File:land-wild1.png
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Original file (1,600 × 800 pixels, file size: 772 KB, MIME type: image/png)
Summary
Remaining natural habitats on Earth.
Includes: forest & shrub (green), desert & mountain (orange).
Methodology
Image generator code:
pop << data/population.data-float64-8640x4320 # population counts crop << data/cropland.data-float32-4320x2160 # cropland fraction of land past << data/pasture.data-float32-4320x2160 # pasture fraction of land lw << data/land_water.png # land=0, water=1 earth<< data/blue-marble-posterized.png # base layer 1600x800 # convert the data pop @@ quantity_to_density # convert to 'people per km^2' pop /= 2500 # threshold for land to be considered 'fully built-up' pop <= 4 # helps remove image scaling artifacts pop :: earth.r pop >= 0 # helps remove image scaling artifacts crop >= 0 crop :: earth.r past >= 0 past :: earth.r lw *= 0.9 lw :: earth.r earth.g *= 0.5 # apply data to base layer earth.r += lw earth.r += crop earth.r += past earth.r += pop earth.r @@ 01 earth.g += lw earth.g += crop earth.g += past earth.g += pop earth.g @@ 01 earth.b += lw earth.b += crop earth.b += past earth.b += pop earth.b @@ 01 earth >> data/land-wild1.png
Legend: "Remaining natural habitats on Earth (wild land in green & orange) Read more: https://olam.wiki/Land"
See also
- File:land-crop1.png - crop land
- File:land-pasture1.png - pasture
- File:land-builtup1.png - built-up land
- File:land-usage1.png - all land uses
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 09:34, 30 August 2022 | | 1,600 × 800 (772 KB) | Elie (talk | contribs) |
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File usage
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