Have you looked at any drawdown surveys completed for reservoirs? Most of these would be done at the request of the Corps of Engineers, and are typically done on reservoirs during the winter, when the pool of the lake is low. I completed a drawdown survey of Carr Fork a couple of decades ago. The effect of long-term inundation is fairly damaging, with erosion of several feet of soil at near-shore locations. I knew the locations of several previously identified sites that I could not relocate, due to the absence of the original landform.   

-----Original Message-----
From: HISTORICAL ARCHAEOLOGY [mailto:[log in to unmask]] On Behalf Of Julie Abell Horn
Sent: Thursday, February 05, 2015 10:56 AM
To: [log in to unmask]
Subject: Query about flooding and archaeological site integrity

Dear Histarchers, My colleagues and I are trying to compile some informationfrom published articles about the effect of continuous flooding over a longperiod of years on the preservation of archaeological sites.  Specifically, we are interested in sitesaffected by flooding from man-made issues, such as construction or earthmovingthat has rerouted natural drainages or eliminated original landforms that wouldhave once prevented flooding.  The questionis whether this kind of flooding can affect the integrity of an archaeologicalsite by jumbling or otherwise impacting stratigraphic sequences or sitepreservation.  Any published references(U.S. sites preferred) you would be willing to share would be most appreciated.  Thank you.
Best,Julie
 Julie Abell Horn, M.A., R.P.A.
Principal Investigator and Senior Archaeologist/Historian Historical Perspectives, Inc.

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