Livingston, J. M., V. Kapustin, B. Schmid, P. B. Russell, P. Quinn, T. S. Bates, P. A. Durkee, P. J. Smith, V. Freudenthaler, D. S. Covert, S. Gassó, D. A. Hegg, D. R. Collins, R. C. Flagan, J. H. Seinfeld, V. Vitale, and C. Tomasi (2000), Shipboard sunphotometer measurements of aerosol optical depth spectra and columnar water vapor during ACE 2 and comparison to selected land, ship, aircraft, and satellite measurements, Tellus, 52, 594-619.