Arctic Air Pollution: Origins and Impacts

@article{citeulike:1178286, abstract = {Notable warming trends have been observed in the Arctic. Although increased human-induced emissions of long-lived greenhouse gases are certainly the main driving factor, air pollutants, such as aerosols and ozone, are also important. Air pollutants are transported to the Arctic, primarily from Eurasia, leading to high concentrations in winter and spring (Arctic haze). Local ship emissions and summertime boreal forest fires may also be important pollution sources. Aerosols and ozone could be perturbing the radiative budget of the Arctic through processes specific to the region: Absorption of solar radiation by aerosols is enhanced by highly reflective snow and ice surfaces; deposition of light-absorbing aerosols on snow or ice can decrease surface albedo; and tropospheric ozone forcing may also be contributing to warming in this region. Future increases in pollutant emissions locally or in mid-latitudes could further accelerate global warming in the Arctic. 10.1126/science.1137695}, author = {Law, Kathy S. and Stohl, Andreas}, citeulike-article-id = {1178286}, doi = {10.1126/science.1137695}, journal = {Science}, keywords = {aerosol, albedo, anthropogenic, arctic, climate, emissions, fire, ozone, warming}, month = {March}, number = {5818}, pages = {1537--1540}, posted-at = {2007-03-20 19:17:46}, priority = {2}, title = {Arctic Air Pollution: Origins and Impacts}, url = {http://dx.doi.org/10.1126/science.1137695}, volume = {315}, year = {2007} }

TY - JOUR ID - citeulike:1178286 L3 - citeulike-article-id:1178286 N2 - Notable warming trends have been observed in the Arctic. Although increased human-induced emissions of long-lived greenhouse gases are certainly the main driving factor, air pollutants, such as aerosols and ozone, are also important. Air pollutants are transported to the Arctic, primarily from Eurasia, leading to high concentrations in winter and spring (Arctic haze). Local ship emissions and summertime boreal forest fires may also be important pollution sources. Aerosols and ozone could be perturbing the radiative budget of the Arctic through processes specific to the region: Absorption of solar radiation by aerosols is enhanced by highly reflective snow and ice surfaces; deposition of light-absorbing aerosols on snow or ice can decrease surface albedo; and tropospheric ozone forcing may also be contributing to warming in this region. Future increases in pollutant emissions locally or in mid-latitudes could further accelerate global warming in the Arctic. 10.1126/science.1137695 IS - 5818 JF - Science EP - 1540 TI - Arctic Air Pollution: Origins and Impacts VL - 315 SP - 1537 KW - aerosol KW - albedo KW - anthropogenic KW - arctic KW - climate KW - emissions KW - fire KW - ozone KW - warming AU - Law, Kathy AU - Stohl, Andreas PY - 2007/03/16/ UR - http://dx.doi.org/10.1126/science.1137695 ER -