MS_shoreline_change

Metadata:

• Identification_Information
• Data_Quality_Information
• Spatial_Data_Organization_Information
• Spatial_Reference_Information
• Entity_and_Attribute_Information
• Distribution_Information
• Metadata_Reference_Information

Identification_Information:

Citation:

Citation_Information:

Originator:

Mississippi Department of Environmental Quality, Mississippi Office of Geology, Coastal and Energy Division

Publication_Date: 200405

Title: MS_shoreline_change

Geospatial_Data_Presentation_Form: vector digital data

Series_Information:

Series_Name: NA

Issue_Identification: NA

Publication_Information:

Publication_Place: Jackson, Mississippi

Publisher: Mississippi Office of Geology

Other_Citation_Details:

These data were created by the Mississippi Office of Geology (MOG), Coastal Geology and Energy Division as part of yearly shoreline monitoring excercises. Global Positioning System (GPS) surveys and accompanying beach profiles are the primary products of the yearly task. These data are useful in shoreline change analysis and historical recreation of previous shorelines.

Online_Linkage: \\SCHMID\D$\Coastal2001\Analysis\MS_shoreline_change.shp

Description:

Abstract:

Shoreline change calculations for areas covered by yearly GPS shoreline surveys. Values represent yearly change in meters. Shoreline change calculated based on most recent surveys of greater than 5 years. These are not historical values, but do in some cases contain a weighted (low weight) historical average. Shoreline segments are less than 50 meters so that accurate analysis can be done. Does not include Island change values.

Purpose:

The data represent consistent documented field gathered shoreline data for the Mississippi coastline. It is a valuable set of real world measurements for analysis of shoreline change and historic shoreline position..

Supplemental_Information: Surveys carried out using Trimble Pathfinder GPS units

Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 1986

Ending_Date: 2002

Currentness_Reference: ground condition

Status:

Progress: Complete

Maintenance_and_Update_Frequency: None planned

Spatial_Domain:

Bounding_Coordinates:

West_Bounding_Coordinate: -89.500624

East_Bounding_Coordinate: -88.390338

North_Bounding_Coordinate: 30.396440

South_Bounding_Coordinate: 30.167727

Keywords:

Theme:

Theme_Keyword_Thesaurus:

Shoreline Metadata Profile of the Content Standard for Digital Geospatial Metadata; FGDC_STD-001.2-2001

Theme_Keyword: Shoreline

Theme_Keyword: High Water Line

Theme_Keyword: GPS Shoreline

Theme_Keyword: Coastal

Theme_Keyword: Littoral

Theme_Keyword: Physical Coastline

Theme_Keyword: Waterline

Theme_Keyword: Wet Sand Beach

Theme_Keyword: Shoreline data

Theme_Keyword: Shoreline vectors

Theme_Keyword: Coastal Map

Theme:

Theme_Keyword_Thesaurus: ISO19115

Theme_Keyword: environment

Theme_Keyword: geoscientificinformation

Theme_Keyword: oceans

Place:

Place_Keyword_Thesaurus: None

Place_Keyword: Gulf Coast

Place_Keyword: Mississippi

Place_Keyword: Harrison County

Place_Keyword: Hancock County

Place_Keyword: Jackson County

Stratum:

Stratum_Keyword_Thesaurus: None

Stratum_Keyword: Land Surface

Temporal:

Temporal_Keyword_Thesaurus: None

Temporal_Keyword: 1998

Access_Constraints: None

Use_Constraints:

These data were generated for the use by the MOG in shoreline analysis and historical shoreline documentation. These data should not be used for surveys without ancillary information. MOG does not endorse or recommend the use of data for any specific purpose. Data represent research mapping efforts.

Point_of_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: Keil Schmid

Contact_Organization:

Mississippi Department of Environmental Quality, Mississippi Office of Geology, Coastal and Energy Division

Contact_Position: Coastal Geologist

Contact_Address:

Address_Type: mailing address

Address: PO Box 20307

City: Jackson

State_or_Province: Mississippi

Postal_Code: 39289

Country: US

Contact_Voice_Telephone: 601-961-5651

Contact_Facsimile_Telephone: 601-961-5521

Contact_Electronic_Mail_Address: keil_schmid@deq.state.ms.us

Hours_of_Service: M-F; 9 AM to 5 PM

Data_Set_Credit:

Mississippi Department of Environmental Quality, Mississippi Office of Geology, Coastal and Energy Division

Native_Data_Set_Environment:

Microsoft Windows 2000 Version 5.1 (Build 2600) Service Pack 1; ESRI ArcCatalog 8.3.0.800

Data_Quality_Information:

Attribute_Accuracy:

Attribute_Accuracy_Report:

Shoreline change values represent research values, and are based on best available data. Accuracy below 0.5 m/yr begins to become close to accuracy of measurement. These values should be checked individually for research use.

