sde.SDE.Drift_Cells

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:

Publication_Date: 20020901

Title: sde.SDE.Drift_Cells

Edition: 1

Geospatial_Data_Presentation_Form: vector digital data

Series_Information:

Series_Name: Net Shore-Drift in Washington State

Issue_Identification: 1

Publication_Information:

Publication_Place: Olympia, Washington, Olympia, Washington, 98504-7600

Publisher: Washington State Department of Ecology

Description:

Abstract:

Littoral drift, or shore drift, is the process by which beach sediment is moved along the shoreline. Drift results primarily from the oblique approach of wind-generated waves and can therefore change in response to short-term (daily, weekly, or seasonally) shifts in wind direction. Over the long term, however, many shorelines exhibit a single direction of net shore drift. Net shore-drift is determined through geomorphologic analysis of beach sediment patterns and of coastal landforms. Many shorelines can be divided into discrete littoral, or drift, cells, which are independent of one another and for which distinct sediment sources and sinks can be identified. This coverage denotes the extent of individual littoral cells and the direction of net shore-drift within each.

Purpose:

Heightened concerns about the adverse impact of shoreline modifications on geologic processes, and consequently, on nearshore biological resources has increased the need to provide information on longshore sediment transport in digital format.

Supplemental_Information:

During the late 1970s and early 1980s, the Department of Ecology supported Western Washington University in undertaking a series of county-by-county net shore-drift investigations under the supervision of Dr. Maurice Schwartz. Two reports in the early 1990s completed the net shore-drift mapping of Washington's marine shoreline. In addition to an Ecology report, each investigation resulted in a Master's thesis: Skagit County - Keuler, 1979 Whatcom County - Jacobsen, 1980 King County - Chrzastowski, 1982 Thurston County - Hatfield, 1983 Mason County - Blankenship, 1983 Pierce County - Harp, 1983 Kitsap County - Taggart, 1984 Grays Harbor and Pacific Counties - Bronson, 1984 Jefferson and Clallam Counties (ocean coast) - Mahala, 1984 Clallam County (Strait of Juan de Fuca) - Bubnick, 1986 Parts of San Juan, Snohomish, Island, and Jefferson Counties - Johannessen, 1993 Grays Harbor, Willapa Bay, and the Columbia Estuary -Thomas, 1995 and a USGS publication: Map showing coastal erosion, sediment supply, and longshore transport in the Port Townsend 30- by 60-minute quadrangle, Puget Sound Region, Washington [Keuler, R.F., 1988, United States Geological Survey; Map 1198-E] These reports have subsequently been compiled and republished as the Ecology reports cited below. Source materials for drift cells were done a different times. Each report in the series covers a different area. Volume 1: Pacific Ocean and Strait of Juan de Fuca (Pacific, Grays Harbor, Jefferson, and Clallam Counties) [Schwartz et al., 1991, Ecology Report #00-06-30] Volume 2: South Puget Sound (Mason, Thurston, and Pierce Counties) [Schwartz et al., 1991, Ecology Report #00-06-31] Volume 3: Central Puget Sound (Kitsap, Pierce, and King Counties) [Schwartz et al., 1991, Ecology Report #00-06-32] Volume 4: Hood Canal (Mason and Kitsap Counties) [Schwartz et al., 1991, Ecology Report #00-06-33] Volume 5: Northern Bays and Straits (Whatcom and Skagit Counties) [Schwartz et al., 1991, Ecology Report #00-06-34] Net Shore-Drive of San Juan, and parts of Jefferson, Island, and Snohomish Counties [Johannessen, 1992, Report 00-06-35] Net Shore-Drift within Grays Harbor, Willapa Bay, and the Mouth of the Columbia River, Washington [Thomas, 1995, Report #00-06-36]

Time_Period_of_Content:

Time_Period_Information:

Multiple_Dates/Times:

Single_Date/Time:

Calendar_Date: 19920301

Single_Date/Time:

Calendar_Date: 19910601

Currentness_Reference: ground condition

Status:

Progress: Complete

Maintenance_and_Update_Frequency: As needed

Spatial_Domain:

