Tag Archives: geomorphology

Fly-By Geomorphology: Kitsault River

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I’ve been flying over the Kitsault River a few times a day for three weeks. The last 24+ hours of rain increased the sediment load, changing the river from clear blue to muddy brown. The water level also increased, filling … Continue reading

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Fly-By Geomorphology: Meander Scrolls

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Fly-By Geomorphology: U-Shaped Valley

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U-shaped Hanging Valley near Spiez, Switzerland

A U-shaped hanging valley photographed on the train between Spiez and Interlaken, Switzerland. This is the classic shape of a glacier-cut valley (as opposed to V-shaped valleys, cut by rivers, or Y-shaped, cut by rivers, uplifted, and cut again). The … Continue reading

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Natural Hazards in southern British Columbia

The interaction of strong north-south geomorphic obstructions and a low population density dominate the risk assessment for British Columbia. The north-south mountain ranges and valleys place severe limitations on where transportation and other infrastructure may be built. The limited economic … Continue reading

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Guest Lecture: Australian Coastal Geomorphology

‘Tis the season to be talky! I’m giving another talk next week — a guest lecture on Australian Coastal geomorphology. I’ll be talking about the processes that create coastal landforms, and showing lots of pretty pictures of examples from the … Continue reading

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Air Photo Geekiness

I love air photo interpretation. It’s amazing how much information you can get out of looking at pictures, and seeing things in hyperstereo makes me feel like a towering Godzilla looking down on a miniaturized landscape. I am absolutely gleeful … Continue reading

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Paleodunes at Barwon Heads

The bluffs of Barwon Heads are aeolian calcarnite — solidified sand dunes. As rain fell on the sand dunes, the top surface is cemented as calcrete. More dunes formed on top, and more, and more, with layers of hardened calcrete … Continue reading

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The Beach of Wonthaggi

Coastlines are landscapes of constant change. Near Wonthaggi, Australia, the shore is stabilized by extensive rock platforms and high rock-cored sand dunes. Small erosion patterns etch into the sand as the ebbing tide drains off the beach, and a river … Continue reading

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Basalt Cobbles & Onion Skin Weathering

At Settlement Point east of Melbourne, extensive basalts and tuffs of the Older Volcanics form the cliffs and shore platforms. The spherical weathering occurs as water penetrates along joints and fractures, decaying the rock layer by layer like onion skin. … Continue reading

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