GRACE-derived ice-mass loss spread over Greenland
نویسندگان
چکیده
منابع مشابه
Revisiting Greenland ice sheet mass loss observed by GRACE
[1] In this paper we discuss a new method for determining mass time series for 16 hydrological basins representing the Greenland system (GS) whereby we rely on Gravity Recovery and Climate Experiment (GRACE) mission data. In the same analysis we also considered observed mass changes over Ellesmere Island, Baffin Island, Iceland, and Svalbard (EBIS). The summed contribution of the complete syste...
متن کاملIncreasing rates of ice mass loss from the Greenland and Antarctic ice sheets revealed by GRACE
[1] We use monthly measurements of time-variable gravity from the GRACE (Gravity Recovery and Climate Experiment) satellite gravity mission to determine the ice mass-loss for the Greenland and Antarctic Ice Sheets during the period between April 2002 and February 2009. We find that during this time period the mass loss of the ice sheets is not a constant, but accelerating with time, i.e., that ...
متن کاملGRACE observes small-scale mass loss in Greenland
[1] Using satellite gravity data between February 2003 and January 2008, we examine changes in Greenland’s mass distribution on a regional scale. During this period, Greenland lost mass at a mean rate of 179 ± 25 Gt/yr, equivalent to a global mean sea level change of 0.5 ± 0.1 mm/yr. Rates increase over time, suggesting an acceleration of the mass loss, driven by mass loss during summer. The la...
متن کاملGreenland mass balance from GRACE
[1] We use 22 monthly GRACE (Gravity Recovery and Climate Experiment) gravity fields to estimate the linear trend in Greenland ice mass during 2002–2004. We recover a decrease in total ice mass of 82 ± 28 km of ice per year, consistent with estimates from other techniques. Our uncertainty estimate is dominated by the effects of GRACE measurement errors and errors in our post glacial rebound (PG...
متن کاملPartitioning recent Greenland mass loss.
Mass budget calculations, validated with satellite gravity observations [from the Gravity Recovery and Climate Experiment (GRACE) satellites], enable us to quantify the individual components of recent Greenland mass loss. The total 2000-2008 mass loss of approximately 1500 gigatons, equivalent to 0.46 millimeters per year of global sea level rise, is equally split between surface processes (run...
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ژورنال
عنوان ژورنال: Journal of Geodetic Science
سال: 2015
ISSN: 2081-9943
DOI: 10.1515/jogs-2015-0010