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OSM and GIS resources that I like.

deck.gl gallary: https://deck.gl/gallery/

OpenStreetMap Metrics and Visualization

(visualizing changesets in the last 7 days) http://resultmaps.neis-one.org/osm-changesets?comment=hms_gw#12/-17.8389/31.0759 http://neis-one.org/

(looking at history and changesets of features) On OpenStreetMap.org use the query button to view node history and changesets. This can be useful in telling what source was used during tracing.

live edits

http://osmlab.github.io/show-me-the-way/

Show me the Way

http://live.openstreetmap.fr/

OSM Analytics

ITO World Maps

OpenStreetMap Stats

Validation

OpenStreetMap Improve

http://improveosm.org

iOSMAnalyzer

Map Roulette

OSM BattleGrid

Routing

Using osm2pgrouting https://www.hotosm.org/updates/using-open-source-tools-to-solve-routing-issues-for-solid-waste-collection-in-dar-es-salaam/ This was an interesting concept, used to improve OSM data in the US from the Tiger import What if we introduced a similiar concept but using high-res imagery to suggest areas to fix?

OSM Who's Around Me?

It would be nice if it was calculated by nodes instead of changesets, and if it could have an option to go back further than 6 months

How did you contribute to OpenStreetMap?

Provides user stats

MapCompare: view two basemaps at once

50NorthSpatial (GIS Blog from Ukraine)

http://www.50northspatial.org

http://overpass-turbo.eu/

query: IDP camps in Kathmandu (http://overpass-turbo.eu/s/9bw)

/* idp camps kathmandu */ [out:xml][timeout:120]; way"idp:""spontaneous_camp"; // print results out meta;

; out meta;

query: Severely damaged Areas

http://overpass-turbo.eu/s/afO

/* Severely damaged areas kathmandu */ [out:xml][timeout:120]; waylanduse="brownfield"; // print results out meta;

; out meta;

Overpass turbo query by date

https://gist.github.com/aawiseman/ec55286c86d4612bc393

Information on OSM tags: https://taginfo.openstreetmap.org/

OpenStreetMap Analyzing Imagery

now built into iD editor (use 'Ctrl+Shift+B' shortcut to bring up panel)(openstreetmap/iD#2492)

These previous services are down:

Bing Imagery Analyzer (Let's you browse dates of Bing Imagery) http://mvexel.dev.openstreetmap.org/bing/

Ant Bing Imagery Analyzer (Let's you see which areas have high-res Imagery) http://ant.dev.openstreetmap.org/bingimageanalyzer/

OpenStreetMap Extracting Data

resources how to export OpenStreetMap data

Mapzen Metro Extracts (City-sized parts of the OpenStreetMap database, served up weekly.) https://mapzen.com/metro-extracts/ https://mapzen.com/blog/metro-extracts-101

GeoFabrik (OSM extractions) http://www.geofabrik.de/

Downloading OSM coastlines and generalized data: http://openstreetmapdata.com/

HOT export tool

QGIS

ERSI ARCGIS OSM toolbar

OpenStreetMap Training

Blake Girardot's JOSM training video https://www.youtube.com/watch?v=GOfTJ3QDQB4&feature=youtu.be

Jim McAndrew's Leaflet tutorial http://loc8.us/maptime2015/#/

OSM Routing:

OSM Routing

https://github.com/Project-OSRM/osrm-backend

Mapnificent shows you the area you can reach with public transport from any point in a given time.

http://www.mapnificent.net/washington/

OSM cyling:

Route planning: http://cycle.travel/map http://www.opencyclemap.org/

Vector Tiles

Mapzen Vector Tile Services https://github.com/mapzen/vector-datasource/wiki/Mapzen-Vector-Tile-Service

http://mike.teczno.com/notes/gl-solar-webgl-openstreetmap.html

http://www.mkgeomatics.com/wordpress/?p=389

http://mike.teczno.com/notes/postgreslessness-mapnik-vectiles.html

https://www.mapbox.com/mapbox-gl/ https://www.mapbox.com/mapbox-gl-style-spec/

Creation of VectorTiles: tilelive, tessera, mapbox studio

Understanding Vector Tiles

generating vector tiles live from PostGIS: chubbs: https://github.com/spatialdev/PGRestAPI

displaying vector tiles in leaflet: https://github.com/SpatialServer/Leaflet.MapboxVectorTile

Mapbox vector tiles implementations: https://github.com/mapbox/vector-tile-spec/wiki/Implementations

OSM 2 vector tiles: https://github.com/systemed/tilemaker

Styling vector tiles: -Mapbox Studio -what else?

