Free Country GIS Sources
State sites | Key data | General free data |
Country | Data sites | Nationals Datums and Conversion to EGM | ||
Afghanistan | 1:250K geologic maps: http://pubs.usgs.gov/of/afghan/ | |||
Arctic/Antarctica |
Antarctic:
Gazetteers:
http://data.aad.gov.au/aadc/gaz/scar/ (registration required; may
have duplicate entries) |
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Austria |
http://data.opendataportal.at/dataset |
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Australia: | http://www.ga.gov.au/ Bathymetry: http://www.ga.gov.au/scientific-topics/marine/bathymetry# Fire recovery lidar and related data sets: https://www.airborneresearch.org.au/ https://data.gov.au/ http://www.ga.gov.au/scientific-topics/national-location-information/digital-elevation-data Bathy: https://elevation.fsdf.org.au/ Lidar at https://elevation.fsdf.org.au/ |
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Botswana | Geoscience portal: http://geoscienceportal.geosoft.com/Botswana/search? | |||
Brazil | The Sustainable Landscapes project here in Brazil made some LiDAR datasets (very small in area) available: https://www.paisagenslidar.cnptia.embrapa.br/webgis/ | |||
Canada: |
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China | Depth to bedrock: http://globalchange.bnu.edu.cn/research/cdtb.jsp | |||
Denmark | Lidar: http://download.kortforsyningen.dk/ . You will have to set up an account. May have to use ftp download from ftp.kortforsyningen.dk, which might have to be from an internet connection that has "reasonable" (not IT paranoid) security settings. | |||
Estonia | Lidar: multi years, leaf on, leaf off: http://inspire.maaamet.ee/ | |||
Finland |
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France |
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Gabon | Forest Atlas: http://gab-data.forest-atlas.org/ | |||
Germany |
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Greenland | ||||
Haiti | Haiti earthquake, from RIT, with LAS point clouds, DSMs, and DTMs http://waspftp.cis.rit.edu/ | |||
Ireland |
Dublin lidar, 300 points per square meter,
https://geo.nyu.edu/catalog/nyu_2451_38684 Lidar grids: https://data.gov.ie/dataset/open-topographic-lidar-data |
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Iceland | ||||
Indonesia |
8 m DEM:
http://tides.big.go.id/DEMNAS/login.php
topo and bathy http://tides.big.go.id/DEMNAS/ |
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Italy: |
http://www.pcn.minambiente.it/GN/index.php?lan=en English option,
but lidar not available for free download (2/2019) https://tinitaly.pi.ingv.it/ 10 m DEM https://siat.provincia.tn.it/stem/ Trento province: Pick a small area, download the layers you want, then in the third box use the blue link icon to download to your hard disk. Issues with metadata (probably UTM zone 32) archaeological-lidar-in-italy-enhancing-research-with-publicly-accessible-data |
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Latvia | Free nationwide lidar: https://www.lgia.gov.lv/lv/Digit%C4%81lais%20virsmas%20modelis | |||
Luxembourg |
https://data.public.lu/en/datasets/bd-l-mnt5/ https://data.public.lu/en/datasets/lidar-2019-releve-3d-du-territoire-luxembourgeois/ |
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Mexico |
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https://www.isgeoid.polimi.it/Geoid/America/Mexico/mexico10_g.html
has a text file which probably can be converted to a grid of 2.5 minute
resolution referenced to the GRS80 ellipsoid, which is very close to
WGS84 https://dataservices.gfz-potsdam.de/isg/showshort.php?id=49d6f9ea-387a-11eb-9603-497c92695674 |
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Morocco |
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Netherlands |
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New Zealand |
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https://www.linz.govt.nz/data/geodetic-system/datums-projections-and-heights/vertical-datums/new-zealand-quasigeoid-2016-nzgeoid2016
Vertical datum, about a dozen subgrids with shift: https://www.linz.govt.nz/data/geodetic-system/datums-projections-and-heights/vertical-datums/vertical-datum-relationship-grids Online converter (does not do EGM): https://www.geodesy.linz.govt.nz/concord/ |
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Norway |
Lidar:
https://hoydedata.no/ (Switch to English with button on the upper right, next to Log in).
