HOME >> BIOLOGY >> NEWS
Wind-borne pollutants may travel thousands of miles

COLLEGE STATION, - Air pollution is not just a local problem. In fact, research by geoscientists at Texas A&M University find that pollutants can travel thousands of miles, so the air you breathe may contain pollutants brought by the wind.

A team of geoscientists -- June-Soo Park, Steve Sweet, and Terry Wade -- at Texas A&M's Geochemical and Environmental Research Group (GERG) came to these conclusions while studying how pollutants such as polynuclear aromatic hydrocarbons (PAHs), pesticides, and polychlorinated biphenyls (PCBs) are transported in the atmosphere to Galveston and Corpus Christi bays and removed by rain and dust. The scientists also studied how gaseous pollutants are exchanged between the air and water.

They found that air pollutants could be transported over long distances instead of being trapped in the ocean or the soil, and that gaseous water pollutants could evaporate into the atmosphere instead of staying in the ocean. In both cases, the airborne pollutants could lead to deposition of pollutants long distances from where they were produced or used.

"Most scientists used to think that organic pollutants were not present as gas in the air," Wade says. "To our surprise, we have learned over the last 30 years that organic pollutants can be in the vapor phase, which means that they can be transported over long distances."

For example, high levels of pesticides such as DDT, chlordane and toxaphene are present in beluga whales from the Arctic, where they were not used.

"What we do here in Texas can affect what is happening in the Arctic," Wade says. "We have added these contaminants to the environment, and now we can see that they are showing up in areas where we would not have expected them to be."

To assess the whereabouts of the pollutants, Wade and his collaborators used rain and air samplers that they installed close to Galveston and Corpus Christi bays.

A rain sampler that opens only whe
'"/>

Contact: Judith White
jw@univrel.tamu.edu
979-845-4664
Texas A&M University
19-Sep-2001


Page: 1 2 3

Related biology news :

1. New tool predicts how long pollutants will stay in soil
2. New space-borne instrument to track greenhouse gases, ozone destroyers, and other pollutants
3. Film found on windows after 9/11 reveals higher level of pollutants
4. New study begins to unravel fate of toxic pollutants harbored in Arctic waters
5. Novel bacterium detoxifies chlorinated pollutants
6. Mediterranean fishery recovers, thanks to manmade pollutants
7. Research shows how pollutants affect tree growth
8. Urban air pollution linked to birth defects for first time; UCLA research links two pollutants to increased risk of heart defects
9. Vapor-recovery system captures and recycles air pollutants
10. Aerosol pollutants in atmosphere likely masking global warming
11. Road dust: Rural vehicles emit more pollutants than urban ones

Post Your Comments:
*Name:
*Comment:
*Email:


(Date:4/5/2017)... April 4, 2017 KEY FINDINGS ... expand at a CAGR of 25.76% during the forecast ... the primary factor for the growth of the stem ... https://www.reportbuyer.com/product/4807905/ MARKET INSIGHTS The global stem cell ... application, and geography. The stem cell market of the ...
(Date:3/30/2017)... 2017 The research team of The Hong ... fingerprint identification by adopting ground breaking 3D fingerprint minutiae recovery and ... speed and accuracy for use in identification, crime investigation, immigration control, ... ... A research team led ...
(Date:3/27/2017)... ROCKVILLE CENTRE, N.Y. , March 27, 2017 ... by Healthcare Information and Management Systems Society (HIMSS) ... Analytics Outpatient EMR Adoption Model sm . In ... top 12% of U.S. hospitals using an electronic ... recognized CHS for its high level of EMR ...
Breaking Biology News(10 mins):
(Date:6/23/2017)... ... ... Biova, LLC., the leader in water soluble egg membrane ingredients, announced today ... bring a wealth of scientific experience in the food, beverage, nutrition and dietary supplement ... of four major global companies in the last 4 decades. He has a ...
(Date:6/23/2017)... and CARDIFF, UK (PRWEB) , ... June 23, 2017 , ... ... and Brian Lula, president of Physik Instrumente USA, have been selected as this year’s ... photonics . , The two have been invited along with other honorees to accept ...
(Date:6/23/2017)... (PRWEB) , ... June 23, 2017 , ... ... for model aircraft flying hobbyists, and the University Aviation Association (UAA), the unifying ... students. The UAS4STEM Collegiate Challenge will encourage teamwork, competition, and success through a ...
(Date:6/22/2017)... ... 21, 2017 , ... RMC Pharmaceutical Solutions, Inc. announces the ... to manage the new site. , Tim has 25 years of pharmaceutical experience, ... role as the Director of Manufacturing and Supplier Quality Assessment. This group ...
Breaking Biology Technology:
Cached News: