eCLM-ParFlow-PDAF

[jjokella]

Steps towards eCLM-ParFlow-PDAF:

1. Working compilation

   • eCLM-ParFlow related fixes in PDAF interface #30

2. TODO: Re-tracing communicator management through the whole code.

3. TODO: Turn an eCLM-ParFlow experiment into a eCLM-ParFlow-PDAF DA experiment.