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The 30th International Geological Congress was held in Beijing, China in August 1997. Leading scientists convened to present their findings and views to the international geological research community. Volume 13 of 26 focuses on marine geology and palaeoceanography. All articles in the proceedings have been refereed and keynote papers have been included in Volume 1. These proceedings aim to present a view of contemporary geology and should be of interest to researchers in the geological sciences. ... Read more

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This digital document is a journal article from Marine and Petroleum Geology, published by Elsevier in 2005. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.

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Natural hydrocarbon seepage from marine environments is an important source of methane and other gases to the atmosphere. Quantifying this flux is necessary for constraining global budgets and understanding local air pollution sources. A field of strong hydrocarbon seepage offshore of Coal Oil Point near Santa Barbara, California produces extensive areas of bursting bubbles at the sea surface. An instrumented buoy was deployed in the Coal Oil Point field to measure directly the atmospheric gas flux from three seeps of varying size and intensity. Spatial scales of continuity of the seeps, quantified by semivariograms, are small, ranging from <1 to about 9m such that flux values on larger scales are uncorrelated. These de-correlation scales are comparable to the horizontal extents of individual bubble plumes estimated visually at the sea surface. Semivariograms for each seep are used in an ordinary Kriging procedure to interpolate flux measurements onto a regular grid and produce objective maps of the spatial distribution of flux. Spatial integrals yield total flux estimates from the three seeps of ~7400m^3 day^-^1 which amount to 4-13% of the total flux from the Coal Oil Point field based on estimates from previous studies. ... Read more

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Chapters: Institute of Marine Engineering, Science and Technology. Source: Wikipedia. Pages: 110. Not illustrated. Free updates online. Purchase includes a free trial membership in the publisher's book club where you can select from more than a million books without charge. Excerpt: The Institute of Marine Engineering Science and Technology (IMarEST) is the international membership body and learned society for all marine professionals, operating in spheres of marine engineering, science or technology. It has registered charity status and is the first professional institution to bring together marine engineers, scientists and technologists into one international multi-disciplinary professional body. It is the largest marine organisation of its kind with a worldwide membership of over 15,000 individuals based in over 100 countries. The institute is also a publisher of books, periodicals, magazines, journals and papers related to marine engineering, science and technology, and organizes meetings, events and conferences related to these themes. The IMarEST is also the home of the Marine Information Centre, a dedicated collection of books and data related to marine science, engineering and technology. The institute is also the home of the Guild of Benevolence of the IMarEST, which continues the work of the fund founded for the families of the engineers of the Titanic, and which today provides help and funds for those sea-farers and others who find themselves in hard times. To work within the global marine community to promote the scientific development of marine engineering, science and technology, providing opportunities for the exchange of ideas and practices and upholding the status, standards and knowledge of marine professionals worldwide. The IMarEST is a respected authority in every maritime country. It has special consultative status with the Economic and Social Council of the United Nations (ECOSOC) and is a nominated a...More: http://booksllc.net/?id=6988010 ... Read more