by Wyatt Fournier
July 16, 2013
With our 3rd wire sensor installed we charged on, occupying
up to 5 stations a day while also fishing mid- water trawls along the
transect. These mid-water trawls are
used to verify the acoustic signal that Dave is observing on the ES60
EchoSounder. This system is equipped
with both 38 and 120Khz frequencies allowing him to differentiate between macro
invertebrates and fish. Dave has
interpreted this image to be aggregations of fish forming at the bottom with a
layer of krill above them. We immediately
turned around and trawled on this target to verify his observations. To see what we caught, visit our facebook
page: www.facebook.com/GulfOfAlaskaProject
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