Tag: sastrugi
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Sastrugi (part 2!)
Why Are Sastrugi a Problem for Antarctic Expeditions… Coming back to the subject of sastrugi (just because it gives Ben nightmares!)… These aren’t soft snow ridges. They’re often rock-hard, jagged formations shaped by wind, earning the nickname “nature’s speed bumps.” When the sastrugi are small, pulks (sleds) can glide or bulldoze their way through them.…
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Sastrugi
In this series of posts, we go into what sastrugi are, how and why they form, and why they can be truly horrific for expeditions! What are they?! Antarctica’s powerful winds carve the snow surface into sharp-edged ridges known as sastrugi. These formations, often described as frozen waves, can span vast distances and significantly affect…