Abstract
Glaciers have strongly contributed to sea-level rise during the past century and will continue to be an important part of the sea-level budget during the twenty-first century. Here, we review the progress in estimating global glacier mass change from in situ measurements of mass and length changes, remote sensing methods, and mass balance modeling driven by climate observations. For the period before the onset of satellite observations, different strategies to overcome the uncertainty associated with monitoring only a small sample of the world’s glaciers have been developed. These methods now yield estimates generally reconcilable with each other within their respective uncertainty margins. Whereas this is also the case for the recent decades, the greatly increased number of estimates obtained from remote sensing reveals that gravimetry-based methods typically arrive at lower mass loss estimates than the other methods. We suggest that strategies for better interconnecting the different methods are needed to ensure progress and to increase the temporal and spatial detail of reliable glacier mass change estimates.
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© 2017 Springer International Publishing AG
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Marzeion, B., Champollion, N., Haeberli, W., Langley, K., Leclercq, P., Paul, F. (2017). Observation-Based Estimates of Global Glacier Mass Change and Its Contribution to Sea-Level Change. In: Cazenave, A., Champollion, N., Paul, F., Benveniste, J. (eds) Integrative Study of the Mean Sea Level and Its Components. Space Sciences Series of ISSI, vol 58. Springer, Cham. https://doi.org/10.1007/978-3-319-56490-6_6
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DOI: https://doi.org/10.1007/978-3-319-56490-6_6
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Publisher Name: Springer, Cham
Print ISBN: 978-3-319-56489-0
Online ISBN: 978-3-319-56490-6
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