Effect of small-scale snow surface roughness on snow albedo and reflectance

Manninen, Terhikki; Anttila, Kati; Jääskeläinen, Emmihenna; Riihelä, Aku; Peltoniemi, Jouni; Räisänen, Petri; Lahtinen, Panu; Siljamo, Niilo; Thölix, Laura; Meinander, Outi; Kontu, Anna; Suokanerva, Hanne; Pirazzini, Roberta; Suomalainen, Juha; Hakala, Teemu; Kaasalainen, Sanna; Kaartinen, Harri; Kukko, Antero; Hautecoeur, Olivier; Roujean, Jean-Louis

doi:https://doi.org/10.5194/tc-15-793-2021

Articles | Volume 15, issue 2

https://doi.org/10.5194/tc-15-793-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/tc-15-793-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 15, issue 2

Research article

|

17 Feb 2021

Research article |

| 17 Feb 2021

Effect of small-scale snow surface roughness on snow albedo and reflectance

Terhikki Manninen, Kati Anttila, Emmihenna Jääskeläinen, Aku Riihelä, Jouni Peltoniemi, Petri Räisänen, Panu Lahtinen, Niilo Siljamo, Laura Thölix, Outi Meinander, Anna Kontu, Hanne Suokanerva, Roberta Pirazzini, Juha Suomalainen, Teemu Hakala, Sanna Kaasalainen, Harri Kaartinen, Antero Kukko, Olivier Hautecoeur, and Jean-Louis Roujean

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Final revised paper (published on 17 Feb 2021)
Supplement to the final revised paper
Preprint (discussion started on 30 Jul 2020)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Comments of a reviewer 1', Alexander Kokhanovsky, 15 Sep 2020
- AC1: 'Answers to reviewer Kokhanovsky', Terhikki Manninen, 25 Nov 2020
SC1: 'A few comments', Ghislain Picard, 02 Oct 2020
- AC3: 'Answers to short comments by Ghislain Picard', Terhikki Manninen, 25 Nov 2020
RC3: 'Comments', Anonymous Referee #2, 06 Nov 2020
- AC2: 'Answers to reviewer #2', Terhikki Manninen, 25 Nov 2020
- AC4: 'Supplementary material asked for by reviewer #2', Terhikki Manninen, 25 Nov 2020

Peer-review completion

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

ED: Publish subject to minor revisions (review by editor) (17 Dec 2020) by Marco Tedesco

AR by Terhikki Manninen on behalf of the Authors (17 Dec 2020) Author's response Author's tracked changes Manuscript

ED: Publish as is (04 Jan 2021) by Marco Tedesco

AR by Terhikki Manninen on behalf of the Authors (11 Jan 2021) Author's response Manuscript

Short summary

The primary goal of this paper is to present a model of snow surface albedo (brightness) accounting for small-scale surface roughness effects. It can be combined with any volume scattering model. The results indicate that surface roughness may decrease the albedo by about 1–3 % in midwinter and even more than 10 % during the late melting season. The effect is largest for low solar zenith angle values and lower bulk snow albedo values.