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Collected Notes on the Basics of Pressure-Equipped Inverted Echo Sounder Analysis

Published Date:

2019

Series:

NOAA technical memorandum OAR AOML ; 51

[PDF-2.09 MB]

Details:

DOI:

https://doi.org/10.25923/2sfh-7827

Personal Authors:

Meinen, Christopher S.

Corporate Authors:

Oceanic and Atmospheric Research Laboratories (U.S.) . Atlantic Oceanographic and Meteorological Laboratory .

Keywords:

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Description:

The pressure-equipped inverted echo sounder (PIES) is a powerful oceanographic tool that can provide, when combined with historical hydrographic data, full-water-column estimates of temperature, salinity, density, and dynamic height anomaly. Arrays of PIES can provide full-water-column estimates of geostrophic velocity as well. As with any measurement system, the PIES has limitations, but it also has significant strengths, including: relatively low equipment costs; simple deployment/recovery requirements; long deployment lengths (up to 5 years); and the ability to acoustically transmit daily-averaged data to a nearby research ship without recovering the instrument. These strengths make the PIES a good tool for the study of ocean currents in many deep ocean regions.

Document Type:

Technical Report

Collection(s):

Office of Oceanic and Atmospheric Research (OAR)

Main Document Checksum:

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Supporting Files:

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