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Wetland Value Assessments
Isles Dernieres Restoration Trinity Island (TE-24)
Priority Project List: 2
Sponsors: CPRA, EPA
Parishes: Terrebonne
Reports
2020 Monitoring Close-out Report for Isles Dernieres Restoration East Island (TE-20), Isles Dernieres Restoration Trinity Island (TE-24) and New Cut Dune and Marsh Restoration (TE-37) ProjectsPDF8.9 MB
Louisiana Barrier Island Comprehensive Monitoring Program—Mapping habitats in beach, dune, and intertidal environments along the Louisiana Gulf of Mexico shoreline, 2008 and 2015–16: U.S. Geological Survey Open-File Report 2020–1030PDF12.4 MB
Louisiana Barrier Island Comprehensive Monitoring Program 2015-2019 Coastal Surface-Sediment Characterization Analysis: Regional Sediment Characteristic MapsPDF5.5 MB
Louisiana Barrier Island Comprehensive Monitoring Program 2015-2019 Coastal Surface-Sediment Characterization Analysis: Methods and ResultsPDF4.4 MB
Louisiana Barrier Island Comprehensive Monitoring Program 2015-2019 Coastal Surface-Sediment Characterization Analysis: Regional Sediment Characteristic Change MapsPDF5.9 MB
Louisiana Barrier Island Comprehensive Monitoring Program (BICM): Phase 2 – Updated Shoreline Compilation and Change Assessment, 1880s to 2015PDF43.0 MB
State of the Coast 2018: Lessons Learned from Two Decades of Barrier Island Restoration in LouisianaPDF6.3 MB
Louisiana Barrier Island Comprehensive Monitoring Program (BICM) Phase 2 - 2016 Characterization of Surficial Sediments in the Western and Eastern Chenier Plain and Atchafalaya and Wax Lake Delta Regions: Part A - Data Collection, Sample Processing and ProductsPDF627.7 KB
Louisiana Barrier Island Comprehensive Monitoring Program (BICM) Phase 2 - 2015 Characterization of Surficial Sediments in the Early Lafourche Delta, Late Lafourche Delta, Modern Delta, and Chandeleur Islands Regions: Part A - Data Collection, Sample Processing and ProductsPDF717.8 KB
Louisiana Barrier Island Comprehensive Monitoring Program (BICM) Phase 2 - 2015 Characterization of Surficial Sediments in the Early Lafourche Delta, Late Lafourche Delta, Modern Delta, and Chandeleur Islands Regions: Part B – Sediment Sample Distribution MapsPDF1.5 MB
Louisiana Barrier Island Comprehensive Monitoring Program (BICM): Phase 2 - Shoreline Compilation and Change AssessmentPDF
Bathymetric Survey Assessment for Louisiana Barrier Island Comprehensive Monitoring Program (BICMs) --- Raccoon Island to East Timbalier Island, LouisianaPDF
Bathymetric Survey Assessment for Louisiana Barrier Island Comprehensive Monitoring Program (BICMs) --- Raccoon Island to East Timbalier Island, LouisianaPDF
Geotechnical Data Report Overview of Island Study Isles Dernieres Stabilization ProjectPDF
Geotechnical Data Report Overview of Island Study Isles Dernieres Stabilization ProjectPDF8.3 MB
Geotechnical Data Report Overview of Island Study Isles Dernieres Stabilization ProjectPDF
Geotechnical Data Report Overview of Island Study Isles Dernieres Stabilization ProjectPDF94.6 MB
Geotechnical Data Report Overview of Island Study Isles Dernieres Stabilization ProjectPDF73.3 MB
Geotechnical Data Report Overview of Island Study Isles Dernieres Stabilization ProjectPDF4.8 MB
Geotechnical Data Report Overview of Island Study Isles Dernieres Stabilization ProjectPDF53.5 MB
Geotechnical Data Report Overview of Island Study Isles Dernieres Stabilization ProjectPDF
Geotechnical Data Report Overview of Island Study Isles Dernieres Stabilization ProjectPDF97.9 MB
Geotechnical Data Report Overview of Island Study Isles Dernieres Stabilization ProjectPDF6.0 MB
