reference : Mass loss of glaciers and ice caps from GRACE during 2002-2015

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/reference/5d34229c-b521-42f4-aad1-f2ffc600879d
Bibliographic fields
reftype Conference Paper
Abstract We use time series of time-variable gravity from the NASA/DLR GRACE mission using a mascon approach to estimate the ice mass balance of the Earth’s Mountain Glaciers and Ice Caps (GICs), excluding the Antarctic and the Greenland peripheral glaciers, between January 2003 and October 2014. We estimate a total ice mass loss equal to -217 ± 33 Gt/yr, equivalent to a sea level rise of 0.6±0.09 mm/yr. The global signal is driven by a few regions, contributing to almost of 75% of the total ice mass loss. Among these areas, the main contributor is the Canadian Arctic Archipelago with a total mass loss of -75 ± 9 Gt/yr, followed by Alaska (-51 ± 10 Gt/yr), Patagonia (-26 ± 10 Gt/yr) and the High Mountains of Asia (-25 ± 13 Gt/yr). The mass loss for most of the arctic regions is not constant, but accelerates with time. The Canadian Archipelago, in particular, undergoes a strong acceleration in mass waste (-7±1 Gt/yr2). The signal acceleration is mainly driven by the northern located Queen Elisabeth Islands (-4.5 ± 0.6 Gt/yr2). A similar behavior is observed for Svalbard and the Russian Arctic. In this second case, however, we observe an enhanced mass loss starting from the second decade of the 21st century after a period of nearly stable mass balance. The observed acceleration helps reconcile regional ice mass estimates obtained for different time periods.
Author Ciraci, Enrico; Velicogna, Isabella; Wahr, John M.; Swenson, Sean C.
Conference Location San Francisco, CA
Conference Name 2015 American Geophysical Union (AGU) Fall Meeting
Custom 3 Cryosphere: Glacier Monitoring from In Situ and Remotely Sensed Observations I Posters
Date December 2015
Publisher American Geophysical Union
Title Mass loss of glaciers and ice caps from GRACE during 2002-2015
URL https://agu.confex.com/agu/fm15/meetingapp.cgi/Paper/74083
Year 2015
Bibliographic identifiers
.reference_type 47
_record_number 22410
_uuid 5d34229c-b521-42f4-aad1-f2ffc600879d