weir pond or box
Pond upstream from a weir usually used to reduce the velocity of approach and allow for full contraction of flow for measurement purposes. Also acts as a trap.
Authorization Path: 2.4.5.2.20.15
Pond upstream from a weir usually used to reduce the velocity of approach and allow for full contraction of flow for measurement purposes. Also acts as a trap.
Authorization Path: 2.4.5.2.20.15