Application of precise line shape measurements to determine the vapor pressure of ice in the temperature range from 0 to −70° C

We performed spectroscopic measurement of the vapor pressure of ice. We describe an experimental method that enables such a measurement over a wide temperature range that covers the change of the vapor pressure of ice by a few orders of magnitude. Our preliminary results have relative uncertainties at the sub‐percent level and are compared to correlations given by Wexler [A. Wexler, J. Res. NBS 81A, 5 (1977)] and Marti and Mauersberger [J. Marti and K. Mauersberger, Geophys. Res. Lett. 20,363 (1993)].