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You are browsing the archive for glaciers Archives - AGU Blogosphere.

17 May 2019

Friday fold: Found folds

This week, for Friday folds, I offer up some random folds that have passed my perceptual transom this week. First up: In the new Netflix series Our Planet, in episode 7 (Fresh Water), an anticline/syncline pair makes a brief appearance as David Attenborough discusses glaciers as a reservoir for fresh water. Here is a screenshot: I’m not sure where this is in the world: Greenland? Antarctica? Let me know in …

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1 March 2019

Friday fold: Gold Harbour, South Georgia

Near Antarctica, South Georgia Island is a good place to find glaciers and penguins. And, as it turns out: massive recumbent folds! Let’s take a look.

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29 January 2019

The Parallel Roads of Glen Roy

What can we learn from Scotland’s Parallel Roads of Glen Roy?

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20 July 2018

Friday fold: Alpine peak containing a high elevation recumbent fold

Via Twitter, a Friday fold from Maddy Rushing: #FridayFold, @callanbentley? pic.twitter.com/eaKIuuvFgB — Maddy Rushing (@komaddyite) May 25, 2018 This is in the Alps of Switzerland; I don’t know more about it than that. If you recognize the site or the geology, educate us in the comments!

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30 March 2018

Overflow ice as northern oasis

Overflow ice, also known as aufeis, is like a field of arctic daisies that comes back year after year.

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8 February 2018

A spectacular display of Earth science in the Alabama Hills

A detailed examination of an elegant photo of the eastern front of California’s Sierra Nevada, from the perspective of the Alabama Hills. How many different geologic phenomena can be packed into a single image? Let’s find out!

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16 October 2017

Getting ready for Antarctica

By Sarah Sams MAGIC-DML is an international collaboration focused on mapping, measuring, and modeling Antarctic geomorphology and ice change in Dronning Maud Land. The team has one austral field season under its belt and is in preparation for another this coming December through February. The week of October 2-8 was dedicated to preparing for the upcoming field season and reviewing progress from the previous one. The week began with a three-day …

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30 May 2017

Glacier Benito Journal: Observation, Final Words & Acknowledgements

I realised how lucky I am to have observed the glacier in 1972/73 and to have photographed the glacier extensively then so that I was able to show to others one of the demonstratable effects of climate change.

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29 May 2017

Glacier Benito Journal: Departure – Sunday 16th April

The weather was still excellent for our final day for departure. I was tempted to stay one day longer but one should not tempt ‘fate’ even if the weather on Monday was going to be good.

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26 May 2017

Glacier Benito Journal: Winding Up – Saturday 15th April

First excursion in the morning was by Marcos and Olaf to Level II Finger Lower Cairn to measure its position using the Survey GPS. After that they moved to Level I Finger Lower Cairn to repeat the survey activity.

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25 May 2017

Glacier Benito Journal: Crossing the Glacier and the Mavic Takes Off – Friday 14th April

The plan on Friday was conduct Mavic drone flying from the middle of Level II on the glacier. So at 0945, all five of us set off to point ‘403’.

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24 May 2017

Glacier Benito Journal: Finding the Level Markers – Thursday 13th April

Day three started the same as day two. Clear sky, moon providing the illumination before dawn, a sharp frost and no wind! Johnny, Olaf and Mark remained in camp to try to get the X8 drone up and flying.

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23 May 2017

Glacier Benito Journal: Preparing for Drone Flights – Wednesday, 12th April

Each morning’s activity started with Martin getting up at about 0730 to light the cookers. The ground and glacier were frosted. As soon as we left the tent, the condensation inside the tent also turned to ice which fell onto our sleeping bags and mattresses as we entered the tent again to get items required during the day.

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22 May 2017

Glacier Benito Journal: Arriving on Ice – Tuesday 11th April

The first of six magical days on the ice…

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19 May 2017

Glacier Benito Journal: Execution

The team was arriving. Meanwhile snow was falling with it settling down to 500 m above sea level (absl). Had winter started early?

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18 May 2017

Glacier Benito Journal: Planning and Preparation

Over the next six years, the plan emerged following discussions with Olaf Wündrich of ColibriVentura and others. The major requirement was to find a helicopter able to undertake the flights.

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17 May 2017

Glacier Benito Journal: Prologue–1972 to 2011

A dream turns into an obsession. Finally an obsession is resolved. How did it happen? First post from an expedition to Glacier Benito.

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1 February 2017

An oddball at Eshaness

In eastern Shetland, the sea chews away at the innards of a Devonian stratovolcano. But there’s an odd visitor there too – and we’re not talking about the blogger.

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1 June 2016

Varves along Hawk Creek, Washington

Heading into the Columbia River Plateau, Callan and his colleague Bill Richards make a detour in search of some varves from Glacial Lake Columbia. They find them, a credit to the authors of “Washington Rocks!” – the new book from Mountain Press.

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26 May 2016

Glaciotectonic thrust at Waubonsee Community College

Glaciers can cause thrust faults! Explore an example from a trench south of Chicago.

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