Educational Permafrost Gallery (EPPG) by Gerald "JJ" Frost

Gerald "JJ" FrostABR, Inc.
Please attribute photo credit and copyright to Gerald Frost, unless otherwise indicated.

 

Please click on an image to see a larger version of the permafrost feature!

Aerial of non-sorted circlesAerial view of non-sorted circles with alder shrubs (24 July 2012).
Maybe Creek Drainage, National Petroleum Reserve, Alaska.

Photo credit: Gerald "JJ" Frost

 


Non-sorted CirclesNon-sorted circles in clay-rich soils (24 July 2012).
Maybe Creek Watershed, National Petroleum Reserve, Alaska.

Photo credit: Gerald "JJ" Frost

 


Cryoplanation terracesCryoplanation terraces (14 May 2016).
Chena Dome, Yukon-Tanana Uplands, Alaska. 

Photo credit: Gerald "JJ" Frost

 


Cryoplanation terracesCryoplanation terraces (14 May 2016).
Chena Dome, Yukon-Tanana Uplands, Alaska. 

Photo credit: Gerald "JJ" Frost

 


Cryoplanation terracesCryoplanation terraces (15 May 2016).
Chena Dome, Yukon-Tanana Uplands, Alaska. 

Photo credit: Gerald "JJ" Frost

 


Incipient non-sorted circlesIncipient non-sorted circles in highly cryoturbated soils (23 July 2012).
Maybe Creek Watershed, National Petroleum Reserve, Alaska.

Photo credit: Gerald "JJ" Frost

 


Incipient non-sorted circlesIncipient non-sorted circles in highly cryoturbated soils (4 July 2012).
Obskaya, northwestern Siberia, Russia.

Photo credit: Gerald "JJ" Frost

 


Incipient non-sorted circlesIncipient non-sorted circles in highly cryoturbated soils (4 July 2012).
Obskaya, northwestern Siberia, Russia.

Photo credit: Gerald "JJ" Frost

 


Non-sorted circlesNon-sorted circles in clay-rich soils (23 July 2012).
Umiat, National Petroleum Reserve, Alaska.

Photo credit: Gerald "JJ" Frost

 


Non-sorted circlesShrub tundra with non-sorted circles in clay-rich soils (23 July 2012).
Maybe Creek Watershed, National Petroleum Reserve, Alaska.

Photo credit: Gerald "JJ" Frost

 


PingoClosed-system pingo with collapsing summit (Summer 2017).
North Slope, National Petroleum Reserve, Alaska.

Photo credit: John E. Shook

 


PingoMassive ice exposure at summit of closed-system pingo (Summer 2017).
North Slope, National Petroleum Reserve, Alaska.

Photo credit: John E. Shook

 


Sorted CirclesSorted circles in stony alpine soils (Fall 2017).
Alaska Range, Alaska.

Photo credit: Dorte Dissing

 


Sorted CirclesSorted circles in alpine tundra (28 May 2017).
Chena Dome, Yukon-Tanana Uplands, Alaska.

Photo credit: Gerald "JJ" Frost

 


Non-Sorted StripesNon-sorted stripes in clay-rich soils (21 July 2012).
Umiat area, Arctic Foothills, Alaska.

Photo credit: Gerald "JJ" Frost

 

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