Notes
Slide Show
Outline
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Projects and Functions of the  Mississippi Office of Geology
Coastal Division
  • Divisional and Program Review


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Coastal/Marine Issues
  • Citizens highly dependent on coastal environment
    • Vital for transportation, commerce and recreation
    • Highly diverse and resource-rich environment
    • Large population centers
    • However, it is a fragile ecosystem
  • Environmental changes offset economic - lifestyle balance
    • Threatens quality of life by reducing or degrading recreational space
    • Risks to productive habitats that support important industries
    • Affects livelihood and can cause wide scale property damage
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Geologic Importance
  • Natural disasters
    • Hurricanes or storms displace residents and damage infrastructure
  • Wetland loss
    • Increased flooding, loss of critical habitats
  • Sea-level rise
    • Habitat changes, flooding risks, shrinking land area
  • Degraded coastal habitats
    • Loss of productive habitats, decline in fisheries
  • Coastal erosion
    • infrastructure damage, loss of recreational space, higher cost of protection
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Coastal Division Overview
  • Program started in earnest with grant from USGS
  • Initial cooperation with Universities and Government organizations in MS and LA to outline goals
  • Early objectives included: Historical geography of MS coast, Shoreline geomorphology, Coastal mapping, Sand resource mapping, and Wetland inventory
  • Priority is placed on applied regional research and local site-specific problems/conflicts
  • Other duties include environmental studies for the parent organization, MDEQ, in lakes and rivers
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Applied Coastal Research and the DEQ
  • Tie together aspects of past and present coastal research to achieve
    • Best practice principals
    • Resource conservation
    • Permitting consistency
  • Products for DEQ, citizen organizations, DMR, Secretary of State


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Applied Coastal Research Projects
  • Coastal monitoring - yearly inventory of coastal change
  • Sand resources - map and quantify local sources (sinks) of sand reserves
  • Coastal preservation - systematic study of local coastal processes to determine environmentally sound alternatives
  • Offshore/Nearshore geology - local and regional framework geological studies
  • Wetland/Estuary geochronology - pollution and sedimentation history
  • “Wet” support for MDEQ and Holocene coastal plain geology for Mississippi Office of Geology
  • Coastal land-use and environmental sensitivity
  • Public GIS assistance
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Coastal Monitoring
  • Yearly surveys using GPS and cross-shore profiles to document changes to the Mississippi Shoreline including wetlands, renourished and natural beaches, and islands
  • Data used in storm erosion and sediment loss analysis and long term erosion estimates
  • Biennial reports on renourished beaches for coastal governments
  • Reports on wetland loss for DMR
  • Island evolution studies for National Park Service
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Sand Resources
  • Offshore investigations of sand resources for use in beach renourishment
  • Map and delineate new sources of sand
  • Monitor the fate of previously renourished sediments
  • Outline the geologic framework that is responsible for the occurrence of the sand resources


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Coastal Preservation
  • Studies unique to Mississippi’s coastal environment and development
  • Small projects aimed at understanding localized problems or processes
  • Immediate benefits to local groups/organizations
  • Long-term benefit to DEQ on possible problems with similar, future development (expanding database)
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Offshore/Nearshore Geology
  • Map the thickness and extents of Quaternary sediments
  • Use in outlining potential hard (non-fuel) mineral resources
  • Explore relationship between erosion and surrounding/underlying units
  • Document evolution of Mississippi’s coastline, islands and offshore morphology
  • Tidelands delineation based on coastal geology
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Estuary Geochronology
  • Use of marsh cores to document the anthropogenic influence on the ecosystem
  • Outline background ‘natural’ sediment chemistries
  • Determine yearly sediment rates and histories
  • High resolution marsh surface elevation changes
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Wet Support - Lakes
  • Erosion and sedimentation studies on lakes for OPC
  • Chronological sedimentation events
  • Total sediment volumes
  • Sediment pathways and probable land-use causes
  • Recommendations for remediation and prevention
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Coastal Land-use and Environmental Sensitivity
  • Land-use below the 15 ft contour
  • Wetland classifications, total wetland area and loss.
  • Environmental sensitivity to chemical spills
  • products used by DMR, DEQ-Emergency Response, EPA, NOAA, Coastguard , MEMA and County governments
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Public GIS Assistance
  • Fill data requests and point/direct to sources
  • Answer questions about maps, digital data, jobs, GIS software and GIS training
  • Share data with other agencies to promote easy access
  • Maintain 3 GPS basestations, covering entire state and coastal waters


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MS-AL-FL Consortium
  • Marine Mineral Resources
    • habitat mapping
  • Wetlands and Estuaries
    • sediment quality
    • erosion
  • Fresh water Resources
    • coastal groundwater and surface water contamination and hydrology