SUBCOMMITTEE ON SEDIMENTATION : SUBCOMMITTEE ON SEDIMENTATION Report to the ACWI
John R. Gray (jrgray@usgs.gov), Chair
September 15, 2004
SOS Status : SOS Status Formed in 1939
ACWI Subcommittee, September 2003
Last meeting: Yesterday (9/14/2004)
Membership: Non-Federal orgs (ASCE-Environmental and Water Research Institute; Colorado State University) interested, but have yet to petition for membership
12 Current SOS Members* : 12 Current SOS Members* * Past members FERC, TVA, BIA, NOAA, and NRC have not been represented on the SOS for years.
* FHWA has missed consecutive meetings.
* Currently no non-Federal SOS members, although some are considering membership.
SOS Charge (1993) : SOS Charge (1993) Identify the Nation’s major sediment-related problems in the 21’st century
Endeavor to coordinate and pool Federal resources to effectively address high-priority problems
Remain the primary mechanism for interagency communication and coordination on national sedimentation issues
Workgroup Reports : Workgroup Reports 8th Federal Interagency Sedimentation Conference (2006): Plans.
Turbidity and Other Sediment Surrogates: Progress with ASTM International on standards.
National Sediment Monitoring and Federal Data Storage and Access: Status and future directions
Reservoir Information System (RESIS) II: Recommendation to the ACWI.
Joint 8th Federal Interagency Sedimentation and 3rd Federal Interagency Hydrologic Modeling Conference – April 2-6, 2006 : Joint 8th Federal Interagency Sedimentation and 3rd Federal Interagency Hydrologic Modeling Conference – April 2-6, 2006
“Interdisciplinary Solutions for Watershed Sustainability.”
Silver Legacy Hotel, Reno
Estimated 400-600 attendees
6 concurrent sessions, ~270 papers
60 + poster and computer demonstrations
Commercial Exhibit Hall
Field Trips
Short Courses (may award continuing education units)
Call for Papers due out October 1, 2004; ASCE advertise?
(http://water.usgs.gov/wicp/acwi/hydrology/mtsconfwkshops/ann-4-2-2006.html)
Workgroup Reports : Workgroup Reports 8th Federal Interagency Sedimentation Conference (2006): Plans.
Turbidity and Other Sediment Surrogates: Progress with ASTM International on standards.
National Sediment Monitoring and Federal Data Storage and Access: Status and future directions
Reservoir Information System (RESIS) II: Recommendation to the ACWI.
Turbidity Workgroup : Turbidity Workgroup Proceedings of the Fed. Interagency Workshop (USGS Circular 1250*)
Propose Federally developed standards for turbidity data-collection and reporting (as many as 10 different reporting units for “turbidity”).
SOS working with ASTM to develop standards (round-robin testing planned, perhaps in 2004)
*http://water.usgs.gov/pubs/circ/2003/circ1250/
Workgroup Reports : Workgroup Reports 8th Federal Interagency Sedimentation Conference (2006): Plans.
Turbidity and Other Sediment Surrogates: Progress with ASTM International on standards.
National Sediment Monitoring and Federal Data Storage and Access: Status and future directions
Reservoir Information System (RESIS) II: Recommendation to the ACWI.
Nation’s Fluvial-Sediment Data Needs : Nation’s Fluvial-Sediment Data Needs Historical: Maintenance of reservoirs, channels, and hydraulic structures/bridge piers
Today’s needs include but are not limited to:
- Legal requirements – TMDL’s
- Contaminated sediment management
- BMP Evaluations
- Dam decommissioning, rehabilitation, removal
- Fire-burn hydrology/sedimentology
- Stream restoration/geomorphic assessments
- Physical-biotic interactions
- Global carbon budget
- Sand budget and bar maintenance
- Productivity of agricultural lands
Slide11 : Declining Sediment-Data Collection !!!This graph should be
considered qualitatively,
not quantitatively!!! *29 in Puerto Rico
Challenge : Challenge How can the Nation’s fluvial-sediment data needs be met with…
Increased temporal and spatial resolution,
Better – and known – accuracy,
Expanded measured characteristics,
Reduced costs, and
Increased safety,
as compared to traditional monitoring techniques?
Future: A National Sediment Information Program – NSIP2 …? : Future: A National Sediment Information Program – NSIP2 …? There has never been a national sediment
monitoring network
Core Network of “Sediment Stations”
Subset of Stations for Sediment Research
Equipment & Methods Analytical Component
Data Synthesis Component
Common Database
$4M-$16M/year (scope & methods dependent)
AGU-EOS letter, 9/28/2004 (handout)
http://water.usgs.gov/osw/techniques/TSS/gray.pdf
National Sediment Monitoring Costs Estimate (USGS, 2004) : National Sediment Monitoring Costs Estimate (USGS, 2004) Proposal based on a U.S. Commission on Ocean Policy Request to develop
“a strategy for improved assessment, monitoring, research, and technology development to enhance sediment management”
$16M annually estimated for a “full-scale” monitoring and synthesis program (linked to QW and biological measurements)
National Sediment Monitoring Costs Estimate (USGS, 2004) : National Sediment Monitoring Costs Estimate (USGS, 2004) Proposal based on a U.S. Commission on Ocean Policy Request to develop
“a strategy for improved assessment, monitoring, research, and technology development to enhance sediment management”
$16M annually estimated for a “full-scale” monitoring and synthesis program (linked to QW and biological measurements)
New Instruments and Techniques : New Instruments and Techniques Laser In Situ Scattering and Transmissometry, LISST
Data from CO River, Grand Canyon : Data from CO River, Grand Canyon Integrated Sand Conc.
