The sandy and rocky terrain of the Sahara desert in central Algeria is featured in these pictures captured by the Copernicus Sentinel-2 mission.
The pictures present the extraordinary panorama throughout the Tanezrouft Basin, one of the desolate components of the Sahara desert. Identified for its hovering temperatures and its lack of water and vegetation, the area is sometimes called the ‘Land of Terror’.
These two pictures have been processed in false color by choosing particular spectral bands from the shortwave and near-infrared channels that can be utilized for classifying and monitoring geological options. In extraordinarily arid areas reminiscent of this with little or no vegetation, this band mixture enhances the distinction between totally different floor supplies, making the geological and hydrological patterns simpler to differentiate in comparison with natural-colour imagery.
Right here, the colors signify the various mineral composition of the floor, which is clearly seen owing to the shortage of vegetation. The shades of purple and brown denote naked sandstone outcrops, steep canyon partitions and stone plateaus. Uncovered sandstone strata of concentric rings create beautiful patterns predominantly within the high left.
Areas displaying colors from cyan to white are salt flats, evaporite basins, dry riverbeds and multistorey sand dunes often known as ‘ergs’. The distinctive function that stands out as a vibrant white bouquet of flowers within the centre of the picture is Erg Mehedjibat, which is made up of a cluster of small star dunes that develop upward fairly than throughout.
In mid-February 2026, highly effective winds triggered quite a lot of Saharan mud to blow throughout Algeria. The picture on the appropriate, captured on 14 February, exhibits this huge mud cloud. The false-colour mixture clearly reveals a definite mud veil, rendered in cyan hues, extending from the top-left throughout the centre of the picture. The sharp, rocky panorama that was seen within the left picture from 9 February, is right here washed out or nearly fully masked by the storm.
Mud from the Sahara could be carried by robust winds over huge distances, contributing to poor air high quality hazardous to human well being. Satellites are a precious instrument to watch giant areas of desert, and might monitor and assist predict the motion of mud storms for early-warning alerts.
