Atmospheric Mercury Depletion Events in Arctic Regions

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Explore the impact of atmospheric mercury depletion in polar regions during the Arctic spring. This presentation delves into the trajectory of mercury post-depletion, emphasizing environmental implications and mercury cycling theories. Discover how pollution in 53 streams is assessed and gain insights into the research conducted by experts in the field.


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  1. Title of Presentation in Initial Capitals: 36 Points, Calibri Bold Name Name Name Replace this box with key image to introduce talk s scope, importance, or background Department Institution Date Replace with your Logo

  2. Atmospheric Mercury Depletion Events in Polar Regions during Arctic Spring Katrine Aspmo Torunn Berg Norwegian Institute for Air Research Grethe Wibetoe University of Oslo, Dept. of Chemistry 16 June 2004

  3. This presentation focuses on (complete sentence, but go no more than two lines) Image for Topic 1 Topic 1 Image for Topic 2 Topic 2 Image for Topic 3 Topic 3 4

  4. This talk traces what happens to mercury after it depletes from the atmosphere in arctic regions Measurements from Station Theory for mercury cycling 5 Environmental implications

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  6. This sentence headline makes an assertion on the first topic in no more than two lines Image(s) supporting above assertion If necessary, identify key assumption or background for audience keep to two lines (18 24 point type) 7

  7. For the 53 streams, we assessed the pollution using a set of six criteria Total Total Nitrogen Average Habitat Score Acidity Chloride Sulfate Phosphorus Reference Fair Impaired [Waite et al. 2000]

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  9. This sentence headline makes an assertion on the second topic in no more than two lines Call-out, if necessary: keep to one or two lines Call-out, if necessary: keep to one or two lines Image or equations supporting the headline assertion Call-out, if necessary: keep to one or two lines 10

  10. Normalized friction factors and Nusselt numbers correlated our data with the data of others Pressure Taps Venturi Meter Voltmeter Thermocouples Pressure Drop Reynolds Number Heat Flux, q Tinlet Twall Tbulk h dP D 2 . 0 Nuo, fo . 0 = 046 Re f Friction Factor, f 2 x tap h u = f 0 2 bulk air = 8 . 0 4 . 0 h D . 0 023 Re Pr Nu Nu = h Nu 0 k air 11

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  12. This sentence headline makes an assertion on the third topic in no more than two lines Feature or call-out no more than two lines Image supporting above assertion Feature or call-out no more than two lines 13

  13. Early detection methods can identify small tumors and therefore improve survival rates of patients [Lai et al., 2007]

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  15. In summary, this sentence headline states the most important assertion of the presentation Supporting point (no more than two lines) Image that supports conclusion Another supporting point (parallel to the first) Questions? Logo 16

  16. In summary, the detector failed because of a short-circuit created by the abrasion of wire insulation Wires not harnessed to prevent contact with housing Short circuit to ground created where wire contacted housing http://www.esm.psu.edu/wiki/_media/research:cjl9:sikorsky_logo.jpg?w=h=cache=cache Questions? 17

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