lateral motionlateral reservoirlateral spillwaylatitudelatosollavakalayer stabilityleachleachateleachingleaching requirementleaf area indexleaf gatelean clayleast squares methodleeleewardleft overbanklegendleminographlemniscate ratiolength of damlength ratiolenticular cloudleveeleveed channellevellevel of saturationlevel of significancelevel terracelevel waterley farminglife cyclelight rainlight soillightninglightning channellightning damagelightning dischargelightning echolightning flashlightning recorderliminglimit submergelimit submergence heightlimits of oscillationlimnologylinearlinear differential equation first orderlinear erosion