By D-77 Bag Sampler LISST-100
Point Sand Conc.
Measurements
Slide18 : USGS Informal Sediment “SuperGage” Network (past, present) MS, KS, AZ, FL, NY, TX, CA, PA, IL, OR, GA, WA, MD, formerly PR
USGS and ARS International Journal of Sediment Research, 1998* : USGS and ARS International Journal of Sediment Research, 1998*
Sediment Damages in North America Total $16 Billion Annually
If Program Results Were Used to Better Manage Resources Such That a 1% Decrease in Sediment Damage was Realized, the Program Would Pay for Itself 40 Times Over (annual basis)
*http://water.usgs.gov/osw/techniques/Osterkamp.html
A National Sediment Information Program : A National Sediment Information Program The SOS believes this program is important and needed.
If the ACWI concurs, SOS seeks counsel on how to proceed.
Workgroup Reports : Workgroup Reports 8th Federal Interagency Sedimentation Conference (2006): Plans.
Turbidity and Other Sediment Surrogates: Progress with ASTM International on standards.
National Sediment Monitoring and Federal Data Storage and Access: Status and future directions
Reservoir Information System (RESIS) II: Recommendation to the ACWI.
A Brief Description of RESIS : A Brief Description of RESIS Information for 1,819 Federally operated reservoirs
Volumetric data for submerged and aerated deposits
Originated in Soil Conservation Service (now the NRCS), early 1980’s
Nearly 6,000 individual surveys from 1827 to 1992.
Includes various descriptive attributes (e.g., owner, nearest post office, watershed dimensions)
For some reservoirs, contains information on size distribution of bed sediments
Originally maintained on a PC using Paradox 9
Includes reservoirs with drainage areas ranging from 0.0075 mi2 to over 170,000 mi2
Original Data Sheets as Part of RESIS-II : Original Data Sheets as Part of RESIS-II
RESIS-II: Status : RESIS-II: Status Ported to relational database by USGS
Some geo-referencing issues to be resolved, including those related to Homeland Security
Largely unpopulated since 1980’s
An orphan
Slide25 : From Stallard and others, 2001
Chronosequence of Dam Construction in the U.S. : Chronosequence of Dam Construction in the U.S. From Before 1800 to 1993 Based on data in the National Inventory of Dams. Symbol size and darkness correspond to the size of the reservoir. Black and gray symbols correspond to dams older than the indicated time interval. Red symbols correspond to dams constructed during the time interval. Prepared by
Robert Stallard
US Geological Survey
Boulder, CO 80303-1066
e-mail: stallard@usgs.gov
Slide29 : NID: 1600-2000 Hit space bar to start sequence.
Slide30 : NID: Pre-1800
Slide31 : NID: 1801-1810
Slide32 : NID: 1811-1820
Slide33 : NID: 1821-1830
Slide34 : NID: 1831-1840
Slide35 : NID: 1841-1850
Slide36 : NID: 1851-1860
Slide37 : NID: 1861-1870
Slide38 : NID: 1871-1880
Slide39 : NID: 1881-1890
Slide40 : NID: 1891-1900
Slide41 : NID: 1901-1910
Slide42 : NID: 1911-1920
Slide43 : NID: 1921-1930
Slide44 : NID: 1931-1940
Slide45 : NID: 1941-1950
Slide46 : NID: 1951-1960
Slide47 : NID: 1961-1970
Slide48 : NID: 1971-1980
Slide49 : NID: 1981-1990
Slide50 : NID: 1991-2000
Slide51 : NID: 1600-2000
Some RESIS-II Findings* : Some RESIS-II Findings* The use of a GIS has enabled a more detailed study of reservoir sedimentation data and rates.
Soil erodibility was found to be the most influential factor affecting reservoir sedimentation rates – A proxy for land-use?
A negative relation was found between mean annual rainfall and sedimentation rates – Annual rainfall a proxy for land cover?
A positive relation exists between storm intensity and sedimentation rates *From Stallard and others, 2001
Slide53 : Establish “ownership” & MOU
Form data-entry & QA protocols
Update GUI, place on-line
Maintain and update database
Perform data synthesis
Future: Sed-quality information? RESIS-II: General Steps
Slide54 : Year 1 ~$250k
Year 2&3 ~$150k/yr
Year 4 ++ ~$75k/yr
*to be refined on request
RESIS-II: Cost Sum.*
Slide55 : Recognize importance of implementing, updating, and maintaining an existing national reservoir sedimentation survey database as an interactive, web-based application.
Seek ACWI concurrence and support to develop ways and means for implementation RESIS-II: SOS Resolution
Slide56 : Questions? http://water.usgs.gov/osw/techniques/sediment