Subsoil Investigation Isle Dernieres Restoration Eastern Isle Derniere and Trinity IslandPDF24.3 MB
Soil Borings and Laboratory Tests Sand Source Borings Isle Dernieres Restoration Project East and Trinity IslandsPDF11.5 MB
TE-24 Monitoring PlanPDF990.5 KB
TE-20 and TE-24 As-Built DrawingsPDF58.9 MB
Louisiana BICM Volume 1, Part 1: 2005 Post Hurricanes Katrina and Rita PhotographyPDF4.2 MB
TE-24 2008 Operations, Maintenance, and Monitoring ReportPDF4.0 MB
TE-24 2004 Operations, Maintenance, and Monitoring ReportPDF1.0 MB
Project Manager's Technical Fact Sheet (HTML)html10.0 KB
Data
Isles Dernieres Restoration, Phase 1 Trinity Island (TE-24) 1997 Land/Water
Isles Dernieres Restoration, Phase 1 Trinity Island (TE-24) 1997 Land/Water
Download (ZIP 126.0 KB)
  • Product Id: 1997-02-0125
  • Type: Spatial Data
  • Created: 4/15/2004 9:11:00 AM
  • Modified: 4/15/2004
  • Contact: Bill Jones
  • Office: NWRC-GIS
  • Orientation:
  • Scale: Unknown
  • This data set consists of an unsupervised classification of land and water for the year 1997 for the CWPPRA project, Isles Dernieres Restoration, Phase 1 Trinity Island (TE-24). The data are generated using color infrared mosaicked imagery for that year. The data are used by project managers for each site in order to get a general overview of land loss. The data can be compared to the same type of data from previous years to conduct trend analysis.
Isles Dernieres Restoration, Phase 1 Trinity Island (TE-24) 1997 Mosaic
Isles Dernieres Restoration, Phase 1 Trinity Island (TE-24) 1997 Mosaic
Download (ZIP 10.2 MB)
  • Product Id: 1997-02-0124
  • Type: Spatial Data
  • Created: 6/26/2003 12:00:00 AM
  • Modified: 4/15/2004
  • Contact: Bill Jones
  • Office: NWRC-GIS
  • Orientation:
  • Scale: Unknown
  • This data set is mosaicked color infrared 1997 aerial photography for the CWPPRA project, Isles Dernieres Restoration, Phase 1 Trinity Island (TE-24). The data are used for either land/water analysis and/or habitat change analysis. The imagery can also be used as a visual tool for project managers to assist in land loss or any other obvious problems within the project boundary.
Isles Dernieres Restoration, Phase 1 Trinity Island (TE-24) 1993 Mosaic
Isles Dernieres Restoration, Phase 1 Trinity Island (TE-24) 1993 Mosaic
Download (ZIP 41.8 MB)
  • Product Id: 1993-02-0021
  • Type: Spatial Data
  • Created: 6/4/2003 12:00:00 AM
  • Modified: 4/15/2004
  • Contact: Bill Jones
  • Office: NWRC-GIS
  • Orientation:
  • Scale: Unknown
  • This data set consists of mosaicked color infrared 1993 aerial photography for the CWPPRA project, Isles Dernieres Restoration, Phase 1 Trinity Island (TE-24). The data are used as base map data for either land/water analysis and/or habitat change analysis. The imagery also serves as a visual tool for project managers to assist them in land loss or any obvious problems within the project boundary.
Wetland Value Assessment
  • Project Area (acres): 776
  • Average Annual Habitat Units*: 120
  • Acres Created / Restored: 49
  • Acres Protected: 60
  • Total Net Acres: 109

* Habitat Units represent a numerical combination of habitat quality (Habitat Suitability Index) and habitat quantity (acres) within a given area at a given point in time. Average Annual Habitat Units represent the average number of Habitat Units within any given year over the project life for a given area.

About This Site

The Louisiana Coastal Wetlands Planning Protection and Restoration Act Program web site contains information and links relating to coastal restoration projects in coastal Louisiana. This site is funded by CWPPRA and is maintained by the USGS National Wetlands Research Center.