[Eoas-seminar] Fwd: Workshop/Fieldtrips/Seminar next week

eoas-seminar at lists.fsu.edu eoas-seminar at lists.fsu.edu
Fri Oct 26 09:25:41 EDT 2018

Dear All,

Our department will have a seminar today, and below are the title, short bio of the speaker, and the abstract. See you at 3:30pm today in the seminar room. Thanks.


Seminar: Delineating Recharge Areas for America’s Large Springs

3:30-4:30pm, Friday, Oct. 26, CAR 101

Speaker: Tom Aley, President and Senior Hydrogeologist, Ozark Underground Laboratory, Protem, Missouri. Mr. Aley received B.S. and M.S. degrees from the University of California-Berkeley in 1960 and 1962.  From 1966 to 1973 he directed the Hurricane Creek study, which was the U.S. Forest Service’s type example study for land and water management in karst areas. He is the founder and president of the Ozark Underground Laboratory and has been involved in the design and conduct of over 4,000 groundwater traces in the US and on all continents except the Antarctic.

Abstract: For 50 years Tom Aley has been involved in groundwater tracing studies for delineating areas that contribute water to large springs in Florida, Arkansas, Missouri, Texas, Idaho, and Alaska. He has been a leader in developing practical methods and strategies for tracing water underground with fluorescent dyes. He will focus on advancements in the science of groundwater tracing and on utilizing the results from tracer studies to better manage water resources in groundwater systems where rapid and long distance water transport are important. Groundwater flow, especially in karst and fractured rock aquifers, largely follows localized preferential flow routes. One result is that modeling often under-estimates groundwater travel rates for first arrival times of tracer dyes by one and sometimes two or three orders of magnitude. Activated carbon samplers are critical to credible and cost-effective groundwater tracing programs.  They adsorb and retain the tracer dyes.  Based on 281 sampling periods of 6 to 8 days duration at springs dye concentrations eluted from carbon samplers averaged 445 times larger than the mean concentrations measured in associated water samples.  The mean accumulation factor for monitoring wells is 166 due to partial dye depletion from water in contact with activated carbon particles.

Questions: Contact Professor Ming Ye, Phone: 644-4587, Email: mye at fsu.edu<mailto:mye at fsu.edu>

Ming Ye, Ph.D.
Professor in Hydrogeology
Department of Earth, Ocean, and Atmospheric Science
Office: 303 Carraway Building
Department of Scientific Computing
Office: 489 Dirac Science Library
Florida State University
Tallahassee, FL 32306
Phone: 850-644-4587 Fax: 850-644-0098
Cell: 850-567-4488
Email: mye at fsu.edu<mailto:mye at fsu.edu>
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