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Ibcao Bathymetry Data

marcus g. langseth 0814

Emodnet Dataset ID (LID)
0000051805
id
10361
Dataset name
marcus g. langseth 0814
File name
20231009/mgl-0814-100m-3996.xyz
Data format
xyz (tsv)
File size
110550147
Dataset version
5
Seabed source ID (SID)
1317
Seabed data category (TID)
Multibeam — depth value collected by a multibeam echo-sounder (code 11)
Included in IBCAO gridding
Yes (code 1)
IBCAO gridding layer weight
10000
Data restriction
by negotiation
Shape
surface
Cruise name
MGL0814
Cruise ID
0
Chief scientist
Gulick, Sean
Start date
2008-09-10
End date
2008-10-06
Date format
Only date, no time (code Y-m-d)
From harbour
Astoria, Oregon
To harbour
Astoria, Oregon
Originator centre
Rolling Deck to Repository
Data provider
National Oceanic and Atmospheric Administration, National Centers for Environmental Information
Platform class
research vessel
Station name
RV Marcus G. Langseth
Station id
WDC6698
Instrument
multi-beam echosounders
Instrument specified
Kongsberg EM120
Spatial reference system
EPSG:3996
Horizontal resolution
100
IBCAO gridding Remove and Restore resolution
100
Abstract
Raw, underway multibeam sonar data as originally collected from a Kongsberg EM120 system in 2008 on the vessel Langseth during the cruise MGL0814, "ST. Elias Erosion/Tectonics Project (STEEP)", by investigator Sean Gulick.
URL
https://www.ngdc.noaa.gov/ships/marcus_g_langseth/MGL0814_mb.html
Database reference
NOAA-NCEI
Operator who enters this information
marcus
File creation time
2023-10-06 08:19:01+00
Metadata modification time
2023-10-09 08:11:37.166715+00
Bounding box
POLYGON((-4166950 2587250,-4166950 2890250,-1976150 2890250,-1976150 2587250,-4166950 2587250))
Color
#9114d9
Ibcao data status
finalising
Processing status
Final check, otherwise done.

Revisions

Version 5

Mon, 09 Oct 2023 10:11:37 +0200

Data were cleaned of outliers, some metadata was updated.

Version 4

Mon, 11 Sep 2023 14:49:40 +0200

Data were added to the grid and weight and gridding resolution were assigned.

Version 3

Thu, 08 Jun 2023 01:38:27 +0200

Raw data were downloaded, gridded to 100 m and transformed from EPSG 4326 to 3996 in Qimera. Changed or added metadata (name, format, date format, harbour from/to, originator, provider, srs, horizontal resolution, abstract, database reference). Status set to processing

Version 2

Tue, 03 May 2022 13:38:17 +0200

Downloaded rawdata, exported to xyz using MB systems, transformed to epsg:3996 from 4326, gridded to 200 m

Version 1

Tue, 03 May 2022 13:38:17 +0200

Initial commit
Knut and Alice Wallenberg Foundation (KAW) and Swedish Research Council (VR) financed the Oden multibeam system and the installation was financed by the Swedish Maritime Administration. The Oden expeditions were organized by the Swedish Polar Research Secretariat. This Mapping Repository is a part of the Bert Bolin Centre for Climate Research data archive.