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Determining Wind (Aeolian) Patterns Around the Spirit Rover, Mars

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Presentation on theme: "Determining Wind (Aeolian) Patterns Around the Spirit Rover, Mars"— Presentation transcript:

1 Determining Wind (Aeolian) Patterns Around the Spirit Rover, Mars
Leon Manfredi April 18, 2009

2 RESEARCH OBJECTIVE Determine local wind patterns around Home Plate
Compare results with regional wind patterns Relevance

3 APPROACH Identify aeolian features from Navigation Camera images
Infer the wind directions Map results

4 AEOLIAN FEATURES Ripples Depositional features Can be variable
Earth Ripples Wind direction Depositional features Can be variable Can be symmetrical or asymmetrical

5 AEOLIAN FEATURES Ripples Depositional features Can be variable
Earth Ripples Mars Depositional features Can be variable Can be symmetrical or asymmetrical Inferred wind direction

6 AEOLIAN FEATURES Wind tails Erosional or depositional feature
Earth Erosional or depositional feature Point in downwind direction Form around obstacles Inferred wind direction Wind direction 25 cm

7 AEOLIAN FEATURES Wind tails Earth Mars
Erosional or depositional feature Point in downwind direction Form around obstacles Inferred wind direction Inferred wind direction 25 cm

8 RESULTS: LOCAL WIND PATTERNS

9 Determining Wind Patterns Around the Spirit Rover, Mars
Summary Numerous aeolian features seen by Spirit Rover Inferred wind direction suggests Home Plate topography controls local wind patterns Important for planning future landings Inferred wind direction

10 ACKNOWLEDGEMENTS Dr. Ronald Greeley Maestro Development Team
Arizona Space Grant Consortium

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