Set up a simulation with routage highres

Author: L. Rinchiuso

Routage highres is developped by Jan Polcher. It is currently available in branch ORCHIDEE_2_2 since revision 7576.

Do as follow if running ORCHIDEE_2_2 offline

• Use an experiment with the new driver
• Use revision 7576 or more recent on branch ORCHIDEE_2_2. Compile as default.
• Create a routing_graph.nc file routing_graph.nc files with the codes hydrolinks/Point2Pixel ​https://gitlab.in2p3.fr/ipsl/lmd/intro/hydrofiles/-/tree/master/Point2Pixel and routingpp ​https://gitlab.in2p3.fr/ipsl/lmd/intro/routingpp/-/tree/Hydrolinks (branch Hydrolinks of routingpp) to be used instead of the stanfard routing.nc. To run this last code a grid of the atmospheric forcing is needed, if not available it can be created with this code ​https://gitlab.in2p3.fr/ipsl/lmd/intro/gengeogrid
  • To run the highres routing with the SAFRAN forcing, you can use the routing_graph.nc here: /gpfsstore/rech/ngp/uzb75jm/Test_SAFRAN_hydrolinks_MERIT_nbasmax15_MaxDistErr5_MaxUpstErr20_graph_complete.nc This routing graph file has been created with revision 8db844da of Point2Pixel and revision 38402872 of the branch Hydrolinks of routingpp, and it includes GRDC stations and ca 4000 Explore 2 simulation points.
  • Then a few examples of routing graph for different forcings will be added to the shared forcing file repositories.

• In run.def set:

RIVER_ROUTING=y
ROUTING_METHOD = highres

• In COMP/sechiba.card in BoundaryFiles?, set:

(/gpfswork/rech/ngp/uzb75jm/SAFRAN/SAFRAN_15nbasmax_20MaxUpstrErr_10MaxDistErr_MERIT_graph_topo.nc, routing_graph.nc), \

Note: when using SAFRAN (as for the example above) activate the GRID and follow the procedure for a regular_x_y grid, i.e.

• In run.def set:

GRID_FILE = grid.nc

• In COMP/orchideedriver.card in ListNonDel? set:

(/gpfsstore/rech/ngp/uzb75jm/geogrid_SAFRAN.nc, grid.nc)