Air & Climate Newsletter
January 10, 2013

This Week´s Featured News Stories
NASA Chases Climate Change Clues Into The Stratosphere
Starting this month, NASA will send a remotely piloted research aircraft as high as 65,000 feet over the tropical Pacific Ocean to probe unexplored regions of the upper atmosphere for answers to how a warming climate is changing Earth. The first flights of the Airborne Tropical Tropopause Experiment (ATTREX), a multi-year airborne science campaign with a heavily instrumented Global Hawk aircraft, will take off from and be operated by NASA`s Dryden Flight Research Center at Edwards Air Force Base in California. The Global Hawk is able to make 30-hour flights. Water vapor and ozone in the stratosphere ...
$26 billion market for mobile and stationary catalytic and thermal treatment
In 2013 just under $26 billion will be spent to remove carbon monoxide, volatile organic compounds and particulate carbon from stationary and mobile sources. Ninety-two percent of the market purchases will be for mobile sources. This is the conclusion reached in Thermal/Catalytic World Air Pollution Markets published by the McIlvaine Company. (www.mcilvainecompany.com) Gasoline fueled vehicles typically use a 3-way catalyst (TWC) to convert three pollutants: carbon monoxide (CO), hydrocarbons (HC) and oxides of nitrogen (NOx) to carbon dioxide (CO2), water (H2O) and nitrogen (N2). Diesel-fueled ...
We are happy to announce the implementation of the dispersion model PROKAS to our Software product SELMA GIS
SELMAGIS is a system for Air Pollution Modelling and Visualization as an extension in ArcGIS 9.1 - 9.3, 10. SELMAGIS offers a unique graphical user interface to work with different dispersion models. There are implemented yet AUSTAL2000, OML-Highway, MEMO and MARS/MUSE and now PROKAS. PROKAS is able to calculate traffic induced air pollution and includes different module’s. PROKAS_E calculates traffic emissions based on traffic density, traffic situation and emission factors. The air pollution concentration can be calculated in street canyons by PROKAS_B and at receptor points without major buildings by PROKAS_V. PROKAS is able to handle single streets and large street networks as well.

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