Results for @tags anwr
Displaying results 1 - 20 of 71 in total

Survey pole on McCall Glacier

Published about 11 hours ago by Matt Nolan

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This pole is part of a transect of poles that are used to measure ice motion with GPS on McCall Glacier. The Hanging Glacier above nearl<a href="http://www.360cities.net/image/survey-pole-on-mccall-glacier">...(more)</a>

Supraglacial stream on McCall Glacier

Published about 12 hours ago by Matt Nolan

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This supraglacial stream on McCall Glacier is still bridged by snow in late August. These bridges are weak this late in the year, but fortunately this stream is not deep.

Lateral moraine on McCall Glacier

Published about 12 hours ago by Matt Nolan

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The glacier ice used to be about 100 m higher here than today. As the ice melted, it left behind a debris of boulders that insulated<a href="http://www.360cities.net/image/lateral-moraine-on-mccall-glacier">...(more)</a>

Polished rock at McCall Glacier terminus

Published about 13 hours ago by Matt Nolan

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This boulder had been under McCall Glacier only a few years ago. You can tell it was under the ice because of the characteris<a href="http://www.360cities.net/image/polished-rock-at-mccall-glacier-terminus">...(more)</a>

August 2014 camp at McCall Glacier

Published about 13 hours ago by Matt Nolan

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Ready for takeoff at McCall Glacier

Published about 19 hours ago by Matt Nolan

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After a week of bad weather coated the glacier ice with a foot of snow, I packed a skiway using a snow machine. It was a chilly morning and I left shortly after taking this photo, ending a two week solo research trip.

McCall Glacier stream weather station

Published about 20 hours ago by Matt Nolan

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This simple weather station records air temperature and rainfall near the terminus of McCall Glacier. This location is also wh<a href="http://www.360cities.net/image/mccall-glacier-stream-weather-station-1">...(more)</a>

Ancient sled on mccall glacier

Published about 20 hours ago by Matt Nolan

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This rusty sled was used for McCall Glacier research in the 1960s and 1970s.  When we first found it in<a href="http://www.360cities.net/image/ancient-sled-on-mccall-glacier-arctic-national-wildlife-refuge">...(more)</a>

Ice-cored moraine melt

Published about 21 hours ago by Matt Nolan

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Here, ice was covered in rockslide which slowed its melt relative to the rest of the glacier. The rockslide diverted the stream, which now goes under the debris-covered ice.

Ice-cored moraine formation on McCall Glacier

Published about 21 hours ago by Matt Nolan

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Here some of the glacier got covered by rockslide a few years ago, which prevented it from melting as fast as the rock-f<a href="http://www.360cities.net/image/ice-cored-moraine-formation-on-mccall-glacier">...(more)</a>

Bur Cirque Moulin

Published about 21 hours ago by Matt Nolan

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A small stream travels over McCall Glacier and ends in a Moulin. The height of the glacier 150 years ago is indicated by the brown and gray rocks on<a href="http://www.360cities.net/image/bur-cirque-moulin">...(more)</a>

Small stream near Bur Cirque, McCall Glacier

Published about 22 hours ago by Matt Nolan

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A small stream cuts through the ice of McCall Glacier, ending in a Moulin. Bur Cirque is in the background.

Me and my plane on McCall Glacier

Published about 22 hours ago by Matt Nolan

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I spent two weeks doing glacier research on McCall Glacier in the Arctic National Wildlife Refuge in August 2014. I flew myself in and out.

Grassers Airstrip in the Hulahula River valley 110609 1931

Published over 2 years ago by Matt Nolan

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Grasser's airstrip in the Hulahula River valley is one of the longest and hardest strips in this region and is a popular one used by both floaters and hunters. 

Sheltered from the wind on the Hulahula River 110609 1926

Published over 2 years ago by Matt Nolan

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We arrived at Grasser's air strip on the Hulahula River to begin a float to <a href="http://www.360cities.net/image/sheltered-from-the-wind-on-the-hulahula-river-110609-1926-arctic-national-wildlife-refuge">...(more)</a>

Collecting water samples on the Hulahula River 110611 1943

Published over 2 years ago by Matt Nolan

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We measured water discharge, water chemistry, and aquatic ecology during th<a href="http://www.360cities.net/image/collecting-water-samples-on-the-hulahula-river-110611-1943-arctic-national-wildlife-refuge">...(more)</a>

Collecting invertebrates on the Hulahula River 110613 1646

Published over 2 years ago by Matt Nolan

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We conducted a survey of aquatic invertebrates in the Hulahula River in summer 2011.  Here Greta Burkart filters out the invertebrates collected in her kick-net.

Sunset on the Hulahula River 110614 0055

Published over 2 years ago by Matt Nolan

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After several days of mild storms, we were treated to a break in the clouds.  Water levels were low, as the glaciers were prevented from melting by the fresh snow in the mountains.

Camping on the Hulahula River 110613 2310

Published over 2 years ago by Matt Nolan

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We gaged water discharge on the Hulahula River in summer 2011 and also sampled aquatic invertebrates and ecology.  Though it was mid-June, we experience frequent snow falls.

Gaging discharge on the Jago River 110618 1054

Published over 2 years ago by Matt Nolan

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We gaged discharge on the Jago River in summer 2011.  This view is from the eastern bank looking back on the channels we gaged.