18 September 2015



Preprint of the VISIR-2 documenting paper:



An assessment of the first four years of THETIS-MRV data:


Impact of COVID-19 on CO2 emissions from ferries:



First results of the new model upgrade in python (VISIR-2):



Evaluation of VISIR’s solution vs. a PDE-based model by MIT:


A first dive into reported CO2 emission data from ferries:



VISIR-1.b: the latest update of the model for including ocean currents: this manuscript includes a thorough description of its governing equations, validation, performance, extensive case studies:


Further thoughts on open science and open maritime data:

  • Mannarini, G.: Delivering open science for contributing to the societal challenge of climate change.
    in 5th AtlantOS project newsletter, 2019 [download]


First comparison of VISIR tracks to AIS maritime traffic data:


Some thoughts on open maritime data:

  • Mannarini, G., Towards an analytics of optimal ship routes based on meteo-oceanographic datasets
    in Proceedings of the CMRE Maritime Big Data Workshop, E. Camossi, A.-L. Jousselme (Eds.), La Spezia 2018  [download]



Initial results on EEOI savings via operational vessel route optimisation:

  • Mannarini, G., Pinardi, N., Coppini, G.: Low Carbon Intensity Routes via Ocean Currents and Waves
    in Technology and Science for the Ships of the Future, A. Marinò and V. Bucci (Eds.) IOS Press, 2018.  doi:10.3233/978-1-61499-870-9-340   [download]



Contribution to AtlantOS Science-Policy Briefing Paper #2:

  • Fritz, Jan-Stefan, Ketelhake, Sandra, Pinardi, Nadia, Horsburgh, Kevin, Mannarini, Gianandrea and Lehodey, Patrick: Science-Policy Briefing Paper and Event 2, AtlantOS Deliverable, D10.7 . AtlantOS, 4 pp. DOI 10.3289/AtlantOS_D10.7.  [download]


Preliminary results on the introduction of surface ocean currents into VISIR:

  • Mannarini, G., Coppini, G., Lecci R., Turrisi, G.: Sea Currents and Waves for Optimal Route Planning with VISIR, in 16th International Conference on Computer and IT Applications in the Maritime Industries (Cardiff, 2017) ISBN 978-3-89220-690-3  [download]



The ultimate and comprehensive documentation of VISIR model:


VISIR’s code architecture and the goals of a future community of VISIR developers:

  • Mannarini, G., Pinardi, N., Coppini, G.: VISIR: A Free and Open-Source Model for Ship Route optimization, 15th International Conference on Computer and IT Applications in the Maritime Industries (Lecce, 2016)   [download]


A technical presentation of the operational system for providing VISIR on PC, tablets, and smartphones:



VISIR’s extension to sailboats:

  • Mannarini, G.; Lecci, R.; Coppini, G., “Introducing sailboats into ship routing system VISIR,” in Information, Intelligence, Systems and Applications (IISA), 2015 6th International Conference on , vol., no., pp.1-6, 6-8 July 2015, doi: 10.1109/IISA.2015.7387962  [download]


An invited contribution to a workshop organized by the Italian Navy on greening of maritime transportation:



The seminal publication about what eventually became the VISIR ship routing system: