| Validation Status |
The VIIRS based product has not been validated, but the algorithm behind it (applied to nearly corresponding sensors) has undergone extensive validation. We refer here to the description of GlobSnow SE product (Metsämäki et al., 2015) where some validation is presented and to the actual the validation report from GlobSnow product (available on request from Kari Luojus, FMI).
Metsämäki, S., Pulliainen, J., Salminen, M., Luojus, K., Wiesmann, A., Solberg, R., Böttcher, K., Hiltunen, M. and Ripper, E., "Introduction to GlobSnow Snow Extent products with considerations for accuracy assessment", Remote Sensing of Environment, Vol. 156, January 2015, pp. 96-108, doi: 10.1016/j.rse.2014.09.018.
Bippus, G., Nagler, T., Ripper, E., Hüsler, F., Wunderle, S., Metsämäki, S., Böttcher, K., Foppa, N., Fontana, F., Schöner, W., Unger, R., Malnes, E., Hindberg, H., Solberg, R., Due Trier, O., Luojus, K., Hiltunen, M., Pulliainen, J. and Pinnock, S. (2014): Full Snow Extent Validation and Intercomparison Report. ESA DUE GlobSnow-2, Del. 21. Publication in preparation.
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| User Guide |
The description of the NH FSC product is in preparation. The description to the legacy FSC product, which is applicable for most parts is available here:
http://www.globsnow.info/se/GlobSnow2_SE_SWE_Product_User_Guide_v1_r1.pdf
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| Algorithm Theoretical Basis Document |
The algorithm is described in:
Metsämäki, S., Pulliainen, J., Salminen, M., Luojus, K., Wiesmann, A., Solberg, R., Böttcher, K., Hiltunen, M. and Ripper, E., "Introduction to GlobSnow Snow Extent products with considerations for accuracy assessment", Remote Sensing of Environment, Vol. 156, January 2015, pp. 96-108, doi: 10.1016/j.rse.2014.09.018.
Additional information regarding the algorithm can also be found in the User Guide.
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| Spatial Coverage & Resolution |
| Northern Hemisphere
Spatial resolution: 1000m, (in future 500m)
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| Temporal Coverage & Resolution |
| Daily product, Weekly and Monthly aggregate products |
| Platform(s) |
| Suomi NPP |
| Sensor(s) |
| VIIRS |
| Data Format (s) |
| NetCDF, GeoTIFF |
| Version |
| V1.0 |
| Producers |
| FMI and SYKE |
| Data Policy |
| Data are provided free of charge during the project period for non-commercial usage |
| Access |
Products will be provided through the FMIARC GeoPortal.
Available via http, wms and wcs.
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