Goetz and Brenning (2019): Quantifying uncertainties in snow depth mapping from structure from motion photogrammetry in an alpine area. Water Resources Research, doi: 10.1029/2019WR025251.
Filhol et al. (2019): Time-lapse Photogrammetry of Distributed Snowdepth During Snowmelt. Water Resources Research, doi: 10.1029/2018WR024530. Ground-based, oblique with 3 cameras - easy in concept, but the details are complex. They make a good point: usually we either have high-frequency time series from point measurements or sporadic spatial data from satellites, UAVs, etc. Their approach tries to bridge that gap.
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