( Aquifers ( ( ( ( present ( ( the advantage ) ( of ( having ( ( ( large ( to ( huge ( volume storage ) ) ) ) capacity ) ( with ( a ( ( very low ) flow ) ) ) ) ) ) ) ) and ) ( ( are easily ) ( accessed ( ( ( through ( ( dug-wells or ) ( ( ( bore holes ) , ) ( ( ( ( either pumped ) or ) flowing ) ( -LRB- ( ( artesian wells ) -RRB- ) ) ) ) ) ) or ) ( through springs ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Aquifers)) (VP (VP (VBP present) (NP (NP (DT the) (NN advantage)) (PP (IN of) (S (VP (VBG having) (NP (NP (ADJP (JJ large) (PP (TO to) (NP (JJ huge) (NN volume) (NN storage)))) (NN capacity)) (PP (IN with) (NP (DT a) (ADJP (RB very) (JJ low)) (NN flow))))))))) (CC and) (VP (VBP are) (ADVP (RB easily)) (VP (VBN accessed) (PP (PP (IN through) (NP (NP (NNS dug-wells)) (CC or) (NP (NP (JJ bore) (NNS holes)) (, ,) (NP (NP (DT either) (VBG pumped) (CC or) (VBG flowing)) (PRN (-LRB- -LRB-) (NP (NN artesian) (NNS wells)) (-RRB- -RRB-)))))) (CC or) (PP (IN through) (NP (NNS springs))))))) (. .)))
Aquifers present the advantage of having large to huge volume storage capacity with a very low flow and are easily accessed through dug-wells or bore holes, either pumped or flowing (artesian wells) or through springs.
(ROOT (S (NP (NNP Dig) (NNP a)) (ADVP (RB well)) (VP (VBZ allows) (S (NP (NNS people)) (VP (TO to) (VP (VB access) (NP (NN water)) (PP (IN in) (NP (NP (DT an) (NN aquifer)) (SBAR (WHNP (WDT that)) (S (VP (VBZ does) (RB not) (VP (VB flow) (PP (IN from) (NP (NP (DT a) (NN spring)) (CC or) (NP (DT a) (NN geyser)))))))))))))) (. .)))