Presentation by Ap van Dongeren (Deltares) at the XBeach X (10th Year Anniversary) Conference, during Delft Software Days - Edition 2017. Wednesday, 1 November 2017, Delft.

1. Welcome to
Infragravity wave and modelling conference

2. Safety in mind
Deltares cares about people. We identify
risks, choose to work safely, take our
responsibility seriously in looking out for
each other and learning from
experiences to improve:
safety@deltares.nl
This way we work safely, without accidents!
Welcome to Deltares
An emergency, call +31(0)88 335 7112
Make sure you know the location of the nearest by emergency exit
Scheduled emergency drills today: none
In case of an emergency:
Follow the instructions given by your host or the company emergency
services (BHV)
When visiting our research facilities:
• Stay with you host
• Stay inside the ‘blue zone’ or marked-off area
• Permission is required beforehand if photos or films are to be taken
WIFI: Deltares / password: pw4GASTatDeltares
WIFI: DELTARES-EVENTS / password: pw4GUESTatDeltares
We wish you a pleasant and safe visit and like to thank you for your
cooperation.

3. 8 november 2017
The Occasion: a Birthday
Surfers are here

4. 8 november 2017
But modelling isn’t everything …
Lab observations
Mathematical model
Field observations
Numerical model
Explanation of phenomena
Increased
complexity
Verification of (isolated)
processes
Validation
Of models
Calibration/
Validation of
models
Interpretation of
Sparse data
Many presentations this week about lab/field/model interaction

5. Part of a series of informal IG wave workshops
• March 12-13, 2015:
Brest, FR.
• “from surf beats to the
Earth's hum”
• Organizer: Fabrice
Ardhuin
• March 17-19, 2016: La
Rochelle, FR.
• “Infra-gravity waves :
from driving mechanisms
to impacts”
• Organizer: Xavier Bertin
8 november 2017
NEXT YEAR: Plymouth, UK

6. Because Infragravity Waves are everywhere
8 november 2017
Transoceanic infragravity waves impacting
Antarctic ice shelves
Storms May Have Produced Most
Mediterranean “Tsunami” Deposits
Infragravity waves in the deep ocean:
Generation, propagation, and seismic
hum excitation
A case study on dune response to
infragravity waves
Destructive tsunami-like wave generated
by surf beat over a coral reef during
Typhoon Haiyan

7. Back to the present: logistics
• Presentations are 15 minutes. Keynotes are 25 minutes with 5
minutes of questions.
• Session chair will give 2 minute warning.
• Please stick to the time limit.
• Hang your posters in the hall, ask DSD desk for directions
• See Matthijs to upload your oral presentation in the breaks.
• If you need a certificate of attendance, please email
dsd@deltares.nl, and you can pick up your form at the DSD desk
in the hall.
• XBeachX dinner venue is full, and there is a waiting list. If you
signed up, but can’t make it, please let me know.
• If you don’t remember if you signed up or not, check with DSD
desk.
8 november 2017

8. ENJOY!
Infragravity wave and modelling conference