Greenland Ice Sheet seasonal and spatial mass variability from model  simulations and GRACE (2003–2012)

Alexander, Patrick M.; Tedesco, Marco; Schlegel, Nicole-Jeanne; Luthcke, Scott B.; Fettweis, Xavier; Larour, Eric

doi:https://doi.org/10.5194/tc-10-1259-2016

Articles | Volume 10, issue 3

The Cryosphere, 10, 1259–1277, 2016

https://doi.org/10.5194/tc-10-1259-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

The Cryosphere, 10, 1259–1277, 2016

https://doi.org/10.5194/tc-10-1259-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 10, issue 3

Research article

| Highlight paper

20 Jun 2016

Research article | Highlight paper | 20 Jun 2016

Greenland Ice Sheet seasonal and spatial mass variability from model simulations and GRACE (2003–2012)

Patrick M. Alexander et al.

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Aug 2016	66	22	1	89
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Oct 2016	27	15	11	53
Nov 2016	23	17	6	46
Dec 2016	19	13	1	33
Jan 2017	33	25	3	61
Feb 2017	38	12	15	65
Mar 2017	62	18	11	91
Apr 2017	60	22	16	98
May 2017	81	27	21	129
Jun 2017	64	25	25	114
Jul 2017	36	18	9	63
Aug 2017	25	25	8	58
Sep 2017	30	20	1	51
Oct 2017	30	24	3	57
Nov 2017	28	38	5	71
Dec 2017	32	24	5	61
Jan 2018	41	26	5	72
Feb 2018	52	25	8	85
Mar 2018	26	28	4	58
Apr 2018	22	35	4	61
May 2018	24	36	5	65
Jun 2018	23	30	6	59
Jul 2018	16	30	6	52
Aug 2018	28	32	5	65
Sep 2018	21	13	1	35
Oct 2018	16	38	5	59
Nov 2018	22	36	2	60
Dec 2018	39	21	0	60
Jan 2019	36	28	1	65
Feb 2019	21	21	3	45
Mar 2019	33	28	4	65
Apr 2019	39	25	1	65
May 2019	43	26	2	71
Jun 2019	55	30	1	86
Jul 2019	58	32	5	95
Aug 2019	47	28	0	75
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Jan 2020	66	10	9	85
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Aug 2020	57	11	3	71
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Oct 2020	56	18	7	81
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Dec 2020	77	6	3	86
Jan 2021	85	9	9	103
Feb 2021	58	12	4	74
Mar 2021	75	6	11	92
Apr 2021	78	9	1	88
May 2021	79	16	3	98
Jun 2021	59	9	0	68
Jul 2021	56	15	1	72
Aug 2021	33	9	2	44
Sep 2021	50	13	3	66
Oct 2021	40	41	0	81
Nov 2021	46	25	4	75
Dec 2021	56	17	8	81
Jan 2022	48	14	9	71
Feb 2022	52	10	2	64
Mar 2022	54	15	1	70
Apr 2022	52	13	2	67
May 2022	44	11	3	58
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Dec 2015	16	31	0	47
Jan 2016	40	21	0	61
Feb 2016	24	5	0	29
Mar 2016	38	3	0	41
Apr 2016	6	5	2	13
May 2016	11	4	0	15
Jun 2016	227	55	3	285
Jul 2016	127	33	6	166
Aug 2016	66	22	1	89
Sep 2016	81	33	9	123
Oct 2016	27	15	11	53
Nov 2016	23	17	6	46
Dec 2016	19	13	1	33
Jan 2017	33	25	3	61
Feb 2017	38	12	15	65
Mar 2017	62	18	11	91
Apr 2017	60	22	16	98
May 2017	81	27	21	129
Jun 2017	64	25	25	114
Jul 2017	36	18	9	63
Aug 2017	25	25	8	58
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Oct 2017	30	24	3	57
Nov 2017	28	38	5	71
Dec 2017	32	24	5	61
Jan 2018	41	26	5	72
Feb 2018	52	25	8	85
Mar 2018	26	28	4	58
Apr 2018	22	35	4	61
May 2018	24	36	5	65
Jun 2018	23	30	6	59
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Aug 2018	28	32	5	65
Sep 2018	21	13	1	35
Oct 2018	16	38	5	59
Nov 2018	22	36	2	60
Dec 2018	39	21	0	60
Jan 2019	36	28	1	65
Feb 2019	21	21	3	45
Mar 2019	33	28	4	65
Apr 2019	39	25	1	65
May 2019	43	26	2	71
Jun 2019	55	30	1	86
Jul 2019	58	32	5	95
Aug 2019	47	28	0	75
Sep 2019	53	32	0	85
Oct 2019	56	26	4	86
Nov 2019	58	25	5	88
Dec 2019	53	20	5	78
Jan 2020	66	10	9	85
Feb 2020	49	5	8	62
Mar 2020	66	12	3	81
Apr 2020	74	20	4	98
May 2020	76	8	4	88
Jun 2020	63	6	5	74
Jul 2020	90	48	38	176
Aug 2020	57	11	3	71
Sep 2020	76	14	5	95
Oct 2020	56	18	7	81
Nov 2020	37	16	6	59
Dec 2020	77	6	3	86
Jan 2021	85	9	9	103
Feb 2021	58	12	4	74
Mar 2021	75	6	11	92
Apr 2021	78	9	1	88
May 2021	79	16	3	98
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Jul 2021	56	15	1	72
Aug 2021	33	9	2	44
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Oct 2021	40	41	0	81
Nov 2021	46	25	4	75
Dec 2021	56	17	8	81
Jan 2022	48	14	9	71
Feb 2022	52	10	2	64
Mar 2022	54	15	1	70
Apr 2022	52	13	2	67
May 2022	44	11	3	58
Jun 2022	45	2	2	49
Jul 2022	45	9	1	55
Aug 2022	12	2	0	14

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Short summary

We compared satellite-derived estimates of spatial and seasonal variations in Greenland Ice Sheet mass with a set of model simulations, revealing an agreement between models and satellite estimates for the ice-sheet-wide seasonal fluctuations in mass, but disagreement at finer spatial scales. The model simulations underestimate low-elevation mass loss. Improving the ability of models to capture variations and trends in Greenland Ice Sheet mass is important for estimating future sea level rise.

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