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Missouri River Basin

Missouri River Basin

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Missouri River Basin

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  1. Missouri River Basin Inter-Agency Proposal for an Expanded Plains Snow and Basin Conditions Network National Water and Climate Center - NRCS Hydrologic Engineering Center Kevin Stamm, USACE MRBIR, Feb 21, 2013

  2. Proposal for a Missouri River Basin Interagency Expanded Plains Snow and Basin Condition Network Independent Technical Review (ITR) - (Recommendation #5): Studies to enhance data collection, forecasting, and resulting runoff from plains snow. Suggested activities include establishment of additional permanent plains snow measurement stations (using already established snow measurement standards), focused on the development of improved historical record at permanent stations; and research on the effects of prairie soils, geomorphology, and hydrology on snowmelt runoff. Also, the Corps should work to improve collaboration with other groups that collect and analyze snow data, for example, the Community Collaborative Rain, Hail and Snow (CoCoRaHS) network. March 2012: "An expanded Plains snowpack monitoring system needs to be set up while memories of the floods are fresh and everyone is willing to spend the money, (SD Governor) Daugaard told top officials of the U.S. Army Corps of Engineers," “(USACE NWD Commander) McMahon said the corps is working with other agencies to determine how to create and fund an expanded plains snowpack monitoring system, one of the recommendations made by an expert panel that studied last summer's flooding. A more extensive system is already in place for monitoring the snowpack in the northern Rocky Mountains, he said." 2

  3. Proposal for a Missouri River Basin Interagency Expanded Plains Snow and Basin Condition Network Purpose: The goal of this proposal is to present a framework for the establishment of an interagency, usable and sustainable network that will enhance the forecasting of runoff during the plains snowmelt period. This proposal is not intended to be a final plan, rather a launching point for additional discussion to include appropriate subject matter experts into developing the final plan. Approach: This proposal involved consultation with subject matter experts from various agencies. Establishment of the plains snow network in the same manner as the mountain snow network could be established over a period of time. Initially, use of near real-time, on-the-ground snow depth and snow water equivalent (SWE) measurements made manually at regular intervals would provide necessary information in the short-term and also be extremely useful in determining long-term, possibly automated, network needs. 3

  4. Timeline • Mar-Apr (2012) – Project Initialization/Team Formation • Apr-Jul – Development of Initial Proposal/Framework • July 25 – Proposal Presented to MRBIR (Omaha, NE) • Jul-Sep – Refinement of Initial Proposal • September 18-19 – Face-to-Face Meeting (Bismarck, ND) • September 20 – Proposal Presented to MoRAST (Bismarck, ND) • Sep-Jan (2013) • Formation of Instrumentation and Inventory Sub-Team • Development of Instrumentation Recommendation • Refinement of Final Proposal • January 24 - Proposal Presented to MRBIR (Kansas City, MO) • Jan-Mar – Proposal informally vetted through upper states • March 4-5 – Proposal Presented to MoRAST (Rapid City, SD) 4

  5. Technical Review Process • Inventory of existing federal, state and volunteer networks – climate, snowpack and soil moisture … leverage what is available. • Gap Assessment in monitoring, geographic areas and data acquired … what is missing? • Monitoring Recommendations to identify what will be needed to meet short-term and long-term forecasting and monitoring goals. 5

  6. Monitoring Proposal • Automated Measurements • Aerial Snow Surveys • Manual Snow Sampling 6

  7. Automated Measurements 7

  8. Aerial Snow Surveys 8

  9. Manual Snow Sampling USACE State of ND 9

  10. USACE Spring Snowmelt/Rainfall Runoff Modeling – End State NWS MBRFC Precipitation Observed Precipitation NWS/USACE Temperature Forecast Precipitation USACE HEC-HMS Snowmelt Runoff Models Observed Temperature NWS NOHRSC Snow Model USACE CRREL Snow Grid Forecast Temperature Current Snow Water Equivalent 10 cm 25 cm Current Soil Moisture 50 cm Current Soil NWS/NRCS/ State/USACE Soil Moisture 100 cm Current Soil 10

  11. Budget 11

  12. Long-Term Investment • Better understanding of basin … during flood, normal and drought conditions • Consistency throughout the basin regarding instrumentation, standards, QA/QC • Data collected real-time, quality controlled, archived and available to everyone 12

  13. Managing Expectations Rome, Italy 13

  14. Moving Forward • Solicit Feedback from Decision-Makers • Evaluate Priorities / Assess • Manage Resources and Needs • Continue Moving Forward … 14

  15. Missouri River Basin Inter-Agency Proposal for an Expanded Plains Snow and Basin Conditions Network National Water and Climate Center - NRCS Hydrologic Engineering Center Kevin Stamm, USACE MRBIR, Feb 21, 2013