Nature Communications

Table 1 Regional area, elevation, mass (Gt a⁻¹) and specific mass change (m.w.e. a⁻¹) of glaciers in the European Alps for two observation periods (2000–2012, 2000–2014).

From: Rapid glacier retreat and downwasting throughout the European Alps in the early 21^st century

ID	Region name	Glacier area (km²) 2000	Area measured mean (%)	Mean elevation change rate (m a⁻¹) 2000–2012	Mean elevation change rate (m a⁻¹) 2000–2014	Mass-change rate (Gt a⁻¹) 2000–2012	Mass-change rate (Gt a⁻¹) 2000–2014	Mass-change rate (m.w.e. a⁻¹) 2000–2012	Mass-change rate (m.w.e. a⁻¹) 2000–2014	RGI6.0-based mass-change rate (m.w.e. a⁻¹) 2000–2014	Median date of TanDEM-X 2012	Median date of TanDEM-X 2014
01	Dauphiné Alps	86.8	63.5	−0.562 ± 0.225	−0.620 ± 0.196	−0.054 ± 0.021	−0.056 ± 0.018	−0.690 ± 0.266	−0.739 ± 0.237	−0.597 ± 0.192	2012-01-24	2013-12-26
02	Graian Alps	340.8	80.7	−0.648 ± 0.096	−0.520 ± 0.070	−0.220 ± 0.042	−0.176 ± 0.033	−0.723 ± 0.141	−0.604 ± 0.116	−0.519 ± 0.096	2012-02-25	2014-04-14
03	Pennine Alps	442.1	86.7	−0.460 ± 0.060	−0.493 ± 0.054	−0.224 ± 0.053	−0.227 ± 0.046	−0.544 ± 0.128	−0.562 ± 0.114	−0.496 ± 0.096	2012-03-08	2014-02-27
04	Bernese Alps	485.7	85.9	−0.736 ± 0.068	−0.719 ± 0.059	−0.362 ± 0.064	−0.345 ± 0.056	−0.828 ± 0.148	−0.806 ± 0.131	−0.703 ± 0.107	2012-02-20	2014-03-20
05	Glarus Alps	53.7	82.3	−0.859 ± 0.155	−0.901 ± 0.154	−0.045 ± 0.010	−0.046 ± 0.009	−0.985 ± 0.211	−1.031 ± 0.208	−0.846 ± 0.145	2011-12-16	2013-12-20
06	Lepontine Alps	54.6	95.0	−0.795 ± 0.160	−0.732 ± 0.140	−0.045 ± 0.011	−0.040 ± 0.009	−0.974 ± 0.233	−0.889 ± 0.204	−0.731 ± 0.155	2012-02-20	2013-11-30
07	Rhaetian Alps West	149.6	87.7	−0.705 ± 0.124	−0.710 ± 0.110	−0.106 ± 0.023	−0.106 ± 0.021	−0.809 ± 0.176	−0.841 ± 0.167	−0.708 ± 0.121	2012-01-24	2014-01-18
08	Rhaetian Alps East	220.4	95.0	−0.638 ± 0.072	−0.671 ± 0.065	−0.148 ± 0.029	−0.149 ± 0.026	−0.739 ± 0.147	−0.770 ± 0.134	−0.662 ± 0.111	2011-12-23	2013-12-26
09	Rhaetian Alps South	126.6	91.8	−0.749 ± 0.081	−0.725 ± 0.072	−0.096 ± 0.017	−0.091 ± 0.015	−0.831 ± 0.152	−0.814 ± 0.138	−0.723 ± 0.111	2012-03-20	2014-03-26
10	Tauern Alps West	211.2	90.1	−0.545 ± 0.132	−0.526 ± 0.120	−0.124 ± 0.035	−0.117 ± 0.031	−0.660 ± 0.185	−0.635 ± 0.168	−0.557 ± 0.132	2012-02-21	2014-03-21
A	French Alps	245.9	76.1	−0.705 ± 0.141	−0.650 ± 0.109	−0.177 ± 0.041	−0.159 ± 0.033	−0.820 ± 0.193	−0.767 ± 0.162	−0.636 ± 0.130	2012-01-24	2014-04-14
B	Italian Alps	455.1	84.4	−0.567 ± 0.110	−0.528 ± 0.100	−0.263 ± 0.058	−0.240 ± 0.052	−0.628 ± 0.141	−0.596 ± 0.131	−0.524 ± 0.104	2012-02-25	2014-02-27
C	Swiss Alps	1087.8	86.7	−0.663 ± 0.083	−0.659 ± 0.070	−0.727 ± 0.137	−0.706 ± 0.119	−0.741 ± 0.141	−0.732 ± 0.125	−0.643 ± 0.100	2012-02-20	2014-02-27
D	Austrian Alps	403.9	92.7	−0.597 ± 0.111	−0.609 ± 0.104	−0.254 ± 0.061	−0.250 ± 0.054	−0.709 ± 0.171	−0.718 ± 0.157	−0.629 ± 0.127	2011-12-23	2013-12-26
I	Western Alps	1474.4	83.6	−0.627 ± 0.087	−0.606 ± 0.071	−0.931 ± 0.178	−0.877 ± 0.151	−0.700 ± 0.135	−0.676 ± 0.118	−0.582 ± 0.094	2012-02-20	2014-02-27
II	Eastern Alps	719.0	91.2	−0.646 ± 0.107	−0.648 ± 0.099	−0.474 ± 0.101	−0.465 ± 0.091	−0.737 ± 0.158	−0.744 ± 0.147	−0.647 ± 0.115	2012-01-13	2013-12-26
Alps total		2193.4	86.1	−0.633 ± 0.094	−0.620 ± 0.080	−1.405 ± 0.279	−1.342 ± 0.242	−0.712 ± 0.143	−0.698 ± 0.128	−0.603 ± 0.101	2012-02-08	2014-02-05

Glacier volumes are converted to mass with an average density of 850 kg m⁻³. Area measured mean is the average regional coverage of glacier areas in percent by TanDEM-X and SRTM during 2000–2012 and 2000–2014. Specific mass changes based on glacier areas from Randolph Glacier Inventory V6.0²⁷ are also provided. TanDEM-X dates refer to the regional median date of all TanDEM-X measurements covering glacierized areas.

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