[Ráfaga] Nº1751: dem, coffee, mining

[Jorge Sanz]

Nº1751: dem, coffee, mining

Tue, 01 Feb 2022 by Raf

* A tutorial to learn how to convert a digital elevation model (DEM)
along a river into a relative elevation model (REM) with QGIS using a
series of steps that include the inverse distance-weighted
interpolation method (IDW)

https://dancoecarto.com/creating-rems-in-qgis-the-idw-method

* A new model predicts a general decline by 2050 in the Earth's total
area suitable for coffee cultivation, as climate change will cause the
best places to move away from the tropics

https://www.nationalgeographic.com/environment/article/what-climate-change-means-for-future-of-coffee-cashew-avocado

* In Venezuela's Bolivar and Amazon states, 3,718 points of mining
activity have been identified, most of them illegal, with clandestine
airstrips used for cross-border organized crime to dispatch valuable
shipments of gold and drugs [ES]

https://armando.info/la-mineria-ilegal-monto-sus-bases-aereas-en-la-selva/

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