977 resultados para 11.5BC46-2


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Page 2 – The Vice Provost cites 2004/2005 as a year of significant accomplishments for the Libraries. • The Dodd Research Center and the Human Rights Institute plan a conference on economic human rights for October. Page 3 - Researcher Bill V. Mullen talks about the work of avant garde musician, composer, and author Fred Ho, whose archive is in Archives & Special Collections. Page 4 - Students tell us why they come to the library. • The Dodd Research Center commissions two students to create a logo for its 10th anniversary celebration. • Fragile pamphlets are given new life in the Conservation Lab. Page 5 - The library sponsors a national symposium to explore new technology. • Our newest digital project can lead you to everything you ever wanted to know about Connecticut. • A new Pharmacy Library will open its doors in June. Page 6 - Staff News: service anniversaries and new faces. Page 7 - The Class of 1955 is raising $50,000 for an undergraduate instruction classroom in the library.

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Mode of access: Internet.

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In this issue...Continental Oil Company, Big Butte, Bolivia, Rotary Scholarship, YMCA, Anaconda Company, Butte Wesley Foundation, American Yearbook Company

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The Larned A. Waterman Iowa Nonprofit Resource Center is a University of Iowa interdisciplinary collaboration created to make more accessible educational and service programs focused on strengthening the operational capacity of Iowa nonprofit organizations. The Center works collaboratively with government agencies, nonprofit organizations and educational institutions to impart new knowledge through activities and provide information and training resources to help nonprofit organizations and interested persons throughout Iowa. We seek to build the capacity and develop the effectiveness of community-based organizations and enhance the overall effectiveness of local organizations in building communities.

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Tag & Release is the newsletter for the South Carolina Governor's Cup Billfishing Series, an official program of the South Carolina Department of Natural Resources in cooperation with the South Carolina Department of Parks, Recreation and Tourism and the Harry R.E. Hampton Memorial Wildlife Fund.

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In this study we present a global distribution pattern and budget of the minimum flux of particulate organic carbon to the sea floor (J POC alpha). The estimations are based on regionally specific correlations between the diffusive oxygen flux across the sediment-water interface, the total organic carbon content in surface sediments, and the oxygen concentration in bottom waters. For this, we modified the principal equation of Cai and Reimers [1995] as a basic monod reaction rate, applied within 11 regions where in situ measurements of diffusive oxygen uptake exist. By application of the resulting transfer functions to other regions with similar sedimentary conditions and areal interpolation, we calculated a minimum global budget of particulate organic carbon that actually reaches the sea floor of ~0.5 GtC yr**-1 (>1000 m water depth (wd)), whereas approximately 0.002-0.12 GtC yr**-1 is buried in the sediments (0.01-0.4% of surface primary production). Despite the fact that our global budget is in good agreement with previous studies, we found conspicuous differences among the distribution patterns of primary production, calculations based on particle trap collections of the POC flux, and J POC alpha of this study. These deviations, especially located at the southeastern and southwestern Atlantic Ocean, the Greenland and Norwegian Sea and the entire equatorial Pacific Ocean, strongly indicate a considerable influence of lateral particle transport on the vertical link between surface waters and underlying sediments. This observation is supported by sediment trap data. Furthermore, local differences in the availability and quality of the organic matter as well as different transport mechanisms through the water column are discussed.

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Distributions of pore water O2, NO-2, NO-3, NH+4, Si(OH)4, PO[3-]4, Mn[2+], F-, and T.A. were determined at 15 stations in the eastern equatorial Atlantic. While overall profile characteristics are consistent with previous models of organic matter diagenesis, profile shapes suggest that a deep reaction layer, rich in organic C, is also present at many sites. While it is unlikely that the oxidation of organic C in this layer has had a major effect on the ocean C cycle, pore water profile shapes are significantly altered. Despite exposure to seawater SO[2-]4 concentrations for > 1000 years, decomposition of the organic matter in the layer appears to be restricted to oxic and suboxic processes. These results suggest major differences in organic carbon decomposition and preservation under oxic/suboxic and anoxic conditions. Present-day benthic fluxes are largest adjacent to the eastern boundary coastal upwelling region and similar in magnitude to values reported for the eastern Pacific. Preliminary estimates suggest that the benthic respiration in the eastern 1/3 of the North Atlantic south of 20°N may alone account for >20% of the total deep North Atlantic respiration. Combining these results with estimates of organic C burial and deep water-column decomposition suggests that this region is a major location of organic C input into the deep sea.