Bathemetry Data
GreatBear,
Does the archived data actually overlap with any of the existing search? If it did then you could use the prior data as a baseline, produce a differences database and look at the changes. Of course I have no idea what the tolerances would be, but from the wobble around zero we would get a local error estimate that would allow us to decide it any (greater) differences were statistically significant. So:
Do we have any genuine overlap in the prior & post (crash) data?
What is the noise/error level like between the two sets?
What is the chance that there should be a piece of wreckage big enough to stand out over the noise?
paul