( ( Water ( quality managers ) ) ( ( use ( ( the ( term ( `` ( siltation '' ) ) ) ) ( to ( ( describe ( ( the ( ( suspension and ) deposition ) ) ( of ( small ( sediment particles ) ) ) ) ) ( in waterbodies ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Water) (NN quality) (NNS managers)) (VP (VBP use) (S (NP (DT the) (NN term) (`` ``) (NN siltation) ('' '')) (VP (TO to) (VP (VB describe) (NP (NP (DT the) (NN suspension) (CC and) (NN deposition)) (PP (IN of) (NP (JJ small) (NN sediment) (NNS particles)))) (PP (IN in) (NP (NNS waterbodies))))))) (. .)))
Water quality managers use the term &quot;siltation&quot; to describe the suspension and deposition of small sediment particles in waterbodies .
(ROOT (S (NP (NNS Sediments)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (DT the) (JJ small) (NNS particles)))) (SBAR (IN that) (S (NP (NNS rocks)) (VP (VBP are) (VP (VBN worn) (PRT (RP down)) (PP (TO to)) (PP (IN by) (NP (NN water) (CC and) (NN wind)))))))) (. .)))