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C67 DRIFTER DATA (FIRST 4 PARAMETERS FOR SUB DRIFTER, SECOND 6 FOR SUB LAGRANGIAN)
*
* ISPD: 1 TO ACTIVE SIMULTANEOUS RELEASE AND LAGRANGIAN TRANSPORT OF
* NEUTRALLY BUOYANT PARTICLE DRIFTERS AT LOCATIONS INPUT ON C68
* 2 TO ACTIVATE DS-INTERNATIONAL'S LPT DRIFTER COMPUTATIONS (DRIFTER.INP)
* NPD: NUMBER OF PARTICLE DRIFTERS
* NPDRT: TIME STEP AT WHICH PARTICLES ARE RELEASED
* NWPD: NUMBER OF TIME STEPS BETWEEN WRITING TO TRACKING FILE
* DRIFTER.OUT
* ISLRPD: 1 TO ACTIVATE CALCULATION OF LAGRANGIAN MEAN VELOCITY OVER TIME
* INTERVAL TREF AND SPATIAL INTERVAL ILRPD1<I<ILRPD2,
* JLRPD1<J<JLRPD2, 1<K<KC, WITH MLRPDRT RELEASES. ANY AVERAGE
* OVER ALL RELEASE TIMES IS ALSO CALCULATED
* 2 SAME BUT USES A HIGHER ORDER TRAJECTORY INTEGRATION
* ILRPD1 WEST BOUNDARY OF REGION
* ILRPD2 EAST BOUNDARY OF REGION
* JLRPD1 NORTH BOUNDARY OF REGION
* JLRPD2 SOUTH BOUNDARY OF REGION
* MLRPDRT NUMBER OF RELEASE TIMES
* IPLRPD 1,2,3 WRITE FILES TO PLOT ALL,EVEN,ODD HORIZ LAG VEL VECTORS
*
C67 ISPD NPD NPDRT NWPD ISLRPD ILRPD1 ILRPD2 JLRPD1 JLRPD2 MLRPDRT IPLRPD