Bounding_Coordinates:

West_Bounding_Coordinate: -124.807198

East_Bounding_Coordinate: -122.133907

North_Bounding_Coordinate: 49.102311

South_Bounding_Coordinate: 46.217454

Keywords:

Theme:

Theme_Keyword_Thesaurus: None

Theme_Keyword: sand

Theme_Keyword: marine

Theme_Keyword: erosion

Theme_Keyword: littoral

Theme_Keyword: beach

Theme_Keyword: sediment

Theme_Keyword: coast

Theme_Keyword: drift

Place:

Place_Keyword_Thesaurus: None

Place_Keyword: state

Place_Keyword: Washington

Place_Keyword: northwest

Place_Keyword: Pacific

Place_Keyword: Puget

Access_Constraints: None

Use_Constraints:

https://ecology.wa.gov/About-us/Accountability-transparency/Our-website/Copyright-information

Point_of_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: Washington State Department of Ecology

Contact_Person: Hugh Shipman

Contact_Address:

Address_Type: mailing and physical

Address: 3190 - 160th Ave. SE

City: Bellevue

State_or_Province: Washington

Postal_Code: 98008-5452

Country: United States of America

Contact_Voice_Telephone: (425) 649-7095

Contact_Facsimile_Telephone: (425) 649-7098

Contact_Electronic_Mail_Address: hugh.shipman@ecy.wa.gov

Hours_of_Service: 8:00am - 5:00pm

Browse_Graphic:

Browse_Graphic_File_Name:

https://fortress.wa.gov/ecy/gispublic/DataDownload/SEA_OCN_Driftcells.jpg

Browse_Graphic_File_Description: Simple image

Browse_Graphic_File_Type: JPEG

Data_Set_Credit:

Washington State Department of Ecology, Shorelands and Environmental Assistance Program (EAP)

Native_Data_Set_Environment: Version 6.2 (Build 9200) ; Esri ArcGIS 10.2.2.3552

Data_Quality_Information:

Completeness_Report:

Driftcells on shorelines abutting Puget Sound have been checked for accuracy. The Strait of Juan de Fuca and Pacific coast have not yet been checked for quality assurance.

Lineage:

Source_Information:

Source_Citation:

Citation_Information:

Originator:

Shorelands and Environmental Assistance Program, Washington State Department of Ecology

Title: Net Shore-Drift in Washington State

Edition: Version 2.0

Geospatial_Data_Presentation_Form: book

Series_Information:

Series_Name: Net Shore-Drift in Washington State

Publication_Information:

Publication_Place: Olympia, Washington

Publisher: Washington State Department of Ecology

Other_Citation_Details:

Source materials for driftcells were done a different times. Each report in the series covers a different area. Volume 1: Pacific Ocean and Strait of Juan de Fuca (Pacific, Grays Harbor, Jefferson, and Clallam Counties); Volume 2: South Puget Sound (Mason, Thurston, and Pierce Counties); Volume 3: Central Puget Sound (Kitsap, Pierce, and King Counties); Volume 4: Hood Canal (Mason and Kitsap Counties); Volume 5: Northern Bays and Straits (Whatcom and Skagit Counties); Net Shore-Drive of San Juan, and parts of Jefferson, Island, and Snohomish Counties Net Shore-Drift within Grays Harbor, Willapa Bay, and the Mouth of the Columbia River, Washington Clallam County, Washington, Strait of Juan de Fuca, Net Shore-Drift

Type_of_Source_Media: hardcopyPaper

Source_Time_Period_of_Content:

Time_Period_Information:

Multiple_Dates/Times:

Single_Date/Time:

Calendar_Date: 19920301

Time_of_Day: unknown

Single_Date/Time:

Calendar_Date: 19950201

Time_of_Day: unknown

Single_Date/Time:

Calendar_Date: 19910601

Time_of_Day: unknown

Source_Currentness_Reference: Unknown

Source_Citation_Abbreviation: Net Shore-Drift in Washington State

Source_Contribution:

