1. SUBCOMMITTEE ON SEDIMENTATION Proposal to become a subgroup under the ACWI September 9, 2003

2. History of SOS April 1939 - Founded as the Interdepartmental Committee April 1946 - Became the SOS/Federal Interagency River Basin Committee September 1954 –SOS/ Interagency Committee on Water Resources July 1965 – SOS/ Water Resources Council. September 1978 –SOS/ Interagency Advisory Committee on Water Data.

3. Principal Historical Activities Technical Committee/Federal Interagency Sedimentation Project Notes on Sedimentation Activities Sediment Deposition in U.S. Reservoirs – Summary Reports

4. Principal Historical Activities (Cont.) Federal Interagency Sedimentation Conferences Evaluation of Computer Stream Sedimentation Models Bridge Scour Symposium Federal Interagency Workshop on Turbidity and Other Sediment Surrogates http://water.usgs.gov/pubs/circ/2003/circ1250/ http://water.usgs.gov/pubs/circ/2003/circ1250/

5. CURRENT ACTIVITIES Planning for the 8 th Federal Interagency Sedimentation Conference Reorganization of the Federal Interagency Sedimentation Project The Sediment Monitoring Instrument and Analysis Research Workshop Sediment activities web site

6. Purpose Promotes and supports development and standardization of equipment, methodologies, and calibration and performance criteria for the collection, analysis, interpretation, and interchange of fluvial-sediment data and related technical information.

7. Purpose (cont.) Evaluate sediment related information and other relevant issues and facts, and drafts proposed position papers or recommendations for improving the availability, reliability, and interpretation of information and data about sediment conditions

8. Scope Considers all quality and quantity aspects of sediment transport and deposition, and effects of sediment in the environment Considers policies, programs, and activities for the collection, analysis, assessment, archiving, distribution, reporting, and use of sediment and related information

9. Functions Institutional partnerships Data acquisition, reduction, and analysis Information management and sharing Methods and data comparability Reporting and public education Training

10. Current Members Agricultural Research ServiceBureau of Land Management Bureau of ReclamationU.S. Environmental Protection Agency Federal Highway Administration U.S. Forest Service International Boundary and Water Commission National Park Service Office of Surface Mining Reclamation and Enforcement U.S. Army Corps of Engineers Natural Resources Conservation Service U.S. Geological Survey

11. QUESTIONS