Brun, F., Dumont, M., Wagnon, P., Berthier, E., Azam, M. F., Shea, J. M., Sirguey, P., Rabatel, A., and Ramanathan, Al.: Seasonal changes in surface albedo of Himalayan glaciers from MODIS data and links with the annual mass balance, The Cryosphere, 9, 341–355, https://doi.org/10.5194/tc-9-341-2015, 2015.
Charalampidis, C., Fischer, A., Kuhn, M., Lambrecht, A., Mayer, C.,
Thomaidis, K., and Weber, M.: Mass-budget anomalies and geometry signals of
three Austrian glaciers, Front. Earth Sci., 6, 218, https://doi.org/10.3389/feart.2018.00218, 2018.
Claverie, M., Ju, J., Masek, J. G., Dungan, J. L., Vermote, E. F., Roger, J. C.,
Skakun, S. V., and Justice, C.: The Harmonized Landsat and Sentinel-2 surface
reflectance data set, Remote Sens. Environ., 219, 145–161, 2018.
Di Mauro, B., Baccolo, G., Garzonio, R., Giardino, C., Massabò, D., Piazzalunga, A., Rossini, M., and Colombo, R.: Impact of impurities and cryoconite on the optical properties of the Morteratsch Glacier (Swiss Alps), The Cryosphere, 11, 2393–2409, https://doi.org/10.5194/tc-11-2393-2017, 2017.
Di Mauro, B., Garzonio, R., Baccolo, G., Franzetti, A., Pittino, F., Leoni,
B., Remias, D., Colombo, R., and Rossini, M.: Glacier algae foster ice-albedo
feedback in the European Alps, Sci. Rep., 10, 1–9, 2020.
Dumont, M., Brun, E., Picard, G., Michou, M., Libois, Q., Petit, J. R.,
Geyer, S., and Josse, B.: Contribution of light-absorbing impurities in snow
to Greenland's darkening since 2009, Nat. Geosci., 7, 509–512, 2014.
Fischer, A.: Comparison of direct and geodetic mass balances on a multi-annual time scale, The Cryosphere, 5, 107–124, https://doi.org/10.5194/tc-5-107-2011, 2011.
Fischer, A., Helfricht, K., Wiesenegger, H., Hartl, L., Seiser, B., and
Stocker-Waldhuber, M.: What Future for Mountain Glaciers?
Insights and Implications From Long-Term Monitoring in the Austrian Alps, chap. 9,
in: Developments in Earth Surface Processes, edited by: Greenwood, G. B.
and Shroder, J. F., Elsevier, 21, 325–382, 2016.
Fischer, A., Markl, G., and Kuhn, M.: Glacier mass balances and elevation
zones of Jamtalferner, Silvretta, Austria, 1988/1989 to 2016/2017, Institut
für Interdisziplinäre Gebirgsforschun
g der Österreichischen
Akademie der Wissenschaften, Innsbruck, PANGAEA, https://doi.org/10.1594/PANGAEA.818772, 2016.
Fischer, A., Fickert, T., Schwaizer, G., Patzelt, G., and Groß, G.:
Vegetation dynamics in Alpine glacier forelands tackled from space,
Sci. Rep., 9, 1–13, 2019.
Gabbi, J., Huss, M., Bauder, A., Cao, F., and Schwikowski, M.: The impact of Saharan dust and black carbon on albedo and long-term mass balance of an Alpine glacier, The Cryosphere, 9, 1385–1400, https://doi.org/10.5194/tc-9-1385-2015, 2015.
Gardner, A. S. and Sharp, M. J.: A review of snow and ice albedo and the
development of a new physically based broadband albedo parameterization,
J. Geophys. Res.-Earth Surf., 115, F01009, https://doi.org/10.1029/2009JF001444, 2010.
GeoPandas developers: GeoPandas 0.8.0, available at:
https://geopandas.org/ (last access: 2020),
2013–2019.
Gillies, S. and others: Rasterio: Geospatial raster i/o for Python
programmers, Mapbox, available at:
https://github.com/mapbox/rasterio (last access: 2020), 2013.
