WMS:HEC-1 Channel Losses
From XMS Wiki - http://wikis.aquaveo.com/xms/
Constant channel losses may be defined by defining values for the RL record. These parameters include the following:
- QLOSS - Constant channel loss in entire routing in cfs (cms). This value is subtracted from every ordinate of the inflow hydrograph.
- CLOSS - Ratio of remaining flow (after QLOSS) which is lost for entire routing. After subtracting QLOSS each inflow hydrograph ordinate is multiplied by (1-CLOSS).
- PERCRT - Percolation rate cfs/acre (cu m/sec-acre) for wetted surface area of channel. This option is used in conjunction with storage routing and requires SA or SV/SE records to be defined.
- ELVINV - Average invert elevation of channel L used to compute flow surface area for PERCRT.
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