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A model study of potential sampling errors due to data scatter around expendable bathythermograph transects in the tropical PacificA linear multiple vertical-mode model described by McPhaden et al. (1988) is used to examine potential errors due to data scatter around expendable bathythermograph (XBT) transects in the tropical Pacific. Two methods of sampling are compared. In the first, the model was sampled along approximately straight lines of grid points corresponding to the mean positions of XBT tracks in the eastern, central, and western Pacific; in the second, the model was sampled again at the dates and locations of actual XTB casts for 1979-1983. The model indicates that the data scattered zonally around XBT transects in general can lead to about 2 dyn cm error in dynamic height in composite sections of XBT data. Errors larger than 2 dyn cm occurred in regions where XBT sample spacing in the zonal direction was insufficient to resolve Rossby wave variations in the model.
Document ID
19880058927
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Mcphaden, Michael J.
(NOAA, Pacific Marine Environmental Laboratory, Seattle WA, United States)
Busalacchi, Antonio J.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Picaut, Joel
(Office de la Recherche Scientifique et Technique Outre-Mer Noumea, New Caledonia)
Raymond, Gary
(Washington, University Seattle, United States)
Date Acquired
August 13, 2013
Publication Date
July 15, 1988
Publication Information
Publication: Journal of Geophysical Research
Volume: 93
ISSN: 0148-0227
Subject Category
Oceanography
Accession Number
88A46154
Funding Number(s)
CONTRACT_GRANT: JPL-957647
CONTRACT_GRANT: NASA TASK 161-20-31
Distribution Limits
Public
Copyright
Other

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