Category Archives: Air pollution

A 29 July 2014 trio of NASA photographs show numerous fires burning in Canadas Northwest Territories — smoke as far as eastern Canada’s Labrador Sea — in an implied demonstration of how environment is connected Comments Off on A 29 July 2014 trio of NASA photographs show numerous fires burning in Canadas Northwest Territories — smoke as far as eastern Canada’s Labrador Sea — in an implied demonstration of how environment is connected

© 2014 Peter Free Citation Jeff Schmaltz, Lynn Jenner, and Brian Dunbar, Northwest Territories On Fire and Smoke Drifts Over Labrador Sea, Goddard Space Flight Center – NASA (07 August 2014) Click on the Northwest Territories fires picture to see jetstream smoke transported as far away as the Labrador sea There is also a link […]

Modeling (and indirectly confirming measurements) show that — Athabasca Oil Sands Region tailings ponds may be contributing 100 to 1000 times more polycyclic aromatic hydrocarbon air pollution — than that directly generated by oil sands oil extraction Comments Off on Modeling (and indirectly confirming measurements) show that — Athabasca Oil Sands Region tailings ponds may be contributing 100 to 1000 times more polycyclic aromatic hydrocarbon air pollution — than that directly generated by oil sands oil extraction

© 2014 Peter Free Citation — to study Abha Parajulee and Frank Wania, Evaluating officially reported polycyclic aromatic hydrocarbon emissions in the Athabasca oil sands region with a multimedia fate model, Proceedings of the National Academy of Sciences [PNAS], DOI: 10.1073/pnas.1319780111 (published ahead of print, 03 February 2014) Citation — to press release Patchen Barss, […]

Wildfires may contribute more to climate warming than current computer models account for — due to particle compositions and their morphologies — a Los Alamos National Laboratory (New Mexico) study — but there are some caveats Comments Off on Wildfires may contribute more to climate warming than current computer models account for — due to particle compositions and their morphologies — a Los Alamos National Laboratory (New Mexico) study — but there are some caveats

© 2013 Peter Free Citation — to study Swarup China, Claudio Mazzoleni, Kyle Gorkowski, Allison C. Aiken, and Manvendra K. Dubey, Morphology and mixing state of individual freshly emitted wildfire carbonaceous particles, Nature Communications  4: 2122, DOI:10.1038/ncomms3122 (04 July 2013) Citation — to press release Nancy Ambrosiano, Particle analysis shows “tar ball” effect is significant, […]

Volcanic emission of sulfur dioxide appears to have reduced the anticipated increase in global warming by up to 25 percent over approximately the last decade — a climate modeling study from the University of Colorado Comments Off on Volcanic emission of sulfur dioxide appears to have reduced the anticipated increase in global warming by up to 25 percent over approximately the last decade — a climate modeling study from the University of Colorado

© 2013 Peter Free Citation — to study R. R. Neely III, O. B. Toon, S. Solomon, J. P. Vernier, C. Alvarez, J. M. English, K. H. Rosenlof, M. J. Mills, C. G. Bardeen, J. S. Daniel, and J. P. Thayer, Recent anthropogenic increases in SO2 from Asia have minimal impact on stratospheric aerosol, Geophysical […]

Air pollution may be the cause of increased cyclonic activity in the Arabian Sea Comments Off on Air pollution may be the cause of increased cyclonic activity in the Arabian Sea

Air pollution apparently reduces the monsoonal wind shear that previously destroyed powerful cyclones in the region During monsoon season, easterly upper level winds and southwesterly lower level winds create wind shear that generally destroys Arabian Sea cyclones after they reach about 85 kilometer per hour (kph) wind speeds.  However, since about 1998, five large storms […]