LOGICAL useRBCvVel
& useRBCvVel,
IF ( tracerNum.EQ.-2 .AND. useRBCvVel ) THEN
IF ( useRBCvVel .AND. relaxVFile.NE.' ' ) THEN
& (useRBCvVel .AND. relaxVFile.NE.' ') ) THEN
IF ( useRBCuVel .OR. useRBCvVel ) THEN
IF ( useRBCvVel ) THEN
IF ( useRBCvVel .AND. relaxMaskVFile.NE. ' ' ) THEN
ELSEIF( useRBCvVel ) THEN
IF( useRBCuVel .OR. useRBCvVel ) THEN
useRBCvVel =.FALSE.
& ', useRBCvVel=',useRBCvVel,')'
IF ( useRBCvVel .AND. tauRelaxV.LE.0. ) THEN