Benthic Fluxes of Fluorescent Dissolved Organic Material, Salt, and Heat Measured by Multiple-Sensor Aquatic Eddy Covariance
Abstract
:1. Introduction
2. Materials and Methods
2.1. Instrumentation
2.2. Data Analysis
2.3. Seepage Rates, Temperature Profiles, Solar Radiation, Porewater Samples, TOC, Conductivity
2.4. Heat Flux Measurement
2.5. Salt Flux Measurement
2.6. Field Deployments
3. Results
3.1. Deployment Conditions
3.2. Velocity Data Quality
3.3. Concentration Measurements
3.4. Eddy Fluxes of Salinity
3.5. Eddy Fluxes of Heat
3.6. Eddy Fluxes of DOC
4. Discussion
4.1. Salt Fluxes
4.2. Heat Fluxes
4.3. DOC Fluxes
4.3.1. Ambient Light Effects
4.3.2. FDOM vs. DOC
4.3.3. A Biotic Sink for DOC at the Concord River
5. Conclusions
5.1. Synergism among Sensor Channels
5.2. Tracer Techniques for other Biogeochemicals and Pollutants
5.3. DOC Fluxes, and the Utility of a Fast Spectrofluorometric Sensor
5.4. Instrument Development
Supplementary Materials
Author Contributions
Funding
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Hu, I.H.; Hemond, H.F. Benthic Fluxes of Fluorescent Dissolved Organic Material, Salt, and Heat Measured by Multiple-Sensor Aquatic Eddy Covariance. Sensors 2022, 22, 8984. https://doi.org/10.3390/s22228984
Hu IH, Hemond HF. Benthic Fluxes of Fluorescent Dissolved Organic Material, Salt, and Heat Measured by Multiple-Sensor Aquatic Eddy Covariance. Sensors. 2022; 22(22):8984. https://doi.org/10.3390/s22228984
Chicago/Turabian StyleHu, Irene H., and Harold F. Hemond. 2022. "Benthic Fluxes of Fluorescent Dissolved Organic Material, Salt, and Heat Measured by Multiple-Sensor Aquatic Eddy Covariance" Sensors 22, no. 22: 8984. https://doi.org/10.3390/s22228984