CR5.1

The increasing availability of remotely sensed observations and computational capacity, drive modelling and observational glacier studies towards increasingly large spatial scales. These large scales are of particular relevance, as they impact policy decisions and public discourse. In the European Alps, for instance, glacier changes are important from a touristic perspective, while in High Mountain Asia, glaciers are a key in the region’s hydrological cycle. At a global scale, glaciers are among the most important contributors to present-day sea level change.

This session focuses on advances in observing and modelling mountain glaciers and ice caps at the regional to global scale. We invite both observation- and modelling-based contributions that lead to a more complete understanding of glacier changes and dynamics at such scales.

Contributions may include, but are not limited to, the following topics:
• Observation and modelling results revealing previously unappreciated regional differences in glacier changes or in their dynamics;
• Large-scale impact studies, including glaciers' contribution to sea level change, or changes in water availability from glacierized regions;
• Advances in regional- to global-scale glacier models, e.g. inclusion of physical processes such as ice dynamics, debris-cover effects, glacier calving, or glacier surging;
• Regional to global scale process-studies, based on remote sensing observations or meta-analyses of ground-based data;
• Innovative combinations of observation and modelling techniques, for example blending different remote sensing products, or integrating machine learning algorithms;
• Inverse modelling of subglacial characteristics or glacier ice thickness at regional scales.

Note that this session is organized as a PICO.

Public information:
1) The session will be fully virtual and will be based on "zoom" (https://zoom.us/).
2) The corresponding zoom-link will be posted through the session's chat as soon as the chat is open. You will be able to join the session by clicking on the corresponding link.
3) If you want to test zoom before that, visit https://zoom.us/test
4) The session will start with a brief introduction given by the conveners, who will then pass the word to the invited speaker, Michael Zemp.
5) The individual presenters will follow suite with 2-minute pitch talks -- very much as in a "normal PICO session! The sequence is given by the session's programme.
6) After the pitches, a "zoom break-out room" will be available for every presenter. "Break out rooms" are a video-conference environment for sub-sets of meeting attendees. Every participant will be able to choose the room (s)he is most interested in, and be able to visit different rooms if wished -- again, very much as in a normal PICO session!

We very much encourage to have a look at the individual displays before the start of the session and to use the comment functionality to engage in the discussion.
We are looking forward to an exciting session!

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Convener: Daniel Farinotti | Co-conveners: Fanny BrunECSECS, Fabien MaussionECSECS, Harry ZekollariECSECS
Displays
| Attendance Thu, 07 May, 16:15–18:00 (CEST)

The increasing availability of remotely sensed observations and computational capacity, drive modelling and observational glacier studies towards increasingly large spatial scales. These large scales are of particular relevance, as they impact policy decisions and public discourse. In the European Alps, for instance, glacier changes are important from a touristic perspective, while in High Mountain Asia, glaciers are a key in the region’s hydrological cycle. At a global scale, glaciers are among the most important contributors to present-day sea level change.

This session focuses on advances in observing and modelling mountain glaciers and ice caps at the regional to global scale. We invite both observation- and modelling-based contributions that lead to a more complete understanding of glacier changes and dynamics at such scales.

Contributions may include, but are not limited to, the following topics:
• Observation and modelling results revealing previously unappreciated regional differences in glacier changes or in their dynamics;
• Large-scale impact studies, including glaciers' contribution to sea level change, or changes in water availability from glacierized regions;
• Advances in regional- to global-scale glacier models, e.g. inclusion of physical processes such as ice dynamics, debris-cover effects, glacier calving, or glacier surging;
• Regional to global scale process-studies, based on remote sensing observations or meta-analyses of ground-based data;
• Innovative combinations of observation and modelling techniques, for example blending different remote sensing products, or integrating machine learning algorithms;
• Inverse modelling of subglacial characteristics or glacier ice thickness at regional scales.

Note that this session is organized as a PICO.

Public information: 1) The session will be fully virtual and will be based on "zoom" (https://zoom.us/).
2) The corresponding zoom-link will be posted through the session's chat as soon as the chat is open. You will be able to join the session by clicking on the corresponding link.
3) If you want to test zoom before that, visit https://zoom.us/test
4) The session will start with a brief introduction given by the conveners, who will then pass the word to the invited speaker, Michael Zemp.
5) The individual presenters will follow suite with 2-minute pitch talks -- very much as in a "normal PICO session! The sequence is given by the session's programme.
6) After the pitches, a "zoom break-out room" will be available for every presenter. "Break out rooms" are a video-conference environment for sub-sets of meeting attendees. Every participant will be able to choose the room (s)he is most interested in, and be able to visit different rooms if wished -- again, very much as in a normal PICO session!

We very much encourage to have a look at the individual displays before the start of the session and to use the comment functionality to engage in the discussion.
We are looking forward to an exciting session!

Session assets

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