Trends in Saharan dust and tropical Atlantic climate during 1980–2006 Export

@article{Fol08, abstract = {Trends in tropical Atlantic sea surface temperature (SST), Sahel rainfall, and Saharan dust are investigated during 1980–2006. This period is characterized by a significant increase in tropical North Atlantic SST and the transition from a negative to a positive phase of the Atlantic multidecadal oscillation (AMO). It is found that dust concentrations over western Africa and the tropical North Atlantic Ocean decreased significantly between 1980 and 2006 in association with an increase in Sahel rainfall. The decrease in dust in the tropical North Atlantic tended to increase the surface radiative heat flux by 0.7 W m−2 which, if unbalanced, would lead to an increase in SST of 3°C. Coupled models significantly underestimate the amplitude of the AMO in the tropical North Atlantic possibly because they do not account for changes in Saharan dust concentration. }, author = {Foltz, Gregory R. and Mcphaden, Michael J.}, citeulike-article-id = {4195203}, citeulike-linkout-0 = {http://www.agu.org/pubs/crossref/2008/2008GL035042.shtml}, citeulike-linkout-1 = {http://dx.doi.org/10.1029/2008GL035042}, day = {25}, doi = {10.1029/2008GL035042}, issn = {0094-8276}, journal = {Geophysical Research Letters}, keywords = {amo, atlantic, decadal, dust, sahara}, month = {October}, number = {20}, pages = {L20706+}, posted-at = {2009-03-19 14:31:58}, priority = {2}, title = {Trends in Saharan dust and tropical Atlantic climate during 1980–2006}, url = {http://dx.doi.org/10.1029/2008GL035042}, volume = {35}, year = {2008} }

TY - JOUR ID - Fol08 L3 - citeulike-article-id:4195203 N2 - Trends in tropical Atlantic sea surface temperature (SST), Sahel rainfall, and Saharan dust are investigated during 1980–2006. This period is characterized by a significant increase in tropical North Atlantic SST and the transition from a negative to a positive phase of the Atlantic multidecadal oscillation (AMO). It is found that dust concentrations over western Africa and the tropical North Atlantic Ocean decreased significantly between 1980 and 2006 in association with an increase in Sahel rainfall. The decrease in dust in the tropical North Atlantic tended to increase the surface radiative heat flux by 0.7 W m−2 which, if unbalanced, would lead to an increase in SST of 3°C. Coupled models significantly underestimate the amplitude of the AMO in the tropical North Atlantic possibly because they do not account for changes in Saharan dust concentration. IS - 20 JF - Geophysical Research Letters SN - 0094-8276 TI - Trends in Saharan dust and tropical Atlantic climate during 1980–2006 VL - 35 SP - L20706 KW - amo KW - atlantic KW - decadal KW - dust KW - sahara AU - Foltz, Gregory AU - Mcphaden, Michael PY - 2008/10/25/ UR - http://dx.doi.org/10.1029/2008GL035042 ER -