Logical_Consistency_Report:

Data collected in the field with backpack GPS receivers while walking the high tide line. GPS data post processed using base station data from MOG base stations in Biloxi and Jackson. Shoreline vectors were cleaned to remove hanging nodes and manually corrected to remove clusters and errant data points. Shoreline loops were also removed. Areas were survey parties meet were joined by removing redundant sections or nodes. Jagged shorelines sections, a result of data errors, were simplified where possible.

Completeness_Report:

Shoreline data represent conditions during the time of the survey; surveys are complete.

Positional_Accuracy:

Horizontal_Positional_Accuracy:

Horizontal_Positional_Accuracy_Report:

Accuracy based on differential GPS standards from previous standardization research ( Hutchins, P.S. and Oivanki, S., 1994. A Comparison of shoreline measurement techniques: GPS survey, air photo interpretation, and total station survey [abs]. Journal of the Mississippi Academy of Sciences, 39(1): 48.) and from actual analysis of data used in the shoreline data sets (A Note on Global Postion System (GPS) Shoreline Accuracies Gathered by the Mississippi Office of Geology, Coastal Section). These files can be downloaded from the Mississippi Office of Geology Coastal Web site.

Quantitative_Horizontal_Positional_Accuracy_Assessment:

Horizontal_Positional_Accuracy_Value: +/- 5 meters at 0.1 confidence level

Horizontal_Positional_Accuracy_Explanation:

Previous research using MOG survey equipment during several periods on the same shoreline area showed typical accuracies of 3 to 5 meters. Accuracy at specific locations may vary depending on the geomorphology of the shoreline because accuracy is dependent on shoreline slope and ease of determining the high water line. Because the HWL is constantly changing, post survey error analyses are difficult. Certain points will be beyond the average accuracy value due to poor data signals - ever changing Positional Dilution of Precieion (PDOP) constraints. Please see accuracy reports before using data.

Lineage:

Source_Information:

Source_Citation:

Citation_Information:

Originator:

Mississippi Office of Geology, Coastal Geology and Energy Division

Publication_Date: 2004

Title: Portions of yealy GPS Shoreline of Mississippi

Geospatial_Data_Presentation_Form: vector digital data

Series_Information:

Series_Name: GPS Shoreline Surveys

Issue_Identification: NA

Publication_Information:

Publication_Place: Jackson, MS

Publisher: Mississippi Office of Geology

Other_Citation_Details:

Source Files are represented by a seperate entity row in the ShapeFile database

Source_Scale_Denominator: 1

Type_of_Source_Media: computer program

Source_Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 1994

Ending_Date: 2002

Source_Currentness_Reference: ground condition

Source_Citation_Abbreviation: SSF

Source_Contribution:

Each source file (.ssf) represents a portion of the shoreline; source files were added to file to create the overall yearly GPS shoreline. 100's of source files are contained in the final product

Process_Step:

Process_Description:

During the process of creating yearly GPS shoreline file, source files from the pertinent time periods were added. Each GPS source file (.ssf) of GPS points was post processed creating a corrected file (.cor) in MSTM projection that was subsequently grouped to create a line feature. The line feature was exported to AutoCAD (.dxf) and each was cleaned separately and checked for completeness and accuracy before being migrated to the yearly GPS shoreline file (.shp). Errors, such as jagged shorelines and closed loops were manually corrected. Jagged shorelines were a common type of error and were corrected by moving the offset node (error) to an average position between the two adjacent nodes. Closed loops were corrected by switching points (order) to maintain nearly initial geometry but fix closed loop problem. Date of collection, collection type and collector attributes were added to the yearly GPS file as descriptors of the line feature source files.

Process_Date: Unknown

Source_Produced_Citation_Abbreviation: Shoreline

Process_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: Keil Schmid

Contact_Organization: Mississippi Office of Geology

Contact_Position: Coastal Geologist

Contact_Address:

Address_Type: mailing address

Address: PO Box 20307

City: Jackson

State_or_Province: MS

Postal_Code: 39289

Country: US

Contact_Voice_Telephone: 601-961-5651

Contact_Facsimile_Telephone: 601-961-5521

Contact_Electronic_Mail_Address: keil_schmid@deq.state.ms.us

Hours_of_Service: M-F; 9 AM to 5 PM

Process_Step:

Process_Description:

Shoreline Change values were calculated by spatial queries (offset distance) and a yearly shoreline change value calculated based on offset and time differences.

