barchanoid ridgebare fallowbare soilbargagebariebarkhanbaroclinebarocline atmospherebaroclinicitybarogrambarographbarometerbarometeric pressurebarometric effectsbarometric efficiencybarometric fluctuationbarometric tidebaroscopebarotropic atmospherebarotropic disturbancebarotropic instabilitybarotropic modelbarotropic pressure functionbarotropic vorticity equationbarotropybarrackbarragebarrierbarrier boundarybarrier springbarrier stripbasal coverbase flowbase flow seperation curvebase levelbase linebase loadbase mapbase runofbase saturationbase stationbase temperaturebasic databasic functionbasic hydrologic databasic hydrologic informationbasic levelbasic machine languagebasic parabolabasic slag