Good question on self-hosting vector tiles: http://gis.stackexchange.com/questions/125037/self-hosting-mapbox-vector-tiles

hosting vector tiles: https://github.com/mapbox/tilelive.js

geospatial_app_feedback

suggestions and feedback for a variety of geospatial applications

Digital Globe EVWHS

-Being able to download the shapefile of the imagery tile boundaries and extent before having to upload the whole strip to my library and download it. (fixed!!) -Being able to view and download imagery with false-color bands.
-Being able to upload or draw my own bounding box and search of imagery that is within it

-add measurement tool

geojson.io

-be able to drag and drop files to upload -be able to upload multiple files in a batch

HOT Tasking Manager

ID Editor

-draw complex polygons

UMap

-add measurement tool

CartoDB

OpenStreetMap.org

-needs smart search (look into http://wiki.openstreetmap.org/wiki/Nominatim and TagInfo)

Satellite Imagery

Machine Learning and Imagery

SpaceNet is a corpus of commercial satellite imagery and labeled training data being made available at no cost to the public

What I want to read related to GIS

Theoretical geography, William Bunge 1928- 1966 Available at George Mason University Fenwick Stacks (G70.B8 T5 )

-good summary by Goodchild (http://www.geog.ucsb.edu/~good/papers/450.pdf)

https://www.techchange.org/online-courses/mhealth-mobile-phones-for-public-health/

https://www.techchange.org/online-courses/mobiles-for-international-development/

More on geospatial data standards for features and attribution

-DGIWG -OpenStreetMap -WorldWide Geography Working group

Compare OSMIUM and OSMOSIS

osm4j is a Java library for working with OpenStreetMap data.

http://jaryard.com/projects/osm4j/

Conflation

-HOOTENANNY: WEB ENABELED GEOSPATIAL VECTOR-DATA CONFLATION AND MAP GENERATION

Cygnus

QGIS

Programmer's Guide http://pyqgis.org/book/contents/

OpenTripPlanner: http://www.opentripplanner.org

What I'm looking for

A smarter geospatial search that what is on OpenStreetMap.org

-how can I search for objects in a place, or within the user's view? Ex. 'indoor pools in Washington D.C'

NGA stuff:
Map of The World:

-http://trajectorymagazine.com/got-geoint/item/1647-nga-launches-map-of-the-world.html -https://www1.nga.mil/MediaRoom/LeadingStories/Pages/WashingtonMapSociety.aspx -http://www.afcea.org/content/?q=node/13903 -http://www.nextgov.com/cloud-computing/2014/12/first-intelligence-agency-host-app-amazons-c2s-cloud/100851/

NYC Historical Maps: http://spacetime.nypl.org/

NYPL Map Warper: http://dev.maps.nypl.org/warper/ http://mapwarper.net/

Transportation Mobile App

got ideas from reading: Crowdsourcing and Its Application to Transportation Data Collection and Management Aditi Misra, Aaron Gooze, Kari Watkins, Mariam Asad, and Christopher A. Le Dantec

Look into Tirimisu Transit app (http://www.tiramisutransit.com/t/livemap) and OneBusAway (http://onebusaway.org/) app and see if a app that employs similiar ideas could work for DC

NextBus

Mobile city Fix-it apps

http://www.codeforamerica.org/blog/2011/02/23/boston-citizens-connected/ http://www.citysdk.eu/citysdk-challenge-build-best-cross-city-smart-participation-app-win-3000-euros/ http://www.chicagoworksapp.com/ http://www.open311.org/ https://github.com/codeforamerica/open311dashboard

actually, OneBusAway is already open to partnering with Tirimisu and a beta has already been launched in Washington D.C. https://github.com/OneBusAway/onebusaway/wiki/OneBusAway-Deployments http://mobilitylab.org/2013/10/25/onebusaway-demo-app-offers-best-transit-info-yet-for-dc-users/

GIS on Mobiles:

http://mousebird.github.io/WhirlyGlobe/

Offline Mapping Apps

OSM Mobile Apps:

Maps.me

OsmAnd

Other GIS things

I'm trying to remember an online mapping app. You could upload maps and georeference them online. There was also a time component to it as well. I think it was part of a thesis or dissertation. It is not OldMaps Online, Map Warp, or MetaCarta's MapRectifier.

