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Correlation Between Wind Direction and Observed BrO concentrations

Correlation Between Wind Direction and Observed BrO concentrations. Jeffery A. Shook 26 Apr 11. Objectives and Hypothesis. Hypothesis: Wind direction and BrO concentrations ( pptv ) are correlated. Objectives:

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Correlation Between Wind Direction and Observed BrO concentrations

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  1. Correlation Between Wind Direction and Observed BrO concentrations Jeffery A. Shook 26 Apr 11

  2. Objectives and Hypothesis • Hypothesis: • Wind direction and BrOconcentrations (pptv) are correlated. • Objectives: • Using regression fitting, bootstrap method, and correlation coefficient test the hypothesis above.

  3. Data Acquisition • Data used was collected during the 2010 Greenland field mission using a Chemical Ionization Mass Spectrometer • Data collected from 26 May 10 to 20 Jun 10. • Location: Summit Station Greenland (72°35'46.4"N 38°25'19.1"W)

  4. Original Data

  5. Bootstrap Histogram

  6. Regression Fitting

  7. Conclusions • BrO concentrations have small correlation due to low correlation coefficient value (0.1539) • Bootstrap method confirmed correlation coefficient • Average wind direction: 192 deg. (S) • Best correlation regression—Least Squares method.

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