Articles | Volume 19, issue 3
https://doi.org/10.5194/tc-19-1279-2025
https://doi.org/10.5194/tc-19-1279-2025
Research article
 | 
17 Mar 2025
Research article |  | 17 Mar 2025

Do we still need reflectance? From radiance to snow properties in mountainous terrain: a case study with the EMIT imaging spectrometer

Niklas Bohn, Edward H. Bair, Philip G. Brodrick, Nimrod Carmon, Robert O. Green, Thomas H. Painter, and David R. Thompson

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Brief communication: Not as dirty as they look, flawed airborne and satellite snow spectra
Edward H. Bair, Dar A. Roberts, David R. Thompson, Philip G. Brodrick, Brenton A. Wilder, Niklas Bohn, Christopher J. Crawford, Nimrod Carmon, Carrie M. Vuyovich, and Jeff Dozier
The Cryosphere, 19, 2315–2320, https://doi.org/10.5194/tc-19-2315-2025,https://doi.org/10.5194/tc-19-2315-2025, 2025
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Cited articles

Aoki, T., Fukabori, M., Hachikubo, A., Tachibana, Y., and Nishio, F.: Effects of snow physical parameters on spectral albedo and bidirectional reflectance of snow surface, J. Geophys. Res.-Atmos., 105, 10219–10236, https://doi.org/10.1029/2003JD003506, 2000. a
Bair, E. H., Stillinger, T., and Dozier, J.: Snow Property Inversion From Remote Sensing (SPIReS): a generalized multispectral unmixing approach with examples from MODIS and landsat 8 OLI, IEEE T. Geosci. Remote, 59, 7270–7284, https://doi.org/10.1109/TGRS.2020.3040328, 2021. a
Bair, E. H., Roberts, D. A., Thompson, D. R., Brodrick, P. G., Wilder, B. A., Bohn, N., Crawford, C. J., Carmon, N., Vuyovich, C. M., and Dozier, J.: Brief communication: Not as dirty as they look, flawed airborne and satellite snow spectra, EGUsphere [preprint], https://doi.org/10.5194/egusphere-2024-1681, 2024. a, b
Balkanski, Y., Schulz, M., Claquin, T., and Guibert, S.: Reevaluation of Mineral aerosol radiative forcings suggests a better agreement with satellite and AERONET data, Atmos. Chem. Phys., 7, 81–95, https://doi.org/10.5194/acp-7-81-2007, 2007. a
Berk, A. and Hawes, F.: Validation of MODTRAN6 and its line-by-line algorithm, J. Quant. Spectrosc. Ra., 203, 542–556, https://doi.org/10.1016/j.jqsrt.2017.03.004, 2017. a
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Short summary
A new type of Earth-observing satellite is measuring reflected sunlight in all its colors. These measurements can be used to characterize snow properties, which give us important information about climate change. In our work, we emphasize the difficulties of obtaining these properties from rough mountainous regions and present a solution to the problem. Our research was inspired by the growing number of new satellite technologies and the increasing challenges associated with climate change.
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