Sentinel 2 Analysis of Turbidity Patterns in a Coastal Lagoon

[EN] Coastal lagoons are transitional ecosystems with complex spatial and temporal variability. Remote sensing tools are essential for monitoring and unveiling their variability. Turbidity is a water quality parameter used for studying eutrophication and sediment transport. The objective of this research is to analyze the monthly turbidity pattern in a shallow coastal lagoon along two years with different precipitation regimes. The selected study area is the Albufera de Valencia lagoon (Spain). For this purpose, we used Sentinel 2 images and in situ data from the monitoring program of the Environment General Subdivision of the regional government. We obtained Sentinel 2A and 2B images for years 2017 and 2018 and processed them with SNAP software. The results of the correlation analysis between satellite and in situ data, corroborate that the reflectance of band 5 (705 nm) is suitable for the analysis of turbidity patterns in shallow lagoons (average depth 1 m), such as the Albufera lagoon, even in eutrophic conditions. Turbidity patterns in the Albufera lagoon show a similar trend in wet and dry years, which is mainly linked to the irrigation practice of rice paddies. High turbidity periods are linked to higher water residence time and closed floodgates. However, precipitation and wind also play an important role in the spatial distribution of turbidity. During storm events, phytoplankton and sediments are discharged to the sea, if the floodgates remain open. Fortunately, the rice harvesting season, when the floodgates are open, coincides with the beginning of the rainy period. Nevertheless, this is a lucky coincidence. It is important to develop conscious management of floodgates, because having them closed during rain events can have several negative effects both for the lagoon and for the receiving coastal waters and ecosystem. Non-discharged solids may accumulate in the lagoon worsening the clogging problems, and the beaches next to the receiving coastal waters will not receive an important load of solids to nourish them.Maria-Teresa Sebastia-Frasquet was a beneficiary of the CAS18/00107 post-doctoral research grant, supported by the Spanish Ministry of Education Culture and Sports during her stay at the Universidad Autonoma de Baja California (Mexico); image processing was developed partially during her stay. J.A.A.-M. was a beneficiary of the doctorate scholarship with the announcement number 291025, supported by the Council of Science and Technology of Mexico (CONACYT by its acronym in Spanish).Sebastiá-Frasquet, M.; Aguilar-Maldonado, JA.; Santamaría-Del-Ángel, E.; Estornell Cremades, J. (2019). Sentinel 2 Analysis of Turbidity Patterns in a Coastal Lagoon. Remote Sensing. 11(24):1-17. https://doi.org/10.3390/rs11242926S1171124Riera, R., Tuset, V. M., Betancur-R, R., Lombarte, A., Marcos, C., & Pérez-Ruzafa, A. (2018). Modelling alpha-diversities of coastal lagoon fish assemblages from the Mediterranean Sea. Progress in Oceanography, 165, 100-109. doi:10.1016/j.pocean.2018.05.003Sebastiá-Frasquet, M.-T., Altur, V., & Sanchis, J.-A. (2014). Wetland Planning: Current Problems and Environmental Management Proposals at Supra-Municipal Scale (Spanish Mediterranean Coast). Water, 6(3), 620-641. doi:10.3390/w6030620Doña, C., Chang, N.-B., Caselles, V., Sánchez, J. M., Camacho, A., Delegido, J., & Vannah, B. W. (2015). Integrated satellite data fusion and mining for monitoring lake water quality status of the Albufera de Valencia in Spain. Journal of Environmental Management, 151, 416-426. doi:10.1016/j.jenvman.2014.12.003Gernez, P., Lafon, V., Lerouxel, A., Curti, C., Lubac, B., Cerisier, S., & Barillé, L. (2015). Toward Sentinel-2 High Resolution Remote Sensing of Suspended Particulate Matter in Very Turbid Waters: SPOT4 (Take5) Experiment in the Loire and Gironde Estuaries. Remote Sensing, 7(8), 9507-9528. doi:10.3390/rs70809507Caballero, I., Navarro, G., & Ruiz, J. (2018). Multi-platform assessment of turbidity plumes during dredging operations in a major estuarine system. International Journal of Applied Earth Observation and Geoinformation, 68, 31-41. doi:10.1016/j.jag.2018.01.014Onandia, G., Gudimov, A., Miracle, M. R., & Arhonditsis, G. (2015). Towards the development of a biogeochemical model for addressing the eutrophication problems in the shallow hypertrophic lagoon of Albufera de Valencia, Spain. Ecological Informatics, 26, 70-89. doi:10.1016/j.ecoinf.2015.01.004Sòria-Perpinyà, X., Vicente, E., Urrego, P., Pereira-Sandoval, M., Ruíz-Verdú, A., Delegido, J., … Moreno, J. (2020). Remote