During the late 1970s and early 1980s, the Department of Ecology supported Western Washington University in undertaking a series of county-by-county net shore-drift investigations under the supervision of Dr. Maurice Schwartz. Two reports in the early 1990s completed the net shore-drift mapping of Washington's marine shoreline. In addition to an Ecology report, each investigation resulted in a Master's thesis: Skagit County - Keuler, 1979 Whatcom County - Jacobsen, 1980 King County - Chrzastowski, 1982 Thurston County - Hatfield, 1983 Mason County - Blankenship, 1983 Pierce County - Harp, 1983 Kitsap County - Taggart, 1984 Grays Harbor and Pacific Counties - Bronson, 1984 Jefferson and Clallam Counties (ocean coast) - Mahala, 1984 Clallam County (Strait of Juan de Fuca) - Bubnick, 1986 Parts of San Juan, Snohomish, Island, and Jefferson Counties - Johannessen, 1993 Grays Harbor, Willapa Bay, and the Columbia Estuary -Thomas, 1995 and a USGS publication: Map showing coastal erosion, sediment supply, and longshore transport in the Port Townsend 30- by 60-minute quadrangle, Puget Sound Region, Washington [Keuler, R.F., 1988, United States Geological Survey; Map 1198-E] These reports have subsequently been compiled and republished as the Ecology reports cited below. Source materials for drift cells were done a different times. Each report in the series covers a different area. Volume 1: Pacific Ocean and Strait of Juan de Fuca (Pacific, Grays Harbor, Jefferson, and Clallam Counties) [Schwartz et al., 1991, Ecology Report #00-06-30] Volume 2: South Puget Sound (Mason, Thurston, and Pierce Counties) [Schwartz et al., 1991, Ecology Report #00-06-31] Volume 3: Central Puget Sound (Kitsap, Pierce, and King Counties) [Schwartz et al., 1991, Ecology Report #00-06-32] Volume 4: Hood Canal (Mason and Kitsap Counties) [Schwartz et al., 1991, Ecology Report #00-06-33] Volume 5: Northern Bays and Straits (Whatcom and Skagit Counties) [Schwartz et al., 1991, Ecology Report #00-06-34] Net Shore-Drive of San Juan, and parts of Jefferson, Island, and Snohomish Counties [Johannessen, 1992, Report 00-06-35] Net Shore-Drift within Grays Harbor, Willapa Bay, and the Mouth of the Columbia River, Washington [Thomas, 1995, Report #00-06-36]

Process_Step:

Process_Description:

BACKGROUND Drift cells were digitized as a single point, the point being the end of the drift cell with the largest measure on the underlying shoreline route. The end with the largest measure as a rule will be: * on marine islands, the counter clockwise most point of the cell on the island shoreline * on the main marine shoreline, the point closest to Oregon if one were walking the shoreline from Canada to Oregon. After digitizing of the points and entry of point attributes, the points were converted into linear events via point2driftcell.aml. The logic of the AML is: * get the route measure for each drift cell point * assign the route measure at the point as the to measure of the event * assign the route measure of the nearest clockwise point on the shoreline as the from measure of the event. * assign the drift cell identifier as the unique event identifier * assign the drift cell type as an event attribute * If the event is the first one on the route, assign 0.000 as the from measure. * (For islands only) for the last event on the route, assume it is a part of the first event on the route (as shorelines are continuous around an island). Assign the identifier and type from the first event and assign the route highmeasure as the to measure. All segments of the shoreline were covered by one and only one drift cell event (no gaps, no overlaps). For each drift cell, two attributes were recorded: * The drift cell identifier * The drift cell type Drift cell identifiers and types were taken from the drift cell maps in the books. Drift cells were categorized as one of 5 types: * Clockwise drift cell (right to left when looking at the shore) * Counter clockwise drift cell (left to right when looking at the shore) * No appreciable net shore drift (NANSD) * Divergence zone * Undefined For the first two types of drift cells, the identifiers were used as defined on the maps. For the others, the identifier is composed by the identifiers of the upshore and downshore drift cells separated by a slash (the identifier with the lower number in it is entered first). Ex. A NANSD cell between cells BL-1 and BL-2 will be identified as BL-1/BL-2. PROCEDURE Tiling: For the digitizing effort, the project was tiled by county as that is how the data was originally gathered and published. After all of the counties were digitized and edited, the county data was merged into a single statewide event table. Source Materials: The source materials were the Net Shore Drift volumes and the USGS 1:24,000 quadrangle maps plus any other supporting material available to the cartographer. Shoreline coverage: The drift cell points were aligned with a 24k scale marine shoreline coverage. Attributes: For each drift cell point, two attributes were entered: * The unique driftcell identifier into a 20 character field named DRIFTCELL_NR and is taken or derived from the identifiers in the booklets. * The driftcell type code into a 2 character field named DRIFTCELL_TY_CD and must be one of five codes. The driftcell type codes are: Code Definition LtoR - Left to Right Drift Cell (counter clockwise) RtoL - Right to Left Drift Cell (clockwise) DZ - Zone of Divergence NAD - No Appreciable Net Shore Drift (NANSD) UN - Undefined drift cell type Placement: For consistency, the drift cell points were located as close as possible to the beginning and end of the drift cell arrows on the paper maps.

