Acoustic doppler current profiler observations during the Coastal Ocean Advances in Shelf Transport (COAST) Survey I : R/V Wecoma cruise W0105c, 23 May to 13 June 2001 Public Deposited

http://ir.library.oregonstate.edu/concern/defaults/w6634863z

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  • We present velocity observations from a shipboard acoustic Doppler current profiler (ADCP) on R/V Wecoma during cruise W0105c (23 May to 13 June 2001). The cruise was a component (Survey I) of the Coastal Ocean Advances in Shelf Transport (COAST) experiment. The ADCP was an RD Instruments hull-mounted 153.6-kHz narrowband unit. Data were collected nearly continuously using an ensemble averaging interval of 2.5 min and a vertical bin length of 8 m. This implies an inherent short-term random uncertainty of 2 cm/s for each data point; this uncertainty is reduced with additional space or time averaging. To reference the velocities to earth coordinates, we used GPS navigation in combination with the ship’s gyrocompass and a GPS attitude system. Our processing methods are generally standard ones, primarily making using of the CODAS software package as described at http://ilikai.soest.hawaii.edu/sadcp. Overall ADCP data quality for the cruise was excellent. To produce the vector maps here, we applied 5 km spatial averaging. For the sections, we contoured using a two-pass Barnes method with horizontal (vertical) smoothing of 5 km (24 m) and 2.5 km (12 m) for the first and second passes. An online version of this report is available at http://damp.coas.oregonstate.edu/coast/adcp. In addition, the complete data set and all processing details are available from the NODC Joint Archive for Shipboard ADCP: http://ilikai.soest.hawaii.edu/sadcp. A cruise narrative is included in the companion Seasoar data report (COAS Data Report 191, Ref. 2003-1) available at http://damp.coas.oregonstate.edu/coast/seasoar. This work was funded by National Science Foundation grant OCE-9907854.
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  • description.provenance : Submitted by Laura Wilson (laura.wilson@oregonstate.edu) on 2008-02-20T23:50:19Z No. of bitstreams: 1 DR_no_189.pdf: 9692778 bytes, checksum: dfeead6bb6492dfb70e6945bc97ff8a2 (MD5)
  • description.provenance : Made available in DSpace on 2008-02-20T23:56:43Z (GMT). No. of bitstreams: 1 DR_no_189.pdf: 9692778 bytes, checksum: dfeead6bb6492dfb70e6945bc97ff8a2 (MD5) Previous issue date: 2002
  • Data report (Oregon State University. College of Oceanic and Atmospheric Sciences)
  • description.provenance : Approved for entry into archive by Digital Production(digitalproduc@gmail.com) on 2008-02-20T23:56:43Z (GMT) No. of bitstreams: 1 DR_no_189.pdf: 9692778 bytes, checksum: dfeead6bb6492dfb70e6945bc97ff8a2 (MD5)
  • Reference (Oregon State University. College of Oceanic and Atmospheric Sciences)
  • 2002-5
  • 189

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