Digital Gazatteer

https://thinkwhere.wordpress.com/2015/01/19/a-digital-gazetteer-of-places-for-the-library-of-congress-and-the-nypl/

Geo-Visualization

http://www.imagico.de/

TimeMapper

http://timemapper.okfnlabs.org/

Surveys

Field Papers

OpenMapKit

Survey123

Peace Corps Community Training Slides

ODK

First Mile Geo https://www.firstmilegeo.com/

Open data

OpenAddresses https://openaddresses.io/

OpenTraffic http://opentraffic.io/

OpenTripPlanner http://www.opentripplanner.org/

National Geospatial Advisory Committee, National Address Database: http://www.fgdc.gov/ngac/meetings/december-2012/NGAC%20National%20Address%20Database%20Paper.pdf

GFTS: http://blog.openplans.org/2012/08/the-openplans-guide-to-gtfs-data/

Open data Platforms

Koordinates https://koordinates.com

GPS

http://gracegao.ae.illinois.edu/publications.html

Social Media: Geo-locating messages

Samuel Lee Toepke, R. Scott Starsman Population Distribution Estimation of an Urban Area Using Crowd Sourced Data for Disaster Response http://iscram2015.uia.no/?p=1978

Penn State http://www.geovista.psu.edu/

SMART HDMS @SDSU http://vision.sdsu.edu/hdma/smart

OSM Scholarly Articles

Recent Developments and Future Trends in Volunteered Geographic Information Research: The Case of OpenStreetMap Pascal Neis 1,* and Dennis Zielstra 2

Assessing the Completeness of Bicycle Trail and Lane Features in OpenStreetMap for the United States Hartwig H. Hochmair1*, Dennis Zielstra1 , Pascal Neis2

Assessing the Effect of Data Imports on the Completeness of OpenStreetMap – A United States Case Study Dennis Zielstra,* Hartwig H. Hochmair* and Pascal Neis†

The Street Network Evolution of Crowdsourced Maps: OpenStreetMap in Germany 2007–2011 Pascal Neis 1,*, Dennis Zielstra 2 and Alexander Zipf 1

Accessing the history of objects in OpenStreetMap https://scholar.google.com/citations?view_op=view_citation&hl=en&user=wVs_9twAAAAJ&citation_for_view=wVs_9twAAAAJ:Y0pCki6q_DkC Peter Mooney, Padraig Corcoran

The Annotation Process in OpenStreetMap http://onlinelibrary.wiley.com/doi/10.1111/j.1467-9671.2012.01306.x/abstract Peter Mooney, Padraig Corcoran

Map Stories

Geo-report: https://github.com/crowdcover/geo-report

ESRI Story Maps: http://storymaps.arcgis.com/en/

examples:

Rohingya Story from UNHCR: https://unhcr.maps.arcgis.com/apps/Cascade/index.html?appid=5fdca0f47f1a46498002f39894fcd26f

Odessey.js: http://blog.cartodb.com/odyssey-js-new-open-source-tool-to-weave-interactive/

USGIF Publishes GEOINT Essential Body of Knowledge

http://usgif.org/news/630-usgif-publishes-geoint-essential-body-of-knowledge

geospatial games

##Drones

Big Data

Read up on Apache Spark

Platforms

DHIS2

OSM data quality

good exerpts from "Updating digital elevation models via change detection and fusion of human and remote sensor data in urban environments" p.156

Quality of OSM mainly depends on the contributer, both on their accuracy and their experience. In general, the more mappers that are active in an areas the better the quality is supposed to be. Moreover some analysis resulted in higher coverage of data in urban areas. However, it was showed that further factors such as income can also influence the results. Therefore, it is not possible to make a universal statemetn about data covergage regarding urban or rural areas. Furthermore a study had a closer look at the spatio-temporal develpment of OSM contributions. For the specific situation of the city of Heidelberg, their prediction using cellular automata revealed thap-win-3000-ep-win-3000-ep-win-3000-ep-win-3000-ep-win-3000-ep-win-3000-ep-win-3000-ep-win-3000-ep-win-3000-ep-win-3000-ep-win-3000-ep-win-3000-ep-win-3000-ep-win-3000-ep-win-3000-ep-win-3000-ep-win-3000-ep-win-3000-ep-win-3000-ep-win-3000-ep-win-3000-ep-win-3000-ep-win-3000-ep-win-3000-ep-win-3000-et the density of contributions is linked to a certain land use type.

