Tide Gauge Stations

Metadata also available as

Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: The Massachusetts Office of Coastal Zone Management
Publication_Date: 20100126
Title: Tide Gauge Stations
Geospatial_Data_Presentation_Form: vector digital data
Online_Linkage: <http://www.mass.gov/czm/mapping/index.htm>
Description:
Abstract:
The tide is an alternate and regular rise and fall of sea level in oceans and other large bodies of water. The Massachusetts coastline has a diurnal tide with two high and low tides each day. The National Oceanic and Atmospheric Administration (NOAA) has placed tide gauge stations in different locations along the coast to measure the rise and fall of the water. These data show the locations of these tide gauge stations and were taken from the NOAA Tides and Currents web site at <http://www.tidesandcurrents.noaa.gov/tides10/tab2ec1b.html> on January 25, 2010 by the Massachusetts Office of Coastal Zone Management.
Purpose:
The purpose is to show the locations of tide stations on the coast of Massachusetts. The attribute data also give the mean and spring tidal ranges and the mean tidal level at each station. The data were generated from the NOAA Tides and Currents web site at <http://www.tidesandcurrents.noaa.gov/index.shtml> on January 25, 2010 by the Massachusetts Office of Coastal Zone Management.
Supplemental_Information:
In some instances, zeroes after the decimal place in the mean range, spring range, and mean tide level attribute data were dropped. For example, the mean tide level for Plum Island, Merrimack River is 4.30 feet, but the number is displayed as 4.3 feet. In all cases, the value in a specific field with the greatest number of significant digits carries over to all values within the rest of the field. Again, the tide data were taken from <http://www.tidesandcurrents.noaa.gov/tides10/tab2ec1b.html>. Note: Station names in all capital characters denote primary stations; all others are secondary.
Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 20100126
Currentness_Reference: publication date
Status:
Progress: Complete
Maintenance_and_Update_Frequency: As needed
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -71.165644
East_Bounding_Coordinate: -67.695147
North_Bounding_Coordinate: 42.839328
South_Bounding_Coordinate: 41.202737
Keywords:
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: oceans, 014
Theme:
Theme_Keyword_Thesaurus:
NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version 6.0.0.0.0
Theme_Keyword: Oceans > Tides > Tidal Height
Theme_Keyword: Oceans > Tides > Tidal Range
Place:
Place_Keyword_Thesaurus: U.S. Board on Geographic Names
Place_Keyword: Massachusetts
Place_Keyword: Gulf of Maine
Place:
Place_Keyword_Thesaurus:
NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version 6.0.0.0.0
Place_Keyword: Ocean > Atlantic Ocean > North Atlantic Ocean
Place_Keyword: Ocean > Atlantic Ocean > North Atlantic Ocean > Gulf Of Maine
Place_Keyword:
Continent > North America > United States Of America > Massachusetts
Access_Constraints:
None. These data are in the public domain. GIS files are freely available for download.
Use_Constraints:
Public domain data from the Massachusetts Office of Coastal Zone Management (CZM), an agency of the Commonwealth of Massachusetts Executive Office of Energy and Environmental Affairs (EEA), are freely redistributable with proper metadata and source attribution. Please recognize the Massachusetts Office of Coastal Zone Management as the source of these data. You are not permitted to use CZM's name or to suggest that CZM endorses your project or product, without its express written consent. While efforts have been made to ensure that these data are accurate and reliable within the state of the art, CZM cannot assume liability for any damages or misrepresentation caused by any inaccuracies in the data or as a result of changes to the data caused by system transfers. The user must be aware of data conditions and bear responsibility for the appropriate use of these data with respect to possible errors, original map scale, collection methodology, currency of data, and other conditions specific to these data.
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: The Massachusetts Office of Coastal Zone Management
Contact_Position: CZM Data Manager
Contact_Address:
Address_Type: mailing address
Address: 251 Causeway Street, Suite 800
City: Boston
State_or_Province: MA
Postal_Code: 02114-2138
Country: USA
Contact_Voice_Telephone: 617-626-1200
Contact_Facsimile_Telephone: 617-626-1240
Contact_Electronic_Mail_Address: czm@state.ma.us
Hours_of_Service: 0900 hrs to 1600 hrs EST
Contact_Instructions: email only
Data_Set_Credit:
These spatial data were created by the Massachusetts Office of Coastal Zone Management (CZM) for the Massachusetts Executive Office of Energy and Environmental Affairs (EEA).
Native_Data_Set_Environment:
Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 3; ESRI ArcCatalog 9.3.1.3500
Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
From <http://www.tidesandcurrents.noaa.gov/faq2.html> (accessed January 26, 2010):
The accuracy of the tide predictions is different for each location. Periodically, we do a comparison of the predicted tides versus the observed tides for a calendar year. The information generated is compiled in a Tide Prediction Accuracy Table. We work to insure that the predictions are as accurate as possible. However, we can only predict the astronomical tides; we cannot predict the effect that wind, rain, freshwater runoff, and other short-term meteorological events will have on the tides.
