Table 2.

Mass balance (dM = SMB − D) and anomaly in ice discharge dD = SMB19792008 − D for West Antarctica, Antarctica Peninsula, East Antarctica, and Antarctica over decadal time scales from 1979–2017 in billions of tons per year and total contribution to SLR in millimeters (1 mm = 360 Gt/y)

dM, dD1979–1989, Gt/y1989–1999, Gt/y1999–2009, Gt/y2009–2017, Gt/y1979–2017, mm
West Antarctica−11.9 ± 3−34.0 ± 4−55.6 ± 5−158.7 ± 86.9 ± 0.6
−9.9 ± 2−23.7 ± 3−70.6 ± 4−131.9 ± 6
Peninsula−16.0 ± 2−6.2 ± 3−29.1 ± 3−41.8 ± 52.5 ± 0.4
−7.6 ± 1−12.1 ± 2−31.3 ± 2−45.1 ± 3
East Antarctica−11.4 ± 4−9.2 ± 7−81.8 ± 9−51.0 ± 134.4 ± 0.9
−34.5 ± 3−43.3 ± 5−28.2 ± 6−36.7 ± 9
Antarctica−40.0 ± 9−49.6 ± 14−165.8 ± 18−251.9 ± 2713.9 ± 2.0
−52.0 ± 7−79.3 ± 11−130.2 ± 13−213.9 ± 20