matching gps trajectories to street segments

OSM data fustion

OSM and Lidar

"Updating digital elevation models via change detection and fusion of human and remote sensor data in urban environments"

create.io

good for finding land parcels and information on a map

Collaborative GIS

GeoCollaborate

Education

ZOMBIE-BASED GEOGRAPHY

Natural Earth

Natural Earth is a public domain map dataset available at 1:10m, 1:50m, and 1:110 million scales. Featuring tightly integrated vector and raster data

Admin Areas

GDAM: database of Global Adminstrative Areas

Good Articles

GeoSpatial: An Open Source Microcosm by Paul Ramsey

THE CHANGING GEOSPATIAL LANDSCAPE A Second Look

A Report of the National Geospatial Advisory Committee, December 2015

Flood Mapping

MapBox Flood Map

Remote Sensing & Satellite Imagery

Google Earth Engine

HighRes DEM

Radiance and Relectance

Ways to support mappers in other countries

Flood Modeling & Hydrography

OpenSource tools to calculate Watersheds

Crayfish QGIS plugin:

The Crayfish plugin aspires to be a complete set of pre- and post-processing tools for hydraulic modellers using TUFLOW, BASEMENT, ISIS 2D, Hydro_AS 2D, AnuGA and other modelling packages.

Other Crowdsourcing platforms

crowdsourcing observations in nature

High-res change detection?

what is out ther

CNS Project on Crowdsourced Imagery Analysis

OpenStreetMap as Infrastructure: Mikel Maron (SOTMUS 2014)

https://www.youtube.com/watch?v=ztXQiy0iStI#t=17.500689

Mapillary

Mapillary Guide in OSM from MapBox: https://www.mapbox.com/blog/get-started-mapillary/

For Printing Maps: http://maperitive.net/

Education

MapSchool.io

http://mapschool.io/

Tool for Sharing and Finding Maps

Story Maps

https://github.com/JackDougherty/leaflet-storymap

GeoNode

Hypermap

hh.worldmap.harvard.edu

hypersearch.cga.terranodo.io

http://drm.moha.gov.np/ (nepal geonode)

http://geonode.geocenter.io/

Other Crowd Sourcing Platforms

http://www.globalxplorer.org/

https://www.tomnod.com/

URISA

URISA is the founding member of the GIS Certification Institute (https://www.gisci.org/) and GIS Corps http://www.urisa.org/

Crowdsourcing and Citizen Science Bill

https://www.congress.gov/bill/114th-congress/senate-bill/3084/text#toc-idc675e4e0-f615-4d4a-8ad5-b9cc94092dde

State of Satellites

http://landscape.satsummit.io/

Tufts Student GIS Expo Explorer

http://streams-dev.it.tufts.edu/#/dashboard

GDAL and links:

https://medium.com/planet-stories/a-gentle-introduction-to-gdal-part-1-a3253eb96082

MIT Senseable Lab

http://senseable.mit.edu/

Zee Maps

mapping lists https://www.zeemaps.com/

OSM Newsletter

https://osmnewsletter.org/

OSM Imports

https://wiki.openstreetmap.org/wiki/Microsoft_Building_Footprint_Data

FB imports

https://lists.openstreetmap.org/pipermail/imports/2017-March/004840.html https://wiki.openstreetmap.org/wiki/AI-Assisted_Road_Tracing

OpenGeoPortal

http://data.opengeoportal.org/ They also use SOLR and spatial search

Displaying other projections in MapBox GL

https://developmentseed.org/blog/2016/12/15/dirty-reprojectors/

ogr2ogr: convert data between GeoJSON, PostGIS, and Esri Shapefile

https://morphocode.com/using-ogr2ogr-convert-data-formats-geojson-postgis-esri-geodatabase-shapefiles/

Global Urban Footprint

https://www.technologyreview.com/s/608156/global-urban-footprint-revealed-in-unprecedented-resolution/

