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Valenciana","award":["PID2020-114467RR-C33\/AEI\/10.13039\/501100011033"],"award-info":[{"award-number":["PID2020-114467RR-C33\/AEI\/10.13039\/501100011033"]}]},{"name":"Generalitat Valenciana","award":["TED2021-131040B-C31"],"award-info":[{"award-number":["TED2021-131040B-C31"]}]},{"name":"Generalitat Valenciana","award":["PRTR-C17.I1"],"award-info":[{"award-number":["PRTR-C17.I1"]}]},{"name":"Generalitat Valenciana","award":["THINKINAZUL\/2021\/002"],"award-info":[{"award-number":["THINKINAZUL\/2021\/002"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>The monitoring of the coastal environment is a crucial factor in ensuring its proper management. Nevertheless, existing monitoring technologies are limited due to their cost, temporal resolution, and maintenance needs. Therefore, limited data are available for coastal environments. In this paper, we present a low-cost multiparametric probe that can be deployed in coastal areas and integrated into a wireless sensor network to send data to a database. The multiparametric probe is composed of physical sensors capable of measuring water temperature, salinity, and total suspended solids (TSS). The node can store the data in an SD card or send them. A real-time clock is used to tag the data and to ensure data gathering every hour, putting the node in deep sleep mode in the meantime. The physical sensors for salinity and TSS are created for this probe and calibrated. The calibration results indicate that no effect of temperature is found for both sensors and no interference of salinity in the measuring of TSS or vice versa. The obtained calibration model for salinity is characterised by a correlation coefficient of 0.9 and a Mean Absolute Error (MAE) of 0.74 g\/L. Meanwhile, different calibration models for TSS were obtained based on using different light wavelengths. The best case was using a simple regression model with blue light. The model is characterised by a correlation coefficient of 0.99 and an MAE of 12 mg\/L. When both infrared and blue light are used to prevent the effect of different particle sizes, the determination coefficient of 0.98 and an MAE of 57 mg\/L characterised the multiple regression model.<\/jats:p>","DOI":"10.3390\/s23041871","type":"journal-article","created":{"date-parts":[[2023,2,8]],"date-time":"2023-02-08T02:04:16Z","timestamp":1675821856000},"page":"1871","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Low-Cost Microcontroller-Based Multiparametric Probe for Coastal Area Monitoring"],"prefix":"10.3390","volume":"23","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9215-8734","authenticated-orcid":false,"given":"Lorena","family":"Parra","sequence":"first","affiliation":[{"name":"Instituto de Investigaci\u00f3n para la Gesti\u00f3n Integrada de Zonas Costeras, Universitat Polit\u00e8cnica de Val\u00e8ncia, C\/Paranimf, 1, 46730 Valencia, Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6621-0148","authenticated-orcid":false,"given":"Sandra","family":"Viciano-Tudela","sequence":"additional","affiliation":[{"name":"Instituto de Investigaci\u00f3n para la Gesti\u00f3n Integrada de Zonas Costeras, Universitat Polit\u00e8cnica de Val\u00e8ncia, C\/Paranimf, 1, 46730 Valencia, Spain"}]},{"given":"David","family":"Carrasco","sequence":"additional","affiliation":[{"name":"Instituto de Investigaci\u00f3n para la Gesti\u00f3n Integrada de Zonas Costeras, Universitat Polit\u00e8cnica de Val\u00e8ncia, C\/Paranimf, 1, 46730 Valencia, Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9556-9088","authenticated-orcid":false,"given":"Sandra","family":"Sendra","sequence":"additional","affiliation":[{"name":"Instituto de Investigaci\u00f3n para la Gesti\u00f3n Integrada de Zonas Costeras, Universitat Polit\u00e8cnica de Val\u00e8ncia, C\/Paranimf, 1, 46730 Valencia, Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0862-0533","authenticated-orcid":false,"given":"Jaime","family":"Lloret","sequence":"additional","affiliation":[{"name":"Instituto de Investigaci\u00f3n para la Gesti\u00f3n Integrada de Zonas Costeras, Universitat Polit\u00e8cnica de Val\u00e8ncia, C\/Paranimf, 1, 46730 Valencia, Spain"}]}],"member":"1968","published-online":{"date-parts":[[2023,2,7]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"428","DOI":"10.1038\/s41579-020-0364-5","article-title":"Tara Oceans: Towards global ocean ecosystems biology","volume":"18","author":"Sunagawa","year":"2020","journal-title":"Nat. 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