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Fluorescence sensor measurements in sediment suspensions to evaluate turbidity corrections

Metadata Updated: January 7, 2026

The use of field-deployable fluorescence sensors to better understand dissolved organic matter concentrations and composition has grown immensely in recent years. Applications of these sensors to critical monitoring efforts have also grown to encompass post-fire monitoring, wastewater tracking, and use as a proxy for various contaminants. Despite the growth, it is well known that these sensors are subject to various interferences and require corrections for temperature, turbidity, and concentration effects. Although temperature corrections are widely applicable across sensors, the turbidity and concentration corrections can be site-specific and/or sensor-specific. The corrections can even be subject to changes in manufacturing within a sensor type, as has been raised as a concern for the USGS’s most widely used fDOM (fluorescence of dissolved organic matter) sensor manufactured by Xylem/YSI. Currently there is limited guidance on the proper corrections for sensors used within the USGS. As the use of these sensors continues to grow, the need for greater standardization of the measurements among sites and through time will also grow. This data release compiles the measurements collected from multiple lab experiments using Elliot Silt Loam. The data contained herein will be used to assess the variability of fDOM corrections for turbidity.

Access & Use Information

Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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Dates

Metadata Created Date January 7, 2026
Metadata Updated Date January 7, 2026

Metadata Source

Harvested from DOI USGS DCAT-US

Additional Metadata

Resource Type Dataset
Metadata Created Date January 7, 2026
Metadata Updated Date January 7, 2026
Publisher U.S. Geological Survey
Maintainer
Identifier http://datainventory.doi.gov/id/dataset/USGS_645d22e7d34ec179a8388d08
Data Last Modified 2023-11-16T00:00:00Z
Category geospatial
Public Access Level public
Bureau Code 010:12
Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
Metadata Catalog ID https://ddi.doi.gov/usgs-data.json
Schema Version https://project-open-data.cio.gov/v1.1/schema
Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
Harvest Object Id 40136775-9db1-4c88-872b-8d376ab8110d
Harvest Source Id 2b80d118-ab3a-48ba-bd93-996bbacefac2
Harvest Source Title DOI USGS DCAT-US
Metadata Type geospatial
Old Spatial -121.6600, 38.0900, -121.0100, 38.7300
Source Datajson Identifier True
Source Hash 2400a04593a716c7b7fba729432347ffc61af3fd3528796707e30868d0d5fd2a
Source Schema Version 1.1
Spatial {"type": "Polygon", "coordinates": -121.6600, 38.0900, -121.6600, 38.7300, -121.0100, 38.7300, -121.0100, 38.0900, -121.6600, 38.0900}

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