The Computational Lab for Advanced Water Resources Informatics and Modeling https://clawiki.isnew.info/ 2026-04-21T22:12:09+00:00 https://clawiki.isnew.info/ https://clawiki.isnew.info/_media/wiki/logo.png text/html 2024-08-04T04:28:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://clawiki.isnew.info/projects/rincon_arroyo_hec-ras_2d_modeling?rev=1722745723&do=diff Rincon Arroyo HEC-RAS 2D modeling Workspace This is the objective function surface of an unsteady 2D HEC-RAS model that minimizes the volume error and maximizes the NSE by trying 10,000 different combinations of the curve number and Manning’s n. That best model (still with a 5.75% volume error) is very hard to find on a relatively flat valley. Calibrating the RAS parameters for an arid region like southern New Mexico is not easy at all without much flow data.