( ( ( The ( constant circulation ) ) ( of ( water ( through ( ( the environment ) ( by ( ( ( ( ( the processes ) ( of ( precipitation ( , ( infiltration ( , ( percolation ( , ( runoff ( , ( evaporation ( , ( transpiration ( , ( ground-water ( ( discharge and ) recharge ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) , ) and ) interflow ) ) ) ) ) ) ) ( ( is ( called ( the ( hydrologic cycle ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ constant) (NN circulation)) (PP (IN of) (NP (NP (NN water)) (PP (IN through) (NP (NP (DT the) (NN environment)) (PP (IN by) (NP (NP (NP (DT the) (NNS processes)) (PP (IN of) (NP (NN precipitation) (, ,) (NN infiltration) (, ,) (NN percolation) (, ,) (NN runoff) (, ,) (NN evaporation) (, ,) (NN transpiration) (, ,) (JJ ground-water) (NN discharge) (CC and) (NN recharge)))) (, ,) (CC and) (NP (NN interflow))))))))) (VP (VBZ is) (VP (VBN called) (NP (DT the) (JJ hydrologic) (NN cycle)))) (. .)))
The constant circulation of water through the environment by the processes of precipitation, infiltration, percolation, runoff, evaporation, transpiration, ground-water discharge and recharge, and interflow is called the hydrologic cycle.
(ROOT (S (NP (NP (NN Precipitation) (CC and) (NN runoff)) (PP (IN in) (NP (DT the) (NN water) (NN cycle)))) (VP (VBP are) (ADVP (RB primarily)) (ADJP (JJ responsible) (PP (IN for) (NP (NP (DT the) (NN creation)) (PP (IN of) (NP (DT a) (NN lake))))))) (. .)))