Antarctic Desert trivia
Antarctic Desert Mini Quiz
Test your knowledge with these top questions!
Question 1
In Antarctica's McMurdo Dry Valleys, what is the name of the unique geological feature where an iron-rich saline discharge forms a crimson flow?
The iron in Blood Falls' discharge is cycled by a unique microbial ecosystem in its subglacial source, which has survived for millennia without sunlight.
Question 2
Powerful katabatic winds in Antarctica sculpt snow into sharp ridges/grooves. What are these wind-formed features called?
The term 'sastrugi,' used for these Antarctic snow features, is Russian for 'grooves' or 'small ridges.'
Question 3
Antarctica is the world's largest desert despite its ice. What climatic characteristic primarily defines it as a desert?
Antarctica is the largest cold desert. Deserts are defined by low annual precipitation, not by temperature, allowing for icy, arid regions.
Question 4
Beneath the East Antarctic Ice Sheet lies a vast, hidden mountain range similar to the Alps. What is this subglacial system called?
The Gamburtsev Mountains are considered the birthplace of the East Antarctic Ice Sheet, where ice began to form approximately 34 million years ago.