In general, predictions for stations along the outer coast are more accurate than those for stations farther inland; such as, along a river, or in a bay or other estuary. Inland stations tend to have a stronger nontidal influence; that is, they are more susceptible to the effects of wind and other meteorological effects than stations along the outer coast. An example of an inland station that is difficult to predict is Baltimore, Maryland. This station is located at the northern end of Chesapeake Bay. Winds that blow along the length of the bay have been known to cause water levels to be 1-2 feet above or below the predicted tides.
Stations in relatively shallow water, or with a small tidal range, are also highly susceptible to meteorological effects, and thus, difficult to accurately predict. At these stations, short-term weather events can completely mask the astronomical tides. Many of the stations along the western Gulf of Mexico fall into this category. An example is Galveston, Texas. This station is in a bay that is relatively shallow and has a small opening to the sea. At this station it is possible for meteorological events to delay or accelerate the arrival of the predicted tides by an hour or more.
Logical_Consistency_Report:
A formal logical consistency report was not conducted for these data, but all points were visually inspected to ensure that they were close to their true position.
Completeness_Report:
All primary and secondary tidal stations in Massachusetts present on <http://tidesandcurrents.noaa.gov/tides10/tab2ec1b.html> were mapped.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
From <http://tidesandcurrents.noaa.gov/t2help.html> (accessed January 26, 2010):
The precision to which the position is recorded is dependent on the age of the station. Advances in electronic navigation has allowed for the geographical position of tide stations to be recorded with a high degree of precision. Older stations, which were observed before electronic navigation became widely available, will have positions recorded with less precision than those more recently observed.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator:
National Oceanic and Atmospheric Administration (NOAA), Center for Operational Oceanographic Products and Services (CO-OPS)
Publication_Date: 20091014
Title: Tidal Station Locations and Ranges
Online_Linkage: <http://www.tidesandcurrents.noaa.gov/tides10/tab2ec1b.htm>
Type_of_Source_Media: web site
Source_Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 20091014
Source_Currentness_Reference: publication date
Source_Citation_Abbreviation: NOAA Tides and Currents web site
Source_Contribution: Web site from which the data were taken.
Process_Step:
Process_Description:
The tidal station locations and ranges were copied from the NOAA Tides and Currents web site (<http://www.tidesandcurrents.noaa.gov/tides10/tab2ec1b.html>). The latitude and longitude in degrees and minutes were converted to decimal degrees. The coordinates were plotted in ArcMap in WGS 84. The data were projected to the North American Datum of 1983, Massachusetts State Plane Coordinate System, Mainland Zone (FIPS zone 2001), meters.
Source_Used_Citation_Abbreviation: NOAA Tides and Currents web site
Process_Date: 20100125
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: The Massachusetts Office of Coastal Zone Management
Contact_Position: CZM Data Manager
Contact_Address:
Address_Type: mailing address
Address: 251 Causeway Street, Suite 800
City: Boston
State_or_Province: MA
Postal_Code: 02114-2138
Country: USA
Contact_Voice_Telephone: 617-626-1200
Contact_Facsimile_Telephone: 617-626-1240
Contact_Electronic_Mail_Address: czm@state.ma.us
Hours_of_Service: 0900 hrs to 1600 hrs EST
Contact_Instructions: email only
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: 85
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Grid_Coordinate_System:
Grid_Coordinate_System_Name: State Plane Coordinate System 1983
State_Plane_Coordinate_System:
SPCS_Zone_Identifier: 2001
Lambert_Conformal_Conic:
Standard_Parallel: 41.716667
Standard_Parallel: 42.683333
Longitude_of_Central_Meridian: -71.500000
Latitude_of_Projection_Origin: 41.000000
False_Easting: 200000.000000
False_Northing: 750000.000000
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: coordinate pair
Coordinate_Representation:
Abscissa_Resolution: 0.000000
Ordinate_Resolution: 0.000000
Planar_Distance_Units: meters
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: tide_stations
Entity_Type_Definition: Tide stations.
Entity_Type_Definition_Source: CZM
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: MEAN_RANGE
Attribute_Definition:
Mean Range (feet): The mean difference between high and low tidal levels.
Attribute_Definition_Source:
National Oceanic and Atmospheric Administration (NOAA). "Tide Tables: Help." 26 January, 2010 <http://www.tidesandcurrents.noaa.gov/t2help.html>.
Attribute_Domain_Values:
Unrepresentable_Domain: Description of features.
