Recent images

Earth Hummocks Prince Patrick Island

Ina Timling

Uploaded on Wed, 2009-12-02 22:36 by rdaanen in Patterned ground 2008 visits

Irregular Ice wedge polygons and non-sorted circles on Howe Island, Alaska.

Howe Island, Alaska Ronald Daanen

Uploaded on Thu, 2009-11-12 15:06 by rdaanen in Patterned ground 1404 visits

Irregular low centered ice wedge polygons North Slope, Alaska

Sagavanirktok river delta, Alaska.

Uploaded on Thu, 2009-11-12 15:06 by rdaanen in Patterned ground 1208 visits

Irregular low centered ice wedge polygons North Slope Alaska

Ina Timling

Uploaded on Wed, 2009-12-02 22:36 by rdaanen in Patterned ground 1029 visits

low centered irregular orthogonal ice wedge polygons Canada

Ronald Daanen

Uploaded on Wed, 2009-12-02 21:22 by rdaanen in Patterned ground 1004 visits

2014-Tibet-011-jaks-on-solifluction.jpg

Uploaded on Wed, 2014-05-07 09:06 by rmuskett in Tibet Plateau 2014 962 visits

2014-Cranes beneath the Solifluction [Tibet-May-2014].jpg

Uploaded on Wed, 2014-05-07 09:06 by rmuskett in Tibet Plateau 2014 955 visits

low centered irregular hexagonal ice wedge polygon Prince Patrick Island Canada

Ronald Daanen

Uploaded on Wed, 2009-12-02 21:22 by rdaanen in Patterned ground 952 visits

Screen shot 2015-02-26 at 6.48.02 PM.jpg

Uploaded on Thu, 2015-02-26 19:24 by rmuskett in InSAR Investigations in Permafrost Regions of Alaska 932 visits

2014-Tibet-009-wild-donkey.jpg

Uploaded on Wed, 2014-05-07 09:06 by rmuskett in Tibet Plateau 2014 920 visits

High centered orthogonal Ice wedge polygons in Northern Canadaian Archepelago

Northern Canada Ronald Daanen

Uploaded on Thu, 2009-11-12 15:06 by rdaanen in Patterned ground 906 visits

Regular orthogonal Ice wedge polygons Belyy Ostrov Russia

Ronald Daanen

Uploaded on Wed, 2009-11-25 17:28 by rdaanen in Patterned ground 877 visits

B1.jpg

Uploaded on Mon, 2015-02-23 13:51 by rmuskett in InSAR Investigations in Permafrost Regions of Alaska 864 visits

2014-Tibet-003-mobile-station-after-snowfall.jpg

Uploaded on Wed, 2014-05-07 09:06 by rmuskett in Tibet Plateau 2014 860 visits

Small non-sorted polygons with emerging non-sorted circles Prince Patrick Island

Ina Timling

Uploaded on Wed, 2009-12-02 22:38 by rdaanen in Patterned ground 857 visits

2014-Tibet-002-Me.jpg

Uploaded on Wed, 2014-05-07 09:06 by rmuskett in Tibet Plateau 2014 854 visits

Eroding irregular low centered ice wedge polygons North Slope, Alaska

North Slope Alaska Ronald Daanen

Uploaded on Thu, 2009-11-12 15:06 by rdaanen in Patterned ground 826 visits

GIFair15_sz.jpg

Uploaded on Fri, 2015-08-14 08:47 by rmuskett in InSAR Investigations in Permafrost Regions of Alaska 824 visits

2014-Tibet-004-Madou-town-2.jpg

Uploaded on Wed, 2014-05-07 09:06 by rmuskett in Tibet Plateau 2014 823 visits

2014-Tibet-024.jpg

Uploaded on Wed, 2014-05-07 09:06 by rmuskett in Tibet Plateau 2014 814 visits

Irregular high centered ice wedge polygons Howe Island Alaska

Ina Timling

Uploaded on Wed, 2009-12-02 22:36 by rdaanen in Patterned ground 801 visits

Non-sorted circles Svalbard

Kvadehukken, Svalbard Ina Timling

Uploaded on Thu, 2009-11-12 15:06 by rdaanen in Patterned ground 792 visits

Snow drift along the road on Atigun pass

Uploaded on Wed, 2009-12-02 14:11 by rdaanen in Brooks Range 788 visits

RUcraterMap.jpg

Uploaded on Mon, 2015-02-23 13:51 by rmuskett in InSAR Investigations in Permafrost Regions of Alaska 787 visits

Non-sorted poygons with emerging non-sorted circles Howe Island Alaska

Ina Timling

Uploaded on Wed, 2009-12-02 22:36 by rdaanen in Patterned ground 779 visits

Weather station on top of mountain near Nuuk Basic

Uploaded on Wed, 2009-11-18 14:53 by rdaanen in Greenland 776 visits

antonov2.JPG

Uploaded on Tue, 2010-02-09 15:48 by rmuskett in Svalbard 2010 and More 772 visits

InSAR_AK2.jpg

Examples in interferometric processing of L-band PALSAR datasets across the permafrost terrains of Alaska. For active-layer and permafrost change detection we need to be careful because 1) the changes are non-linear, non-stationary and episodic 2) pay careful attention to topography phase reduction 3) think of PV=nRT in regards to the contributions of the lower troposphere to altering the optical path of the insar pair 4) do the Error Budget (Better to know the error(s) than the error(s) to know you.) and 5) check the literature for Real Measurements to compare.

Uploaded on Sat, 2014-11-08 12:03 by rmuskett in InSAR Investigations in Permafrost Regions of Alaska 763 visits