems in the marine environment. Countries are al ready planning how the oceans can be divided up, so that they will get their "fair share". Economists, politicians, and others are producing almost daily, optimistic or pessimistic views (depending upon your own viewpoint) about the ocean and its resources. Equally loud reports come from environ mentalists, conservationists, government sources, and oil companies con cerning the pollution and potential destruction of the ocean.

The Geochemistry Of Manganese And Manganese Nodules In The Ocean


Author : G.N. Baturin
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06


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Manganese nodules were first discovered on the ocean floor 160 miles south-west of the Canary Islands on February 18, 1803, during the first complex oceano logical cruise of the Challenger. They surprised researchers by their unusual shape and also by their unusual chemical composition; nevertheless for many years after wards, they were considered merely as one of Nature's exotic marine tricks. After the Secpnd World War, a comprehensive investigation of the World Ocean started, and new data were obtained on a wide distribution of manganese nodules and their polymetallic composition, that made scientists consider nodules as one of the major characteristics of the deep oceanic zone. Recently, meaning since the 1960's, nodules have been recognized as a potential ore source, investigation of which is stimulated by the progressive depletion of land-based mineral resources. Several generations of scientists from various countries have contributed to the problem of exploration of manganese nodules on the ocean floor. Though the problem has been posed, it has not been solved yet because it required, in its turn, a scrutiny of some fundamental aspects such as composition, nature, accretion r'ate of nodules and retrieval of nodule fields. These problems have been discussed in thousands of papers and larger publications; see, in particulare, Mero, 1965; Horn, 1972; Morgenstein, 1973; Bezrukov, 1976; Glasby, 1977; Bischoff and Piper, 1979; Lalou, 1979; Manganese nodules, 1979; Varentsov, 1980; Cronan, 1980; Manganese nodules . . . , 1984, 1986.