The Sound Velocity Structure of the North Indian Ocean PDF Download
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Author: Don F. Fenner
Publisher:
ISBN:
Category : Indian Ocean
Languages : en
Pages : 118
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Book Description
Author: Don F. Fenner
Publisher:
ISBN:
Category : Indian Ocean
Languages : en
Pages : 118
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Book Description
Author: J. G. Colborn
Publisher:
ISBN:
Category : Indian Ocean
Languages : en
Pages : 176
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Book Description
Initial results of a continuing study to analyze and summarize the acoustically significant characteristics of the vertical sound-speed structure in the Indian Ocean are presented for purposes of acoustic model inputs and future exercise planning in the region. Data displays cover the western Indian Ocean west of 75 degrees E and north of 20 degrees S. Hydrocast data with computed sound speeds at standard depths provide the basic information to define areas of the Indian Ocean that are reasonably homogeneous with regard to sound-speed properties and can be summarized by a single profile for each season. Seasonal data presentations of bottom conjugate depth (the shallow conjugate of the bottom sound speed) and depth excess (water depth below the deep conjugate of the near-surface sound-speed maximum) indicate the primarily bottom-limited situation in the western Indian Ocean and identify the restricted areas of the Somali Basin with convergence-zone propagation potential. The upper-layer characteristics of layer depth, in-layer gradient, and below-layer gradient are displayed seasonally in contour format based on sound-speed-converted BT and XBT temperature data. Emphasis is placed on the significant effects of the seasonal monsoons, and in particular the strong SW Monsoon, on the near-surface structure. Results based on the two data sources are presented separately and some comparisons are made.
Author: Jerry D. Wiggert
Publisher: John Wiley & Sons
ISBN: 111867166X
Category : Science
Languages : en
Pages : 1037
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Book Description
Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 185. Indian Ocean Biogeochemical Processes and Ecological Variability provides a synthesis of current knowledge on Indian Ocean biogeochemistry and ecology and an introduction to new concepts and topical paradigm challenges. It also reports on the development of more extensive/frequent observational capacity being deployed in the Indian Ocean. This represents the first collection of syntheses that emphasize a basin-wide perspective, and the contributing authors include some of the most esteemed oceanographers and Indian Ocean experts in the world. The volume is derived from invited plenary talks that were presented at the initial Sustained Indian Ocean Biogeochemistry and Ecosystem Research (SIBER) workshop held at the National Institute of Oceanography (NIO) in Goa, India, in October 2006. The volume discusses The overlying physical processes set by monsoonal forcing and how these control biological production and variability Nutrient cycling and limitation Pelagic carbon cycling and air-sea exchange Benthic biogeochemistry and ecology The impact of climate and human activities on biogeochemistry and ecosystems. The readership for this book will consist of academic and governmental researchers interested in exploring how oceanographic, atmospheric, and hydrological processes combine to establish the environmental setting that supports and drives the pelagic system and which are especially relevant to understanding the complex biogeochemical and ecological interactions in the Indian Ocean.
Author: Environmental Science Information Center. Library and Information Services Division
Publisher:
ISBN:
Category : Earth sciences
Languages : en
Pages : 508
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Book Description
Author: Environmental Science Information Center. Library and Information Services Division
Publisher:
ISBN:
Category : Book catalogs
Languages : en
Pages : 444
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Book Description
Author: Environmental Science Information Center. Library and Information Services Division
Publisher:
ISBN:
Category :
Languages : en
Pages : 444
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Book Description
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1388
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Book Description
Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1252
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Book Description
February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index.
Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : United States
Languages : en
Pages : 1408
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Book Description
Author: Don F. Fenner
Publisher:
ISBN:
Category :
Languages : en
Pages : 89
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Book Description
All available sound velocity data in the North Atlantic Ocean between 15 degrees and 65 degrees N. latitude and east of 65 degrees W. longitude (excluding the Labrador Sea) have been analyzed in terms of the seasonal areal extent and average axial depth of the upper sound channel, the annual areal extent and average depth of the subsurface sound velocity maximum, and the annual average depth of the deep sound channel axis. The vertical extent of these and other sound velocity structures are shown on nine north-south and nine east-west sound velocity cross-sections that extend to a maximum depth of 5000 meters. These cross sections include four winter/summer pairs along the same meridian and three winter/summer pairs along the same parallel. In addition, sound velocity/temperature-salinity comparisons for winter and summer are given for 50 locations throughout the North Atlantic Ocean. (Author).
