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California State University, Long Beach
CSULB Geospatial Research and Mapping (GRAM) Field Program
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Day 23:

Posted on June 26, 2013 by Scott Honda

I flew the Phantom Quad-Copter today to try and gather some high resolution imagery of my study site. Unfortunately, 4 of the 5 flight’s imagery did not work in PhotoScan or Microsoft ICE. I believe it is probably due to the altitude at which I was flying at because the last flight I flew about 45 meters high and so far it’s images have been processing in PhotoScan. So, we’ll see what comes out of the final product which is an orthophoto and a possible DEM/DSM.

I also managed to collect more points where there was a high displacement of coral or reef off of the sandy/dead-coral floor. It was a fairly low tide so i could easily spot and walk out to the areas protruding out of the water.

Once I came back, I had a talk with Dr. Lipo about my project and he suggested I should focus on the fishpond wall out at sea. He gave me a master’s thesis on archaeology features near and around Kualoa Park. There was a substantial amount of history and findings in Kualoa Park, with some mention of the offshore wall. It turns out there is a fishpond wall offshore of Kualoa Prak and after some shifting through google it seems that there has not been much work done on that fish pond wall (at least from the resources on the web). So, I began to process the World View 2 imagery again so it’ll cover the fishpond wall as it is about 100 meters off shore. I think I’ll finally settle on this research topic, using remote sensed imagery and geographical information systems to map the offshore fishpond wall near Kualoa Park.

 

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