( It ( ( ( is ( at ( the ( sea surface ) ) ) ) ( that ( ( the ocean ) ( ( ( responds ( most ( ( directly and ) rapidly ) ) ) ( to ( the atmosphere ) ) ) ( through ( ( the ( air-sea fluxes ) ) ( of ( ( heat ( , ( mass ( , ( and momentum ) ) ) ) ) ( from ( atmosphere ( to ( ocean ( and ( vice versa ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (PP (IN at) (NP (DT the) (NN sea) (NN surface))) (SBAR (IN that) (S (NP (DT the) (NN ocean)) (VP (VBZ responds) (ADVP (RBS most) (RB directly) (CC and) (RB rapidly)) (PP (TO to) (NP (DT the) (NN atmosphere))) (PP (IN through) (NP (NP (DT the) (JJ air-sea) (NNS fluxes)) (PP (IN of) (NP (NP (NN heat) (, ,) (NN mass) (, ,) (CC and) (NN momentum)) (PP (IN from) (NP (NP (NN atmosphere)) (PP (TO to) (NP (NN ocean) (CC and) (NN vice) (NNS versa))))))))))))) (. .)))
It is at the sea surface that the ocean responds most directly and rapidly to the atmosphere through the air-sea fluxes of heat, mass, and momentum from atmosphere to ocean and vice versa.
(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)))))) (. .)))