( ( In addition ) ( , ( ( air ( and ( precipitation quality ) ) ) ( ( are ( measured ( on ( regional scales ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (NN addition))) (, ,) (NP (NN air) (CC and) (NN precipitation) (NN quality)) (VP (VBP are) (VP (VBN measured) (PP (IN on) (NP (JJ regional) (NNS scales))))) (. .)))
In addition, air and precipitation quality are measured on regional scales.
(ROOT (NP (NP (NP (VBG Rising)) (CC and) (NP (VBG sinking) (NN air) (NNS influences))) (VP (VBN precipitation) (PP (IN in) (NP (DT a) (NN region)))) (. .)))