Gorelick, N., Hancher, M., Dixon, M., Ilyushchenko, S., Thau, D., and Moore,
R.: Google Earth Engine: Planetary-scale geospatial analysis for everyone,
Remote Sens. Environ., 202, 18–27, 2017.
Greuell, W. and de Wildt, M. D. R.: Anisotropic reflection by melting glacier
ice: Measurements and parametrizations in Landsat TM bands 2 and 4, Remote
Sens. Environ., 70, 265–277, 1999.
Hall, D. K., Chang, A. T. C., Foster, J. L., Benson, C. S., and Kovalick, W.
M.: Comparison of in situ and Landsat derived reflectance of Alaskan
glaciers, Remote Sens. Environ., 28, 23–31, 1989.
Hall, D. K., Bindschadler, R. A., Foster, J. L., Chang, A. T. C., and
Siddalingaiah, H.: Comparison of in situ and satellite-derived reflectances
of Forbindels Glacier, Greenland, Remote Sensing, 11, 493–504, 1990.
Hartl, L., Felbauer, L., Schwaizer, G., Fischer, A.: Spectral reflectance of Jamtalferner ablation zone, PANGAEA, https://doi.org/10.1594/PANGAEA.915932, 2020.
Hendriksa, J., Pellikkaa, P., and Peltoniemib, J.: Estimation of anisotropic radiance
from a glacier surface-Ground based spectrometer measurements and
satellite-derived reflectances, in: Proceedings, 30th International Symposium
on Remote Sensing of Environment: Information for Risk Management and
Sustainable Development, Honolulu, Hawaii, 10–14 November 2003.
Hoinkes, H. and Wendler, G.: Der Anteil der Strahlung an der Ablation von
Hintereis-und Kesselwandferner (Ötztaler Alpen, Tirol) im Sommer 1958,
Arch. Meteor. Geophy. B,
16, 195–236, 1968.
Hunter, J. D.: Matplotlib: A 2D Graphics Environment, Comput. Sci.
Eng., 9, 90–95, 2007.
Jaffé, A.: Über Strahlungseigenschaften des Gletschereises, Arch. Meteor. Geophy. B, 10, 376–395, 1960.
Kääb, A., Winsvold, S. H., Altena, B., Nuth, C., Nagler, T., and
Wuite, J.: Glacier remote sensing using Sentinel-2. part I: Radiometric and
geometric performance, and application to ice velocity, Remote Sens.,
8, 598, https://doi.org/10.3390/rs8070598, 2016.
Klok, E. L., Greuell, W., and Oerlemans, J.: Temporal and spatial variation of
the surface albedo of Morteratschgletscher, Switzerland, as derived from 12
Landsat images, J. Glaciol., 49, 491–502, 2003.
Knap, W. H., Brock, B. W., Oerlemans, J., and Willis, I. C.: Comparison of
Landsat TM-derived and ground-based albedos of Haut Glacier d'Arolla,
Switzerland, Int. J. Remote Sens., 20, 3293–3310,
1999.
Koelemeijer, R., Oerlemans, J., and Tjemkes, S.: Surface reflectance of
Hintereisferner, Austria, from Landsat 5 TM imagery, Ann. Glaciol.,
17, 17–22, 1993.
Lee, Y.: SpecDAL Reference, available at:
https://specdal.readthedocs.io/en/latest/ (last access: September 2019), 2017.
Li, Z., Erb, A., Sun, Q., Liu, Y., Shuai, Y., Wang, Z., Boucher, P., and
Schaaf, C.: Preliminary assessment of 20-m surface albedo retrievals from
sentinel-2A surface reflectance and MODIS/VIIRS surface anisotropy measures,
Remote Sens. Environ., 217, 352–365, 2018.
Malinka, A., Zege, E., Heygster, G., and Istomina, L.: Reflective properties of white sea ice and snow, The Cryosphere, 10, 2541–2557, https://doi.org/10.5194/tc-10-2541-2016, 2016.
Main-Knorn, M., Pflug, B., Louis, J., Debaecker, V., Müller-Wilm, U.,
and Gascon, F.: Sen2Cor for Sentinel-2, in: Image and Signal Processing for
Remote Sensing XXIII, International Society for Optics and Photonics,
Warsaw, Poland, 11–13 September 2017, 1042704, 2017.