Process_Date: 20030303

Process_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: Washington State Department of Ecology

Contact_Person: Cinde Donoghue

Contact_Position: Guidance Outreach Assistance Team

Contact_Address:

Address_Type: physical

Address: 300 Desmond Drive

City: Olympia

State_or_Province: Washington

Postal_Code: 98503

Country: United States of America

Contact_Voice_Telephone: (360) 407-7257

Contact_Facsimile_Telephone: (360) 407-6902

Contact_Electronic_Mail_Address: cinde.donoghue@ecy.wa.gov

Hours_of_Service: 8:00am - 5:00pm (Mon-Fri)

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: 1846

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Planar:

Map_Projection:

Map_Projection_Name: NAD 1983 HARN StatePlane Washington South FIPS 4602 Feet

Lambert_Conformal_Conic:

Standard_Parallel: 45.83333333333334

Standard_Parallel: 47.33333333333334

Longitude_of_Central_Meridian: -120.5

Latitude_of_Projection_Origin: 45.33333333333334

False_Easting: 1640416.666666667

False_Northing: 0.0

Planar_Coordinate_Information:

Planar_Coordinate_Encoding_Method: coordinate pair

Coordinate_Representation:

Abscissa_Resolution: 0.0006510416666666679

Ordinate_Resolution: 0.0006510416666666679

Planar_Distance_Units: foot_us

Geodetic_Model:

Horizontal_Datum_Name: D North American 1983 HARN

Ellipsoid_Name: GRS 1980

Semi-major_Axis: 6378137.0

Denominator_of_Flattening_Ratio: 298.257222101

Entity_and_Attribute_Information:

Detailed_Description:

Entity_Type:

Entity_Type_Label: sde.SDE.Drift_Cells

Entity_Type_Definition: Arc attribute table

Entity_Type_Definition_Source: Ecology

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 feature in internal units.

Attribute_Definition_Source: ESRI

Attribute_Domain_Values:

Unrepresentable_Domain: Positive real numbers that are automatically generated.

Attribute_Measurement_Frequency: As needed

Attribute:

Attribute_Label: WS_LLID_NR

Attribute_Definition: Longitude latitude identification number for the shoreline arc.

Attribute_Definition_Source: ArcInfo

Attribute:

Attribute_Label: WS_END_AD

Attribute_Definition:

Water shoreline ending address. Addresses end where the shoreline "leaves" the county at its southern or western border.

Attribute_Definition_Source: Ecology

Attribute:

Attribute_Label: DC_DS_PATH

Attribute_Definition: Longitude latitude identification number for the shoreline arc.

Attribute_Definition_Source: Department of Ecology

Attribute_Measurement_Frequency: As needed

Attribute:

Attribute_Label: DCELL_NR

Attribute_Definition:

A 20 character field unique driftcell identifier name that is taken or derived from the identifiers in the original hardcopy reports.

