Articles | Volume 20, issue 5
https://doi.org/10.5194/tc-20-2703-2026
https://doi.org/10.5194/tc-20-2703-2026
Research article
 | 
08 May 2026
Research article |  | 08 May 2026

A spatiotemporal analysis of errors in InSAR SWE measurements caused by non-snow phase changes

Ross Palomaki, Zachary Hoppinen, and Hans-Peter Marshall

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Short summary
The recently-launched NISAR satellite has potential to provide new measurements of the water stored in seasonal snow, but various non-snow factors can introduce error into these new measurements. We analyzed the effects of six non-snow errors and found that impacts from the ionosphere on NISAR phase data must be addressed for accurate snow measurements. Other non-snow factors can have partially offsetting effects on snow measurements, depending on environmental properties at a particular site.
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