[HTML][HTML] Beach litter survey by drones: Mini-review and discussion of a potential standardization

G Gonçalves, U Andriolo, LMS Gonçalves… - Environmental …, 2022 - Elsevier
The abundance of beach litter has been increasing globally during the last decades, and it is
an issue of global concern. A new survey strategy, based on uncrewed aerial vehicles (UAV …

Coastal and marine plastic litter monitoring using remote sensing: A review

BK Veettil, NH Quan, LT Hauser, DD Van… - Estuarine, Coastal and …, 2022 - Elsevier
Plastic pollution in coastal and marine areas is an ongoing environmental concern in the
world. Despite its growing concern worldwide, there is a knowledge gap in terms of its …

Is coastal erosion a source of marine litter pollution? Evidence of coastal dunes being a reservoir of plastics

U Andriolo, G Gonçalves - Marine pollution bulletin, 2022 - Elsevier
This baseline reports scientific evidence of marine litter items embedded in the dune volume
at two study sites on the North Atlantic Portuguese coast. We described how stranded litter …

Spatial and size distribution of macro-litter on coastal dunes from drone images: A case study on the Atlantic coast

U Andriolo, G Gonçalves, P Sobral, F Bessa - Marine Pollution Bulletin, 2021 - Elsevier
This work analyses the cross-shore (80 m) and long-shore (200 m) spatial and size
distribution of macro-litter on coastal dunes, employing a mapping framework based on an …

[HTML][HTML] Drones for litter monitoring on coasts and rivers: suitable flight altitude and image resolution

U Andriolo, K Topouzelis, THM van Emmerik… - Marine pollution …, 2023 - Elsevier
Multirotor drones can be efficiently used to monitor macro-litter in coastal and riverine
environments. Litter on beaches, dunes and riverbanks, along with floating litter on coastal …

[HTML][HTML] Beached and floating litter surveys by unmanned aerial vehicles: operational analogies and differences

U Andriolo, O Garcia-Garin, M Vighi, A Borrell… - Remote sensing, 2022 - mdpi.com
The abundance of litter pollution in the marine environment has been increasing globally.
Remote sensing techniques are valuable tools to advance knowledge on litter abundance …

[HTML][HTML] Citizen science for marine litter detection and classification on unmanned aerial vehicle images

S Merlino, M Paterni, M Locritani, U Andriolo… - Water, 2021 - mdpi.com
Unmanned aerial vehicles (UAV, aka drones) are being used for mapping macro-litter in the
environment. As drone images require a manual processing task for detecting marine litter, it …

[HTML][HTML] Operational use of multispectral images for macro-litter mapping and categorization by Unmanned Aerial Vehicle

G Gonçalves, U Andriolo - Marine Pollution Bulletin, 2022 - Elsevier
Abstract The use of Unmanned Aerial Systems (UAS, aka drones) has shown to be feasible
to perform marine litter surveys. We operationally tested the use of multispectral images (5 …

[HTML][HTML] Detection of river plastic using UAV sensor data and deep learning

N Maharjan, H Miyazaki, BM Pati, MN Dailey… - Remote Sensing, 2022 - mdpi.com
Plastic pollution is a critical global issue. Increases in plastic consumption have triggered
increased production, which in turn has led to increased plastic disposal. In situ observation …

Drones for litter mapping: An inter-operator concordance test in marking beached items on aerial images

U Andriolo, G Gonçalves, N Rangel-Buitrago… - Marine Pollution …, 2021 - Elsevier
Unmanned aerial systems (UAS, aka drones) are being used to map macro-litter on the
environment. Sixteen qualified researchers (operators), with different expertise and …