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Taken 9-Sep-19
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Photo Info

Dimensions8337 x 4781
Original file size26.3 MB
Image typeJPEG
Color spaceAdobe RGB (1998)
Date taken9-Sep-19 18:44
Shooting Conditions

Camera makeSONY
Camera modelILCE-7RM3
Focal length24 mm
Focal length (35mm)24 mm
Max lens aperturef/4
Exposure1/640 at f/11
FlashNot fired, compulsory mode
Exposure bias0 EV
Exposure modeManual
Exposure prog.Manual
ISO speedISO 800
Metering modePattern
Digital zoom1x
We measured >12 m of ice loss in the icefall over the last 12 months.

We measured >12 m of ice loss in the icefall over the last 12 months.

The general mass balance gradient on the glacier would predict no more than 6 m of ice loss at this elevation. The broken ice disrupts the laminar flow of cold air down the surface of the ice, and absorbs a lot more solar radiation, increasing the melt. It is time consuming to make measurements in these areas, so most mass balance programs avoid them entirely.