|Range of values
|Range of values
|Uncertainty of the shoreline position (in meters).
Funds for this report are part of project funds for the Louisiana Outer Coast Early Restoration Project, obtained by the natural resource trustees for the Deepwater Horizon Oil Spill, pursuant to the Framework for Early Restoration Addressing Injuries Resulting from the Deepwater Horizon Oil Spill executed April 20, 2011. USFWS is the project lead for the North Breton Island Barrier Island Restoration project. Acknowledgment of the U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center, as a data source would be appreciated in products developed from these data, and such acknowledgment as is standard for citation and legal practices. Sharing of new data layers developed directly from these data would also be appreciated by the U.S. Geological Survey staff. Users should be aware that comparisons with other datasets for the same area from other time periods may be inaccurate due to inconsistencies resulting from changes in photointerpretation, mapping conventions, and digital processes over time. These data are not legal documents and are not to be used as such.
Shoreline data are considered a crucial element in performing change analysis for erosion and accretion studies and for tracking shoreline movement over time. Aerial imagery was downloaded and used to document the short and long-term changes of several barrier island systems in Louisiana. Digitized shorelines from the imagery provide an accurate and measurable change in shape, area, and shoreline movement over short and long-term periods.
Are there legal restrictions on access or use of the data?
Use_Constraints:The U.S. Geological Survey requests to be acknowledged as originator of the data in future products or derivative research.
This digital publication was prepared by an agency of the United States Government. Although these data have been processed successfully on a computer system at the U.S. Geological Survey, no warranty expressed or implied is made regarding the display or utility of the data on any other system, nor shall the act of distribution imply any such warranty. The U.S. Geological Survey shall not be held liable for improper or incorrect use of the data described and (or) contained herein. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof.
|Shapefile containing 1950 digitized shoreline for Breton Island, LA in format Breton_Island_1950_Shoreline.shp