UV light in ocean (where can I download research paper again ?)

Hi, guys ~ a couple of years ago I downloaded a research paper on light/spectrum in the ocean. It had very usefull graphs and focussed a lot on UV light (showing that at depths of between 5 meters and 30 meters almost half of the light measured is UV). It was one of the subscription research websites. Does any1 on Reef Tank perhaps still have it ??? (You will know if you do have it ~ it is one of the best light/spectrum studies ever done in the ocean). If I can just be pointed to the correct website ~ am willing to pay for the download again. Any help will be much appreciated ~