Drought A long period without precipitation Drought cycle Cycles of wet and dry years Evaporation Process by which liquid is changed into vapor at temperatures below boiling point Evapotranspiration The sum of water evaporation and plant transpiration.
(liquid; is changed; into vapor; L:at temperatures below boiling point Evapotranspiration)
liquid
is changed
into vapor L:at temperatures below boiling point Evapotranspiration