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Ibcao Bathymetry Data

chs nonna 100

Emodnet Dataset ID (LID)
0000018522
id
10366
Dataset name
chs nonna 100
File name
20230613/chs-nonna-100m-20230612-masked.xyz
Data format
xyz (tsv)
File size
5923653689
Dataset version
22
Seabed source ID (SID)
156
Seabed data category (TID)
Combination of direct measurement methods (code 17)
Included in IBCAO gridding
No (code 0)
Data restriction
by negotiation
Cruise name
CHS_nonna
Cruise ID
0
Originator centre
Canadian Hydrographic Service
Data provider
Canadian Hydrographic Service
Spatial reference system
EPSG:3996
Horizontal resolution
31248.4
IBCAO gridding Remove and Restore resolution
250
URL
https://open.canada.ca/data/en/dataset/d3881c4c-650d-4070-bf9b-1e00aabf0a1d
Operator who enters this information
marcus
File creation time
2023-06-12 13:14:51+00
Metadata modification time
2023-10-13 08:53:43.286946+00
Bounding box
POLYGON((-5580023.733 -3563891.873,-5580023.733 3373276.958,-423002.037 3373276.958,-423002.037 -3563891.873,-5580023.733 -3563891.873))
Color
#eed24c
preprocess
https://git.bolin.su.se/rez/seabed2030-preprocess/-/blob/master/chs.py
Ibcao data status
hidden
Supplementary data
20231010/chs-nonna-100m-20231010-final-mask.xyz

Revisions

Version 22

Fri, 13 Oct 2023 10:53:43 +0200

Updated status to hidden as the dataset is not deprecated but will not be used in the final grid.

Version 21

Tue, 10 Oct 2023 15:03:47 +0200

Added the final mask which will be used for all future updates as a supplementary file.

Version 20

Mon, 26 Jun 2023 10:05:21 +0200

Data has been deprecated in favor of splitting up the dataset into several smaller ones based on TID of individual points.

Version 19

Tue, 13 Jun 2023 10:21:30 +0200

Downloaded latest data from CHS on 2023-06-12, converted to 3996 and decimal coordinates, and masked all previously removed points (122000). Created a supplementary file of all previous masks and the unedited download file. Updated preprocess script and metadata; filename, filesize, originator, provider, srs, url.

Version 18

Mon, 20 Feb 2023 18:15:09 +0100

Updated status and processing_status by Caroline (2022-10-10), some modifications were done by Silvia

Version 17

Tue, 03 May 2022 07:55:34 +0200

Updated provider and cid = 70 to match statistics metadata

Version 16

Tue, 03 May 2022 07:55:34 +0200

Cleaning of additional outliers, in Caris

Version 15

Sat, 23 Apr 2022 03:47:39 +0200

Rough cleaning of outliers in Caris BASE editor at 100 times over aggeration

Version 14

Fri, 07 Oct 2022 16:40:40 +0200

Converted to xyz, projected to epsg:3996, applied previous edit by Carlos et al.

Version 13

Tue, 04 Oct 2022 12:25:25 +0200

Downloaded from https://data.chs-shc.ca/

Version 12

Thu, 28 Apr 2022 12:47:40 +0200

Synced to gridding metadata

Version 11

Thu, 28 Apr 2022 12:47:40 +0200

Updated cid (Seabed TID)

Version 10

Thu, 28 Apr 2022 12:47:40 +0200

Solves issues #131, #157_new, #195, #199, #211, #219, #220, #224, #225, #226, #230, #239

Version 9

Thu, 28 Apr 2022 12:45:42 +0200

Data file missing

Version 8

Thu, 28 Apr 2022 16:26:35 +0200

Solves issues #200, #201, and #214

Version 7

Thu, 28 Apr 2022 16:26:35 +0200

CHS data that interfered with GMRT in tile 3 was removed.

Version 6

Thu, 28 Apr 2022 16:26:34 +0200

Version history missing

Version 5

Thu, 28 Apr 2022 16:26:34 +0200

The data was cleaned with particular emphasis on tile 5

Version 4

Thu, 28 Apr 2022 16:26:34 +0200

First round of cleaning.

Version 3

Fri, 07 Oct 2022 16:40:40 +0200

Version history missing

Version 2

Thu, 28 Apr 2022 16:24:11 +0200

Data reprojected to epsg 3996

Version 1

Wed, 28 Apr 2021 14:23:45 +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.