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Official Journal of the Asia Oceania Geosciences Society (AOGS)

Table 3 Comparisons of yearly means and water level increases acquired by combining ICESat-2 and GEDI between in situ data for four lakes

From: Performance evaluation of combining ICESat-2 and GEDI laser altimetry missions for inland lake level retrievals

Lakes Yearly change Estimated lake level (m) In situ lake level (m)
2018 2019 2020 2021 2018 2019 2020 2021
Chaohu Mean 7.85 7.38 7.86 7.50 9.08 8.90 9.42 8.93
Increase   − 0.47 0.48 − 0.35   − 0.19 0.53 − 0.50
Hongze Mean 12.42 12.25 12.45 12.99 12.58 12.32 12.43 13.00
Increase   − 0.17 0.20 0.54   − 0.26 0.15 0.53
Gaoyou Mean 5.97 5.58 5.76 / 6.19 5.71 6.01 /
Increase   − 0.39 0.18 /   − 0.47 0.30 /
Taihu Mean 1.54 1.56 1.72 1.36 3.32 3.31 3.47 3.20
Increase   0.02 0.16 − 0.36   − 0.01 0.16 − 0.27