CLM Urban model requirements

Science requirements:

Software Engineering requirements:

• All input files are NetCDF
• Input is directed through the clm_inparm namelist
• Input files use getfil functionality to get from disk or MSS.
• CPP variables are kept to a minimum
• Input files nicely encapsulate data that needs to change
• Design is not overly complex
• Design allows for future development of urban and other area types
• Modules are private