File:Mountain regions identified by UNEP.png

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Original file (4,763 × 3,368 pixels, file size: 5.17 MB, MIME type: image/png)

Captions

Captions

The visualization graph displays the distribution of global mountain areas as defined by the UNEP environmental programme,it shows the percentage of mountainous areas in each continent and the altitude classification of mountain areas.


This image has been created during "DensityDesign Integrated Course Final Synthesis Studio" at Politecnico di Milano, organized by DensityDesign Research Lab in 2024. Credits goes to Yingying Zheng

Summary

Description
English: The visualization graph displays the distribution of global mountain areas as defined by the UNEP environmental programme,it shows the percentage of mountainous areas in each continent and the altitude classification of mountain areas.

The data comes from the "Mountains of the World" database published in 2002 by the United Nations Environment Programme (UNEP), as well as the United States Geological Survey (USGS) "Global Multi-resolution Terrain Elevation Data 2010" (GMTED2010). The graph combines planar and elevation forms to visualize the geographical study of mountain definition and classification, showing the distribution and proportion of mountainous areas in each continent on a flat surface, as well as the global proportion of mountain areas of different classes in terms of altitude.

Definitions

  • class1. elevation >= 4500 meters
  • class2. elevation < 4500 & elevation >= 3500
  • class3. elevation < 3500 & elevation >= 2500
  • class4. elevation < 2500 & elevation >= 1500 & slope > 2 degree
  • class5. elevation < 1500 & elevation >= 1000 & slope >= 5 degree OR
  • elevation < 1500 & elevation >= 1000 & local (7 km radius) elevation range > 300 meters
  • class6. elevation < 1000 & elevation >= 300 & local (7 km radius) elevation range > 300 meters
  • class7. Inner isolated areas (<= 25 sq.km in size) that do not meet criteria but surrounded with mountains
Original graphs were made using Arcgis, Rawgraphs, later edited by own user. Due to map file limitations, vector files cannot be provided.
Date
Source UNEP-WCMC. (2002). Mountains of the World. Cambridge (UK): UNEP-WCMC. https://doi.org/10.34892/4wep-p033
Author Matsu0000

Licensing

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I, the copyright holder of this work, hereby publish it under the following license:
w:en:Creative Commons
attribution
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Date/TimeThumbnailDimensionsUserComment
current14:36, 2 October 2024Thumbnail for version as of 14:36, 2 October 20244,763 × 3,368 (5.17 MB)Matsu0000 (talk | contribs)Uploaded own work with UploadWizard

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