McKinney W.: Data structures for statistical computing in python, in:
Proceedings of the 9th Python in Science Conference 2010 Jun 28, Vol. 445,
51–56, 2010.
Nicholson, L. and Benn, D. I.: Properties of natural supraglacial debris in
relation to modelling sub-debris ice ablation, Earth Surf. Proc.
Land., 38, 490–501, 2012.
Ming, J., Du, Z., Xiao, C., Xu, X., and Zhang, D.: Darkening of the
mid-Himalaya glaciers since 2000 and the potential causes, Environ.
Res. Lett., 7, 014021, https://doi.org/10.1088/1748-9326/7/1/014021, 2012.
Ming, J., Wang, Y., Du, Z., Zhang, T., Guo, W., Xiao, C., Xu, X., Ding, M.,
Zhang, D., and Yang, W.: Widespread albedo decreasing and induced melting of
Himalayan snow and ice in the early 21st century, PLoS One, 10, e0126235, https://doi.org/10.1371/journal.pone.0126235,
2015.
Moller, M. and Moller, R.: Modeling glacier-surface albedo across Svalbard
for the 1979–2015 period: The HiRSvaC500-a data set, J. Adv. Model. Earth
Sy., 9, 404–422, 2017.
Naegeli, K., Damm, A., Huss, M., Schaepman, M., and Hoelzle, M.: Imaging
spectroscopy to assess the composition of ice surface materials and their
impact on glacier mass balance, Remote Sens. Environ., 168, 388–402,
2015.
Naegeli, K. and Huss, M.: Mass balance sensitivity of mountain glaciers to
changes in bare-ice albedo, Ann. Glaciol., 58, 119–129, 2017.
Naegeli, K., Damm, A., Huss, M., Wulf, H., Schaepman, M., and Hoelzle, M.:
Cross-Comparison of albedo products for glacier surfaces derived from
airborne and satellite (Sentinel-2 and Landsat 8) optical data, Remote
Sensing, 9, 110, https://doi.org/10.3390/rs9020110, 2017.
Naegeli, K., Huss, M., and Hoelzle, M.: Change detection of bare-ice albedo in the Swiss Alps, The Cryosphere, 13, 397–412, https://doi.org/10.5194/tc-13-397-2019, 2019.
Nicholson, L. and Benn, D. I.: Properties of natural supraglacial debris in relation to modelling sub‐debris ice ablation, Earth Surf. Proc. Land., 38, 490–501, 2013.
Nicodemus, F. E., Richmond, J. C., Hsia, J. J., Ginsberg, I. W., and Limperis,
T.: Geometrical considerations and nomenclature for reflectance, Vol. 160,
Washington, DC: US Department of Commerce, National Bureau of Standards,
1977.
Oerlemans, J., Giesen, R. H., and Van den Broeke, M. R.: Retreating alpine
glaciers: increased melt rates due to accumulation of dust (Vadret da
Morteratsch, Switzerland), J. Glaciol., 55, 729–736,
2009.
Painter, T. H., Flanner, M. G., Kaser, G., Marzeion, B., VanCuren, R. A.,
and Abdalati, W.: End of the Little Ice Age in the Alps forced by industrial
black carbon, P. Natl. Acad. Sci. USA, 110,
15216–15221, 2013.
Pandzić, M., Mihajlović, D., Pandzić, J., and Pfeifer, N.:
Assessment of the geometric quality of sentinel-2 data, in: XXIII ISPRS
Congress, Commission I, International Society for
Photogrammetry and Remote Sensing, 41, 489–494, 2016.
Paul, F., Machguth, H., and Kääb, A.: On the impact of glacier
albedo under conditions of extreme glacier melt: the summer of 2003 in the
Alps, EARSeL eProceedings, 4, 139–149, 2005.
Perry, M.: rasterstats, available at:
https://pythonhosted.org/rasterstats/index.html (last access: November 2020), 2015.
Qu, B., Ming, J., Kang, S.-C., Zhang, G.-S., Li, Y.-W., Li, C.-D., Zhao, S.-Y., Ji, Z.-M., and Cao, J.-J.: The decreasing albedo of the Zhadang glacier on western Nyainqentanglha and the role of light-absorbing impurities, Atmos. Chem. Phys., 14, 11117–11128, https://doi.org/10.5194/acp-14-11117-2014, 2014.
