Spatial averaging of oceanic rainfall variability using underwater sound: Ionian Sea rainfall experiment 2004.

@article{Nystuen2008SpatialAO,
  title={Spatial averaging of oceanic rainfall variability using underwater sound: Ionian Sea rainfall experiment 2004.},
  author={Jeffrey A. Nystuen and Eyal Amitai and Emmanuel N Anagnostou and Marios N. Anagnostou},
  journal={The Journal of the Acoustical Society of America},
  year={2008},
  volume={123 4},
  pages={
          1952-62
        }
}
An experiment to evaluate the inherent spatial averaging of the underwater acoustic signal from rainfall was conducted in the winter of 2004 in the Ionian Sea southwest of Greece. A mooring with four passive aquatic listeners (PALs) at 60, 200, 1000, and 2000 m was deployed at 36.85 degrees N, 21.52 degrees E, 17 km west of a dual-polarization X-band coastal radar at Methoni, Greece. The acoustic signal is classified into wind, rain, shipping, and whale categories. It is similar at all depths… 
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