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Instrument: Turbidity Meter

Acronym: Turbidity Meter

External Identifier:

Description

A turbidity meter measures the clarity of a water sample. A beam of light is shown through a water sample. The turbidity, or its converse clarity, is read on a numerical scale. Turbidity determined by this technique is referred to as the nephelometric method from the root meaning "cloudiness". This word is used to form the name of the unit of turbidity, the NTU (Nephelometric Turbidity Unit). The meter reading cannot be used to compare the turbidity of different water samples unless the instrument is calibrated. Description from: http://www.gvsu.edu/wri/education/instructor-s-manual-turbidity-10.htm

(One example is the Orion AQ4500 Turbidimeter)

Datasets (9)

Dataset Name	PI-Supplied Description	PI-Supplied Name
CTD data collected in the Guaymas Basin, Gulf of California from R/V Atlantis cruise AT42-05 in 2018 and R/V Falkor cruise FK190211 in 2019		WET labs ECO-NTU Turbidity Meter
Bottle sample data and water processing samples from CTD casts from the first cruise of SPIROPA project, R/V Neil Armstrong cruise AR29, to the New England Shelfbreak in April 2018.	WET Labs offers the Environmental Characterization Optics (ECO) series of meters that incorporate a common set of options with a single basic design to make them ideal for a wide variety of deployments. The NTU provides: Unparalleled sensitivity of the ECO in an optical scattering measurement at 660 nm for determining turbidity. Turbidity measurement data that is not affected by CDOM concentration, unlike instruments that attempt to measure turbidity by using blue wavelengths. The option of analog output for easy integration into CTD packages. Excellent precision, reliability and overall performance at a fraction of the cost and size of similar instruments.	Turbidity, WET Labs ECO
Bottle sample data from CTD casts from the third cruise of SPIROPA project, R/V Thomas G. Thompson cruise TN368, to the New England Shelfbreak in July of 2019		Turbidity, WET Labs ECO
CTD casts from the SPIROPA project from R/V Neil Armstrong cruise AR29, Ronald H. Brown cruise RB1904 and R/V Thomas G. Thompson cruise TN368 to the New England Shelfbreak in 2018 and 2019		Turbidity, WET Labs ECO
Environmental and physical data associated with ocean acidification microbe adaptation from 2012-2014	Used to analyze turbidity	Orion AQ4500
Processed CTD data (binned) and station information for the PE21-18 Microbial DO respir cruise (15 total casts) aboard the R/V Pelican during April and May 2021		Chelsea Aquatracka 3 Chl_a
Processed CTD data (unbinned) and station information for the PE21-18 Microbial DO respir cruise (15 total casts) aboard the R/V Pelican during April and May 2021		Chelsea Aquatracka 3 Chl_a
Laboratory-cultured Synechococcus (WH8102 and WH5701) growth (vivo fluorescence) on dissolved organic phosphorus (DOP) from experiments between 2018-2023		AquaFluor® Handheld Fluorometer and Turbidimeter (Turner Designs)
Turbidity measured by handheld turbidimeter at the PICO time-series station (34.7181 deg N, 76.6707 deg W) from 2010-2012 (PICO project)	An Orion AQ4500 Turbidimeter was used to measure turbidity of discrete samples.	Turbidity Meter