[Ráfaga] #2176: trail, terrain, mineral

[Rafagas team]

#2176: trail, terrain, mineral

Wed, 15 Nov 2023 by Raf

* The official map of the Michinoku Coastal Trail, in Japan, is 38
paper maps but there is also an online interactive and a GPX as
accompanying materials to do this route on foot

https://m-tc.org/en/

* IGN France's RGE ALTI 1m digital terrain model, open, side by side
with the aerial image in an interactive viewer that allows you to see
below the vegetation

https://sgascoin.users.earthengine.app/view/hillshade-ign-rge-alti-1m

* Using spectral data from Earth observation satellites facilitates
more accurate assessments of the mineral composition of a terrain to
identify deposits of raw materials

https://medium.com/@terraeye/dive-into-spectral-analysis-for-mineral-prospecting-part-1-39c28d2ed59d

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Translated by Isaac, Jaume, Jorge, and Wladimir

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