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Comparison of the number of stations by instrument type in WOD05
with previous NODC/WDC global ocean databases
 
Dataset NODC (1974)1 NODC (1991)2 WOA94 WOD98 WOD01 WOD05
OSD3 425,000 783,912 1,194,407 1,373,440 2,121,042 2,258,437
CTD4 na 66,450 89,000 189,555 311,943 443,953
MBT5 775,000 980,377 1,922,170 2,077,200 2,376,206 2,421,935
XBT 290,000 704,424 1,281,942 1,537,203 1,743,590 1,930,399
MRB na na na 107,715 297,936 445,371
DRB na na na na 50,549 108,564
PFL na na na na 22,637 168,988
UOR na na na na 37,645 46,699
APB na na na na 75,665 75,665
GLD na na na na na 338
Total Casts 1,490,000 2,535,163 4,487,519 5,285,113 7,037,213 7,900,349
Plankton       83,650 142,900 150,250
SUR6 na   na na 4,743 9,178

1 Based on statistics from Climatological Atlas of the World Ocean (1982).
2 Based on NODC Temperature Profile CD-ROM.
3 WOD05 OSD dataset includes data from 121,625 low-resolution CTD casts and 864 low-resolution XCTD casts.
4 WOD05 CTD dataset includes data from 2,478 high-resolution XCTD casts.
5 WOD05 MBT dataset includes data from 80,212 DBT profiles and 5,659 Micro-BT profiles.
6 Surface data are represented differently from profile data in the database – all observations in a single
cruise have been combined into one “cast” with zero depth, value(s) of variable(s) measured, latitude, longitude,
and Julian year-day to identify data and position of individual observations.

  Last modified:    Wed, 3-Oct-2007 16:53 UTC NODC.Webmaster@noaa.gov
 
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