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National Oceanography Centre, UK
VIDEO: The colors represent salinity, with blue being fresher, and yellow colors are saltier water. As you watch this movie, you will see the salty yellow patch oscillate in and out... view more
Credit: The National Oceanography Centre
A computer model that aims to provide physical information on the Bangladesh delta to policy makers there, has received the 'impact' award from the national super-computing facility, ARCHER. This is the first model to link the open ocean with the limit of tidal interaction in Bangladesh, and has been produced by the National Oceanography Centre (NOC) scientist Dr Lucy Bricheno using the ARCHER facility.
This model predicts changes in tidal water level and salinity in the delta region, and could be used to make decisions about how to manage the physical environment, such as where to take irrigation water from and what crops to grow.
Future scenarios forecast by the model show the tidal range increasing by up to half a metre in places, which could see a large area of the delta flooded during high tide; affecting farmland, and the Sundarbans mangrove forests (a UNESCO world heritage site)
Dr Bricheno said "I am really pleased that this award has recognised the important potential social and economic impacts of this model.this region is home to large numbers of people whose wellbeing is critically dependant on the land, and so are vulnerable to changes in the physical environment. By providing high quality evidence and forecasts, the outputs of the model could really help policy makers to make more informed decisions about how to best manage that environment.
What was interesting about the tidal change evident in the model is that it had a complex spatial pattern - not just rising everywhere. This is important because it wouldn't be captured in a coarse ocean model - we need to simulate the whole delta."
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