National Oceanic and
Atmospheric Administration
United States Department of Commerce


FY 2011

Ship-based repeat hydrography: A strategy for a sustained global program

Hood, M., M. Fukasawa, N. Gruber, G.C. Johnson, A. Körtzinger, C. Sabine, B. Sloyan, K. Stansfield, and T. Tanhua

doi: 10.5270/OceanObs09.cwp.44, In Proceedings of the "OceanObs'09: Sustained Ocean Observations and Information for Society" Conference (Vol. 2), Venice, Italy, 21–25 September 2009, Hall, J., D.E. Harrison, and D. Stammer, Eds., ESA Publication WPP-306 (2010)

Ship-based hydrography is the only method for obtaining high-quality measurements with high spatial and vertical resolution of a suite of physical, chemical, and biological parameters over the full ocean water column, and in areas of the ocean inaccessible to other platforms. Global hydrographic surveys have been carried out approximately every decade since the 1970s through research programs such as GEOSECS, TTO/SAVE, WOCE / JGOFS, and CLIVAR. It is time to consider how future surveys can build on these foundations to create a coordinated network of sustained ship-based hydrographic sections that will become an integral component of the ocean observing system. This white paper provides scientific justification and guidelines for the development of a regular and coordinated global survey.

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