Below are posted codes that I have used in my research that are not available elsewhere.

Matlab code used in the paper: Abbot, D.S. and E.R. Switzer (2011), The Steppenwolf: A proposal for a habitable planet in interstellar space, Astrophysical Journal Letters, 735:L27, doi:10.1088/2041-8205/735/2/L27. [PDF]

Matlab Semnter sea ice scheme used in the paper: Abbot, D.S., I. Eisenman, and R.T. Pierrehumbert (2010), The Importance of Ice Resolution for Snowball Climate and Deglaciation, Journal of Climate, 23(22), 6100-6109, DOI: 10.1175/2010JCLI3693.1. [PDF]

Modifications to CAM code (Fortran) used to set the cloud radiative forcing to control values in the paper: Abbot, D.S., C.C. Walker, and E. Tziperman (2009), Can a convective cloud feedback help to eliminate winter and spring sea ice at high CO2 concentrations? Journal of Climate, 22(21), 5719-5731, DOI: 10.1175/2009JCLI2854.1. [PDF]

Matlab code for simple convection model used in the paper: Abbot, D.S. and E. Tziperman (2009), Controls on the Activation and Strength of a High Latitude Convective Cloud Feedback, Journal of the Atmospheric Sciences, 66(2), 519-529, DOI: 10.1175/2008JAS2840.1. [PDF]

Fortran code for energy balance model used in the paper: Abbot, D.S. and E. Tziperman (2008), A High Latitude Convective Cloud Feedback and Equable Climates, Quarterly Journal of the Royal Meteorological Society, 134(630), 165-185, DOI: 10.1002/qj.211. [PDF]