OSM Philly Food Map

Case Study publication (Sterling Quinn) http://www.tandfonline.com.mutex.gmu.edu/doi/abs/10.1080/00330124.2015.1065547 https://www.geovista.psu.edu/phillyfood/

LandCover: CORINE Land Cover

http://land.copernicus.eu/pan-european/corine-land-cover

Participatory GIS Training Kit

http://pgis-tk-en.cta.int/videos/index.html

Participatory Three-dimensional Modelling PDF

http://www.iapad.org/wp-content/uploads/2015/07/p3dm_english_web.pdf

Rasterfoundry

Raster Foundry is an earth observation analysis tool to find, combine and analyze earth imagery at any scale, and share it on the web. https://www.rasterfoundry.com/

Azavea

We have been stretching the possibilities of geospatial technology to enable our clients to answer complex questions in a wide range of domains: urban ecosystems, water, infrastructure planning, economic development, public transit, elections, public safety, energy, and cultural resources management, to name a few. https://www.azavea.com/work/

OpenLocate

collecting location data on mobile

https://blog.insightdatascience.com/deep-learning-for-disaster-recovery-45c8cd174d7a

How to commit to OSM-Carto

http://www.openstreetmap.org/user/SomeoneElse/diary/43041

You can find a geo bounding box easy with this boundng box tool:

https://boundingbox.klokantech.com/

How to Serve Vector Map Tiles Locally with Tegola

https://docs.google.com/presentation/d/1UvoS-R8UBLcKB3CFNBgCw5Gi0EBLAeknGIvzbZ04GQ0/edit#slide=id.g372f61354a_0_10

Kepler.gl

https://uber.github.io/kepler.gl/#/ http://vis.academy/#/

Geospatial Database and algorithm considerations

PostgreSQL vs Pandas

https://medium.com/carwow-product-engineering/sql-vs-pandas-how-to-balance-tasks-between-server-and-client-side-9e2f6c95677

database benchmarks

https://github.com/szilard/benchm-databases

A dive in spatial seach algorithms

https://blog.mapbox.com/a-dive-into-spatial-search-algorithms-ebd0c5e39d2a

Geospatial Operations at Scale with Dask and Geopandas

https://r-shekhar.github.io/posts/spatial-joins-geopandas-dask.html

node js rest API with Express Tutorial

https://medium.com/@jeffandersen/building-a-node-js-rest-api-with-express-46b0901f29b6

Examples of Good Stories or Interactive Products

uses hyperspace by pixelarity: https://pixelarity.com/hyperspace

printing maps

https://maposmatic.osm-baustelle.de/new/

validation: OSMCha

https://osmcha.mapbox.com/ -Osmose, KeepRight

Traveling Salesman problem

http://vroom-project.org/ https://www.optaplanner.org/

StoryTelling

https://www.nytimes.com/interactive/2014/07/03/world/middleeast/syria-iraq-isis-rogue-state-along-two-rivers.html http://dwtkns.com/portfolio/

visualizing OSM attribution with IDly

https://medium.com/@kepta/when-openstreetmap-met-mapbox-gl-idly-gl-c26ecfdad93c

**Idea what if there was a tag-based pivot table you could create online? (ex. compare road classifications to widths and see if there is any correlation)

Federating with CKAN

In order to expose datasets, GeoNode uses Catalog Service for the Web (CSW), ESRI ArcGIS Online uses DCAT (https://www.w3.org/TR/vocab-dcat/). GeoPlatform can harvest from both (https://doc.arcgis.com/en/hub/data/federating-with-ckan.htm).

Geosimulation is a catch-all phrase that can be used to represent a new wave of spatial simulation modeling that has come to the fore in very recent years.

Go Map!!

OSM editor for iOS https://apps.apple.com/us/app/go-map/id592990211

POSTGIS and vector tiles

https://sparkgeo.com/blog/vector-tile-server-using-postgis/

Dev Seed and Urchn (Machine learning and OSM)

https://medium.com/devseed/make-sense-of-urban-change-fabb9ff229d7

QGIS dev shops

  • Kartoza
  • opengis.ch
  • source pole

design tools

https://www.framer.com/development/

video animations

https://www.google.com/earth/studio/

OSM Express (OSMX)

Here are some use cases that OSM Express fits well.

