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The earth where we live is the only planet of our solar system that holds a mass of water we know as the ocean, covering 70.8% of the earth's surface with a mean depth of 3,800 m. When using the term ocean, we mean not only the water and what it contains, but also the bottom that supports the water mass above and the atmosphere on the sea surface. Modern oceanography thus deals with the water, the bottom of the ocean, and the air thereon. In addition, varied interactions take place between the ocean and the land so that such interface areas are also extended domains of oceanography. In ancient times our ancestors took an interest in nearshore seas, making them an object of constant study. Deep seas, on the other hand, largely remained an area beyond their reach. Modern academic research on deep seas is said to have been started by the first round-the-world voyage of Her Majesty's R/V Challenger I from 1872 to 1876. It has been only 120 years since the British ship leftPortsmouth on this voyage, so oceanography can thus be considered still a young science on its way to full maturity.
A translation of "Guide de conception et de gestion des reseaux d'assainissement unitaires", this text looks at the design and management of combined sewerage networks, covering topics such as: data on rainstorm run-off pollution; different types of weirs and accessories; and choice of weir.
The book combines the approaches of maritime history and ecological science to explore the evolution of life-forms and eco-systems in the ocean from a historical perspective, in order to establish and develop the sub-discipline of marine environmental history. Documentary records relating to the human activity, such as fishing, plus naturally occurring paleo-ecological data are analysed in order to determine the structure and function of exploited ecosystems. The book is divided into four chapter groups, the first concerned with Newfoundland and Grand Banks' fisheries, the second with the potential of historical sources to provide a history of marine animal populations, the third explores the development of fisheries in the southern hemisphere during the twentieth century, and the final section explores the limitations of data and existing analysis of whale populations. The epilogue reiterates the suggestion that collaboration between historians and biologists is the key to furthering the sub-discipline.
This book describes the development of ocean sciences over the past 50 years, highlighting the contributions of the National Science Foundation (NSF) to the field's progress. Many of the individuals who participated in the exciting discoveries in biological oceanography, chemical oceanography, physical oceanography, and marine geology and geophysics describe in the book how the discoveries were made possible by combinations of insightful individuals, new technology, and in some cases, serendipity. In addition to describing the advance of ocean science, the book examines the institutional structures and technology that made the advances possible and presents visions of the field's future. This book is the first-ever documentation of the history of NSF's Division of Ocean Sciences, how the structure of the division evolved to its present form, and the individuals who have been responsible for ocean sciences at NSF as "rotators" and career staff over the past 50 years.
Søens love. Juridiske dokumenter og papirer, deklarationer, konventioner, traktater, dekreter, love, m.v. om og med internationale "Laws of the Sea", havret, sølovgivning, m.v.