• Angstrom, A. (1929), On the transmission of sun radiation and on dust in the air, Geogr. Ann., 2, 156166.
  • Clothiaux, E., et al. (1999), The atmospheric radiation measurement program cloud radars: Operational modes, J. Atmos. Sci., 56, 819827.
  • Fairall, C., and J. Hare (1990), An eight-month sample of marine stratocumulus cloud fraction, albedo and integrated liquid water, J. Clim., 3, 847864.
  • Harrison, L. C., J. J. Michalsky, and J. Berndt (1994), Automated multifilter rotating shadowband radiometer: An instrument for optical depth and radiation measurements, Appl. Opt., 33(22), 51185125.
  • IPCC (2007), Climate Change: The Physical Science Basis, in Contribution of working group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change,, edited by S. Solomon et al., pp. 996, Cambridge Univ. Press, United Kingdom and New York, NY, USA.
  • Long, C. N., and T. P. Ackerman (2000), Identification of clear skies from broadband pyranometer measurements and calculation of downwelling shortwave cloud effects, J. Geophys. Res., 105(D12), 15,60915,626.
  • Long, C. N., T. P. Ackerman, K. L. Gaustad, and J. N. S. Cole (2006a), Estimation of fractional sky cover from broadband shortwave radiometer measurements, J. Geophys. Res., 111, D11204, doi:10.1029/2005JD006475.
  • Long, C. N., J. M. Sabburg, J. Calbo, and D. Pages (2006b), Retrieving cloud characteristics from ground-based daytime color all-sky images, J. Atmos. Oceanic Tech., 23(5), 633652.
  • Min, Q. L., and L. C. Harrison (1996), Cloud properties derived from surface MFRSR measurements and comparison with GOES results at the ARM SGP site, Geophys. Res. Lett., 23(13), 16411644.
  • Min, Q., E. Joseph, and M. Duan (2004), Retrievals of thin cloud optical depth form a multifilter rotating shadowband radiometer, J. Geophys. Res., 109, D02201, doi:10.1029/2003JD003964.
  • Minnis, P. (1989), Viewing zenith angle dependence of cloudiness determined from coincident GOES EAST and GOES WEST data, J. Geophys. Res., 94(D2), 23032320.
  • Pfister, G., R. L. McKenzie, J. B. Liley, A. Thomas, B. W. Forgan, and C. N. Long (2003), Cloud coverage based on all-sky imaging and its impact on surface solar irradiance, J. Appl. Meteorol., 42(10), 14211434.
  • Randall, D., J. Coakley Jr., C. Fairall, R. Kropfli, and D. Lenschow (1984), Outlook for research on subtropical marine stratiform clouds, Bull. Am. Meteorol. Soc., 65, 12901301.
  • Rossow, W., A. Walker, and L. Garder (1993), Comparison of ISCCP and other cloud amounts, J. Clim., 6, 23942418.
  • Wang, T., and Q. Min (2008), Retrieving optical depths of optically thin and mixed-phase clouds from MFRSR measurements, J. Geophys. Res., doi:10.1029/2008JD009958, in press.