Hydroscatt 6

Introduction

Using the HydroScat

Calibration

Data processing

The HydroScatt6 measures backscattering coefficient at six different wavelengths. It also has the capacity of measuring stimulated fluorescence at two wavelengths. It comes with a pressure sensor. The instrument can be operated in an autonomous manner or as part as a data acquisition system.

In the autonomous mode, the HydroScatt runs from its own batteries and data is logged in the instrument nonvolatile memory.

We usually use it with a Wetlabs Modaps unit to power the instrument and collect the data. This allows us to merge the HydroScat data with other instruments like an AC9 or a CTD (discussed the data processing section).

The principle of operation of the instrument is illustrated in the figure below (figure obtained from the HydroScat Manual):

ac-9 | safire | hydroscat-6 | spmr | tsrb | modaps

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Oregon State University
College of Oceanic and Atmospheric Sciences
Environmental Optics - 1999