| Glacier temperature can be directly measured at selected locations, but extrapolation is often required as data at high elevations are sparse and glacier-wide temperatures are needed for distributed melt models. A new model to extrapolate summer temperatures (May - August) is developed from data collected at Haig Glacier to address this need. Air temperatures are computed using the new model at Haig and Kwadacha Glaciers. The model accounts for solar radiation, albedo, synoptic weather systems, valley walls and elevation. It is driven by readily available weather station and synoptic data. While developing the model, an albedo model is created, the most effective way to include solar radiation is determined and the heating effects of valley walls are analyzed. The new model does not improve upon the constant lapse rate model. However, results suggest that month-specific multivariate models that have a greater emphasis on elevation may improve model performance. |
