Last November, a bunch of University of Tartu geographers participated in the #30DayMapChallenge on Twitter: Evelyn Uuemaa, Anto Aasa, Tõnu Oja, Janika Raun, Alexander Kmoch, and UT Mobility Lab.
Three geographers – Tõnu Oja, Professor of Geoinformatics and Cartography; Evelyn Uuemaa, Associate Professor in Geoinformatics; and UT Mobility Lab – managed to make thirty maps in a row, one each day. Evelyn repeated her 2019 accomplishment, which was when Finnish GIS professional Topi Tjukanov initiated the challenge for the first time.
In 2020, at least 1378 people tweeted the hashtag. 797 people made 6,882 maps. Geographers used open data and open-source software to make the maps.
Here come 30 selected maps by the University of Tartu geographers, grouped by topic. They visualize both essential and fun facts about Estonia. Clicking on a map opens a larger view.
1. Population map of Estonia
2. Another population map of Estonia
3. Population map: Estonians and Russians
4. Expansion of Tallinn from the 13th C.
5. Green infrastructure of Estonia
6. Estonian rivers
7. Standing waterbodies of Estonia
8. Forest loss in Estonia from 2001 to 2019
9. Air temperature on 13 November 2020
10. Climate change
11. The electric grid in Estonia
12. The barrier effect of roads
13. High chimneys in Estonia
14. Number of companies in Tallinn
15. Settlements with no bus stops
16. Population of humans and pigs
17. Agricultural fields in Estonia
18. Greenhouses in Estonia
19. Honey farms in Estonia
The Estonian language
20. Dialects in Estonia
21. The isoline of Õ
22. Place names containing “saar” (“island” in Estonian)
23. Viewshed of the highest point in Tartu
24. Skyscrapers in Tartu
25. Bridges in Tartu
26. Movement of people in Tartu
27. Regular movement in Estonia
28. Most visited Estonian municipalities by foreign tourists
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