Layers:

Layer: Highest_Astronomical_Tide_Line (0)


Name: Highest_Astronomical_Tide_Line

Display Field: SECONDARY_STATION

Type: Feature Layer

Geometry Type: esriGeometryPolyline

Description:

State-wide GIS dataset approximating the location of the Highest Astronomical Tide along the Maine coastline. The line feature class includes queriable information on the predicted Highest Astronomical Tide. The data was created using outputs from a python-based tool developed by the Maine Geological Survey which adjusts Highest Astronomical Tide predictions from NOAA CO-OPs tidal stations along the coastline using NOAA's VDATUM. Bare-earth Light Detection and Ranging (LiDAR) digital elevation models or DEMs,of Maine’s coastal zone areas (2006, 2010, 2011, and 2015-2017) were also used as part of the analysis.

The line feature class includes the following attributes:

• SECONDARY_STATION - the nearest (and hydrologically important) NOAA CO-OPs tidal prediction station which was used to determine the Highest Astronomical Tide value for a stretch of the Maine coastline.

• HT_FT_NAVD - the Highest Astronomical Tide, referenced in feet, NAVD88, rounded to the nearest tenth-of-a-foot, for stretches of the Maine coastline.



Copyright Text: P. A. Slovinsky, S. Rickerich, and C. H. Halsted of the Maine Geological Survey. This data was prepared by the Maine Geological Survey under award MANCZM2017 to the Maine Coastal Program from the Office for Coastal Management, National Oceanic and Atmospheric Administration, US Department of Commerce. The statements, findings, conclusions, and recommendations are those of the author(s) and do not necessarily reflect the views of the National Oceanic and Atmospheric Administration or the Department of Commerce.

Min. Scale: 0

Max. Scale: 0

Default Visibility: true

Max Record Count: 2000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

Extent:

XMin: 351007.6611
YMin: 4759539.0862
XMax: 662104.2662
YMax: 5005630.8738
Spatial Reference: 26919 (26919)


Drawing Info:

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HasM: false

Has Attachments: false

Has Geometry Properties: true

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Object ID Field: OBJECTID

Unique ID Field:

Name : OBJECTID

IsSystemMaintained : True


Global ID Field:

Type ID Field:

Fields:
• OBJECTID (type: esriFieldTypeOID, alias: OBJECTID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
• SECONDARY_STATION (type: esriFieldTypeString, alias: SECONDARY_STATION, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true)
• STATION_ID (type: esriFieldTypeInteger, alias: STATION_ID, SQL Type: sqlTypeOther, nullable: true, editable: true)
• HT_FT_NAVD (type: esriFieldTypeDouble, alias: HT_FT_NAVD, SQL Type: sqlTypeOther, nullable: true, editable: true)
• Shape__Length (type: esriFieldTypeDouble, alias: Shape__Length, SQL Type: sqlTypeDouble, nullable: true, editable: false)

Templates:

Name: Highest_Astronomical_Tide_Line
Description:
Drawing Tool: esriFeatureEditToolLine
Prototype:


Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 9/7/2022 7:43:36 PM

Schema Last Edit Date: 9/7/2022 7:43:36 PM

Data Last Edit Date: 9/7/2022 7:43:36 PM

Layer: Highest_Astronomical_Tide_Stations (1)


Name: Highest_Astronomical_Tide_Stations

Display Field: SECONDARY_STATION

Type: Feature Layer

Geometry Type: esriGeometryPoint

Description:

The elevations provided were calculated using tide tables and the VDATUM model in order to get the highest astronomical tide elevation relative to mean low low water, National Geodetic Vertical Datum 1929 (NGVD29), and North American Vertical Datum 1988 (NAVD88) and the located reference stations along the Maine coast.



Copyright Text: Stephen M. Dickson and Peter Slovinsky, Maine Geological Survey, were instrumental in providing the data necessary to construct this layer.

Min. Scale: 0

Max. Scale: 0

Default Visibility: true

Max Record Count: 2000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

Extent:

XMin: 350864.2809
YMin: 4759670.4246
XMax: 659242.0884
YMax: 4998888.5228
Spatial Reference: 26919 (26919)


Drawing Info:

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HasZ: false

HasM: false

Has Attachments: false

Has Geometry Properties: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Object ID Field: OBJECTID

Unique ID Field:

Name : OBJECTID

IsSystemMaintained : True


Global ID Field:

Type ID Field:

Fields:
• OBJECTID (type: esriFieldTypeOID, alias: OBJECTID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
• SECONDARY_STATION (type: esriFieldTypeString, alias: SECONDARY_STATION, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true)
• STATION_ID (type: esriFieldTypeInteger, alias: STATION_ID, SQL Type: sqlTypeOther, nullable: true, editable: true)
• STATION_TYPE (type: esriFieldTypeString, alias: STATION_TYPE, SQL Type: sqlTypeOther, length: 30, nullable: true, editable: true)
• REFERENCE_STATION (type: esriFieldTypeString, alias: REFERENCE_STATION, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true)
• GEOGRAPHIC_AREA (type: esriFieldTypeString, alias: GEOGRAPHIC_AREA, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true)
• LOCATION (type: esriFieldTypeString, alias: LOCATION, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true)
• HT_MLLW (type: esriFieldTypeDouble, alias: HT_MLLW, SQL Type: sqlTypeOther, nullable: true, editable: true)
• HT_NAVD88_VDATUM (type: esriFieldTypeDouble, alias: HT_NAVD88_VDATUM, SQL Type: sqlTypeOther, nullable: true, editable: true)
• YEAR (type: esriFieldTypeSmallInteger, alias: YEAR, SQL Type: sqlTypeOther, nullable: true, editable: true)
• NOTES (type: esriFieldTypeString, alias: NOTES, SQL Type: sqlTypeOther, length: 250, nullable: true, editable: true)

Templates:

Name: Highest_Astronomical_Tide_Stations
Description:
Drawing Tool: esriFeatureEditToolPoint
Prototype:


Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 9/7/2022 7:43:36 PM

Schema Last Edit Date: 9/7/2022 7:43:36 PM

Data Last Edit Date: 9/7/2022 7:43:36 PM