12 Feb 2004 The following datasets scon_hs_1870-2100_c040211.nc scon_lean_1870-2100_c040210.nc were created Feb 2004 by Gary Strand (strandwg@ucar.edu) Original data provided by Caspar Ammann, ammann@ucar.edu from the following papers: scon_hs_1870-2100_c040211.nc: Hoyt, Douglas V. and Kenneth H. Schatten, "A discussion of plausible solar irradiance variations 1700-1992." Journal of Geophysical Research, 1993, 98, A11 18,895-18,906" scon_lean_1870-2100_c040210.nc: Lean J., J. Beer and R.S. Bradley, 1995: "Reconstruction of solar irradiance since 1610: Implications for climate change." Geophys. Res. Lett. 22(23), 3195-3198. The 1990 value was adjusted to 1367 W/m^2.