Correlation Between Wind Direction and Observed BrO concentrations

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Presentation transcript:

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: Using regression fitting, bootstrap method, and correlation coefficient test the hypothesis above.

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)

Original Data

Bootstrap Histogram

Regression Fitting

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.