GNSS and Photogrammetric UAV Derived Data for Coastal Monitoring: A Case of Study in Emilia-Romagna, Italy

GNSS real-time techniques and UAV photogrammetry can be alternative methods for the monitoring of sand beaches. This activity is particularly important in environments such as the Emilia-Romagna coastline. In this paper, two couples of surveys (year 2019 and 2020) performed using GNSS or a low-cost...

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Autores principales:	Enrica Vecchi, Luca Tavasci, Nunzio De Nigris, Stefano Gandolfi
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	UAV photogrammetry GNSS kinematic survey RTK Adriatic coast RGC sand-beach monitoring Naval architecture. Shipbuilding. Marine engineering VM1-989 Oceanography GC1-1581
Acceso en línea:	https://doaj.org/article/1e57f96bffb143189ade5a80de12b5e7
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id	oai:doaj.org-article:1e57f96bffb143189ade5a80de12b5e7
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spelling	oai:doaj.org-article:1e57f96bffb143189ade5a80de12b5e72021-11-25T18:04:07ZGNSS and Photogrammetric UAV Derived Data for Coastal Monitoring: A Case of Study in Emilia-Romagna, Italy10.3390/jmse91111942077-1312https://doaj.org/article/1e57f96bffb143189ade5a80de12b5e72021-10-01T00:00:00Zhttps://www.mdpi.com/2077-1312/9/11/1194https://doaj.org/toc/2077-1312GNSS real-time techniques and UAV photogrammetry can be alternative methods for the monitoring of sand beaches. This activity is particularly important in environments such as the Emilia-Romagna coastline. In this paper, two couples of surveys (year 2019 and 2020) performed using GNSS or a low-cost UAV equipment over a common area were compared in order to analyse: point-wise height differences, profile shapes along defined sections, and volumes variations over time. Both surveys were aligned to the same reference benchmark through GNSS measurements. The highest discrepancies between the two surveying methods (tens of cm) were found in vegetated areas and along the shoreline, otherwise, the height differences are mainly within the 10 cm level. In terms of volumes, excluding the most critical areas, differences close to zero can be found. Obtained results show that GNSS and UAV photogrammetry provides similar results, at least for quite flat terrains and when decimetre-level accuracy is required.Enrica VecchiLuca TavasciNunzio De NigrisStefano GandolfiMDPI AGarticleUAV photogrammetryGNSS kinematic surveyRTKAdriatic coastRGCsand-beach monitoringNaval architecture. Shipbuilding. Marine engineeringVM1-989OceanographyGC1-1581ENJournal of Marine Science and Engineering, Vol 9, Iss 1194, p 1194 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	UAV photogrammetry GNSS kinematic survey RTK Adriatic coast RGC sand-beach monitoring Naval architecture. Shipbuilding. Marine engineering VM1-989 Oceanography GC1-1581
spellingShingle	UAV photogrammetry GNSS kinematic survey RTK Adriatic coast RGC sand-beach monitoring Naval architecture. Shipbuilding. Marine engineering VM1-989 Oceanography GC1-1581 Enrica Vecchi Luca Tavasci Nunzio De Nigris Stefano Gandolfi GNSS and Photogrammetric UAV Derived Data for Coastal Monitoring: A Case of Study in Emilia-Romagna, Italy
description	GNSS real-time techniques and UAV photogrammetry can be alternative methods for the monitoring of sand beaches. This activity is particularly important in environments such as the Emilia-Romagna coastline. In this paper, two couples of surveys (year 2019 and 2020) performed using GNSS or a low-cost UAV equipment over a common area were compared in order to analyse: point-wise height differences, profile shapes along defined sections, and volumes variations over time. Both surveys were aligned to the same reference benchmark through GNSS measurements. The highest discrepancies between the two surveying methods (tens of cm) were found in vegetated areas and along the shoreline, otherwise, the height differences are mainly within the 10 cm level. In terms of volumes, excluding the most critical areas, differences close to zero can be found. Obtained results show that GNSS and UAV photogrammetry provides similar results, at least for quite flat terrains and when decimetre-level accuracy is required.
format	article
author	Enrica Vecchi Luca Tavasci Nunzio De Nigris Stefano Gandolfi
author_facet	Enrica Vecchi Luca Tavasci Nunzio De Nigris Stefano Gandolfi
author_sort	Enrica Vecchi
title	GNSS and Photogrammetric UAV Derived Data for Coastal Monitoring: A Case of Study in Emilia-Romagna, Italy
title_short	GNSS and Photogrammetric UAV Derived Data for Coastal Monitoring: A Case of Study in Emilia-Romagna, Italy
title_full	GNSS and Photogrammetric UAV Derived Data for Coastal Monitoring: A Case of Study in Emilia-Romagna, Italy
title_fullStr	GNSS and Photogrammetric UAV Derived Data for Coastal Monitoring: A Case of Study in Emilia-Romagna, Italy
title_full_unstemmed	GNSS and Photogrammetric UAV Derived Data for Coastal Monitoring: A Case of Study in Emilia-Romagna, Italy
title_sort	gnss and photogrammetric uav derived data for coastal monitoring: a case of study in emilia-romagna, italy
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/1e57f96bffb143189ade5a80de12b5e7
work_keys_str_mv	AT enricavecchi gnssandphotogrammetricuavderiveddataforcoastalmonitoringacaseofstudyinemiliaromagnaitaly AT lucatavasci gnssandphotogrammetricuavderiveddataforcoastalmonitoringacaseofstudyinemiliaromagnaitaly AT nunziodenigris gnssandphotogrammetricuavderiveddataforcoastalmonitoringacaseofstudyinemiliaromagnaitaly AT stefanogandolfi gnssandphotogrammetricuavderiveddataforcoastalmonitoringacaseofstudyinemiliaromagnaitaly
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GNSS and Photogrammetric UAV Derived Data for Coastal Monitoring: A Case of Study in Emilia-Romagna, Italy

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