Examining Spatial and Temporal Changes in Refractive Conditions

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Presentation transcript:

Examining Spatial and Temporal Changes in Refractive Conditions ENS Theodore Dorics 16 SEP 01 OC 3570

Data Collection Time Range: 02 AUG 17Z – 08 AUG 22Z Spatial Range: 36.44N - 34.23N 123.22W – 120.45W

Data Analysis 20 upper-air soundings analyzed M-unit profiles generated Focus on lowest 2000 meters Lowest height of most significant trapping layer determined

“Significant” Trapping Layer A negative gradient of at least 1 M-unit per 10 meters of height underlying a positive gradient meeting the same criteria. At least 100 m total thickness.

Data Distribution 36N 34N 122W 120W

Conclusions Decrease in trapping layer height with time. increase in latitude. increase in longitude.

QUESTIONS?