AstronomyEarth from space: Farming the desert

Earth from space: Farming the desert

-

- Advertisment -


'; } else { echo "Sorry! You are Blocked from seeing the Ads"; } ?>
Credit score: accommodates modified Copernicus Sentinel information (2021), processed by ESA, CC BY-SA 3.0 IGO

The Copernicus Sentinel-2 mission takes us over El Oued, in northeast Algeria, about 80 km west of the border with Tunisia.

Proven as a darkish elongated space within the heart of the picture, the city of El Oued lies round an oasis within the northern Sahara, in a area that’s in any other case an infinite sea of sand.

This false-color picture has been processed utilizing the mission’s near-infrared channel to show vegetation in pink, with irrigated vegetation proven in vivid pink and non-irrigated areas showing in darker pink tones. These vegetated areas stand out clearly within the surrounding gold sand dunes formed by the wind.

A lot of the agricultural fields within the picture are round, indicating that central-pivot irrigation programs are getting used. A properly, drilled within the heart of every circle, provides water to rotating sprinklers that spray water in a circular pattern. Every of the circles is round 100 m in diameter. The principle crops right here embody potatoes, onions and tomatoes.

Date palms are additionally crucial for the native economic system. They’re sometimes grown utilizing conventional strategies inside irregular funnel-shaped fields within the sand. They don’t should be irrigated often and will be noticed in darkish colours all through the picture, comparable to round El Oued and to the south of the city of Hassani Abdelkrim, northeast of El Oued.

Whereas offering detailed details about Earth’s vegetation, Copernicus Sentinel-2 performs a key position in mapping variations in land cowl to grasp how it’s used and to trace modifications over time, so helpful for monitoring desertification. The mission additionally gives measurements of water high quality and detects modifications in water bodies, supporting sustainable water administration—a useful software for arid areas the place water is scarce.

Quotation:
Earth from space: Farming the desert (2023, Could 5)
retrieved 5 Could 2023
from https://phys.org/information/2023-05-earth-space-farming.html

This doc is topic to copyright. Other than any honest dealing for the aim of personal examine or analysis, no
half could also be reproduced with out the written permission. The content material is offered for data functions solely.





Source link

LEAVE A REPLY

Please enter your comment!
Please enter your name here

Latest news

See 6 planets in late August and early September

See 6 planets earlier than dawn Possibly you’ve already seen Jupiter and Mars within the morning sky? They’re simply...

Voyager 2: Our 1st and last visit to Neptune

Reprinted from NASA. Voyager 2 passes by Neptune, 35 years in the past Thirty-five years in the past, on August...

Polaris, the North Star, has spots on its surface

Polaris, the North Star, was the topic of observations by the CHARA Array in California. Polaris is a variable...
- Advertisement -spot_imgspot_img

Understanding extreme weather with Davide Faranda

https://www.youtube.com/watch?v=DRtLAk8z0ngBe part of us LIVE at 12:15 p.m. CDT (17:15 UTC) Monday, August 26, 2024, for a YouTube...

Must read

- Advertisement -spot_imgspot_img

You might also likeRELATED
Recommended to you