California Tide Stations

Metadata:

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

Identification_Information:

Citation:

Citation_Information:

Online_Linkage: <http://www.pacinst.org/reports/sea_level_rise>

Originator: Matthew Heberger

Publication_Date: 2009

Geospatial_Data_Presentation_Form: vector digital data

Publication_Information:

Publisher: Pacific Institute

Publication_Place: Oakland CA

Series_Information:

Series_Name: The Impacts of Sea-Level Rise on the California Coast

Originator: Pablo Herrera

Title: California Tide Stations

Larger_Work_Citation:

Citation_Information:

Originator: Matthew Heberger

Originator: Heather Cooley

Originator: Peter Gleick

Originator: Pablo Herrera

Publication_Date: 2009

Title: The Impacts of Sea-Level Rise on the California Coast

Publication_Information:

Publication_Place: Oakland CA

Publisher: Pacific Institute

Online_Linkage: <http://www.pacinst.org/reports/sea_level_rise>

Description:

Abstract:

This is a small subset of 12 long-term tide stations on the California Coast. The elevations of Mean Lower Low Water (MLLW), Mean Low Water (MLW), Mean Sea Level (MSL), Mean High Water (MHW), and Mean Higher High Water (MHHW) are given fore each station. Each station has at least 30 years of records, sufficient for some trend analysis and for performing a frequency analysis on the tide elevations.

Purpose:

To derive elevations in a consistent datum (NAVD88) for tidal variation and elevations along the California Coastline.

Supplemental_Information:

The station locations and tide data for all NOAA operated tide stations is available from NOAA in non-spatial format from the website: <http://tidesandcurrents.noaa.gov/station_retrieve.shtml?type=Tide+Data>

Native_Data_Set_Environment:

Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 3; ESRI ArcCatalog 9.2.6.1500

Time_Period_of_Content:

Currentness_Reference: Time span of tidal measurements varies by station

Time_Period_Information:

Single_Date/Time:

Calendar_Date: 2008

Status:

Progress: Complete

Maintenance_and_Update_Frequency: None planned

Spatial_Domain:

Bounding_Coordinates:

West_Bounding_Coordinate: -124.216667

East_Bounding_Coordinate: -117.173333

North_Bounding_Coordinate: 41.745000

South_Bounding_Coordinate: 32.713333

Keywords:

Theme:

Theme_Keyword_Thesaurus: General

Theme_Keyword: climate change

Theme_Keyword: sea level rise

Theme_Keyword: coastal flood

Theme_Keyword: 100 year coastal flood

Theme_Keyword: oceans and coastal

Theme_Keyword: 100 year flood

Theme_Keyword: tide

Theme_Keyword: tide stations

Place:

Place_Keyword_Thesaurus: None

Place_Keyword: United States of America

Place_Keyword: California

Place_Keyword: San Francisco Bay

Access_Constraints:

None. Data are freely downloadable and available for use in GIS and mapping subject the use constraints below.

Use_Constraints:

The data are freely redistributable with proper metadata and source attribution. Please reference the Pacific Institute as the originator of the dataset in any future products or research derived from these data. This information is being made available for informational purposes only. Users of this information agree by their use to hold blameless the State of California, and its respective officers, employees, agents, contractors, and subcontractors for any liability associated with its use in any form. This work shall not be used to assess actual coastal hazards, insurance requirements, or property values and specifically shall not be used in lieu of Flood Insurance Studies and Flood Insurance Rate Maps issued by the Federal Emergency Management Agency (FEMA).

Security_Information:

Security_Classification: Level 1: Public

Security_Handling_Description:

Public data is accessible to all requester categories, including the General Public, with limited to no restrictions.

Point_of_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: Pacific Institute

Contact_Person: Matthew Heberger

Contact_Position: Research Associate/GIS Manager

Contact_Address:

Address_Type: mailing address

Address: 654 13th Street

City: Oakland

State_or_Province: CA

Postal_Code: 94612

Country: USA

Address: Preservation Park

Contact_Voice_Telephone: (510) 251-1600

Contact_Facsimile_Telephone: (510) 251-2203

Contact_Electronic_Mail_Address: mheberger@pacinst.org

Hours_of_Service: 9:00 AM to 5:00 PM

Cross_Reference:

Citation_Information:

Publication_Information:

Larger_Work_Citation:

Citation_Information:

Series_Information:

Publication_Information:

Series_Information:

Data_Quality_Information:

Lineage:

Process_Step:

Process_Description:

Data from NOAA website was copied and placed in a Microsoft Excel spreadsheet, then imported to a shapefile in ArcGIS

Time_of_Day: 10222000

Process_Date: 2008

Source_Information:

Type_of_Source_Media: ESRI shapefile

Source_Time_Period_of_Content:

Time_Period_Information:

Single_Date/Time:

Calendar_Date: 2008

Source_Currentness_Reference: Time span of tidal measurements varies by station

Source_Citation:

Citation_Information:

Originator: NOAA

Title: NOAA Tide Stations

Online_Linkage:

<http://tidesandcurrents.noaa.gov/station_retrieve.shtml?type=Tide+Data>

Logical_Consistency_Report: The dataset is topologically correct.

Completeness_Report: Data set has been visually inspected.

