Cloudless aerosol forcing efficiency in the UV region from AERONET and WOUDC databases | Zendy

García O. E. | Zendy; Díaz A. M. | Zendy; Expósito F. J. | Zendy; Díaz J. P. | Zendy; Gröbner J. | Zendy; Fioletov V. E. | Zendy

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Cloudless aerosol forcing efficiency in the UV region from AERONET and WOUDC databases

Author(s) -

García O. E.,

Díaz A. M.,

Expósito F. J.,

Díaz J. P.,

Gröbner J.,

Fioletov V. E.

Publication year - 2006

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/2006gl026794

Subject(s) - aeronet , aerosol , environmental science , forcing (mathematics) , atmospheric sciences , climatology , meteorology , geography , physics , geology

Aerosol Robotic Network (AERONET) and World Ozone and Ultraviolet Data Center (WOUDC) combined information have been used to calculate the aerosol forcing efficiency under cloud‐free conditions, ΔF e , in the ultraviolet region (290–325 nm) at surface. The stations of these global networks have been collocated spatial and temporarily, resulting three common stations: two in Canada, representative of background conditions (Bratt's Lake and Saturna Island) and one in Italy, characterized by rural and industrial aerosols (Ispra). The monthly ΔF e was calculated during spring and summer time in the common period, 1999 to 2004, and for the Cimel wavelengths 500, 440, 380 and 340 nm. The ΔF e values range from −0.65 ± 0.07 Wm −2 / τ 500 to −0.36 ± 0.03 Wm −2 / τ 340 for Ispra, whereas for the Canadian observatories the interval varies from −2.07 ± 0.62 Wm −2 / τ 500 to −0.16 ± 0.23 Wm −2 / τ 340 . No significant annual or seasonal trends for the ΔF e were found in any station.

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