630 | | ||[=#PA0399 PA0399] |||| |
631 | | ||[=#PA0400 PA0400] |||| |
632 | | ||[=#PA0401 PA0401] |||| |
633 | | ||[=#PA0402 PA0402] |||| |
| 630 | ||[=#PA0399 PA0399] ||lsm requires setting of bc_pt_b = "dirichlet" and bc_q_b = "dirichlet" ||In case the land surface model (LSM) is used, the surface fluxes have to be calculated by means of surface values of potential temperature and humidity (that are provided by the LSM), which reflects setting dirichlet boundary conditions. || |
| 631 | ||[=#PA0400 PA0400] ||lsm requires prandtl_layer = .T.||The land surface model (LSM) requires the assumption of a constant flux layer (Prandtl layer) between the surface and the first computational grid point in order to calculate heat and momentum fluxes. || |
| 632 | ||[=#PA0401 PA0401] ||veg_type = 0 (user defined) requires setting of root_fraction(0:3) = 9999999.9 and SUM(root_fraction) = 1||In case a user-defined vegetation is used, the root distribution of the plants to each of the soil layers must be explicitly set using the parameter root_fraction. The sum of the fractions then must sum up to 1. || |
| 633 | ||[=#PA0402 PA0402] ||lsm requires radiation = .T.||The land surface model (LSM) can only be used in combination with a radiation model that provides the incoming shortwave radiation as well as the net radiation at the surface. || |