Attribute_Accuracy:

Attribute_Accuracy_Report:

The data is derived directly from the NOAA tide information available online at: <http://tidesandcurrents.noaa.gov/station_retrieve.shtml?type=Tide+Data>. For attribute accuracy refer to the website.

Positional_Accuracy:

Horizontal_Positional_Accuracy:

Horizontal_Positional_Accuracy_Report:

Locations of tide stations are provided in Decimal Degrees, which we projected into WGS 1984 using ArcGIS.

Metadata_Reference_Information:

Metadata_Date: 20090224

Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata

Metadata_Standard_Version: FGDC-STD-001-1998

Metadata_Time_Convention: local time

Metadata_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Person: Matthew Heberger

Contact_Organization: Pacific Institute

Contact_Address:

Address_Type: mailing

City: Oakland

State_or_Province: CA

Postal_Code: 94612

Address:

654 13th Street, Preservation Park

Country: USA

Contact_Voice_Telephone: (510) 251-1600

Contact_Position: Research Associate/GIS Manager

Contact_Facsimile_Telephone: (510) 251-2203

Contact_Electronic_Mail_Address: mheberger@pacinst.org

Hours_of_Service: 9:00 AM to 5:00 PM

Metadata_Extensions:

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

Profile_Name: ESRI Metadata Profile

Distribution_Information:

Resource_Description: Downloadable Data

Standard_Order_Process:

Digital_Form:

Digital_Transfer_Information:

Format_Name: ESRI data format, dependent upon request

Format_Specification: Files are zipped using the 7zip software.

Transfer_Size: 0.000

Fees: None

Distributor:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: Pacific Institute

Contact_Person: Matthew Heberger

Contact_Position: Research Associate/GIS Manager

Contact_Address:

Address_Type: mailing

Address:

654 13th Street, Preservation Park

City: Oakland

State_or_Province: CA

Postal_Code: 94612

Country: USA

Contact_Voice_Telephone: (510) 251-1600

Contact_Facsimile_Telephone: (510) 251-2203

Contact_Electronic_Mail_Address: mheberger@pacinst.org

Hours_of_Service: 9:00 AM to 5:00 PM

Distribution_Liability:

The data are freely redistributable with proper metadata and source attribution. Please reference the Pacific Institute as the originator of the dataset in any future products or research derived from these data.

Technical_Prerequisites:

These data are available in Environmental Systems Research Institute (ESRI) shapefile format. The user must have ArcGIS or ArcView 3.0 or greater software to read and process the data file. In lieu of ArcView or ArcGIS, the user may utilize another GIS application package capable of importing the data. A free data viewer, ArcExplorer, capable of displaying the data is available from ESRI at www.esri.com.

Spatial_Data_Organization_Information:

Direct_Spatial_Reference_Method: Vector

Point_and_Vector_Object_Information:

SDTS_Terms_Description:

SDTS_Point_and_Vector_Object_Type: Entity point

Point_and_Vector_Object_Count: 12

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Geodetic_Model:

Horizontal_Datum_Name: D_WGS_1984

Ellipsoid_Name: WGS_1984

Semi-major_Axis: 6378137.000000

Denominator_of_Flattening_Ratio: 298.257224

Geographic:

Geographic_Coordinate_Units: Decimal degrees

Latitude_Resolution: 0.000000

Longitude_Resolution: 0.000000

Vertical_Coordinate_System_Definition:

Altitude_System_Definition:

Altitude_Datum_Name: North American Vertical Datum of 1988

Altitude_Distance_Units: meters

Altitude_Encoding_Method: Attribute values

Entity_and_Attribute_Information:

Detailed_Description:

Entity_Type:

Entity_Type_Label: CA_Tide_Stations

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: ID

Attribute:

Attribute_Label: Station

Attribute_Definition: Station number

Attribute:

Attribute_Label: Begin_Yr

Attribute_Definition: Year that tidal measuments began at the station

Attribute:

Attribute_Label: End_Yr

Attribute_Definition: Year that tidal measuments ended at the station

Attribute:

Attribute_Label: Duration

Attribute_Definition: Span, in years, that station has collected data

Attribute:

Attribute_Label: Name

Attribute_Definition: Name of tide station

Attribute:

Attribute_Label: Lat_Dec

Attribute_Definition: Latitude of station in decimal degrees

Attribute:

Attribute_Label: Long_Dec

Attribute_Definition: Longitude of station in decimal degrees

Attribute:

Attribute_Label: Web_Link

Attribute_Definition: Website where station data can be viewed

Attribute:

Attribute_Label: State

Attribute_Definition: State in which station is located

Attribute:

Attribute_Label: MLLW

Attribute_Definition: Mean Lower Low Water ( NAVD 88 meters)

Attribute:

Attribute_Label: MLW

Attribute_Definition: Mean Low Water ( NAVD 88 meters)

Attribute:

Attribute_Label: MSL

Attribute_Definition: Mean Sea Level ( NAVD 88 meters)

Attribute:

Attribute_Label: MHW

Attribute_Definition: Mean High Water ( NAVD 88 meters)

Attribute:

Attribute_Label: MHHW

Attribute_Definition: Mean Higher High Water ( NAVD 88 meters)