( ( ( ( ( Discusses precipitation ) , ) runoff ) , ) ( ( surface ( ( ( ( ( ( ( flow , ) ( groundwater movement ) ) , ) ( effects ( of ( vegetation ( on ( water cycles ) ) ) ) ) ) , ) and ) ( human impacts ) ) ) . ) )
(ROOT (S (NP (NP (JJ Discusses) (NN precipitation)) (, ,) (NP (NN runoff)) (, ,)) (VP (VBP surface) (NP (NP (NP (NN flow)) (, ,) (NP (NN groundwater) (NN movement))) (, ,) (NP (NP (NNS effects)) (PP (IN of) (NP (NP (NNP vegetation)) (PP (IN on) (NP (NN water) (NNS cycles)))))) (, ,) (CC and) (NP (JJ human) (NNS impacts)))) (. .)))
Discusses precipitation, runoff, surface flow, groundwater movement, effects of vegetation on water cycles, and human impacts.
(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))))))) (. .)))