Attribute_Definition_Source: ESRI

Attribute_Domain_Values:

Unrepresentable_Domain:

Sequential unique whole numbers that are automatically generated.

Attribute:

Attribute_Label: OBJECTID

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: WS_BEGIN_A

Attribute_Definition:

Water shoreline beginning address. Addresses begin where the shoreline "enters" the county at its northern or eastern border.

Attribute_Definition_Source: Ecology

Attribute:

Attribute_Label: CELL_TYP

Attribute_Definition: Drift cell type

Attribute_Definition_Source: ESRI

Attribute_Domain_Values:

Unrepresentable_Domain: Coordinates defining the features.

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: DZ

Enumerated_Domain_Value_Definition: Zone of Divergence

Enumerated_Domain_Value_Definition_Source: Ecology

Enumerated_Domain:

Enumerated_Domain_Value: RtoL

Enumerated_Domain_Value_Definition: Right to Left Drift Cell (clockwise)

Enumerated_Domain_Value_Definition_Source: Ecology

Enumerated_Domain:

Enumerated_Domain_Value: LtoR

Enumerated_Domain_Value_Definition: Left to Right Drift Cell (counter clockwise)

Enumerated_Domain_Value_Definition_Source: Ecology

Enumerated_Domain:

Enumerated_Domain_Value: UN

Enumerated_Domain_Value_Definition: Undefined Drift Cell Type

Enumerated_Domain_Value_Definition_Source: Ecology

Enumerated_Domain:

Enumerated_Domain_Value: NAD

Enumerated_Domain_Value_Definition: No Appreciable Net Shore Dirve (NANSD)

Enumerated_Domain_Value_Definition_Source: Ecology

Attribute:

Attribute_Label: SHAPE

Attribute_Definition: Feature geometry.

Attribute_Definition_Source: ESRI

Attribute_Domain_Values:

Unrepresentable_Domain: Coordinates defining the features.

Overview_Description:

Entity_and_Attribute_Overview:

Arc attribute table includes identifiers for line and denotes driftcell action.

Entity_and_Attribute_Detail_Citation: From paper maps in Net Shore-Drift in Washington State series.

Distribution_Information:

Distributor:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: Washington State Department of Ecology

Contact_Person: Rich Kim

Contact_Position: Spatial Database Administrator

Contact_Address:

Address_Type: mailing

Address: PO Box 47600

City: Olympia

State_or_Province: Washington

Postal_Code: 98504-7600

Country: United States of America

Contact_Voice_Telephone: (360) 407-6121

Contact_Facsimile_Telephone: (360) 407-6493

Contact_Electronic_Mail_Address: rich.kim@ecy.wa.gov

Hours_of_Service: 8:00am-5:00pm PDT

Resource_Description: SDE data layer

Distribution_Liability:

The Washington State Department of Ecology provides these geographic data "AS IS" WITHOUT A WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR USE, AND/OR NON-INFRINGEMENT.

Standard_Order_Process:

Digital_Form:

Digital_Transfer_Option:

Online_Option:

Computer_Contact_Information:

Network_Address:

Network_Resource_Name:

https://fortress.wa.gov/ecy/gispublic/DataDownload/SEA_OCN_Driftcells.zip

Access_Instructions: SDE data layer

Metadata_Reference_Information:

Metadata_Date: 20181012

Metadata_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: Washington State Department of Ecology

Contact_Person: Rich Kim

Contact_Position: Spatial Database Administrator

Contact_Address:

Address_Type: mailing and physical

Address: P.O. Box 47600, 300 Desmond Drive

City: Olympia

State_or_Province: Washington

Postal_Code: 98504-7600

Country: United States of America

Contact_Voice_Telephone: (360) 407-6121

Contact_Facsimile_Telephone: (360) 407-6493

Contact_Electronic_Mail_Address: rich.kim@ecy.wa.gov

Hours_of_Service: 8:00am - 5:00pm

Metadata_Standard_Name: FGDC Content Standard for Digital Geospatial Metadata

Metadata_Standard_Version: FGDC-STD-001-1998

Metadata_Time_Convention: local time