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Cutting Specific Atmospheric Pollutants Would Slow Sea Level Rise

By Guest PostApril 25, 2013Environmentaixue hu, amsterdam, anjuli bamzai, atmospheric pollutants, black carbon, boulder, carbon dioxide, carbon dioxide emissions, claudia tebaldi, climate central, climate change, computer model, effect, geochemistry, greenhouse gases, heat trapping pollutants, hydrofluorocarbons, important factor, melting ice, methane, miami, mumbai, NASA, national science foundation, ncar, new york, noaa, rising oceans, san diego, scientist, sea-level rise, sio, soot in exhaust, this century, tokyo, tropospheric ozone, us epa, veerabhadran ramanathan, yangyang x

Decreasing emissions of black carbon, methane and other pollutants makes a difference

With coastal areas bracing for rising sea levels, new research indicates that cutting emissions of certain pollutants can greatly slow sea level rise this century.

Scientists found that reductions in four pollutants that cycle comparatively quickly through the atmosphere could temporarily forestall the rate of sea level rise by roughly 25 to 50 percent.

The researchers focused on emissions of four heat-trapping pollutants: methane, tropospheric ozone, hydrofluorocarbons and black carbon. (more…)

Link Between Air Pollution and Cyclone Intensity in Arabian Sea

By Guest PostNovember 5, 2011Environmentabcs, aerosol, air pollution, amato evan, anjuli bamzai, arabian sea, arabian sea cyclones, atmospheric and oceanic circulation patterns, atmospheric brown clouds, atmospheric concentrations of pollutants, biomass, chul eddy chung, climate, climatological vertical wind shear, cyclone gonu, cyclone phet, diesel emissions, gujarat, gulf of oman, gwangju institute of science and technology, himalayan glacial melting, India, iran, james p kossin, lpg fuel, monsoon season, national science foundation, oman, Pakistan, pollution, rainfall patterns in south asia, scripps institution of oceanography, sea surface temperatures, south korea, storms, university of virginia, veerabhadran ramanathan, wind shear patterns

*Disruption of wind shear enables stronger storms*

Pollution is making Arabian Sea cyclones more intense, according to a study in this week’s issue of the journal Nature.

Traditionally, prevailing wind shear patterns prohibit cyclones in the Arabian Sea from becoming major storms.

The Nature paper suggests that weakening winds have enabled the formation of stronger cyclones in recent years–including storms in 2007 and 2010 that were the first recorded storms to enter the Gulf of Oman. (more…)

Testing the Water for Bioenergy Crops

By Guest PostSeptember 3, 2011Environmentanjuli bamzai, atmospheric humidity, carbon dioxide in the atmosphere, changing climate, corn, darren drewry, energy, environmental advocates, Germany, grasses, hydrologic cycle, hydrology, land conversion, large scale biofuel production, large scale land conversion, limiting factor, max planck institute, miscanthus, phong le, praveen kumar, rainfall patterns, runoff, soil moisture, switchgrass, university of illinois at urbana champaign, vietnam education foundation, water

*Water significant limiting factor in growing crops like switchgrass*

Energy researchers and environmental advocates are excited about the prospect of gaining more efficient large-scale biofuel production by using large grasses like miscanthus or switchgrass rather than corn.

They have investigated yields, land use, economics and more, but one key factor of agriculture has been overlooked: water.

“While we are looking for solutions for energy through bioenergy crops, dependence on water gets ignored, and water can be a significant limiting factor,” said Praveen Kumar, an environmental engineer and atmospheric scientist at the University of Illinois at Urbana-Champaign. (more…)

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Cutting Specific Atmospheric Pollutants Would Slow Sea Level Rise

Link Between Air Pollution and Cyclone Intensity in Arabian Sea

Testing the Water for Bioenergy Crops