Of course the Army Corps "monitors" the beaches they have filled in
with sand. But this published scientific paper reviews 46 of these
so-called beach monitoring studies and finds that a large majority lack
the necessary controls, most drew conclusions without proper evidence,
and almost half could not meet standards for publication.
Charles Peterson and Melanie J. Bishop - BioScience, October 2005 "Assessing the Environmental Impacts of Beach Nourishment"