The physical oceanography of the transport of floating marine debris - Laura Gómez-Navarro, Erik van Sebille, Delphine Lobelle, Stefanie Ypma and ...
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The physical oceanography of
the transport
of floating marine debris
Laura Gómez-Navarro, Erik van Sebille, Delphine Lobelle, Stefanie
Ypma and TOPIOS team
@UFollowtheOcean
Current projects of the Parcels team at UU
3 european
projects!
@UFollowtheOcean
The Parcels team at UU
• No direct collaboration in general with South East Asia
institutes/universities
• Indirectly with Christophe Maes, Fanny Chenillat and his team at
Ifremer and with Audrey Hasson (GEO Blue Planet
https://audreyhassonphd.com/ )
• You can contact us if interested!
@UFollowtheOcean l.gomeznavarro@uu.nl , e.vansebille@uu.nl
TOPIOS project
• ERC project
• 1.5M euro budget
• April 2017 – March 2022
• Team members involved in TOPIOS
@UFollowtheOcean
TOPIOS project
The effect of ocean model tidal-forcing virtual particle accumulation at the
ocean surface
OceanParcels framework (www.OceanParcels.org)
The Parcels code (Probably A Really Computationally Efficient
Lagrangian Simulator):
→ set of Python classes and methods to create customisable particle
tracking simulations using velocities from for example outputs from
Ocean Circulation models.
→ Open Source! https://github.com/OceanParcels/parcels
@UFollowtheOcean
TOPIOS project
The effect of ocean model tidal-forcing virtual particle accumulation at the
ocean surface in the Açores Islands region
Without With The extended North ATLantic at 1/60° resolution (eNATL60):
• Twin simulation without and with tidal forcing
• ~1km resolution
• Hourly outputs
• Spatial coverage: North Atlantic (6°N – 66°N)
→ Monthly surface lagrangian simulations ~100 000 virtual particles
Surface curl/f (vorticity)
@UFollowtheOcean Initial grid
TOPIOS project
The effect of ocean model tidal-forcing virtual particle accumulation at
the ocean surface
Summer vs Winter
• eNATL60 (no tides):
Top value = max. KDE and bottom value = % of particles
@UFollowtheOcean with a KDE > 0.008
TOPIOS project
The effect of ocean model tidal-forcing virtual particle accumulation at
the ocean surface
Summer vs Winter
• eNATL60 (tides):
Importance of
using High
resolution ocean
models with tidal-
forcing
Top value = max. KDE and bottom value = % of particles
@UFollowtheOcean with a KDE > 0.008
TOPIOS project
What is next?
@UFollowtheOcean
The Galapagos project
Collaboration with a
non-profit organization
@UFollowtheOcean© Jonathan Green
www.GalapagosPlasticFree.nl
Stefanie Ypma, Erik van Sebille, Andy Donnelly, Jen Jones
predict when and where plastic washes ashore
AIM to support strategic clean up efforts
Collaborators
▪ Galapagos Conservation Trust
▪ Charles Darwin Foundation
Funding
@UFollowtheOcean
@UFollowtheOceanMaterial Flow Analysis of Dutch plastic waste
• Funding: Utrecht University seed funding (3-month project)
• Collaborations:
• Li Shen: Circular Economy Hub of the Copernicus Institute of
Sustainable Development – co-leading the project
• Tim van Emmerik: Wageningen University & Research – providing
river plastic monitoring data
• Giulia Iattoni: UN University, Sustainable Cycles (SCYCLE)
Programme – providing waste from electronics and electrical
equipment (WEEE)
Main objective: to estimate the amount of Dutch plastic waste
that is ‘lost’ to the environment.
• Main findings/achievements (preliminary): Plastic packaging is the
largest contributor to Dutch plastic waste, after which imported
plastic waste, then textiles/clothing and building/construction.
d.m.a.lobelle@uu.nl
@UFollowtheOceanWebinars and upcoming!
• Stay tuned in our twitter page!
• Participate in our Vlogs
• Checkout the past and upcoming Ocean
Plastic Webinars
• Working Group" for cross-generational
exchange of information and
implementation of plastic solutions with
Sigi Gruber (ex EU commissioner) and
Audrey Hasson (GEO BluePlanet)
• Are you an Early Career Ocean
Professional?
→ Join our slack group for discussions,
opportunities and more!
https://bit.ly/3gVXMPD
Contact: l.gomeznavarro@uu.nl
e.vansebille@uu.nl
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