Source: http://archive-no.com/no/s/sjokart.no/2016-02-08_7466798_32/4_1_4_Chart_datum_Kartverket/
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archive-no.com: sjokart.no - 4.1.4 Chart datum | Kartverket
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4.1.4 Chart datum | Kartverket
Charts 4 1 Reliability 4 1 4 Chart datum del Del på e post facebook twitter Miscellaneous Notices to Mariners Miscellaneous Notices to Mariners Previous 4 1 3 Chart Scale Next 4 2 Symbols and Abbrevations 4 1 4 Chart datum From Utsira and northwards including Svalbard the chart datum vertical is identical to lowest astronomical tide LAT In Oslofjorden north of Drøbaksundet the chart datum is 30 cm below LAT and between the Swedish border and Utsira the chart datum is 20 cm below LAT Meteorological conditions can cause depths to be less than specified in the chart More information can be found in the publication Tide Tables for the Norwegian Coast and Svalbard Tidevannstabeller for den norske kyst med Svalbard and in the Norwegian pilot guide sailing directions Den norske los Volume 1 Alminnelige opplysninger Miscellaneous Notices to Mariners Previous 4 1 3 Chart Scale Next 4 2 Symbols and Abbrevations To top Document frontpage Miscellaneous Notices to Mariners 1 Important attachments to the Efs 2 About Etterretninger for sjøfarende Efs 3 Tracings 4 Nautical Charts 4 1 Reliability 4 1 1 Projections 4 1 2 Grid Horizontal Datum 4 1 3 Chart Scale 4 1 4 Chart
Original URL path: http://www.sjokart.no/en/EFS/Miscellaneous-Notices-to-Mariners/4-Nautical-Charts/41-Reliability/414-Chart-datum/ (2016-02-08)
4.2.1 Place names | Kartverket
2 Symbols and Abbrevations Next 4 2 2 Leading Line 4 2 1 Place names In some charts the spelling of place names are out dated Place names are currently under revision and creation When new releases of charts are published all place names will be revised and updated It will therefore take a while before all the charts are updated There is currently a transition period with maps and publication using both the old and new spellings of certain place names In new editions of charts place names a will be updated in accordance with the laws on place names Miscellaneous Notices to Mariners Previous 4 2 Symbols and Abbrevations Next 4 2 2 Leading Line To top Document frontpage Miscellaneous Notices to Mariners 1 Important attachments to the Efs 2 About Etterretninger for sjøfarende Efs 3 Tracings 4 Nautical Charts 4 1 Reliability 4 2 Symbols and Abbrevations 4 2 1 Place names 4 2 2 Leading Line 4 2 3 Ferry route 4 2 4 Overhead and Submarine Cables 4 2 5 Depth Contours 4 2 6 Soundings 4 2 7 Underwater rocks 4 2 8 Rock awash 4 2 9 Rock 4 2 10 Danger Line
Original URL path: http://www.sjokart.no/en/EFS/Miscellaneous-Notices-to-Mariners/4-Nautical-Charts/42-Symbols-and-Abbrevations/4.2.1-place-names/ (2016-02-08)
4.2.2 Leading Line | Kartverket
Services Start page Efs Miscellaneous Notices to Mariners 4 Nautical Charts 4 2 Symbols and Abbrevations 4 2 2 Leading Line del Del på e post facebook twitter Miscellaneous Notices to Mariners Miscellaneous Notices to Mariners Previous 4 2 1 Place names Next 4 2 3 Ferry route 4 2 2 Leading Line Leading lines indicate that waters are commonly used as fairways Miscellaneous Notices to Mariners Previous 4 2 1 Place names Next 4 2 3 Ferry route To top Document frontpage Miscellaneous Notices to Mariners 1 Important attachments to the Efs 2 About Etterretninger for sjøfarende Efs 3 Tracings 4 Nautical Charts 4 1 Reliability 4 2 Symbols and Abbrevations 4 2 1 Place names 4 2 2 Leading Line 4 2 3 Ferry route 4 2 4 Overhead and Submarine Cables 4 2 5 Depth Contours 4 2 6 Soundings 4 2 7 Underwater rocks 4 2 8 Rock awash 4 2 9 Rock 4 2 10 Danger Line 4 2 11 Intertidal Areas Above Chart Datum 4 2 12 Coastline 4 2 13 Depth Over Wreck 4 3 Tidal Waters 4 4 Reference Level for Vertical Clearances 4 6 Submarine Cables Overhead Cables and Submarine Pipelines
