On the need for a time- and location-dependent estimation  of the NDSI threshold value for reducing existing  uncertainties in snow cover maps at different scales

Härer, Stefan; Bernhardt, Matthias; Siebers, Matthias; Schulz, Karsten

doi:https://doi.org/10.5194/tc-12-1629-2018

Articles | Volume 12, issue 5

https://doi.org/10.5194/tc-12-1629-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/tc-12-1629-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 12, issue 5

Research article

|

04 May 2018

Research article |

| 04 May 2018

On the need for a time- and location-dependent estimation of the NDSI threshold value for reducing existing uncertainties in snow cover maps at different scales

Stefan Härer, Matthias Bernhardt, Matthias Siebers, and Karsten Schulz

Download

Final revised paper (published on 04 May 2018)
Preprint (discussion started on 15 Sep 2017)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

- Printer-friendly version

- Supplement

RC1: 'Review of Härer et al.', Anonymous Referee #1, 16 Oct 2017
- AC1: 'Comments to referee 1', Matthias Bernhardt, 03 Feb 2018
RC2: 'Review', Simon Gascoin, 02 Nov 2017
- AC2: 'Comment to referee 2', Matthias Bernhardt, 03 Feb 2018

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Stefan Härer on behalf of the Authors (04 Mar 2018) Author's response Manuscript

ED: Referee Nomination & Report Request started (09 Mar 2018) by Guillaume Chambon

RR by Simon Gascoin (27 Mar 2018)

RR by Anonymous Referee #1 (28 Mar 2018)

ED: Publish subject to technical corrections (30 Mar 2018) by Guillaume Chambon

AR by Stefan Härer on behalf of the Authors (17 Apr 2018) Manuscript

Short summary

The paper presents an approach which can be used to process satellite-based snow cover maps with a higher-than-today accuracy at the local scale. Many of the current satellite-based snow maps are using the NDSI with a threshold as a tool for deciding if there is snow on the ground or not. The presented study has shown that, firstly, using the standard threshold of 0.4 can result in significant derivations at the local scale and that, secondly, the deviations become smaller for coarser scales.