This webinar allows you to get an inside look at the implementation of one of the most sustainable, economically, environmentally and socially responsible wastewater treatment plants of the 21st century. This project has resulted in multiple benefits with widespread impact on the engineering community including:
Join us to hear about the challenges faced and the innovative strategies used to tackle this huge undertaking. Click here to register now.
We are offering PDH credits of 1.5 hrs. for this session. Each registration is a site license for up to 5 users to earn PDHs. Please call if you have any questions. We look forward to presenting this timely webinar for you.
Date: Wednesday November 12, 2014
Time: 1:00 pm to 2:30 pm Eastern Time
Registration Link: http://awma.peachnewmedia.com/store/seminar/seminar.php?seminar=31104
Price: $99 AAEES Members (use discount code AAEES at checkout)
The 2015 Specialty Certification has begun. Renew online now at the AAEES Center.
AAEES celebrates 100 years of the activated sludge process with a special issue of Environmental Engineer and Scientist. Featuring articles by Daniel W. Schneider, Alonzo W. Lawrence, Andrew C. Middleton, Ross E. McKinney, Richard I. Dick, Glen T. Daigger, James L. Barnard, George Tchobanoglous, H. David Stensel, and the original Ardern and Lockett article.
This special collector's issue is only $10 (plus shipping and handling). Click here to order your copy!
Display the Academy's Environmental Engineering and Science Excellence Plaque to let everyone know that you employ environmental engineers and environmental scientists who are board certified. Click here to order now!
Date: October 8, 2014
Source: Oregon State University
A study of the removal of two dams in Oregon suggests that rivers can return surprisingly fast to a condition close to their natural state, both physically and biologically, and that the biological recovery might outpace the physical recovery.
The analysis, published by researchers from Oregon State University in the journal PLOS One, examined portions of two rivers -- the Calapooia River and Rogue River. It illustrated how rapidly rivers can recover, both from the long-term impact of the dam and from the short-term impact of releasing stored sediment when the dam is removed.
Most dams have decades of accumulated sediment behind them, and a primary concern has been whether the sudden release of all that sediment could cause significant damage to river ecology or infrastructure.
However, this study concluded that the continued presence of a dam on the river constituted more of a sustained and significant alteration of river status than did the sediment pulse caused by dam removal.
"The processes of ecological and physical recovery of river systems following dam removal are important, because thousands of dams are being removed all over the world," said Desirée Tullos, an associate professor in the OSU Department of Biological and Ecological Engineering.
"Dams are a significant element in our nation's aging infrastructure," she said. "In ...click here to continue.
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