8 Changing Morphometry

The lake shape will influence the water balance and pattern of vertical stratification. The lake’s shape in GLM is resolved using a hypsographic curve - that is the relationship between height and wetted area. This is captured in the glm.nml &morphometry section.

Edit the heights and areas of the lake using &morphometry: H and A. Remember that the first area must be 0 m² and that all of the heights and areas must be monotonically increasing. Create a very steep-sided lake or a very shallow lake. Compare the degree of stratification with your original simulation.