[Ráfaga] #3036: palma, sea ice, migration, transport, megacities

[Rafagas team]

#3036: palma, sea ice, migration, transport, megacities

Fri, 27 Jun 2025 by Raf

* Viewer of orthophotos of Palma, from the American flight series B of
1956 to the color flight of 2023 with 6 cm pixels, which allows them
to be compared side by side [CA]

https://cartografia.palma.es/visorortofotos/

* Geomorphons are classes of topographic features determined using a
neighborhood approach, useful for identifying deformations in sea ice

https://www.spatialised.net/identifying-deformed-sea-ice-using-geomorphons/

* A permanent migration record to and from 181 countries based on a
single consistent information source, for each month from the
beginning of 2019 to the end of 2022

https://www.nytimes.com/interactive/2025/04/17/opinion/global-migration-facebook-data.html?unlocked_article_code=1.AU8.ZvK-.RZuvu1ogrWSd

* Lars, a transport planner in Switzerland, edits and publishes
unofficial transport maps that can be downloaded and used with
attribution.

https://larstransportmaps.com/

* The OpenspaceGlobal product is a 1.19 m resolution UOS (urban open
space) map of 169 megacities to improve understanding of artificial
spatial surfaces

https://www.nature.com/articles/s41597-025-04924-x

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Translated by Isaac, Jaume, Jorge, and Wladimir

web: https://geoinquiets.github.io/rafagas/2025/06-27.html
mastodon: https://en.osm.town/@rafagaslinks