DEPARTMENT OF THE ARMY
ETL 1110-2-347
U.S. Army Corps of Engineers
CECW-EH
Washington, DC 20314-1000
Engineer Technical
Letter No. 1110-2-347
31 May 1993
Engineering and Design
CONTROL METHODS FOR SALINITY INTRUSION IN WELL
STRATIFIED ESTUARIES AND WATERWAYS
1. Purpose
field operating activities (FOA) having responsibili-
ties for the design of civil works projects.
This engineer technical letter (ETL) presents a
3. Discussion
technical description of salinity intrusion control
methods that induce channel geometry changes and
limit the movement of salt water beyond the control
This ETL briefly presents experimentally developed
location. Enclosure 1 is a memorandum on these
methods for limiting salinity intrusion beyond the
control location where stratified flows occur. The
control methods.
ETL provides design guidance for the minimum
2. Applicability
height design configurations of the salinity intrusion
control structures.
This ETL applies to all HQUSACE elements, major
subordinate commands, districts, laboratories, and
FOR THE DIRECTOR OF CIVIL WORKS:
1 Enclosure
PAUL D. BARBER, P.E.
Chief, Engineering Division
Directorate of Civil Works
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