Yahoo Suche Web Suche

Suchergebnisse

  1. Suchergebnisse:
  1. David Stanley in the Sahara. David Stanley atop a Sahara sand dune. Yaroslav Borovsky, Rubén Casares and 6 more people faved this. 7,780 views. 8 faves. 8 comments. Uploaded on December 22, 2010. Some rights reserved. Show EXIF. © Mapbox © OpenStreetMap · Improve this map. أوباري, Libya. This photo is in 114 groups.

    • 7,8K
  2. The trackless expense of the southern Sahara in northern Chad, Central Africa, is accessible only by camel or 4X4 vehicle.

    • 3,2K
    • Dust in The Wind
    • Why Sahara Dust Matters So Much
    • The Sahara and The Amazon
    • Spreading Far and Wide, and Not All Good
    • A Key Connection

    For hundreds of thousands of years, the Sahara has alternated between a desert and a savanna grassland, changing every 20,000 years. This cycle is caused by the Earth’s precession movement — small wobbles of the planet’s axis as it rotates around the Sun. These wobbles change the location of the North African monsoon and shift the Sahara from one s...

    When you read about Sahara dust, it’s usually associated with risks to human health, andthat’s perfectly understandable. Exposure to Sahara dust is linked to a higher number of ER visits for asthma, pulmonary disease and respiratory infections and given how far the dust can spread, that’s a justifiable concern. But the dust doesn’t just degrade air...

    What connects one of the hottest and driest environments on Earth to the wet, lush Amazon forest? Yep, it’s dust. Much of the Amazon basin is very limited in phosphorus, a key nutrient for many plants. It seems ironic that the Amazon rainforest, one of the most biologically productive places in the world, doesn’t have enough phosphorus, but you can...

    We’ve gone through the geology and the positive impact of the Sahara dust, but we’ve only briefly mentioned the damage it can cause. Specifically, the dust can be damaging to humans. Researchers have documented respiratory difficulties andadverse health effectsduring dust storms. Whether or not such a storm will be damaging depends on the altitude ...

    Ultimately, despite the potential damage it can cause, Sahara dust is important to our planet. Carried far and wide by winds, the dust marks an important connection between seemingly unrelated parts of the planet and it’s a sign that even faraway environments are connected by the physical processes that govern our planet. Sahara dust is a fundament...

    • Founding Editor
  3. 30. Apr. 2020 · How did the Niger River evolve over the last few thousands of years? It evolved from a short river that flew into the Sahara. Only then, there was no Sahara.

    • david stanley sahara1
    • david stanley sahara2
    • david stanley sahara3
    • david stanley sahara4
    • david stanley sahara5
  4. 1. Nov. 2019 · The Sahara is the world's largest and most legendary subtropical desert, but knowledge about it is surprisingly limited. Even estimates of when it formed vary widely, from more than five million...

    • Lucas Joel
  5. 7. Nov. 2021 · Vor 150 Jahren machte der Journalist Henry Morton Stanley am Tanganjika-See den verschollenen Afrika-Forscher David Livingstone ausfindig. Das Treffen sorgte weltweit für Schlagzeilen – und war...

  6. 16. März 2018 · Lost in the Desert in Matthew McConaughey’s ‘Sahara’. By David Duprey On Mar 16, 2018. Sahara is a 2005 epic adventure about an explorer who goes on the adventure of a lifetime of seeking out a lost Civil War battleship that might be in the deserts of West Africa.