NDLI: Validation of the installation of CTD sensors on an AUV

Content Provider	IEEE Xplore Digital Library
Author	Bales, J.W.
Copyright Year	1996
Description	Author affiliation: Underwater Vehicles Lab., MIT, Cambridge, MA, USA (Bales, J.W.)
Abstract	Autonomous underwater vehicles (AUVs) will allow oceanographers to collect more data, at lower cost, than traditional means. To achieve widespread acceptance within the oceanographic community, AUVs must deliver data of comparable quality to that collected by conventional means. The fundamental measurements for physical oceanography are the pressure, temperature and electrical conductivity of water over a range of locations and depths, measurements that are usually referred to as "CTD" for conductivity, temperature, and depth. This paper discusses the accuracies required for measuring water conductivity, temperature, and pressure for physical oceanographic applications and describes the method used to validate the CTD package on a specific AUV. Temperature measurements made in the deep ocean with the Odyssey-II AUV agreed to within 0.001 degrees Celsius to those made with a standard oceanographic CTD package. This work represents a first step in the process of defining protocols for validating CTD in an AUV. The approach used allow us to place a quantitative upper bound in the perturbation of the CTD measurements by the Odyssey II AUV.
Starting Page	430
Ending Page	437
File Size	678564
Page Count	8
File Format	PDF
ISBN	0780331850
DOI	10.1109/AUV.1996.532444
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-06-02
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sea measurements Conductivity measurement Pressure measurement Ocean temperature Electric variables measurement Temperature distribution Temperature measurement Packaging Underwater vehicles Costs
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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