The status of topographic mapping in the world a UNGGIM - ISPRS project 2012-2015

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Konecny, G.; Breitkopf, U.; Radtke, A.: The status of topographic mapping in the world a UNGGIM - ISPRS project 2012-2015. In: International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives 41 (2016), S. 737-741. DOI:

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Sum total of downloads: 194

In December 2011, UNGGIM initiated a cooperative project with ISPRS to resume the former UN Secretariat studies on the status of topographic mapping in the world, conducted between 1968 and 1986. After the design of a questionnaire with 27 questions, the UNGGIM Secretariat sent the questionnaires to the UN member states. 115 replies were received from the 193 member states and regions thereof. Regarding the global data coverage and age, the UN questionnaire survey was supplemented by data from the Eastview database. For each of the 27 questions, an interactive viewer was programmed permitting the analysis of the results. The authoritative data coverage at the various scale ranges has greatly increased between 1986 and 2012. Now, a 30% 1:25 000 map data coverage and a 75% 1:50 000 map data coverage has been completed. Nevertheless, there is still an updating problem, as data for some countries is 10 to 30 years old. Private Industry, with Google, Microsoft and Navigation system providers, have undertaken huge efforts to supplement authoritative mapping. For critical areas on the globe, MGCP committed to military mapping at 1:50 000. ISPRS has decided to make such surveys a sustainable issue by establishing a working group.
License of this version: CC BY 3.0 Unported
Document Type: article
Publishing status: publishedVersion
Issue Date: 2016
Appears in Collections:Fakultät für Bauingenieurwesen und Geodäsie

distribution of downloads over the selected time period:

downloads by country:

pos. country downloads
total perc.
1 image of flag of Germany Germany 126 64.95%
2 image of flag of United States United States 13 6.70%
3 image of flag of China China 12 6.19%
4 image of flag of United Kingdom United Kingdom 6 3.09%
5 image of flag of No geo information available No geo information available 3 1.55%
6 image of flag of India India 3 1.55%
7 image of flag of Switzerland Switzerland 3 1.55%
8 image of flag of Kenya Kenya 2 1.03%
9 image of flag of Iran, Islamic Republic of Iran, Islamic Republic of 2 1.03%
10 image of flag of Hungary Hungary 2 1.03%
    other countries 22 11.34%

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