( ( The model ) ( ( requires ( ( data ( ( ( ( on ( ( ( ( ( ( ( current ( , ( winds ( , ( waves ( and ( sea ( surface temperatures ) ) ) ) ) ) ) ) ( from ( ( the ( Navy 's ) ) ( Fleet ( Numerical ( Meteorological ( and ( Oceanography Center ) ) ) ) ) ) ) ) , ) ( ( ( the ( National Oceanic ) ) and ) ( Atmospheric Administration ) ) ) , ) and ) ( ( the ( Meteorological Service ) ) ( of Canada ) ) ) ) , ) and ) ( from ( satellite-tracked drift ) ) ) ) buoys ) ) . ) )
(ROOT (S (NP (DT The) (NN model)) (VP (VBZ requires) (SBAR (S (NP (NP (NNS data)) (PP (PP (IN on) (NP (NP (NP (JJ current) (, ,) (NNS winds) (, ,) (NNS waves) (CC and) (NN sea) (NN surface) (NNS temperatures)) (PP (IN from) (NP (NP (DT the) (NNP Navy) (POS 's)) (NNP Fleet) (NNP Numerical) (NNP Meteorological) (CC and) (NNP Oceanography) (NNP Center)))) (, ,) (NP (NP (DT the) (NNP National) (NNP Oceanic)) (CC and) (NP (NNP Atmospheric) (NNP Administration))) (, ,) (CC and) (NP (NP (DT the) (NNP Meteorological) (NNP Service)) (PP (IN of) (NP (NNP Canada)))))) (, ,) (CC and) (PP (IN from) (NP (JJ satellite-tracked) (NN drift))))) (VP (VBZ buoys))))) (. .)))
The model requires data on current, winds, waves and sea surface temperatures from the Navy's Fleet Numerical Meteorological and Oceanography Center,  the National Oceanic and Atmospheric Administration, and the Meteorological Service of Canada, and from satellite-tracked drift buoys.
(ROOT (NP (NP (NNP Ocean) (NNS waves) (NN travel)) (PRN (-LRB- -LRB-) (PRP s) (-RRB- -RRB-)) (PP (IN at) (NP (NP (DT the) (NN interface)) (PP (IN between) (NP (NP (DT the) (NN sea) (NN surface)) (CC and) (NP (DT the) (NN atmosphere)))))) (. .)))