Farming pollutants
Nature Geoscience
2009년6월22일
Ammonia emissions may have been underestimated in the Northern Hemisphere, according to a study published online in Nature Geoscience. Ammonia in the atmosphere reduces air quality and when deposited threatens biodiversity. This study's findings highlight the need for regulatory controls of ammonia emissions in the Northern Hemisphere.
Using satellite data from 2008, Lieven Clarisse and colleagues created a global map of atmospheric ammonia concentrations. They found several ammonia hotspots, primarily over agricultural regions in Asia, Europe, and North America. The satellite-derived estimates of ammonia concentrations exceeded those attained from model simulations in the northern hemisphere, suggesting that current accounts underestimate emissions.
doi: 10.1038/ngeo551
리서치 하이라이트
-
6월29일
Environment: 1.81 billion people at risk of 1-in-100 year floodNature Communications
-
6월28일
Astronomy: Hydrogen- and helium-rich exoplanets may provide habitable conditions for billions of yearsNature Astronomy
-
6월28일
Climate change: Decline in tropical cyclones during the twentieth centuryNature Climate Change
-
6월24일
Environment: Assessing the impacts of US school lunches on climate, land and waterCommunications Earth & Environment
-
6월24일
Palaeontology: It sucked to be the prey of ancient cephalopodsScientific Reports
-
6월23일
Scientific community: Women credited less than men in scientific paper authorshipNature
