Steffen Fritz International Institute for Applied Systems Analysis.
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Transcript of Steffen Fritz International Institute for Applied Systems Analysis.
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Steffen FritzInternational Institute for Applied Systems Analysis
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Expert Meeting: Crowdsource Mapping
for Preparedness and Emergency Reponse
Ignite Session I:
“The use of crowdsourcing for land
cover and drought mapping ”
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Ignite Session 1:“MAPPING”
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http://Geo-Wiki.org
• Geo-wiki makes GEO data easy to visualize and analyze.
• Volunteers from around the globe can classify Google Earth imagery, input their agreement/ disagreement with the existing data
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www.geo-wiki.org
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Collected more than 100 000 Validation points
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`
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Land Acquisition
Area
+Clear Evidence of Settlements (from Geo-Wiki
Hackathon)
=Areas
of Conflict
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Better land cover maps
Better estimates of biomass
Better cropland maps
Better wilderness maps
Better model inputs
and more….
+
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Geo-Wiki mobile – new technologies...
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APP: Menue
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APP: Soil Moisture
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Take a Picture
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ISPRS Special Issue on: Collaborative Mapping
- Thematic and geometric accuracy of collaborative mapping (i.e. quality of the information) - Development of indicators of robustness of / confidence in the VGI- Authoritativeness of collaborative map products, i.e. ideas on how to bring collaborative map products to a -- level of authority that is not disputed - Data harmonization - Collaborative mapping and the role of mapping institutions - Spatial cognition in collaborative mapping - Cost effectiveness and cost benefits of collaborative mapping - The use of collaborative mapping in the areas of biodiversity, land use science, climate change, emergency response, and other relevant applied fields
Guest EditorsDr. Linda SeeDr. Steffen FritzDr. Jan de Leeuw
http://www.mdpi.com/journal/ijgi/special_issues/collaborative-mapping
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Participation in a COST Action
• TD1202: Mapping and the Citizen Sensor• Started 28/11/2012 – 4 year action• We are co-leading Working Group 1 on Acquiring and
Managing VGI• Three other WGs that may be of interest:
– WG2: Understanding and influencing contributors– WG3: Map production– WG4: Map validation activities
• Email us if you want to participate ([email protected]) or find out more here:
http://www.cost.eu/domains_actions/ict/Actions/TD1202