sensing of cyanobacterial blooms in a hypertrophic lagoon (Albufera of València, Eastern Iberian Peninsula) using multitemporal Sentinel-2 images. Science of The Total Environment, 698, 134305. doi:10.1016/j.scitotenv.2019.134305Güttler, F. N., Niculescu, S., & Gohin, F. (2013). Turbidity retrieval and monitoring of Danube Delta waters using multi-sensor optical remote sensing data: An integrated view from the delta plain lakes to the western–northwestern Black Sea coastal zone. Remote Sensing of Environment, 132, 86-101. doi:10.1016/j.rse.2013.01.009Quang, N., Sasaki, J., Higa, H., & Huan, N. (2017). Spatiotemporal Variation of Turbidity Based on Landsat 8 OLI in Cam Ranh Bay and Thuy Trieu Lagoon, Vietnam. Water, 9(8), 570. doi:10.3390/w9080570Kari, E., Kratzer, S., Beltrán-Abaunza, J. M., Harvey, E. T., & Vaičiūtė, D. (2016). Retrieval of suspended particulate matter from turbidity – model development, validation, and application to MERIS data over the Baltic Sea. International Journal of Remote Sensing, 38(7), 1983-2003. doi:10.1080/01431161.2016.1230289Kuhn, C., de Matos Valerio, A., Ward, N., Loken, L., Sawakuchi, H. O., Kampel, M., … Butman, D. (2019). Performance of Landsat-8 and Sentinel-2 surface reflectance products for river remote sensing retrievals of chlorophyll-a and turbidity. Remote Sensing of Environment, 224, 104-118. doi:10.1016/j.rse.2019.01.023Liu, H., Li, Q., Shi, T., Hu, S., Wu, G., & Zhou, Q. (2017). Application of Sentinel 2 MSI Images to Retrieve Suspended Particulate Matter Concentrations in Poyang Lake. Remote Sensing, 9(7), 761. doi:10.3390/rs9070761Erena, Domínguez, Aguado, Soria, & García-Galiano. (2019). Monitoring Coastal Lagoon Water Quality Through Remote Sensing: The Mar Menor as a Case Study. Water, 11(7), 1468. doi:10.3390/w11071468Caballero, I., Stumpf, R., & Meredith, A. (2019). Preliminary Assessment of Turbidity and Chlorophyll Impact on Bathymetry Derived from Sentinel-2A and Sentinel-3A Satellites in South Florida. Remote Sensing, 11(6), 645. doi:10.3390/rs11060645Toming, K., Kutser, T., Laas, A., Sepp, M., Paavel, B., & Nõges, T. (2016). First Experiences in Mapping Lake Water Quality Parameters with Sentinel-2 MSI Imagery. Remote Sensing, 8(8), 640. doi:10.3390/rs8080640Usaquén Perilla, O. L., Gómez, A. G., Gómez, A. G., Díaz, C. Á., & Cortezón, J. A. R. (2012). Methodology to assess sustainable management of water resources in coastal lagoons with agricultural uses: An application to the Albufera lagoon of Valencia (Eastern Spain). Ecological Indicators, 13(1), 129-143. doi:10.1016/j.ecolind.2011.05.019Soria, J. M., Vicente, E., & Miracle, M. R. (2000). The influence of flash floods on the limnology of the Albufera of Valencia lagoon (Spain). SIL Proceedings, 1922-2010, 27(4), 2232-2235. doi:10.1080/03680770.1998.11901635Wang, S., Lee, Z., Shang, S., Li, J., Zhang, B., & Lin, G. (2019). Deriving inherent optical properties from classical water color measurements: Forel-Ule index and Secchi disk depth. Optics Express, 27(5), 7642. doi:10.1364/oe.27.007642Wernand, M. R. (2010). On the history of the Secchi disc. Journal of the European Optical Society: Rapid Publications, 5. doi:10.2971/jeos.2010.10013sAguilar-Maldonado, J. A., Santamaría-del-Ángel, E., Gonzalez-Silvera, A., & Sebastiá-Frasquet, M. T. (2019). Detection of Phytoplankton Temporal Anomalies Based on Satellite Inherent Optical Properties: A Tool for Monitoring Phytoplankton Blooms. Sensors, 19(15), 3339. doi:10.3390/s19153339Pereira-Sandoval, M., Ruescas, A., Urrego, P., Ruiz-Verdú, A., Delegido, J., Tenjo, C., … Moreno, J. (2019). Evaluation of Atmospheric Correction Algorithms over Spanish Inland Waters for Sentinel-2 Multi Spectral Imagery Data. Remote Sensing, 11(12), 1469. doi:10.3390/rs11121469Sòria-Perpinyà, X., Miracle, M. R., Soria, J., Delegido, J., & Vicente, E. (2018). Remote sensing application for the study of rapid flushing to remediate eutrophication in shallow lagoons (Albufera of Valencia). Hydrobiologia, 829(1), 125-132. doi:10.1007/s10750-018-3741-6Rodrigo, M. A., & Alonso-Guillén, J. L. (2013). Assessing the potential of Albufera de València Lagoon sediments for the restoration of charophyte meadows. Ecological Engineering, 60, 445-452. doi:10.1016/j.ecoleng.2013.09.041Martín, M., Oliver, N., Hernández-Crespo, C., Gargallo, S., & Regidor, M. C. (2013). The use of free water surface constructed wetland to treat the eutrophicated waters of lake L’Albufera de Valencia (Spain). Ecological Engineering, 50, 52-61. doi:10.1016/j.ecoleng.2012.04.02

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