landholderlandlockedlandsat satellitelandscapelandslidelangleylangley per minutelangrange celerity equationlanguagelapieslapse ratelarge scale atmospheric processeslarge scale hydrologic modelinglarge scale hydrologic processeslatent erosionlatent heatlatent heat of fusionlatent instabilitylateral currentlateral motionlateral reservoirlateral spillwaylatitudelatosollavakalayer stabilityleachleachateleachingleaching requirementleaf area indexleaf gatelean clayleast squares methodleeleewardleft overbanklegendleminographlemniscate ratiolength of damlength ratiolenticular cloudleveeleveed channellevellevel of saturationlevel of significancelevel terracelevel water