Articles | Volume 11, issue 4
https://doi.org/10.5194/tc-11-1781-2017
https://doi.org/10.5194/tc-11-1781-2017
Research article
 | 
01 Aug 2017
Research article |  | 01 Aug 2017

Impact of MODIS sensor calibration updates on Greenland Ice Sheet surface reflectance and albedo trends

Kimberly A. Casey, Chris M. Polashenski, Justin Chen, and Marco Tedesco

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Short summary
We analyzed Greenland Ice Sheet (GrIS) average summer surface reflectance and albedo (2001–2016). MODIS Collection 6 data show a decreased magnitude of change over time due to sensor calibration corrections. Spectral band maps provide insight into GrIS surface processes likely occurring. Correctly measuring albedo and surface reflectance changes over time is crucial to monitoring atmosphere–ice interactions and ice mass balance. The results are applicable to many long-term MODIS studies.