Original URL path: http://www.sjokart.no/en/EFS/Miscellaneous-Notices-to-Mariners/4-Nautical-Charts/42-Symbols-and-Abbrevations/4.2.2-leading-line/ (2016-02-08)
4.2.3 Ferry route | Kartverket
to Mariners 4 Nautical Charts 4 2 Symbols and Abbrevations 4 2 3 Ferry route del Del på e post facebook twitter Miscellaneous Notices to Mariners Miscellaneous Notices to Mariners Previous 4 2 2 Leading Line Next 4 2 4 Overhead and Submarine Cables 4 2 3 Ferry route To inform mariners of crossing traffic ferries are marked on the chart by the contours of a red ferry along a dashed line This symbol is not to be regarded as a recommended track Miscellaneous Notices to Mariners Previous 4 2 2 Leading Line Next 4 2 4 Overhead and Submarine Cables To top Document frontpage Miscellaneous Notices to Mariners 1 Important attachments to the Efs 2 About Etterretninger for sjøfarende Efs 3 Tracings 4 Nautical Charts 4 1 Reliability 4 2 Symbols and Abbrevations 4 2 1 Place names 4 2 2 Leading Line 4 2 3 Ferry route 4 2 4 Overhead and Submarine Cables 4 2 5 Depth Contours 4 2 6 Soundings 4 2 7 Underwater rocks 4 2 8 Rock awash 4 2 9 Rock 4 2 10 Danger Line 4 2 11 Intertidal Areas Above Chart Datum 4 2 12 Coastline 4 2 13 Depth
Original URL path: http://www.sjokart.no/en/EFS/Miscellaneous-Notices-to-Mariners/4-Nautical-Charts/42-Symbols-and-Abbrevations/423-Ferry-route/ (2016-02-08)
4.2.4 Overhead- and Submarine Cables | Kartverket
Notices to Mariners Previous 4 2 3 Ferry route Next 4 2 5 Depth Contours 4 2 4 Overhead and Submarine Cables Overhead cables telephone and power lines that cross salt water are inserted onto the nautical charts after if Norwegian Hydrographic Service is notified about them Notices about new cables are frequently issued in Efs As both overhead and underwater cables may carry very high voltages it is important that the navigator show extreme caution when navigating near them The navigator should also be aware that new cables may not be displayed in the chart Underwater and overhead cables which are installed after the latest print of the chart have to be inserted manually Miscellaneous Notices to Mariners Previous 4 2 3 Ferry route Next 4 2 5 Depth Contours To top Document frontpage Miscellaneous Notices to Mariners 1 Important attachments to the Efs 2 About Etterretninger for sjøfarende Efs 3 Tracings 4 Nautical Charts 4 1 Reliability 4 2 Symbols and Abbrevations 4 2 1 Place names 4 2 2 Leading Line 4 2 3 Ferry route 4 2 4 Overhead and Submarine Cables 4 2 5 Depth Contours 4 2 6 Soundings 4 2 7 Underwater rocks
Original URL path: http://www.sjokart.no/en/EFS/Miscellaneous-Notices-to-Mariners/4-Nautical-Charts/42-Symbols-and-Abbrevations/424-Overhead--and-Submarine-Cables/ (2016-02-08)
4.2.5 Depth Contours | Kartverket
