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Dr Ivan Haigh

Associate Professor in Coastal Oceanography

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climate

Trends in extreme high sea levels along the German North Sea coastline compared to regional mean sea level changes

The following paper has just been published:

Mudersbach, C., Wahl, T., Haigh, I.D., Jensen, J., 2013. Trends in extreme high sea levels along the German North Sea coastline compared to regional mean sea level changes. In press Continental Shelf Research.

New paper published in the South African Journal of Science

This paper has just been published in the South African Journal of Science:

http://www.sajs.co.za/sites/default/files/publications/pdf/Smith%20et%20al_Research%20Letter.pdf

Rescuing Historical UK Sea Level Data

During my PhD I digitised Historical sea level data, extending the Southampton record back to 1935. This web-site details other efforts to rescue historic data – http://historicsealevel.wordpress.com.

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Understanding a coastal flood event: the 10th March 2008 storm surge event in the Solent, UK

Our new paper on coastal flooding has just been published online – http://link.springer.com/article/10.1007/s11069-013-0610-5.

In this paper we model the inundation of the 10th March 2008 flood event, which generated the highest water level in Southampton water since 1935. We created a regional dataset of flood extent information and used this to validate the modelling.

 

WUN Changing Coasts Workshop

Attended this World Universities Network workshop last week: http://www.wun.ac.uk/events/wun-changing-coasts-workshop. I gave a short talk on drivers of coastal change and a talk on the tides and extreme water level of Southampton Water for the field trip.

Western Australia’s Ocean Environment – A Voyage of Discovery

Check out these documentary. My research on sea level rise is featured around the 20 minute mark.

 

 

International Short Conference on Advances in Extreme Value Analysis and Application to Natural Hazards (EVAN2013)

I’ll be giving an invited talk at this conference in Sep 2013: http://www.uni-siegen.de/evan2013/. Should be good!

Two new journal papers: Estimating present day extreme water level exceedance probabilities around the coastline of Australia

You might be interested in these two papers recently published online in climate dynamics.

Estimating present day extreme water level exceedance probabilities around the coastline of Australia: tides, extra-tropical storm surges and mean sea level (Part 1)
http://link.springer.com/article/10.1007%2Fs00382-012-1652-1

Estimating present day extreme water level exceedance probabilities around the coastline of Australia: tropical cyclone-induced storm surges (Part 2)
http://link.springer.com/article/10.1007%2Fs00382-012-1653-0

In this study we integrate two modeling techniques to provided estimates of present day extreme water level exceedance probabilities around the whole coastline of Australia. Estimates combine the influence of astronomical tides, storm surges generated by both extra-tropical and tropical cyclones, and seasonal and inter-annual variations in mean sea level. In the first paper we configured a high-resolution depth averaged hydrodynamic model for the Australian continental shelf region and used it to generate a 61-year time-series of historic water levels. This predicted dataset was validated against measurements from tide gauge sites and then used to estimate exceedance probabilities around the entire Australian coastline. Given the systematic underestimation of tropical cyclone-induced surge in that work, in the second paper a statistical tropical cyclone model was developed to more accurately include tropical cyclone induced surges in the estimation of extreme total water level probabilities. This model was then used to generate a 10,000 year synthetic tropical cyclone event set, based on characteristics of tropical cyclone activity over the last 40 years, for the Australian region. Wind and pressure fields were derived for these synthetic events and used to drive the hydrodynamic model. Annual maximum levels were calculated and used to estimate exceedance probabilities around the coast. Theses estimate were combined with those derived from the multi-decadal hindcast to give a single estimate of present day extreme water level probabilities around the whole coastline of Australia.

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Coastal Dynamics, The University of Western Australia

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