Applied Physics of Air-Sea-Land Interaction during Hurricane Katrina

Applied Physics of Air-Sea-Land Interaction during Hurricane Katrina

Prof. S. A. Hsu

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Professor S. A. Hsu

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Louisiana State University

Applied Physics of Air-Sea-Land Interaction during Hurricane Katrina

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Abstract

A decade ago in August 2005 Hurricane Katrina devastated north-central Gulf of Mexico and southeastern Louisiana and Mississippi Gulf Coast. Although nearly all anemometers in the affected areas were destroyed by Katrina, few wind and wave measurement stations did survive the storm and provide some data to advance our understanding of the physics of air-sealand interaction. Analyses of these measurements indicate that : 1. On the basis of upper-air measurements made at Key West, FL, and Slidell, LA, the power-law wind profile is verified in the atmospheric surface boundary layer (up to 300m) where the friction dominants; 2. The cyclostrophic equation, which is the balance between centrifugal force and pressure gradient force, is validated so that the wind speed at 10m over the water, U10 = 6.3(1013 -Pmin) ^ (1/2), where Pmin is the minimum sea-level pressure; 3.The significant wave height (Hs) and its dominant wave period (Tp) can be normalized by using U*, which is the friction velocity (= (τ/ρ) ^ (1/2), where τ is the wind stress and ρ is the air density).

References

18 Cites in Article

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Prof. S. A. Hsu. 2015. \u201cApplied Physics of Air-Sea-Land Interaction during Hurricane Katrina\u201d. Global Journal of Science Frontier Research - H: Environment & Environmental geology GJSFR-H Volume 15 (GJSFR Volume 15 Issue H2).

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GJSFR Volume 15 Issue H2

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Journal Specifications

Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

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Classification

GJSFR-H Classification FOR Code: 059999

Submission ReceivedMarch 21, 2015
Peer Review Double Blind
Handling Editor
Accepted April 11, 2015
Published April 21, 2015

Version of record

v1.2

Issue date

May 15, 2015

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Article Matrices

Total Score: 131

Country: United States

Subject: Global Journal of Science Frontier Research - H: Environment & Environmental geology

Authors: Professor S. A. Hsu (PhD/Dr. count: 0)

View Count (all-time): 191

Total Views (Real + Logic): 4583

Total Downloads (simulated): 2165

Publish Date: 2015 05, Fri

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Total Views: 4583

Total Downloads: 2165

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