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Gonçalves G, Andriolo U, Gonçalves L, Sobral P, Bessa F,  2020. Quantifying Marine Macro Litter Abundance on a Sandy Beach Using Unmanned Aerial Systems and Object-Oriented Machine Learning Methods. Remote Sensing. 12, 2599.

Andriolo U, Gonçalves G, Sobral P, Fontán-Bouzas A, Bessa F,  2020. Beach-dune morphodynamics and marine macro-litter abundance: an integrated approach with unmanned aerial systems. Science of The Total Environment. 749, 141474

Andriolo U, Gonçalves G, Bessa F, Sobral P 2020. Mapping marine litter on coastal dunes with unmanned aerial systems: A showcase on the Atlantic coast. Science of The Total Environment. 736, 139632.

Gonçalves G, Andriolo U, Pinto L, Duarte D 2020. Mapping marine litter with Unmanned Aerial Systems: A showcase comparison among manual image screening and machine learning techniques. Marine Pollution Bulletin. 155, 1-11.
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Gonçalves G, Andriolo U, Pinto L, Bessa F 2019. Detecting marine litter on sandy beaches by using UAS-based orthophotos and machine learning methods. Conference: WORKSHOP Standardization of procedures in using UAS for environmental monitoring, Coimbra, Portugal, 6th November, 2019. PDF

Gonçalves G, Andriolo U, Pinto L, Bessa F, Sobral P, Gonçalves, L. 2019. UAS4Litter: Mapeamento do lixo marinho com drones low-cost. 2a Conferência Portuguesa sobre Lixo Marinho. Setúbal, Portugal, 19-20 Setembro, 2019. PDF


Sobral P 2018. UAS4LITTER Low-cost Unmanned Aerial Systems (UASs) for marine litter coastal mapping. Oceans meetings, Lisbon, Portugal, 20-21 September, 2018.