Introduction: A Powerful Tool for Glacier Preservation
Climate change is arguably one of the greatest challenges of our time, with glaciers at the forefront of this global crisis. As they rapidly disappear, one question arises: how can we better understand and predict their extinction? This is where the Global Glacier Extinction Explorer comes in. This interactive tool allows users to navigate a global map of glaciers, providing projections on their potential extinction under various climate warming scenarios.
Understanding Glacier Extinction
Glaciers are not just ice masses; they are crucial to the global ecosystem. They contribute to sea-level rise, provide fresh water to millions, and hold invaluable cultural and ecological significance. Glacier extinction is measured by two criteria: a reduction in surface area below 0.01 km² or a residual volume less than 1% of its initial volume.
Predictive Models: GloGEM, OGGM, PyGEM
To provide accurate projections, the Global Glacier Extinction Explorer uses three global glacier models: GloGEM, OGGM, and PyGEM. These models are combined with several General Circulation Models and emission scenarios corresponding to projected temperature increases from +1.5°C to +4.0°C. The results are consolidated to determine median extinction years and 25% and 75% probability intervals.
Warming Scenarios and Their Impacts
Each warming scenario offers a different perspective on the future of glaciers. For instance, under a +1.5°C scenario, the extinction of many glaciers could be delayed compared to a +4.0°C scenario. These projections are crucial for planning adaptation and mitigation strategies.
The Importance of Each Glacier
Beyond numbers and projections, each glacier holds significance that extends beyond its contribution to sea-level rise. They are often at the heart of local cultures and communities, providing vital resources and playing a role in regional ecology.
Data Behind the Explorer
The data used for these projections comes from recent studies, notably by Van Tricht et al. (2026), published in Nature Climate Change. Regional and glacier-specific results are also publicly available on platforms like Zenodo.
Conclusion: Act Now
With the imminent extinction of many glaciers, it is imperative to act. Decision-makers, entrepreneurs, and developers have a key role in integrating this data into their sustainable development strategies.
Let's discuss your project in 15 minutes.