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Future flood losses in the world’s largest coastal cities

CLIMATE AND GEOHAZARDS

 

Over the next few decades climate change induced sea level rise and subsidence due to ground water pumping is expected to affect a greater proportion of people living in low lying  regions. Coupled with economic growth and increasing populations in coastal cities this trend will result in higher annual losses from flooding.

A recent Nature Climate Change article estimates that the average annual losses from flooding in the world’s largest coastal cities could rise from about $6 billion per year in 2005 to over $1 trillion per year by 2050. Even if investments are made to maintain flood probabilities at current levels, subsidence and sea level rise alone will increase annual losses to around $63 billion by 2050.

The above figure, from the article, shows the 20 cities where Average Annual Losses (AAL) increase the most (in relative terms in 2050 compared with 2005) if adaptive measures are taken…

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Blog, science, tides

Time and tide bell

The “Time and Tide Bell” by Marcus Vergette is very cool. From his website,

“This project is to make a permanent installation of the Time and Tide Bell at the high tide mark at a number of diverse sites around the country, from urban centres to open stretches of coastline. The rise of the water at high tide moves the clapper to strike the bell. Played by the movement of the waves, the bell creates a varying, gentle, musical pattern. As the effect of global warming increases, the periods of bell strikes will become more and more frequent, and as the bell becomes submerged in the rising water the pitch will vary.”

Blog, Current Studebts

Interviews with two current MsC ECE students, Edgar and Bryce (2012/2013)

Interviews with two of my current MSc students.

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Southampton MsC ECE

As part of our series of mini interviews featuring past and present ECE students, here are two with current students Edgar Peter Dabbi, and Bryce Corlett:

Edgar:

1. Where are you from and what was your first degree?
Malaysia. My first degree was Bachelor (Hons) in Civil Engineering.

2. Why did you choose to undertake the ECE course at Southampton?
Following my internship with DHI Malaysia, I decided to undertake postgraduate study in coastal engineering and management to deepen my knowledge within this area. I chose to study in Southampton because it has an excellent academic reputation for both engineering and oceanography studies in the UK. I found the ECE course to be well-structured with modules that are highly practical and relevant for consulting practices as well.

3. What have you most enjoyed about the course?
Getting to know the experts and learning from them (both ECE lecturers and visiting…

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Blog, tides

Counting the Cogs – The Mystery Machine

I have always had a fascination with tide prediction machines.

Rescuing Historical UK Sea Level Data

Today I attended a meeting of the Sea Level and Ocean Climate group at the National Oceanography Centre, Liverpool, where Professor Philip Woodworth gave a short talk about tide prediction machines.

Prof Woodworth started with a brief history of tide predicting machines. The concept was demonstrated by Sir William Thomson (later Lord Kelvin) but Prof Woodworth argued that Edward Roberts should also be considered for the title of ‘Father of tide predicting machines’. Roberts was a mechanical engineer who built many of the machines put into use. Only around 25 machines were ever built and 20 of them were made in Britain. The very first machine is now in the Science Museum in London.

One of the very interesting aspects of the talk was a bit of detective work that Prof Woodworth and his colleagues had been involved in. I blogged recently about a film of a tide predicting…

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Blog, coast, Current Studebts, flooding, NOC, Past Students, science

New blog – Engineering in the Coastal Environment MSc

I am the co-director (together with Robert Nicholls) and admissions officer of the MSc Engineering in the Coastal Environment. This programe is uniquely provided jointly by academics from the Faculty of Engineering and the Environment, based at Highfield Campus and Ocean and Earth Science, based at the National Oceanography Centre. The programme is strongly linked to industry and focussed on applied issues in the coastal zone. The overall goal is to educate technically-orientated coastal practitioners for suitable employment in coastal engineering, both in consultancies and relevant areas of government. I am pleased to say we have just launched a new blog with details about the course and interviews with past and present students. Our current students are finishing off their research projects. Our next intake start the last week in September 2013.