Source_Used_Citation_Abbreviation: Shoreline

Process_Date: 2004

Process_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: MS office of Geology

Contact_Address:

Address_Type: mailing address

Address: PO Box 20307

City: Jackson

State_or_Province: MS

Postal_Code: 39289

Country: us

Contact_Voice_Telephone: 601-961-5500

Hours_of_Service: 9-5

Contact_Instructions: Contact Barbara Yassin

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: 3520

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Planar:

Map_Projection:

Map_Projection_Name: Transverse Mercator

Transverse_Mercator:

Scale_Factor_at_Central_Meridian: 0.999834

Longitude_of_Central_Meridian: -89.750000

Latitude_of_Projection_Origin: 32.500000

False_Easting: 500000.000000

False_Northing: 1300000.000000

Planar_Coordinate_Information:

Planar_Coordinate_Encoding_Method: coordinate pair

Coordinate_Representation:

Abscissa_Resolution: 0.000256

Ordinate_Resolution: 0.000256

Planar_Distance_Units: meters

Geodetic_Model:

Horizontal_Datum_Name: D_WGS_1984

Ellipsoid_Name: WGS_1984

Semi-major_Axis: 6378137.000000

Denominator_of_Flattening_Ratio: 298.257224

Entity_and_Attribute_Information:

Detailed_Description:

Entity_Type:

Entity_Type_Label: MS_shoreline_change

Entity_Type_Definition: Shapefile Attribute Table

Entity_Type_Definition_Source: None

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: Length

Attribute_Definition: length of shoreline segment

Attribute_Definition_Source: MOG

Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0

Range_Domain_Maximum: 50

Attribute_Value_Accuracy_Information:

Attribute_Value_Accuracy: 0.1

Attribute_Value_Accuracy_Explanation: calculated (2D) line length

Attribute_Measurement_Frequency: None planned

Attribute:

Attribute_Label: AveEros

Attribute_Definition: Yearly Shoreline Change

Attribute_Definition_Source: MOG

Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0

Range_Domain_Maximum: 10

Attribute_Value_Accuracy_Information:

Attribute_Value_Accuracy: 0.5 m

Attribute_Value_Accuracy_Explanation: accuracy of measurement based on 4 years

Attribute:

Attribute_Label: ShoreType

Attribute_Definition: Type of shoreline

Attribute_Definition_Source: MOG

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: 1

Enumerated_Domain_Value_Definition: Marsh shoreline

Enumerated_Domain_Value_Definition_Source: MOG

Enumerated_Domain:

Enumerated_Domain_Value: 2

Enumerated_Domain_Value_Definition: Natural Beach shoreline

Enumerated_Domain_Value_Definition_Source: MOG

Enumerated_Domain:

Enumerated_Domain_Value: 3

Enumerated_Domain_Value_Definition: Renourished Beach (artificial)

Enumerated_Domain_Value_Definition_Source: MOG

Overview_Description:

Entity_and_Attribute_Overview: Data reflects organization, method and data set credit

Distribution_Information:

Distributor:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization:

Mississippi Department of Environmental Quality, Mississippi Office of Geology, Coastal and Energy Division

Contact_Person: Keil Schmid

Contact_Position: Coastal Geologist

Contact_Address:

Address_Type: mailing address

Address: PO Box 20307

City: Jackson

State_or_Province: Mississippi

Postal_Code: 39289

Country: US

Contact_Voice_Telephone: 601-961-5651

Contact_Facsimile_Telephone: 601-961-5521

Contact_Electronic_Mail_Address: keil_schmid@deq.state.ms.us

Hours_of_Service: M- F; 9 AM to 5 PM

Resource_Description: MS Shoreline Change

Distribution_Liability:

The Mississippi Office of Geology provides the data to any interested party as is.

Standard_Order_Process:

Digital_Form:

Digital_Transfer_Information:

Format_Name: ShapeFile

Transfer_Size: 0.696

Digital_Transfer_Option:

Online_Option:

Computer_Contact_Information:

Network_Address:

Network_Resource_Name: <http://geology.deq.state.ms.us>

Offline_Option:

Offline_Media: 3-1/2 inch floppy disk

Compatibility_Information: ShapeFile

Fees: None

Available_Time_Period:

Time_Period_Information:

Single_Date/Time:

Calendar_Date: 19981231

Metadata_Reference_Information:

Metadata_Date: 20040423

Metadata_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization:

Mississippi Department of Environmental Quality, Mississippi Office of Geology, Coastal and Energy Division

Contact_Person: Keil Schmid

Contact_Position: Coastal Geologist

Contact_Address:

Address_Type: mailing address

Address: PO Box 20307

City: Jackson

State_or_Province: Mississippi

Postal_Code: 39289

Country: US

Contact_Voice_Telephone: 601-961-5651

Contact_Facsimile_Telephone: 601-961-5521

Contact_Electronic_Mail_Address: keil_schmid@deq.state.ms.us

Hours_of_Service: M-F; 9 AM to 5 PM

Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata

Metadata_Standard_Version: FGDC-STD-001-1998

Metadata_Time_Convention: local time

Metadata_Access_Constraints: None

Metadata_Use_Constraints: None

Metadata_Extensions:

Online_Linkage: <http://www.esri.com/metadata/esriprof80.html>

Profile_Name: ESRI Metadata Profile