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Read e-book online Biogeochemistry of Marine Dissolved Organic Matter PDF

By Dennis A. Hansell, Craig A. Carlson

ISBN-10: 0080500110

ISBN-13: 9780080500119

ISBN-10: 0123238412

ISBN-13: 9780123238412

Curiosity in marine dissolved natural subject (DOM) is especially excessive since it performs a massive function in oceanic and worldwide carbon biking, which in flip affects climate. realizing the methods concerned about the modifications of carbon, phosphorus, nitrogen, and different significant parts within the oceans has been a major target of marine biogeochemists and oceanographers during the last decade.This booklet, in sixteen chapters with over a hundred and seventy figures and tables, reviews at the significant advances during this zone by way of a distinctive workforce of overseas chemical and organic oceanographers. also, it makes a speciality of the position of DOM in elemental biking - the place the best informational want at present exists. organic biking of the foremost parts via DOM is classified all through, with specific emphasis at the position of marine microbes as energetic brokers within the processing of this materialThe ocean technology community's advances for inclusion of DOM in either atmosphere and worldwide flow types are evaluated

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Such a pattern following mean subtraction would be expected if the major sources of difference among DOC concentrations measured by the participating labs were traceable to large background signals intrinsic to each instrument and its method of operation. 22 John I. Hedges 350| 300 " Oj Minimum Zone 250| ^ 200| U Surface Ocean lOOl 5o| Deep Ocean 0 Means from Each Set of Analyses Figure 11 Trends in measured DOC among reference seawater samples analyzed for the Seattle DOC/DON Workshop (data from Hedges et ai, 1993).

Editors and reviewers of papers describing new analytical methods also carry the burden of protecting the scientific community (and authors) from published oversights that can propagate for years to great disadvantage. Given the reality that it is often the makers of analytical tools, rather than the wielders, who pace modem scientific advances, this rare skill seems underappreciated overall. Many journals covering the aquatic sciences in fact exclude or strongly discourage "analytical papers," even when the research they describe clearly has been developed specifically to attack biogeochemical research problems.

179-196. Plenum Press, New York. , and Hodson, R. E. (1977). Size distribution and activity of marine microheterotrophs. Limnol. Oceanogr. 22,492-501. Bada, J. , and Lee, C (1977). Decomposition and alteration of organic compounds dissolved in seawater. Mar. Chem. 5,523-534. Baier, R. E. (1972). Organic films on natural bodies of water: Their retrieval, identification and modes of elimination. /. Geophys. Res. 77,5062-5075. Baier, R. , Goupil, D. , and King, R. (1974). Dominant chemical composition of sea surface films, natural slicks and foams.

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Biogeochemistry of Marine Dissolved Organic Matter by Dennis A. Hansell, Craig A. Carlson

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