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Earth System Science Data
Articles | Volume 14, issue 9
Articles | Volume 14, issue 9
https://doi.org/10.5194/essd-14-3889-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/essd-14-3889-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 14, issue 9
Data description article
 | 
01 Sep 2022
Data description article |  | 01 Sep 2022

A new global dataset of mountain glacier centerlines and lengths

Dahong Zhang, Gang Zhou, Wen Li, Shiqiang Zhang, Xiaojun Yao, and Shimei Wei

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Abrams, M., Crippen, R., and Fujisada, H.: ASTER Global Digital Elevation Model (GDEM) and ASTER Global Water Body Dataset (ASTWBD), Remote Sensing, 12, 1156, https://doi.org/10.3390/rs12071156, 2020. 
Aciego, S. M., Stevenson, E. I., and Arendt, C. A.: Climate versus geological controls on glacial meltwater micronutrient production in southern Greenland, Earth Planet. Sc. Lett., 424, 51–58, https://doi.org/10.1016/j.epsl.2015.05.017, 2015. 
Carabajal, C. C. and Boy, J. P.: Evaluation of Aster Gdem V3 Using Icesat Laser Altimetry, Int. Arch. Photogramm., XLI-B4, 117–124, https://doi.org/10.5194/isprsarchives-XLI-B4-117-2016, 2016. 
Carrera-Hernández, J. J.: Not all DEMs are equal: An evaluation of six globally available 30 m resolution DEMs with geodetic benchmarks and LiDAR in Mexico, Remote Sens. Environ., 261, 112474, https://doi.org/10.1016/j.rse.2021.112474, 2021. 
Fan, Y., Ke, C.-Q., and Shen, X.: A new Greenland digital elevation model derived from ICESat-2 during 2018–2019, Earth Syst. Sci. Data, 14, 781–794, https://doi.org/10.5194/essd-14-781-2022, 2022. 
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The length of a glacier is a key determinant of its geometry; glacier centerlines are crucial inputs for many glaciological applications. Based on the European allocation theory, we present a new global dataset that includes the centerlines and lengths of 198 137 mountain glaciers. The accuracy of the glacier centerlines was 89.68 %. The constructed dataset comprises 17 sub-datasets which contain the centerlines and lengths of glacier tributaries.
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