qdgc Mauritius
QDGC tables delivered in geopackage file QDGC represents a way of making (almost) equal area squares covering a specific area to represent specific qualities of the area covered. The squares themselves are based on the degree squares covering earth. Around the equator we have 360 longitudinal lines...
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ftzenodo:oai:zenodo.org:6036658 2023-05-15T18:23:03+02:00 qdgc Mauritius Ragnvald Larsen 2022-02-10 https://zenodo.org/record/6036658 https://doi.org/10.5281/zenodo.6036658 unknown doi:10.5281/zenodo.6036657 https://zenodo.org/communities/qdgc https://zenodo.org/record/6036658 https://doi.org/10.5281/zenodo.6036658 oai:zenodo.org:6036658 info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by/4.0/legalcode Mauritius qdgc geopackage geocode Africa info:eu-repo/semantics/other dataset 2022 ftzenodo https://doi.org/10.5281/zenodo.603665810.5281/zenodo.6036657 2023-03-10T22:02:46Z QDGC tables delivered in geopackage file QDGC represents a way of making (almost) equal area squares covering a specific area to represent specific qualities of the area covered. The squares themselves are based on the degree squares covering earth. Around the equator we have 360 longitudinal lines , and from the north to the south pole we have 180 latitudinal lines. Together this gives us 64800 segments or tiles covering earth. Within each geopackage file you will find a number of tables with these names: -tbl_qdgc_01 -tbl_qdgc_02 -tbl_qdgc_03 -tbl_qdgc_04 -tbl_qdgc_05 -etc The attributes for each table are: qdgc Unique Quarter Degree Grid Cell reference string area_reference Country level_qdgc QDGC level cellsize degrees decimal degree for the longitudal and latitudal length of the cell lon_center Longitude center of the cell lat_center Latitudal center of the cell area_km2 Calculated area for the cell geom Geometry Metadata Geodata GCS_WGS_1984 Datum: D_WGS_1984 Prime Meridian: 0 Areas are calculated with different versions of Albers Equal Area Conic using the PostGIS function st_area. For the African continent I have used Africa Albers Equal Area Conic which will look like this: - st_area(st_transform(geom, 102022))/1000000) Licensing Creative Commons Attribution 4.0 International Conditions Delivered to the user as-is. No guarantees. If you find errors, please tell me and I will try to fix it. Suggestions for improvements can be addressed to the github repository: https://github.com/ragnvald/qdgc Thank you The work has over the years been supported and received advice and moral support from many organisations and stakeholders. Here are some of them: - Tanzania Wildlife Research Institute - Dept of Biology, NTNU, Norway - Norwegian Environment Agency - Eivin Røskaft, Steven Prager, Howard Frederick, Julian Blanc, Honori Maliti, Paul Ramsey References --- * http://en.wikipedia.org/wiki/QDGC * http://www.mindland.com/wp/projects/quarter-degree-grid-cells/about-qdgc/ * ... Dataset South pole Zenodo Norway South Pole |
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Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
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Mauritius qdgc geopackage geocode Africa |
spellingShingle |
Mauritius qdgc geopackage geocode Africa Ragnvald Larsen qdgc Mauritius |
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Mauritius qdgc geopackage geocode Africa |
description |
QDGC tables delivered in geopackage file QDGC represents a way of making (almost) equal area squares covering a specific area to represent specific qualities of the area covered. The squares themselves are based on the degree squares covering earth. Around the equator we have 360 longitudinal lines , and from the north to the south pole we have 180 latitudinal lines. Together this gives us 64800 segments or tiles covering earth. Within each geopackage file you will find a number of tables with these names: -tbl_qdgc_01 -tbl_qdgc_02 -tbl_qdgc_03 -tbl_qdgc_04 -tbl_qdgc_05 -etc The attributes for each table are: qdgc Unique Quarter Degree Grid Cell reference string area_reference Country level_qdgc QDGC level cellsize degrees decimal degree for the longitudal and latitudal length of the cell lon_center Longitude center of the cell lat_center Latitudal center of the cell area_km2 Calculated area for the cell geom Geometry Metadata Geodata GCS_WGS_1984 Datum: D_WGS_1984 Prime Meridian: 0 Areas are calculated with different versions of Albers Equal Area Conic using the PostGIS function st_area. For the African continent I have used Africa Albers Equal Area Conic which will look like this: - st_area(st_transform(geom, 102022))/1000000) Licensing Creative Commons Attribution 4.0 International Conditions Delivered to the user as-is. No guarantees. If you find errors, please tell me and I will try to fix it. Suggestions for improvements can be addressed to the github repository: https://github.com/ragnvald/qdgc Thank you The work has over the years been supported and received advice and moral support from many organisations and stakeholders. Here are some of them: - Tanzania Wildlife Research Institute - Dept of Biology, NTNU, Norway - Norwegian Environment Agency - Eivin Røskaft, Steven Prager, Howard Frederick, Julian Blanc, Honori Maliti, Paul Ramsey References --- * http://en.wikipedia.org/wiki/QDGC * http://www.mindland.com/wp/projects/quarter-degree-grid-cells/about-qdgc/ * ... |
format |
Dataset |
author |
Ragnvald Larsen |
author_facet |
Ragnvald Larsen |
author_sort |
Ragnvald Larsen |
title |
qdgc Mauritius |
title_short |
qdgc Mauritius |
title_full |
qdgc Mauritius |
title_fullStr |
qdgc Mauritius |
title_full_unstemmed |
qdgc Mauritius |
title_sort |
qdgc mauritius |
publishDate |
2022 |
url |
https://zenodo.org/record/6036658 https://doi.org/10.5281/zenodo.6036658 |
geographic |
Norway South Pole |
geographic_facet |
Norway South Pole |
genre |
South pole |
genre_facet |
South pole |
op_relation |
doi:10.5281/zenodo.6036657 https://zenodo.org/communities/qdgc https://zenodo.org/record/6036658 https://doi.org/10.5281/zenodo.6036658 oai:zenodo.org:6036658 |
op_rights |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by/4.0/legalcode |
op_doi |
https://doi.org/10.5281/zenodo.603665810.5281/zenodo.6036657 |
_version_ |
1766202481071620096 |