TY - JOUR A1 - Mahowald, N. M. A1 - Ballantine, J. A. A1 - Feddema, J. A1 - Ramankutty, N. T1 - Global trends in visibility: implications for dust sources JO - Atmos. Chem. Phys. J1 - ACP VL - 7 IS - 12 SP - 3309 EP - 3339 Y1 - 2007/06/26 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/7/3309/2007/ L1 - https://acp.copernicus.org/articles/7/3309/2007/acp-7-3309-2007.pdf DO - 10.5194/acp-7-3309-2007 ER -