Table 1 Record of ice surface elevation change over subglacial lakes in Fig. 2

From: Detection of 85 new active subglacial lakes in Antarctica from a decade of CryoSat-2 data

Subglacial lake name

Lat. (°N)

Lon. (°E)

Mean area (km2)

Maximum SEC (m)

Volume change estimate (km3)

Activity log, 2010-2020

Borchgrevink 198

−72.57

21.48

67

−6.0 ± 0.1

-0.47 ± 0.008

2011–2015 drainage, 2016–2020 fill

King Baudouin East 3

−70.64

28.94

16

−7.0 ± 0.7

-

2013–2016 & 2018–2020 drainage, 2016–2018 fill

Mellor 112

−74.33

66.16

76

−3.0 ± 0.1

−0.18 ± 0.006

2011–2013 & 2018–2020 drainage, 2013–2014 fill

Totten 52

−67.58

112.62

42

−8.4 ± 0.3

−0.38 ± 0.014

2010–2013 & 2017–2018 drainage, 2013–2017 & 2018–2020 fill

Moscow University 44

−67.67

118.07

115

+9.1 ± 0.3

-

2010–2012 & 2016–2017 drainage, 2012–2016 & 2017–2020 fill

Cook West 67

−69.21

150.20

219

-5.7 ± 0.1

−1.31 ± 0.023

2010−2011 & 2016−2020 fill, 2012−2016 drainage

David 180

−74.43

155.52

44

-4.0 ± 0.1

-

2010−2011 & 2015−2016 drainage, 2011−2015 & 2016−2020 fill

David 80

-75.17

157.93

96

-6.6 ± 0.3

-0.62 ± 0.028

2010−2012 fill, 2012−2020 drainage

Byrd 10

−80.51

157.64

155

+5.0 ± 0.1

+0.98 ± 0.20

2010–2011 & 2016–2020 drainage, 2011–2016 fill

Mill 165

−85.61

170.47

26

−3.6 ± 0.1

−0.13 ± 0.004

2010–2013 & 2016–2020 fill, 2013–2015 drainage

Scott 12

−85.56

−152.72

46

+4.2 ± 0.1

-

2010–2013 & 2014–2016 fill & 2018–2020 fill, 2013–2014 & 2016–2018 drainage

Whillans 180

−83.53

−140.06

137

+2.5 ± 0.05

+0.45 ± 0.009

2011–2013 & 2015–2016 & 2019–2020 fill, 2013–2017 & 2016–2019 drainage

Thwaites 124

−76.48

−106.95

346

+8 ± 0.1

-

2013–2015 drainage, 2015–2018 fill

Support Force 3

−85.56

−152.72

32

+3.2 ± 0.2

-

2010–2015 drainage, 2015–2020 fill

  1. Data summary of 13 subglacial lakes from this study, with Thwaites 124 subglacial lake for comparison26,28. The subglacial lake naming convention uses the glacier they are located beneath and distance from the grounding line in kilometres41,42. In the absence of named glaciers, corresponding ice shelf names are used for nomenclature. Periods of activity highlighted in bold indicate when corresponding maximum surface elevation change (SEC) is recorded, and volume change estimates are computed. Blank volume estimates could not be accurately estimated, due to lake boundaries at least 2 years different from the period of filling or draining. Subglacial lake locations are shown on a map in Fig. 2, along with corresponding SEC maps and time series. Supplementary Table 1 documents all 85 subglacial lakes found in this study and their activity.
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