  • You want an offline copy of OpenStreetMap, which can be updated every day, hour or minute from the main openstreetmap.org database, instead of redownloading the entire planet.
  • You want to quickly access all OSM objects in a geographical region, such as as neighborhood, city or small country. For this use, https://protomaps.com/extracts/
  • You want to quickly look up OSM objects by ID, such as getting the height and name tags for a given way that represents a building, and construct geometries for ways and relations.
  • You want to embed a database that does any of the above, such as in a web application that returns OSM objects as GeoJSON.

3D Technology

GeoSim

https://geosimcities.com/ https://www.crunchbase.com/organization/geosim

Vector Tiles and POSTGIS

https://info.crunchydata.com/blog/dynamic-vector-tiles-from-postgis

Identifying Gaps in OSM

https://towardsdatascience.com/identifying-gaps-in-openstreetmap-coverage-through-machine-learning-257545c04330

Good QGIS Python scripting course

https://courses.spatialthoughts.com/pyqgis-in-a-day.html#print-layouts

OSM Research

OpenStreetMap in GIScience

Experiences, Research, and Applications

https://www.google.com/books/edition/OpenStreetMap_in_GIScience/uHIKBwAAQBAJ?hl=en&gbpv=1&printsec=frontcover

Networks and Graphs

peartree

https://github.com/kuanb/peartree peartree is a library for converting GTFS feed schedules into a representative directed network graph. The tool uses Partridge to convert the target operator schedule data into Pandas dataframes and then NetworkX to hold the manipulated schedule data as a directed multigraph.

partridge

https://github.com/remix/partridge A fast, forgiving GTFS reader built on pandas DataFrames

Distributed Version Control

Sno https://sno.earth/

Geogig

CartONG Leaderboard

http://mapathon.cartong.org/

Quality

Lyft: Ground Truth Evaluation of OpenStreetMap Quality in North American Cities

https://drive.google.com/file/d/1Sb-dOUjeP1Ljqz4ra931D3Pe8B5C3pde/view

geoBoundaries 3.0

Admin boundaries for the world, by William and Mary https://www.wm.edu/as/data-science/researchlabs/geolab/get_data/geoboundaries/index.php

Road Planning

https://road-planning.devseed.com/

NightTime lights: World Bank

https://registry.opendata.aws/wb-light-every-night/ https://worldbank.github.io/OpenNightLights/tutorials/mod5_4_comparing_cities.html

WSF-Evolution

https://ui.adsabs.harvard.edu/abs/2018AGUFMIN44A..06M/abstract

Routing engines

https://github.com/conveyal/r5

ESRI 2020 Land Cover: https://www.arcgis.com/home/item.html?id=d6642f8a4f6d4685a24ae2dc0c73d4ac

scikit-mobility is a library for human mobility analysis in Python: https://github.com/scikit-mobility/scikit-mobility

Example story maps and news with maps:

Rohingya Refugee Emergency at a Glance: The influx to Bangladesh is one of the largest and fastest-growing refugee crises in decades https://unhcr.maps.arcgis.com/apps/Cascade/index.html?appid=5fdca0f47f1a46498002f39894fcd26f America is more diverse than ever — but still segregated: https://www.washingtonpost.com/graphics/2018/national/segregation-us-cities/ Mapping America’s wicked weather and deadly disasters: https://www.washingtonpost.com/graphics/2019/national/mapping-disasters/ BORDERLINE: Navigating the invisible boundary and physical barriers that define the U.S.-Mexico border https://www.washingtonpost.com/graphics/2018/national/us-mexico-border-flyover/ Good examples from the Washington Post here: https://www.washingtonpost.com/graphics/2018/ns/best-graphics/ -you can also click on the different Graphics reporters

OSM in Government

https://osm.gs.mil/

GIS rater aligning/co-registering/re-sampling

https://pygis.io/docs/e_raster_resample.html

Online GIS and Python courses

-PyGIS: https://github.com/mmann1123/pyGIS

open geospatial rasters as chunked Dask arrays

https://s2maps.eu/ Sentinel imagery service cloudless

https://disaster.ninja/ -population dataset to help humanitarian mappers

https://www.gdacs.org/ -GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve alerts, information exchange and coordination in the first phase after major sudden-onset disasters.

AI-mapping

https://geoalert.io/

World Atlas on Desertification

https://wad.jrc.ec.europa.eu/#about

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