bltseattle:
Typically intake rates and storage account for most precip duration/intensity. Lateral flow is controlled by the same gradients as vertical flow.... dependent upon slope, head, total gradient..... and thus the discharge relationship is purely a function of drainage spacing. These...
I would enjoy discussing some of my experience in working with on-structure (rooftop) gardens and landscapes (including athletic fields). Let me know if anyone is interested in this related topic.