You can view the point clouds in POTREE online. To download use
the pop out on the left side of the map. Topo maps, MrSid: https://kartverket.no/Kart/Hele-Norge-rett-i-lomma/ |
Uses NN2000 geoid model. https://www.agisoft.com/downloads/geoids/ has a Geotiff | ||
Philippines | ||||
Poland | ||||
Polar | http://nsidc.org/data/dems/index.html (Greenland and Antarctica) | |||
Saudi Arabia | http://geoportal.sa/GCS/WebPages/Map/FundyViewer.aspx?THEME=Sapphire will do English; could not figure out how to download any data | |||
Slovakia | https://zbgis.skgeodesy.sk/mkzbgis/en/teren?bm=dmr&z=8&c=19.530000,48.800000# 2 square km size limit, and frustrating interface | |||
Slovenia |
Lildar: http://gis.arso.gov.si/evode/profile.aspx?id=atlas_voda_Lidar@Arso You want the LAZ files, and the GKOT variant which will have tiles starting the TM (the OTR variant, with TMR file names, have only ground points; these have very nice classification) D96TM now have Geoid Koiper reference. They will be EPSG 3794, and you want UTM zone
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https://www.e-prostor.gov.si/zbirke-prostorskih-podatkov/drzavni-prostorski-koordinatni-sistem/vertikalna-sestavina/visinska-referencna-ploskev-geoid/ has the vertical datum transformations | ||
Spain |
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EGM2008-REDNAP http://www.geoinstitutos.com/noticias/Espa%C3%B1a/287/publicado-el-nuevo-modelo-de-geoide-para-espana-egm08-rednap UGF files at https://support.oxts.com/hc/en-us/articles/115005711989-Custom-geoid-files but I don't know how to use them The calculation of the undulation of the geoid is carried out using the EGM2008 - REDNAP model. This model is an adaptation of the EGM2008 world geoid model from the National Geospatial Intelligence Agency to the vertical reference system in Spain ( REDNAP ). For the transformation of altimetric data according to INSPIRE specifications, the undulation is also calculated in the European Vertical Reference System (EVRS), which differs by an average of 49 cm from the Alicante datum, official in Spain. The grid of the EGM2008-REDNAP model has limits of 35º to 44º of latitude and of 9º 30 'W to 4º 30' E in longitude in the case of Peninsula, Balearic Islands, Ceuta and Melilla. In the case of the Canary Islands, the limit of the grid is from 27º 30 'to 29º 30' of latitude N and from 18º 30 'to 13º of longitude W. Both grids are available from the PAG with a regular 1 'x 1' mesh pitch in ASCII format, in the same format as the NGIA. They can also be obtained from the FTP server of the Geodesy Area in many other formats usable by the main software. If the given point is outside the bounds of the grid, the undulation of the geoid will not be calculated.
ftp.geodesia.ign.es/ Use IE, mabye not at work if they keep you too safe. Get the TIF files in the geoide/GTG directory. |
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Sweden | Sweden "Laser Forest Data, 1-2 points/m^2", https://www.lantmateriet.se/en/maps-and-geographic-information/oppna-data/hamta-oppna-geodata/ , horizontal SWERED99 TM (EPSG 3006) and elevations RH2000 height (EPSG code 5613) | |||
Switzerland |
National lidar: https://www.swisstopo.admin.ch/de/geodata/height/surface3d.html
Zurich canton lidar |
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Uruguay |
https://www.gub.uy/infraestructura-datos-espaciales/geoservicios-ideuy (spanish only!) In the site (which is awful!) there are some raw data/geoservices for:
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UK |
Scotland:
Wales:
http://lle.gov.wales/Catalogue/Item/LidarCompositeDataset/?lang=en |
https://www.ordnancesurvey.co.uk/documents/resources/updated-transformations-uk-ireland-geoid-model.pdf | ||
Viet Nam | http://www.lib.utexas.edu/maps/topo/vietnam/ GeoPDFs of 1:50K AMS sheets |
Last revision 8/19/2021