Download or read book Die Expeditionen Antarktis 9 1 4 des Forschungsschiffes Polarstern 1990 91 written by Ulrich Bathmann and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Die Expeditionen Antarktis IX 1 4 des Forschungsschiffes Polarstern 1990 91 written by Ulrich Bathmann and published by . This book was released on 1992 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Die Expeditionen Antarktis IX 1 4 Des Forschungsschiffes Polarstern 1990 91 written by Ulrich Bathmann and published by . This book was released on 1992 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Use of Proxies in Paleoceanography written by Gerhard Fischer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt: Paleoceanographic proxies provide infonnation for reconstructions of the past, including climate changes, global and regional oceanography, and the cycles of biochemical components in the ocean. These prox ies are measurable descriptors for desired but unobservable environmental variables such as tempera ture, salinity, primary productivity, nutrient content, or surface-water carbon dioxide concentrations. The proxies are employed in a manner analogous to oceanographic methods. The water masses are first characterized according to their specific physical and chemical properties, and then related to particular assemblages of certain organisms or to particular element or isotope distributions. We have a long-standing series of proven proxies available. Marine microfossil assemblages, for instance, are employed to reconstruct surface-water temperatures. The calcareous shells of planktonic and benthic microorgan isms contain a wealth of paleoceanographic information in their isotopic and elemental compositions. Stable oxygen isotope measurements are used to detennine ice volume, and MglCa ratios are related to water temperatures, to cite a few examples. Organic material may also provide valuable infonnation, e. g. , about past productivity conditions. Studying the stable carbon isotope composition of bulk organic matter or individual marine organic components may provide a measure of past surface-water CO 2 conditions within the bounds of certain assumptions. Within the scope of paleoceanographic investigations, the existing proxies are continuously evolving and improving, while new proxies are being studied and developed. The methodology is improved by analysis of samples from the water column and surface sediments, and through laboratory experiments.

Download or read book Die Expedition Antarktis XIII 1 2 Des Forschungsschiffes Polarstern 1995 96 written by Ulrich Bathmann and published by . This book was released on 1997 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Die Expedition ANTARKTIS XVII 1 Des Forschungsschiffes POLARSTERN 2001 written by Eberhard Fahrbach and published by . This book was released on 2002 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Expedition ANTARKTIS XIII 4 5 of the Research Vessel Polarstern in 1996 written by Eberhard Fahrbach and published by . This book was released on 1997 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The South Atlantic written by Gerold Wefer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 815 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book presents results of recent projects in oceanography and marine geosciences (e.g. WOCE, JGOFS, PAGES, ODP) regarding present and past circulation in the South Atlantic. The objective of the book is to integrate results from both oceanographic and geological studies. As the connecting link between the Antarctic and the North Atlantic, the South Atlantic plays a crucial role with regard to the heat budget of the North Atlantic and to the biogeochemical budget of the global ocean. New results from studies of meridional water mass and heat transports are presented. The central theme of geological investigations is the reconstruction of current and productivity systems in the South Atlantic during the late Quaternary.

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Download or read book Die Expedition ANTARKTIS XV 4 des Forschungsschiffes Polarstern 1998 written by Eberhard Fahrbach and published by . This book was released on 1999 with total page 109 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Die Expedition ANTARKTIS XVII 2 des Forschungsschiffes Polarstern 2000 written by and published by . This book was released on 2002 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book RV Polarstern ANTARKTIS IX 1 4 1990 91 written by V. S. Smetacek and published by . This book was released on 1990 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Die Expeditionen ANTARKTIS XXI 3 4 5 Des Forschungsschiffes Polarstern 2004 written by Victor Smetacek and published by . This book was released on 2005 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Die Expedition ANTARKTIS XVIII 3 4 des Forschungsschiffes POLARSTERN 2000 2001 sowie die Aktivit ten an Land und bei der Neumayer Station written by Eberhard Fahrbach and published by . This book was released on 2003 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Meteorological and Geoastrophysical Abstracts written by and published by . This book was released on 1993 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: