L. V. Benson S. W. Hostetler 1994 <p><span>A physically based model of variations in&nbsp;</span><i>δ</i>¹⁸<span>O and&nbsp;</span><i>δ</i>²<span>H in Pyramid Lake is presented. For inputs, the model uses measurements of liquid water inflows and outflows and their associated isotopic compositions and a set of meteorological data (radiative fluxes, air temperature, relative humidity, and windspeed). The model simulates change of lake volume, thermal and isotopic stratification, evaporation, and the isotopic composition of evaporation. A validation of the model for 1987–1989 and 1991 indicates that it can reproduce measured intra‐ and interannual variations of&nbsp;</span><i>δ</i>¹⁸<span>O and&nbsp;</span><i>δ</i>²<span>H. Three applications of the model demonstrate its ability to simulate longer term responses of&nbsp;</span><i>δ</i>¹⁸<span>O to change in the hydrologic balance and hydrologic characteristics (opening and closing) of the lake.</span></p> application/pdf 10.4319/lo.1994.39.2.0356 en Association for the Sciences of Limnology and Oceanography Stable isotopes of oxygen and hydrogen in the Truckee River–Pyramid Lake surface‐water system. 2. A predictive model of δ18O and 182H in Pyramid Lake article