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Infomar/All_Bathymetry (ImageServer)

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Service Description: This is an image service of the bathymetry data acquired. The term bathymetry refers to the ocean's depth relative to sea level, it can also be used to describe submarine topography or underwater terrain. INFOMAR bathymetry data is measured primarily by multibeam (MBES). MBES transducers transmit multiple high frequency pulses of sound in a fan shape beneath the vessel, enabling a large swath of seabed to be mapped at high resolution as the vessel moves along. The time taken for the sound to travel to and be reflected from the seabed back to the ship provides the water depth. Sound velocity profiles are taken to calibrate systems as data acquisition is ongoing. This bathymetry data was processed using Caris Hips and SIPS and merged using Global Mapper softwares. Inshore grids are generally 5m resolution and further offshore grids are 10-20m resolution. In very deep areas off the shelf are 110m resolution. The data is levelled to LAT using the UK Hydrographic Office VORF reference system or tide guages. Reports for each survey and data acquired can be downloaded from the following link: https://jetstream.gsi.ie/iwdds/map.jsp. Information on the INFOMAR project is available from www.infomar.ie.

Name: Infomar/All_Bathymetry

Description: This is an image service of the bathymetry data acquired. The term bathymetry refers to the ocean's depth relative to sea level, it can also be used to describe submarine topography or underwater terrain. INFOMAR bathymetry data is measured primarily by multibeam (MBES). MBES transducers transmit multiple high frequency pulses of sound in a fan shape beneath the vessel, enabling a large swath of seabed to be mapped at high resolution as the vessel moves along. The time taken for the sound to travel to and be reflected from the seabed back to the ship provides the water depth. Sound velocity profiles are taken to calibrate systems as data acquisition is ongoing. This bathymetry data was processed using Caris Hips and SIPS and merged using Global Mapper softwares. Inshore grids are generally 5m resolution and further offshore grids are 10-20m resolution. In very deep areas off the shelf are 110m resolution. The data is levelled to LAT using the UK Hydrographic Office VORF reference system or tide guages. Reports for each survey and data acquired can be downloaded from the following link: https://jetstream.gsi.ie/iwdds/map.jsp. Information on the INFOMAR project is available from www.infomar.ie.

Single Fused Map Cache: false

Extent: Initial Extent: Full Extent: Pixel Size X: 5.0

Pixel Size Y: 5.0

Band Count: 4

Pixel Type: U8

RasterFunction Infos: N/A

Mensuration Capabilities: None

Has Histograms: false

Has Colormap: false

Min Scale: 0

Max Scale: 0

Copyright Text: Please reference the INSS/INFOMAR project when the data is used in publications and presentations.

Service Data Type: esriImageServiceDataTypeGeneric

Min Values: N/A

Max Values: N/A

Mean Values: N/A

Standard Deviation Values: N/A

Object ID Field: OBJECTID

Fields: Default Mosaic Method: Northwest

Allowed Mosaic Methods: NorthWest,Center,LockRaster,ByAttribute,Nadir,Viewpoint,Seamline,None

SortField:

SortValue: null

Mosaic Operator: First

Default Compression Quality: 75

Default Resampling Method: Bilinear

Max Record Count: 1000

Max Image Height: 4100

Max Image Width: 15000

Max Download Image Count: 20

Max Mosaic Image Count: 20

Allow Raster Function: true

Allow Compute TiePoints: false

Supports Statistics: true

Supports Advanced Queries: true

Use StandardizedQueries: true

Raster Type Infos: Has Raster Attribute Table: false

Edit Fields Info: null

Ownership Based AccessControl For Rasters: null

Child Resources:   Info   Key Properties   Legend

Supported Operations:   Export Image   Query   Identify   Compute Histograms   Get Samples   Compute Class Statistics