Tagged: El Niño–Southern Oscillation

The El Niño/Southern oscillation and the rise and fall of the Incan Empire - Tuhia ki te rangi

Guest Author Dec 21, 2020

Alex Matheson What do sea surface temperatures in the Pacific Ocean have to do with the rise and fall of one of the greatest pre-modern civilisations? Read on – you might be surprised! The Incan Empire The Incan Empire was, at the height of its power, the largest in North or South America. By the time of the Spanish conquest … Read More

The Snows of Ruapehu - Journeys to the ice

Matthew Wood Sep 13, 2010

Mount Ruapehu could be viewed as New Zealand’s Kilimanjaro: the upper slopes of its formidable volcanic mass tower above the plain below, hosting glaciers that, considering the surrounding desert climes, have only the most tenuous claim to existence. As is the case with its Tanzanian counterpart — vividly documented in the 2006’s An Inconvenient Truth — Ruapehu’s glaciers … Read More

Riders on the Storm - Journeys to the ice

Matthew Wood Feb 28, 2010

Turns out there are no reservations about hitchhiking in Antarctica. On the Victoria Land coast, microscopic particulate matter, from volcanic ash to sea salt, powdered rock to helicopter exhausts, make a habit of snatching free rides on the winds of Ross Sea cyclonic systems or on the gravity-driven katabatic gales that flow … Read More