How robust are in situ observations for validating satellite‐derived albedo over the dark zone of the Greenland Ice Sheet?

Calibration and validation of satellite‐derived ice sheet albedo data require high‐quality, in situ measurements commonly acquired by up and down facing pyranometers mounted on automated weather stations (AWS). However, direct comparison between ground and satellite‐derived albedo can only be justif...

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Veröffentlicht in:	Geophysical research letters 2017-06, Vol.44 (12), p.6218-6225
Hauptverfasser:	Ryan, J. C., Hubbard, A., Irvine‐Fynn, T. D., Doyle, S. H., Cook, J. M., Stibal, M., Box, J. E.
Format:	Artikel
Sprache:	eng
Schlagworte:	Ablation Actinometers Albedo Albedo (solar) automated weather stations Automation Bare ice Climatology Crevasses Digital imaging Footprints Glaciation Greenland Ice Sheet Heterogeneity High resolution Ice Image acquisition Image resolution Imagery Impurities In situ measurement Instruments Length Measurement MODIS Patchiness Pixels Products Pyranometers Reflectance remote sensing Satellite imagery Satellite observation Satellite-borne instruments Satellites Snow Spatial heterogeneity Statistical analysis Statistical methods Surface water UAV Uncertainty Unmanned aerial vehicles Variability Weather Weather stations
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