Notices to Mariners Miscellaneous Notices to Mariners Previous 4 2 4 Overhead and Submarine Cables Next 4 2 6 Soundings 4 2 5 Depth Contours The depth contours have been drawn through points with the same depth and have then been generalized Thus the contours may not always be accurate but they do show the nature of the topography of the sea floor By generalizing the depth contours the line is always moved towards deeper waters to ensure safe navigation In areas where the topography is complicated normal cartographic practice is to merge or generalize the depth areas This is very common in the complex Norwegian waters Miscellaneous Notices to Mariners Previous 4 2 4 Overhead and Submarine Cables Next 4 2 6 Soundings To top Document frontpage Miscellaneous Notices to Mariners 1 Important attachments to the Efs 2 About Etterretninger for sjøfarende Efs 3 Tracings 4 Nautical Charts 4 1 Reliability 4 2 Symbols and Abbrevations 4 2 1 Place names 4 2 2 Leading Line 4 2 3 Ferry route 4 2 4 Overhead and Submarine Cables 4 2 5 Depth Contours 4 2 6 Soundings 4 2 7 Underwater rocks 4 2 8 Rock awash 4 2
Original URL path: http://www.sjokart.no/en/EFS/Miscellaneous-Notices-to-Mariners/4-Nautical-Charts/42-Symbols-and-Abbrevations/425-Depth-Contours/ (2016-02-08)
4.2.6 Soundings | Kartverket
Services Start page Efs Miscellaneous Notices to Mariners 4 Nautical Charts 4 2 Symbols and Abbrevations 4 2 6 Soundings del Del på e post facebook twitter Miscellaneous Notices to Mariners Miscellaneous Notices to Mariners Previous 4 2 5 Depth Contours Next 4 2 7 Underwater rocks 4 2 6 Soundings A sounding is the depth in a position relative to the chart s vertical datum Its value is a positive number Its position is the center of the number Miscellaneous Notices to Mariners Previous 4 2 5 Depth Contours Next 4 2 7 Underwater rocks To top Document frontpage Miscellaneous Notices to Mariners 1 Important attachments to the Efs 2 About Etterretninger for sjøfarende Efs 3 Tracings 4 Nautical Charts 4 1 Reliability 4 2 Symbols and Abbrevations 4 2 1 Place names 4 2 2 Leading Line 4 2 3 Ferry route 4 2 4 Overhead and Submarine Cables 4 2 5 Depth Contours 4 2 6 Soundings 4 2 7 Underwater rocks 4 2 8 Rock awash 4 2 9 Rock 4 2 10 Danger Line 4 2 11 Intertidal Areas Above Chart Datum 4 2 12 Coastline 4 2 13 Depth Over Wreck 4 3 Tidal
Original URL path: http://www.sjokart.no/en/EFS/Miscellaneous-Notices-to-Mariners/4-Nautical-Charts/42-Symbols-and-Abbrevations/426-Soundings/ (2016-02-08)
4.2.7 Underwater rocks | Kartverket
2 Symbols and Abbrevations 4 2 7 Underwater rocks del Del på e post facebook twitter Miscellaneous Notices to Mariners Miscellaneous Notices to Mariners Previous 4 2 6 Soundings Next 4 2 8 Rock awash 4 2 7 Underwater rocks An underwater rock is an area of limited size which stretches towards the surface but is deeper than 0 5 m below the chart s vertical datum 0 9 9 m are displayed with decimals 10 20 m are rounded down to the nearest meter 20 m are displayed as soundings in italics Miscellaneous Notices to Mariners Previous 4 2 6 Soundings Next 4 2 8 Rock awash To top Document frontpage Miscellaneous Notices to Mariners 1 Important attachments to the Efs 2 About Etterretninger for sjøfarende Efs 3 Tracings 4 Nautical Charts 4 1 Reliability 4 2 Symbols and Abbrevations 4 2 1 Place names 4 2 2 Leading Line 4 2 3 Ferry route 4 2 4 Overhead and Submarine Cables 4 2 5 Depth Contours 4 2 6 Soundings 4 2 7 Underwater rocks 4 2 8 Rock awash 4 2 9 Rock 4 2 10 Danger Line 4 2 11 Intertidal Areas Above Chart Datum 4
Original URL path: http://www.sjokart.no/en/EFS/Miscellaneous-Notices-to-Mariners/4-Nautical-Charts/42-Symbols-and-Abbrevations/427-Underwater-rocks/ (2016-02-08)