Latvian waters, charted soundings
Data extracted from older sea charts. The sea charts used for this is based on older Russian surveys in areas that has not yet been surveyed to present standard.
What
Metadata details
- File identifier
- SDN_CPRD_4665_LATCHART
- Catalogue type
-
Product record
-
Project name
-
-
EMODnet HRSM
-
- Dissemination level
-
public
- Metadata language
- English
- Date stamp
- 2020-01-14T16:32:00
Identification
- Dataset name
-
Latvian waters, charted soundings
- Short name of dataset (SDN Local Product-ID)
-
LATCHART
-
Parameter Discovery Vocabulary (P02)
-
-
Bathymetry and Elevation
-
-
SeaDataNet device categories
-
-
multi-beam echosounders
-
plummets
-
single-beam echosounders
-
Geometry
- Spatial representation type
- Vector
- Pixel size
- 300 Metres (m)
- Maximum scale of use
- 50000
Abstract
- Dataset description abstract
-
Data extracted from older sea charts. The sea charts used for this is based on older Russian surveys in areas that has not yet been surveyed to present standard.
- Description of processed data sources
-
This is an extract of the available data from the Latvian territorial Waters.
- Description of data processing
-
No interpolation of data.
Quality
Accuracy / Calibration
Hor. accuracy
- Measure description
-
Varying positioning methods has been used and hence it is impossible to set one value of the accuracy. It can vary from <1m to 50m.
- Value
- 50m
- Evaluation method description
-
No validation done.
Vert. accuracy
- Measure description
-
Varying survey methods has been used over the years and hence it is impossible to set one value of the accuracy.
- Evaluation method description
-
No validation done
Suitability
- Suitability, Expected type of users / uses and limitations
-
Data originates from the Latvian Hydrographic Office.
Quality Indicators
- Horizontal Quality Indicator
- 1 - Between 500m and 50m
- Vertical Quality Indicator
- -1 - Multisources
- Purpose Quality Indicator
- 3 - Hydrographic survey or compatible with hydrographic standards
Where
- Min. depth in meters (>0 below Sea Level)
- 0
- Max. depth in meters (>0 below Sea Level)
- 240
Projection
- code
-
WGS-84 (EPSG:4326)
- Version or custom projection details
-
Elevations are stored in Baltic Sea Chart Datum 2000 (MSL)
When
Creation date
- date
- 2018-01-10
Revision date
- date
- 2018-01-10
Temporal extent*
- Begin
- 1900-01-01
- End
- 1994-12-31 Before
Who
Originator
Data Holding Center
Collating Centre = Metadata author
Access
Distributor
- Organisation name
-
Maritime Administration of Latvia (MAL)
Data formats*
- Format
-
XYZ Ascii
- Transfer size (in MB)
- 2
Intellectual property
- Use limitation
-
Data are not to be:
*used for safety of navigation purposes
*used in Electronic Chart Display Systems
*used as an aid to navigaton
- Access constraints
- License
- Use constraints
- Copyright
- Other constraints
-
Data are not to be:
*used for safety of navigation purposes
*used in Electronic Chart Display Systems
*used as an aid to navigaton