![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiLeCeCjrofHnJz8y4J9rFTQKcVLhKRtvA3RwQf6S6OmCbEB_pufNHBJQW33EFDN_WaO0zy9P-vaJCCvnmbKFKmTD6yVSIfi_2vzYeCvYUMXzWfLBt_7q4X9UP9XFMqlsL22pDq0RxKn4o/s640/RS2.jpg) |
Deploying the Near Surface Ocean Profiler (NSOP): Image Credit: Richard Sims |
The
existence or not of near surface gradients is of importance when attempting to
calculate air sea fluxes, as measurements from a research ships underway system
at 5-7m depth may not be representative of the oceans interface. Gradients
may be created by physical gradients like temperature or chemical gradients
induced by biology (plankton).
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg2Smo5HLqOSFXbOLNFwtwn9wJfpOyxasIo4H8Q4QjlBfzKL6zlRlfzbqrWAkdCUr0V07LPCA5OhPQ9LkmSGgIYHTcv7za19vuvOauX1o7zwQeQNhwge_zBxyIbLz3j3N4txZoCyYAAju4/s640/RS4.jpg) |
Richard Sims |
Richard
Sims is a PhD student at PML. His research is focused on measuring near surface
(10m) trace gas gradients in shelf seas. In order to obtain a good vertical resolution
for his measurements of temperature, salinity, depth and fluorescence, he developed the Near Surface Ocean
Profiler (NSOP), a free floating buoy which rides the swell and floats away
from the local disturbances caused by the ship. Water is pumped back to the ship
where it is passed through a membrane equilibrator for CO2 analysis.
Richard hopes to use his measurements to characterise gradients across the
entire shelf.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhb9pBNQeDMHPgal1hZ-wv2cDjcFu8mRZCCVB8zm_egSiaFq-FjuUgexOc6uajEaSOU-wz2TVOypg6_VV9U67M3Hlol6BoMExHk4I5I7zrSgjfB9xd7kHjGk_qJ4FRvJAK9ZSkcelIzmF8/s640/RS1.jpg) |
Near Surface Ocean Profiler (NSOP): Image Credit: Richard Sims |
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh3KLxzX5k8RFlGwc5scIEzxk0eagCNEHxIAJIN0byGHb55UXRLh29gSdI_7BQwzZEfjxlGNfpZWVIu1YhAry4UvynwWagl4qdKk9yhtK4FvqzUsdZDe2e4BQvHFa0lYWQ0ws1GOoCaSv8/s640/RS3.jpg) |
Near Surface Ocean Profiler (NSOP): Image Credit: Richard Sims |
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