( ( On ( a ( global scale ) ) ) ( , ( ( most ( of ( ( the evapotranspiration ) ( of ( water ( on ( ( the ( Earth 's ) ) surface ) ) ) ) ) ) ) ( ( ( occurs ( in ( the ( subtropical oceans ) ) ) ) ( -LRB- ( Figures ( ( ( 8i-1 and ) 8i-2 ) -RRB- ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN On) (NP (DT a) (JJ global) (NN scale))) (, ,) (NP (NP (JJS most)) (PP (IN of) (NP (NP (DT the) (NN evapotranspiration)) (PP (IN of) (NP (NP (NN water)) (PP (IN on) (NP (NP (DT the) (NN Earth) (POS 's)) (NN surface)))))))) (VP (VBZ occurs) (PP (IN in) (NP (DT the) (JJ subtropical) (NNS oceans))) (PRN (-LRB- -LRB-) (ADVP (RB Figures)) (ADJP (JJ 8i-1) (CC and) (JJ 8i-2)) (-RRB- -RRB-))) (. .)))
On a global scale, most of the evapotranspiration of water on the Earth's surface occurs in the subtropical oceans ( Figures 8i-1 and 8i-2 ).
(ROOT (S (NP (NP (JJS Most)) (PP (IN of) (NP (NP (NN earth) (POS 's)) (NN water)))) (VP (VBZ is) (VP (VBN located) (PP (IN in) (NP (NNS oceans)))))))