Lca mississippi river hydrodynamic and delta management study mrhdm
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LCA Mississippi River Hydrodynamic and Delta Management Study (MRHDM). October 5, 2011. LCA 2004 Main Report. The MRHDM study is comprised of two large-scale initiatives for the Mississippi River that were outlined in the USACE 2004 LCA report:. Mississippi River Hydrodynamic Study (MRH)

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Lca 2004 main report
LCA 2004 Main Report Study (MRHDM)

The MRHDM study is comprised of two large-scale initiatives for the Mississippi River that were outlined in the USACE 2004 LCA report:

  • Mississippi River Hydrodynamic Study (MRH)

  • Mississippi River Delta Management Study (DM)


Authorization
Authorization Study (MRHDM)

The study is authorized under Section 7003 of the Water Resource Development Act (WRDA) 2007 (Public Law 110-114)


Mrhdm goal
MRHDM Goal Study (MRHDM)

  • Employ a comprehensive approach of investigating existing water and sediment resources in the Mississippi River available for coastal protection and restoration.


Hydrodynamic objectives
Hydrodynamic Objectives Study (MRHDM)

  • Design models that:

  • Have the ability and flexibility to model current Lower Mississippi River conditions,

  • Evaluate ecosystem restoration alternatives in concert with dynamic flood risk management and navigation,

  • Evaluate multipurpose management scenarios of the river,

  • Evaluate the dynamic system (specifically how changes to sea level rise, subsidence, navigation, and flood risk management would affect potential restoration alternatives.)


Delta management objectives
Delta Management Objectives Study (MRHDM)

  • Formulate alternatives that:

  • Consider multi-use and multi-purpose projects that involve ecosystem restoration, flood risk management, and navigation.

  • Arrive at a long term multipurpose project that is sustainable and meets the needs of the Nation.

    • This could mean changing currently authorized project purposes in the interest of arriving at a multipurpose plan that appropriately balances ecosystem, navigation, and flood risk management needs and purposes.


Project area
Project Area Study (MRHDM)


Hydrodynamic tasks
Hydrodynamic Tasks Study (MRHDM)

  • Data collection and management

  • Geomorphic analysis

  • Development of new small scale physical model

  • Development of 1D model of the Mississippi River

  • Development of

  • multi-dimensional models


Delta management tasks
Delta Management Tasks Study (MRHDM)

  • Compilation of existing information

  • Document existing conditions and

  • forecast future conditions

  • Ecological modeling to compare

  • impacts to biological resources

  • NEPA documentation

  • Restoration projects will be heavily guided by the State of Louisiana 2012 Master Plan.


Next steps
Next Steps Study (MRHDM)

  • 6 and 12 month timelines including identification of tasks and potential team members

  • Team Kickoff Meeting soon (Fall 2011)

  • Preparing for Scoping Meetings (Summer 2012)

  • Developing Data Collection and Management Plan (2012-2014)


Questions
Questions? Study (MRHDM)


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