varvevectofluviometervector mapvector spaceveering of windveering windvegetated channelvegetation covervelocityvelocity area methodvelocity coefficientvelocity distributionvelocity headvelocity head coefficientvelocity metervelocity of approachvelocity of retreatvelocity profilevelopausevena contractaventilateventuri flumeventuri meterventuri tubevericulateverificationverkhovodkaverticalvertical axisvertical gatevertical intakevertical interval = terrace intervalvertical pipevertical velocityvertical velocity divergencevertical visibilityvertical wind velocityvertically exaggerated modelvertisolsvery deep gullyvery fine sandvery short range forecastvibrationviewshedvirtual temperatureviscosimeterviscosityviscousviscous flowviscous fluid