Richter, R. and Schläpfer, D.: Atmospheric/Topographic Correction for
Satellite Imagery: ATCOR-2/3 UserGuide, DLR IB 565-01/11, Wessling,
Germany, 2011.
Rhodes, B.: PyEphem, available at:
https://rhodesmill.org/pyephem/toc.html, last access: 10 November 2020.
Sauberer, F.: Versuche über spektrale Messungen der
Strahlungseigenschaften von Schnee und Eis mit Photoelementen, Meteorol. Z.,
55, 250–255, 1938.
Sauberer, F. and Dirmhirn, I.: Untersuchungen über die
Strahlungsverhältnisse auf den Alpengletschern, Arch. Meteor. Geophy. B, 3, 256–269, 1951.
Schaepman-Strub, G., Painter, T., Huber, S., Dangel, S., Schaepman, M. E.,
Martonchik, J., and Berendse, F.: About the importance of the definition of
reflectance quantities-results of case studies, in: Proceedings of the XXth
ISPRS Congress, 361–366, 2004.
Schaepman-Strub, G., Schaepman, M. E., Painter, T. H., Dangel, S., and
Martonchik, J. V.: Reflectance quantities in optical remote
sensing – Definitions and case studies, Remote Sens. Rnviron.,
103, 27–42, 2006.
Shuai, Y., Masek, J. G., Gao, F., and Schaaf, C. B.: An algorithm for the
retrieval of 30-m snow-free albedo from Landsat surface reflectance and
MODIS BRDF, Remote Sens. Environ., 115, 2204–2216, 2011.
U.S. Geological Survey: Landsat 8 Collection 1 (C1) Land Surface Reflectance
Code (LaSRC) Product Guide Version 3.0, available at:
https://www.usgs.gov/media/files/landsat-8-collection-1-land-surface-reflectance-code-product-guide, last access: 17 September 2020.
van As, D., Fausto, R. S., Colgan, W. T., and Box, J. E.: Darkening of the
Greenland ice sheet due to the melt albedo feedback observed at PROMICE
weather stations, Geological Survey of Denmark and Greenland (GEUS) Bulletin,
28, 69–72, 2013.
Van de Wal, R. S. W., Oerlemans, J., and Van der Hage, J. C.: A study of
ablation variations on the tongue of Hintereisferner, Austrian Alps, J. Glaciol., 38, 319–324, 1992.
Vermote, E., Justice, C., Claverie, M., and Franch, B.: Preliminary analysis
of the performance of the Landsat 8/OLI land surface reflectance product,
Remote Sens. Environ., 185, 46–56, 2016.
Winther, J. G.: Landsat TM derived and in situ summer reflectance of
glaciers in Svalbard, Polar Res., 12, 37–55, 1993.
Wu, X., Wen, J., Xiao, Q., You, D., Lin, X., Wu, S., and Zhong, S.: Impacts
and Contributors of Representativeness Errors of In Situ Albedo Measurements
for the Validation of Remote Sensing Products, IEEE T.
Geosci. Remote, 57, 9740–9755, 2019.
Zemp, M., Frey, H., Gärtner-Roer, I., Nussbaumer, S. U., Hoelzle, M.,
Paul, F., Haeberli, W., Denzinger, F., Ahlstrøm, A. P., Anderson, B., and
Bajracharya, S.: Historically unprecedented global glacier decline in the
early 21st century, J. Glaciol., 61, 745–762, 2015.
Zemp, M., Huss, M., Thibert, E., Eckert, N., McNabb, R., Huber, J.,
Barandun, M., Machguth, H., Nussbaumer, S. U., Gärtner-Roer, I., and
Thomson, L.: Global glacier mass changes and their contributions to
sea-level rise from 1961 to 2016, Nature, 568, 382–386, 2019.
Zeng, Q., Cao, M., Feng, X., Liang, F., Chen, X., and Sheng, W.: A study of
spectral reflection characteristics for snow, ice and water in the north of
China, Hydrological applications of remote sensing and remote data
transmission, 145, 451–462, 1984.