Snow Cover—Processes, Changes, Connections

A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Climatology".

Deadline for manuscript submissions: closed (15 October 2021) | Viewed by 3320

Special Issue Editors


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Guest Editor
Faculty of Natural Sciences, Institute of Earth Sciences, University of Silesia in Katowice, 41-200 Sosnowiec, Poland
Interests: climatology; climate change; snow cover; atmospheric circulation; centers of atmospheric action; bioclimatology

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Guest Editor
Department of Meteorology and Climatology, Adam Mickiewicz University, 61-712 Poznan, Poland
Interests: snow cover; upwelling; macro-scale circulation types; atmospheric circulation; climate change
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Special Issue Information

Dear Colleagues,

Snow cover has great importance in the Earth's environment affecting radiation balance and water budget. It is a key factor in the feedback loop that explains global warming: shorter snow cover duration → lower albedo → higher temperature → shorter snow cover duration → ... Nevertheless, we have not yet learned the full details of either the mechanisms and processes within snow cover itself, or the relationship of snow cover with other climate and environmental elements. This Special Issue will collect and present the latest research on these snow cover mechanisms, processes, and connections in different regions of the world.

This Special Issue invites articles on the following:

  • Properties and processes relating to snow cover, including physical and chemical properties, ablation, accumulation, sublimation, subsidence, snow deflation, etc.
  • Long-term changes of area, duration, and depth of snow cover and snow water equivalent
  • direct and indirect connections, teleconnections, and feedbacks of snow cover and atmospheric circulation, climate elements, environmental elements, etc.

The issue will present aspects of snow cover at different spatial scales, including small geographical regions, continents, hemispheres, and the Earth.

Dr. Małgorzata Falarz
Prof. Dr. Ewa Bednorz
Guest Editors

Manuscript Submission Information

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Keywords

  • climate
  • snow cover
  • processes
  • ablation
  • accumulation
  • climate change
  • connections
  • meteorology
  • climatology

Published Papers (1 paper)

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8 pages, 2240 KiB  
Technical Note
Application of a Cloud Removal Algorithm for Snow-Covered Areas from Daily MODIS Imagery over Andes Mountains
by Cristian Mattar, Rodrigo Fuster and Tomás Perez
Atmosphere 2022, 13(3), 392; https://doi.org/10.3390/atmos13030392 - 26 Feb 2022
Cited by 4 | Viewed by 2654
Abstract
Snow cover area is dramatically decreasing across the Los Andes Mountains and the most relevant water reservoir under drought conditions. In this sense, monitoring of snow cover is key to analyzing the hydrologic balance in snowmelt-driven basins. MODIS Snow Cover daily products (MOD10A1 [...] Read more.
Snow cover area is dramatically decreasing across the Los Andes Mountains and the most relevant water reservoir under drought conditions. In this sense, monitoring of snow cover is key to analyzing the hydrologic balance in snowmelt-driven basins. MODIS Snow Cover daily products (MOD10A1 and MYD10A1) allow snow cover to be monitored at regular time intervals and in large areas, although the images often are affected by cloud cover. The main objective of this technical note is to evaluate the application of an algorithm to remove cloud cover in MODIS snow cover imagery in the Chilean Andes mountains. To this end, the northern region of Chile (Pulido river basin) during the period between December 2015 and December 2016 was selected. Results were validated against meteorological data from a ground station. The cloud removal algorithm allowed the overall cloud cover to be reduced from 26.56% to 7.69% in the study area and a snow cover mapping overall accuracy of 86.66% to be obtained. Finally, this work allows new cloud-free snow cover imagery to be produced for long term analysis and hydrologic models, reducing the lack of data and improving the daily regional snow mapping. Full article
(This article belongs to the Special Issue Snow Cover—Processes, Changes, Connections)
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