Attribute:
Attribute_Label: SPRING_RAN
Attribute_Definition:
Spring Range (feet): The mean difference between high and low tidal levels during "spring tides". Spring tides are periods of increased tidal range which occur around the dates of the full moon and the new moon.
Attribute_Definition_Source:
National Oceanic and Atmospheric Administration (NOAA). "Tide Tables: Help." 26 January, 2010 <http://www.tidesandcurrents.noaa.gov/t2help.html>.
Attribute_Domain_Values:
Unrepresentable_Domain: Description of features.
Attribute:
Attribute_Label: MEAN_TIDE
Attribute_Definition:
Mean Tide Level (feet): The arithmetic mean of high and low tides. The height of the Mean Tide Level is listed relative to the Mean Lower Low Water datum.
Attribute_Definition_Source:
National Oceanic and Atmospheric Administration (NOAA). "Tide Tables: Help." 26 January, 2010 <http://www.tidesandcurrents.noaa.gov/t2help.html>.
Attribute_Domain_Values:
Unrepresentable_Domain: Description of features.
Attribute:
Attribute_Label: STATION
Attribute_Definition:
Station name. Note: Station names in all capital characters denote primary stations; all others are secondary.
Attribute_Definition_Source: NOAA
Attribute_Domain_Values:
Unrepresentable_Domain: Description of features.
Attribute:
Attribute_Label: LAT
Attribute_Definition: Latitude (WGS 84) in decimal degrees.
Attribute_Definition_Source: CZM
Attribute_Domain_Values:
Unrepresentable_Domain: Description of features.
Attribute:
Attribute_Label: LON
Attribute_Definition: Longitude (WGS 84) in decimal degrees.
Attribute_Definition_Source: CZM
Attribute_Domain_Values:
Unrepresentable_Domain: Description of features.
Attribute:
Attribute_Label: STATION_ID
Attribute_Definition: Station ID.
Attribute_Definition_Source: NOAA
Attribute_Domain_Values:
Unrepresentable_Domain: Description of features.
Attribute:
Attribute_Label: URL
Attribute_Definition: URL to the 2010 predictions for the station.
Attribute_Definition_Source: NOAA
Attribute_Domain_Values:
Unrepresentable_Domain: Description of features.
Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: The Massachusetts Office of Coastal Zone Management
Contact_Position: CZM Data Manager
Contact_Address:
Address_Type: mailing address
Address: 251 Causeway Street, Suite 800
City: Boston
State_or_Province: MA
Postal_Code: 02114-2138
Country: USA
Contact_Voice_Telephone: 617-626-1200
Contact_Facsimile_Telephone: 617-626-1240
Contact_Electronic_Mail_Address: czm@state.ma.us
Hours_of_Service: 0900 hrs to 1600 hrs EST
Contact_Instructions: email only
Resource_Description: Downloadable Data
Distribution_Liability:
Although every effort has been made to ensure the accuracy of these data, errors and conditions originating from physical sources used to develop these data may be reflected in the data supplied. The client must be aware of data conditions and bear responsibility for the appropriate use of the information with respect to possible errors, original map scale, collection methodology, currency of data, and other conditions specific to certain data. In no event shall CZM be liable for any damages, whether general, special, incidental or consequential damages, arising out of your use of these data. Your sole remedy for damages is to stop using the data. You agree to defend, indemnify, and hold harmless CZM and its employees against any claim, loss, liability or expense, including attorneys' fees, resulting from loss of or damage to property or the injury to or death of any person arising out of the use of the data.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: ESRI Shapefile (.shp)
Format_Version_Number: ArcGIS 8.x & 9.x
Transfer_Size: 0.002
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name: <http://www.mass.gov/czm/mapping/index.htm>
Fees:
GIS and coordinate files may be downloaded at no charge by following links on the Massachusetts Office of Coastal Zone Management website (<http://www.mass.gov/czm/mapping/index.htm/>).
Metadata_Reference_Information:
Metadata_Date: 20100126
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: The Massachusetts Office of Coastal Zone Management
Contact_Position: CZM Data Manager
Contact_Address:
Address_Type: mailing address
Address: 251 Causeway Street, Suite 800
City: Boston
State_or_Province: MA
Postal_Code: 02114-2138
Country: USA
Contact_Voice_Telephone: 617-626-1200
Contact_Facsimile_Telephone: 617-626-1240
Contact_Electronic_Mail_Address: czm@state.ma.us
Hours_of_Service: 0900 hrs to 1600 hrs EST
Contact_Instructions: email only
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time
Metadata_Extensions:
Online_Linkage: <http://www.esri.com/metadata/esriprof80.html>
Profile_Name: ESRI Metadata Profile
Generated by mp version 2.9.6 on Tue Jan 26 13:55:13 2010