organic contentorganic depositorganic farmingorganic fertilizerorganic soilorganizationorientationorientation of intakeorificeorifice meterorifice spillwayorograpgic rainorographicorographic cloudorographic precipitationorographic rainfallorographic vortexorographic windorohydrographyorometerorthogonalorthogonal contrastos=ose eskeroscillatingoscillating jumposcillationosmotic potentialoutcropoutfalloutflowoutgoing radiationoutletoutlet channeloutlet lossoutlet loss coefficientoutlet structureoutlet submergedoutlet unsubmergedoutput analysisoutput pointoutput trminaloutwashoutwash fanover toppingover year storageoverbankoverbank flowoverbank storageoverburdenovercast
