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18 December 2020

Is San Quintin Glacier Lake the fastest expanding lake this century in South America?

Landsat images of San Quintin Glacier from 2001 and 2020 indicate the expansion of both Lake A and Lake B due to glacier retreat. The Lake A basin as defined by the transect at the eastern narrow point, yellow line, has a total area of 41 km2 with the lake surface area now comprising 35.1 km2. San Quintin is the largest glacier of the Northern Patagonia Icefield (NPI) at 790 …

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4 December 2018

San Quintin Glacier High Calving Rate Observations in 2018

San Quintin Glacier in 4-16-2017 Sentinel image, red dots indicate terminus location then. Yellow dots the terminus location  on 11-10-2018. San Quintin Glacier in 3-20-2018 Sentinel image, pink dots indicate terminus position.  San Quintin Glacier in 11-10-2018 Sentinel image. Yellow dots the terminus location  on 11-10-2018, pink dots from 3-30-2018 and red dots from 4-16-2017.  San Quintin is the largest glacier of the NPI at 790 km2 in .  The glacier …

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15 February 2016

San Quintin Glacier, Chile terminus disintegration 1987-2015

Landsat comparison of San Quintin Glacier in 1987 and 2015: red arrow indicates 1987 terminus location, yellow arrow indicates 2015 terminus location of the three main termini, and the purple arrow indicates upglacier thinning. San Quintin is the largest glacier of the NPI at 790 km2 in 2001 (Rivera et al, 2007).  The glacier extends 50 km from the ice divide in the center of the ice cap.  The peak …

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