Identification_Information: Citation: Citation_Information: Originator: Jamey M. Reid Publication_Date: 2003 Title: Shoreline for the Isles Dernieres, 1887 Edition: 1.0 Geospatial_Data_Presentation_Form: vector digital data Publication_Information: Publication_Place: Woods Hole Field Center, Woods Hole, MA Publisher: U.S. Geological Survey, Coastal and Marine Geology Program Online_Linkage: http://pubs.usgs.gov/dds/dds79 Larger_Work_Citation: Citation_Information: Originator: S.J. Williams Originator: J.M. Reid Originator: V. Cross Originator: C. Polloni Publication_Date: 2003 Title: Coastal Erosion and Wetland Change in Louisiana: Selected USGS Products Edition: 1.0 Geospatial_Data_Presentation_Form: vector digital data Series_Information: Series_Name: Digital Data Series Issue_Identification: DDS-79 Publication_Information: Publication_Place: Woods Hole Field Center Woods Hole, MA Publisher: U.S. Geological Survey, Coastal and Marine Geology Program Online_Linkage: http://pubs.usgs.gov/dds/dds79 Description: Abstract: The U.S. Geological Survey (USGS), in cooperation with the Coastal Research Laboratory in the Department of Geology and Geophysics at the University of New Orleans (UNO) and the Center for Coastal Energy and Environmental Resources at Louisiana State University (LSU), is investigating the processes of coastal erosion and wetland loss in Louisiana (Sallenger and others, 1987; Sallenger and Williams 1989; Penland and others, 1992). Building on the USGS Louisiana Barrier Island Study (Williams and others, 1992) and the USGS Hurricane Andrew impact assessment (Penland and others, 1998), this data layer depicts the shoreline as it stood in 1887. The Isles Dernieres are located about 120 km southwest of New Orleans. This barrier island shoreline is 32 km long and extends from Caillou Bayou east to Wine Island Pass. The Isles Dernieres represent a barrier island arc developed from the reworking and erosion of an abandoned distributary of the Lafourche delta complex within the Mississippi River delta plain (Penland and others, 1988). Previous work by McBride and others (1992) documented a long-term (1887-1988) gulfside erosion rate of -11.1 m/y and a short-term (1978-1988) gulfside erosion rate of -19.2 m/y. The long-term bayside (1906- 1988) erosion rate was measured at -0.6 m/y and the short-term (1978-1988) bayside erosion rate was measured at -5.2 m/y. The Isles Dernieres decreased in area at a rate of -28.2 ha/y between 1887 and 1988, suggesting the long-term date of disappearance would be 2015. The rate of area loss between 1978 and 1988 was measured at -42.7 ha/y suggesting a short-term disappearance date of 2004. In the 1992 Hurricane Andrew impact assessment by Penland and others (1998), the Isles Dernieres experienced a brief and intense period of increased erosion. The average gulfside erosion rate accelerated to -59.37 m/y and the average bayside erosion rate accelerated to -10.8 m/y during the year of the 1992 Hurricane Andrew impact. The Isles Dernieres rate of area change accelerated to -155.7 ha/y during the 1992 hurricane season. Hurricane Andrew accelerated the long-term area loss rate to -28.5 ha/y and the shortterm area loss rate to -49.54 ha/y. The Hurricane Andrew impact on the Isles Dernieres produced 3-5 years of erosion in a matter of days. After the Hurricane Andrew impact, the projected long-term disappearance date of the Isles Dernieres was reduced from 2015 to 2012 and the short term disappearance date was reduced from 2004 to 2003. In this shoreline change update, the authors used the methods and transects used by McBride and others (1992) to insure data compatibility of the new measurements and analysis. Purpose: To release data that was originally intended to be published in a paper atlas in a digital format. To up-date the shoreline change analysis by McBride and others (1992) and Penland and others (1998) for the Isles Dernieres to 1996. Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1887 Currentness_Reference: ground condition Status: Progress: Complete Maintenance_and_Update_Frequency: None planned Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -90.956084 East_Bounding_Coordinate: -90.569813 North_Bounding_Coordinate: 29.083910 South_Bounding_Coordinate: 29.029133 Keywords: Theme: Theme_Keyword_Thesaurus: General Theme_Keyword: U.S. Geological Survey Theme_Keyword: USGS Theme_Keyword: Woods Hole Field Center Theme_Keyword: Coastal and Marine Geology Program Theme_Keyword: CMGP Theme_Keyword: Geographic Information System Theme_Keyword: GIS Theme_Keyword: University of New Orleans Theme_Keyword: Louisiana State University Theme_Keyword: barrier island Theme_Keyword: aerial mapping Theme_Keyword: aerial mapping photography Theme_Keyword: coastal erosion Theme_Keyword: coastal erosion processes Theme_Keyword: shoreline change Place: Place_Keyword_Thesaurus: General Place_Keyword: Louisiana Place_Keyword: Gulf of Mexico Place_Keyword: Isles Derneries Place_Keyword: Terrebonne Parish Place_Keyword: United States Place_Keyword: North America Access_Constraints: None Use_Constraints: None Point_of_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: University of New Orleans Contact_Person: Paul Connor, Jr Contact_Address: Address_Type: mailing and physical address Address: Dept. of Geology & Geophysics, Pontchartrain Institute, CRM Bldg. Room 343 Address: 2045 Lakeshore Drive City: New Orleans State_or_Province: LA Postal_Code: 70148 Country: USA Contact_Voice_Telephone: (504) 280-1030 Contact_Facsimile_Telephone: (504) 280-4022 Contact_Electronic_Mail_Address: pfconnor@crl.uno.edu Native_Data_Set_Environment: Microsoft Windows 2000 Version 5.0 (Build 2195) Service Pack 4; ESRI ArcCatalog 8.2.0.700 Data_Quality_Information: Lineage: Process_Step: Process_Description: The projection was defined as UTM and converted to Geographic NAD 83. Process_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Person: Jamey M. Reid Contact_Position: IT Specialist (Data Management) Contact_Address: Address_Type: mailing and physical address Address: Woods Hole Field Center Address: 384 Woods Hole Road City: Woods Hole State_or_Province: MA Postal_Code: 025453-1598 Country: USA Contact_Voice_Telephone: (508) 548-8700 x 2204 Contact_Facsimile_Telephone: (508) 457-2310 Contact_Electronic_Mail_Address: jreid@usgs.gov Process_Step: Process_Description: Metadata was created for the new shapefile. Source_Used_Citation_Abbreviation: ci_south1855.shp Source_Produced_Citation_Abbreviation: ci_south1855.shp.xml Process_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Person: Jamey M. Reid Contact_Position: IT Specialist (Data Management) Contact_Address: Address_Type: mailing and physical address Address: Woods Hole Field Center Address: 384 Woods Hole Road City: Woods Hole State_or_Province: MA Postal_Code: 025453-1598 Country: USA Contact_Voice_Telephone: (508) 457-2204 Contact_Facsimile_Telephone: (508) 457-2310 Contact_Electronic_Mail_Address: jreid@usgs.gov Spatial_Data_Organization_Information: Direct_Spatial_Reference_Method: Vector Point_and_Vector_Object_Information: SDTS_Terms_Description: SDTS_Point_and_Vector_Object_Type: String Point_and_Vector_Object_Count: 206 Spatial_Reference_Information: Horizontal_Coordinate_System_Definition: Geographic: Latitude_Resolution: 0.000000 Longitude_Resolution: 0.000000 Geographic_Coordinate_Units: Decimal degrees Geodetic_Model: Horizontal_Datum_Name: North American Datum of 1983 Ellipsoid_Name: Geodetic Reference System 80 Semi-major_Axis: 6378137.000000 Denominator_of_Flattening_Ratio: 298.257222 Entity_and_Attribute_Information: Detailed_Description: Entity_Type: Entity_Type_Label: id1887 Attribute: Attribute_Label: FID Attribute_Definition: Internal feature number. Attribute_Definition_Source: ESRI Attribute_Domain_Values: Unrepresentable_Domain: Sequential unique whole numbers that are automatically generated. Attribute: Attribute_Label: Shape Attribute_Definition: Feature geometry. Attribute_Definition_Source: ESRI Attribute_Domain_Values: Unrepresentable_Domain: Coordinates defining the features. Attribute: Attribute_Label: ENTITY Attribute: Attribute_Label: LAYER Attribute: Attribute_Label: LEVEL Attribute: Attribute_Label: ELEVATION Attribute: Attribute_Label: COLOR Attribute: Attribute_Label: MSLINK_DMR Distribution_Information: Distributor: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Person: S. Jeffress Williams Contact_Position: Geologist Contact_Address: Address_Type: mailing and physical address Address: Woods Hole Field Center Address: 384 Woods Hole Road City: Woods Hole State_or_Province: MA Postal_Code: 02543-1598 Country: USA Contact_Voice_Telephone: (508) 457-2383 Contact_Facsimile_Telephone: (508) 457-2310 Contact_Electronic_Mail_Address: jwilliams@usgs.gov Resource_Description: Downloadable Data Distribution_Liability: Although this data set has been used by the U.S. Geological Survey (USGS), no warranty, express or implied, is made by the USGS as to the accuracy of the data and/or related materials. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in the use of these data or related materials. 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