The University of Mississippi
Department of Physics and Astronomy

Seminars/Colloquia, Fall 2018

Unless noted otherwise, Tuesday Colloquia are at 4:00 PM
with refreshments served 15 minutes before each colloquium.

Scheduling for additional seminars will vary.

Date/Place Speaker Title (and link to abstract)
Tue, Aug 21
Lewis 101
Zheguang Zou
Department of Physics and Astronomy and the National Center for Physical Acoustics
University of Mississippi
Underwater Sound Propagation in Estuarine Environments
Tue, Aug 28
Lewis 101
Department Faculty
Department of Physics and Astronomy
University of Mississippi
Introduction to Department Research, followed by Ice Cream Social.(PDF)
Tue, Sep 4
Lewis 101
Marcel Remillieux
Geophysics Group
Los Alamos National Laboratory;
 
Tue, Sep 11
Lewis 101
Parsa Bakhtiari Rad
National Center for Physical Acoustics
University of Mississippi
3D Seismic Oceanography: The New Frontier in Ocean Water-Column Exploration
Tue, Sep 18
Lewis 101
Eyal Schwartz
 
 
 
Tue, Sep 25
Lewis 101
Stefanos Kourtis
Physics Department
Boston University
 
Tue, Oct 2
Lewis 101
Surajit Sen
Department of Physics
State University of New York at Buffalo
 
Tue, Oct 9
Lewis 101
 
 
 
 
Tue, Oct 16
Lewis 101
 
 
 
 
Tue, Oct 23
Lewis 101
Baharak Sajjadi
Department of Chemical Engineering
University of Mississippi
 
Tue, Oct 30
Lewis 101
 
 
 
 
Tue, Nov 6
Lewis 101
 
 
 
 
Tue, Nov 13
Lewis 101
 
 
 
 
Tue, Nov 20
Lewis 101
Thomas Turkey
Department of Nutrition
Virginia Tech
Continuing Advantages of a Vegetarian Diet
Tue, Nov 27
Lewis 101
 
 
 
 
Tue, Dec 04
Lewis 101
Final Exam Week  

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Abstracts of Talks


Zheguang Zou
National Center for Physical Acoustics
University of Mississippi

Underwater Sound Propagation in Estuarine Environments

Estuaries are shallow-water regions that are highly dynamic due to a variety of environmental variability, such as tidal flow, water mixing, wind-driven water surface waves, etc. The environmental variability has significant effect on underwater sound propagation and acoustic communication. This talk will present some of these effects in the Delaware bay. The examinations include water-column variations due to tidal dynamics, and surface variations due to wind-wave dynamics. The results gain insight into the link between physical environments and underwater acoustic fields, suggesting the demanding of next-generation underwater acoustic communication systems for dynamic oceans.


Department Faculty
Department of Physics and Astronomy
University of Mississippi

Introduction to Department Research, followed by Ice Cream Social.

3:00 PM — Society for Physics Students (SPS) greets new undergrads and gives tour of Lewis Hall
3:30 PM — Undergrad / Faculty Pizza Social
4:00 PM — Colloquium: Department Research Overview
4:30 PM — Grad Student / Faculty Ice Cream Social


Parsa Bakhtiari Rad
National Center for Physical Acoustics
University of Mississippi

3D Seismic Oceanography: The New Frontier in Ocean Water-Column Exploration

Seismic oceanography is a newly-introduced technique that links exploration seismology and physical oceanography. It consists of the application of the multi-channel seismic reflection method, commonly used in the oil and gas industry to image the subsurface geological structure, to the investigation of the fine structure of the ocean interior. Seismic reflection sections provide high quality images of the oceans fine structures with higher vertical and horizontal resolution and complement conventional physical oceanography measurements and logs. These images consist of seismic reflections that occur and are recorded whenever a seismic wave traveling in a heterogeneous media encounters interfaces between different water layers and is reflected back to the surface and recorded by special receivers. This talk will report the implement of a three dimensional (3-D) seismic study to better image the ocean interior. A very large seismic data set collected from the Mississippi canyon in the Gulf of Mexico is used to produce the 3-D seismic images of the ocean interior. The initial images obtained using massive hardware/software efforts exhibit promising results for further studies.