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Braun, Matthias Holger; Malz, Philipp; Sommer, Christian; Farías-Barahona, David; Sauter, Tobias; Casassa, Gino; Soruco, Alvaro; Skvarca, Pedro; Seehaus, Thorsten (2018): Annual glacier elevation change rate raster dataset, South American Andes 2000 and 2011-2015 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.893612, Supplement to: Braun, MH et al. (2019): Constraining glacier elevation and mass changes in South America. Nature Climate Change, https://doi.org/10.1038/s41558-018-0375-7

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Abstract:
Excluding the large ice sheets of Greenland and Antarctica, glaciers in South America are large contributors to sea-level rise. Their rates of mass loss, however, are poorly known. Here, using repeat bi-static synthetic aperture radar interferometry over the years 2000 to 2011/2015, we compute continent-wide, glacier-specific elevation and mass changes for 85% of the glacierized area of South America. Mass loss rate is calculated to be 19.43 ± 0.60 Gt a−1 from elevation changes above ground, sea or lake level, with an additional 3.06 ± 1.24 Gt a−1 from subaqueous ice mass loss not contributing to sea-level rise. The largest contributions come from the Patagonian icefields, where 83% mass loss occurs, largely from dynamic adjustments of large glaciers. These changes contribute 0.054 ± 0.002 mm a−1 to sea-level rise. In comparison with previous studies, tropical and out-tropical glaciers — as well as those in Tierra del Fuego — show considerably less ice loss. These results provide basic information to calibrate and validate glacier-climate models and also for decision-makers in water resource management.
Coverage:
Median Latitude: -27.000000 * Median Longitude: -71.545455 * South-bound Latitude: -55.000000 * West-bound Longitude: -75.000000 * North-bound Latitude: 0.000000 * East-bound Longitude: -65.000000
Comment:
The product is derived from differencing of TanDEM-X and SRTM Digital Elevation Models. All TanDEM-X products were processed by the authors
License:
Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported (CC-BY-NC-SA-3.0)
Size:
11 datasets

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Datasets listed in this publication series

  1. Braun, MH; Malz, P; Sommer, C et al. (2018): 01. Annual glacier elevation change rate raster dataset, South American Andes, Inner Tropics (Ecuador-Venezuela) 2000 and 2011-2015. https://doi.org/10.1594/PANGAEA.893610
  2. Braun, MH; Malz, P; Sommer, C et al. (2018): 02. Annual glacier elevation change rate raster dataset, South American Andes, Outer Tropics (Peru) 2000 and 2011-2015. https://doi.org/10.1594/PANGAEA.893604
  3. Braun, MH; Malz, P; Sommer, C et al. (2018): 03. Annual glacier elevation change rate raster dataset, South American Andes, Outer Tropics (Bolivia) 2000 and 2011-2015. https://doi.org/10.1594/PANGAEA.893605
  4. Braun, MH; Malz, P; Sommer, C et al. (2018): 04. Annual glacier elevation change rate raster dataset, South American Andes, Outer Tropics (Peru-Bolivia) 2000 and 2011-2015. https://doi.org/10.1594/PANGAEA.893606
  5. Braun, MH; Malz, P; Sommer, C et al. (2018): 05. Annual glacier elevation change rate raster dataset, South American Andes, Dessert Andes 2000 and 2011-2015. https://doi.org/10.1594/PANGAEA.893599
  6. Braun, MH; Malz, P; Sommer, C et al. (2018): 06. Annual glacier elevation change rate raster dataset, South American Andes, Central Andes 2000 and 2011-2015. https://doi.org/10.1594/PANGAEA.893594
  7. Braun, MH; Malz, P; Sommer, C et al. (2018): 07. Annual glacier elevation change rate raster dataset, South American Andes, Lake District 2000 and 2011-2015. https://doi.org/10.1594/PANGAEA.893602
  8. Braun, MH; Malz, P; Sommer, C et al. (2018): 08. Annual glacier elevation change rate raster dataset, South American Andes, Patagonia North 2000 and 2011-2015. https://doi.org/10.1594/PANGAEA.893603
  9. Braun, MH; Malz, P; Sommer, C et al. (2018): 09. Annual glacier elevation change rate raster dataset, South American Andes, Patagonia South 2000 and 2011-2015. https://doi.org/10.1594/PANGAEA.893740
  10. Braun, MH; Malz, P; Sommer, C et al. (2018): 10. Annual glacier elevation change rate raster dataset, South American Andes, Gran Campo Nevado and Isla Riesco 2000 and 2011-2015. https://doi.org/10.1594/PANGAEA.893600
  11. Braun, MH; Malz, P; Sommer, C et al. (2018): 11. Annual glacier elevation change rate raster dataset, South American Andes, Tierra del Fuego 2000 and 2011-2015. https://doi.org/10.1594/PANGAEA.893611