a Map of the Kyzylsu catchment. The names of the main glaciers are indicated in black. The elevation information is taken from the AW3D Digital Elevation Model (DEM), while the hillshade was derived from high-resolution Pleiades DEMs acquired in 2022 and 2023. Glacier outlines and debris extents are from the RGI 6.0 inventory. Lakes were manually delineated from a Pléiades 2022 ortho-image. The inset maps show the location of the study site in Central Asia with a base map from Esri, along with glaciers shown as blue areas and sub-regions outlines from the RGI 6.0 inventory. b Picture taken by Jason Klimatsas in September 2023 of the on-glacier automatic weather station, located on the debris-covered portion of Kyzylsu Glacier. Maidakul Lake can be seen in the background,as indicated by an arrow. c Pluviometer station photographed by a time-lapse camera in March 2022, with the snow-covered terminus of Kyzylsu Glacier visible in the background.
Source: Communications Earth & Environment
This week’s episode of the CAPS Unlock podcast opens with a discussion about a show of diplomatic unity in Central Asia. Following Israel’s strike on Qatar, all five governments of the region quickly issued statements of condemnation. Some went as far as calling the strike an act of aggression. We examine why these unusually swift and aligned reactions matter, how they highlight the region’s growing ties with Gulf states, and what they reveal about Central Asia’s selective application of principles such as territorial integrity.
Our interview segment features Achille Jouberton, visiting scientist at the Swiss Federal Institute for Forest, Snow and Landscape Research, and lead author of a major new study on the glaciers of Tajikistan’s Pamirs. Long thought relatively stable compared to the shrinking ice fields of the Himalayas and Tien Shan, the Pamirs are now losing mass at troubling rates. Jouberton explains how declining snowfall since 2018, measured through field stations, pressure sensors, and climate reanalysis, is reshaping water availability in the region. He discusses the role of large-scale climate systems, the combination of less snow and hotter summers, and the downstream implications for agriculture and hydropower.
We close by looking at President Kassym-Jomart Tokayev’s State of the Nation address in Kazakhstan. Among an eclectic mix of themes, including long passages on artificial intelligence, Tokayev floated the possibility of transforming Kazakhstan’s bicameral parliament into a single chamber. Though short on detail, the proposal hints at possible institutional re-engineering ahead of 2029, when Tokayev’s presidential mandate ends. We assess what this might mean for Kazakhstan’s political system and why even seemingly technical reforms can reshape the balance of power.
Links:
Snowfall decrease in recent years undermines glacier health and meltwater resources in the Northwestern Pamirs: https://www.nature.com/articles/s43247-025-02611-8
Tokayev’s state of the union speech: https://www.akorda.kz/ru/poslanie-glavy-gosudarstva-kasym-zhomarta-tokaeva-narodu-kazahstana-kazahstan-v-epohu-iskusstvennogo-intellekta-aktualnye-zadachi-i-ih-resheniya-cherez-cifrovuyu-transformaciyu-885145
Source: Peter Leonard, “The Pamirs melt, Tokayev retools, Central Asia rallies,” Havli, 16 September 2025
For years, the Pamir-Karakoram anomaly stood as a rare outlier in global climate trends: a region where glaciers remained relatively stable despite accelerating global warming. Now, new research from the Institute of Science and Technology Austria (ISTA) confirms that even these “last strongholds” have begun to lose mass at an alarming rate.
Snow Deficit and Rising Heat
Data collected from a climate monitoring station on the Kyzylsu glacier in the northwestern Pamirs, active from 1999 to 2023, reveals a sharp shift. According to an international research team led by Francesca Pelliccotti, the tipping point came in 2018, when a significant decline in snow cover and precipitation irreversibly altered the glaciers’ mass balance.
Once past this “point of no return,” glaciers began rapidly depleting their own reserves to compensate for the lack of new snowfall, a process accelerating their melt.
Since 2018, the region has experienced a persistent snow deficit. Snow depth has fallen by approximately 40 cm, and annual precipitation has declined by 328 mm, about one-third of the historical average. Seasonal snow melts earlier, is less stable in spring, and is no longer sufficient to replenish glacier mass.
July 2022 was the hottest month on record, and during this period, the Kyzylsu glacier recorded unprecedented mass loss, melting at a rate eight times faster than the 1999-2018 average. Scientists identify increasingly hot summers and a lack of precipitation as the primary causes.
Even the intensified ice melt has not made up for reduced snowfall: water inflow into rivers dropped by roughly 189 mm in water equivalent. The contribution of glacial runoff to total river flow rose from 19% to 31%, but this increase was still insufficient to offset the overall decline in water volume.
The situation is most severe at altitudes above 4,000 meters, where solid precipitation has declined sharply. Snow from avalanches, which previously helped sustain the glaciers, has dropped nearly threefold from 0.21 to 0.08 m per year.
Implications for Central Asia
Experts warn that this is not a localized issue. The Pamir and Karakoram glaciers feed the Amu Darya and Syr Darya rivers, lifelines for millions across Central Asia. Diminishing glacial mass threatens freshwater availability, agriculture, hydropower generation, and overall socio-economic stability.
“Due to the lack of accurate forecasts, we cannot yet say definitively whether the Pamir glaciers have passed the point of no return. However, since 2018, the processes have changed dramatically, and the reduction in precipitation has had a critical impact on their stability,” said ISTA researcher Achille Joubert.
Data Gaps and New Monitoring Efforts
Following the collapse of the Soviet Union, glacier monitoring in the region was largely suspended for nearly two decades. Systematic observations resumed only in 2021, when international researchers reinstalled instruments on the Kyzylsu glacier, one of the Vakhsh River’s primary sources.
These new measurements confirmed a drastic drop in precipitation and snow thickness starting in 2018, with consistently unfavorable conditions persisting since.
Compared to the late 1990s, spring and summer snow now melts much faster, and the “cold reserves” that once preserved glacier stability are disappearing rapidly.
The study’s findings were published in Communications Earth & Environment, reinforcing that even the most resilient glaciers in Central Asia are succumbing to climate change.
“The disappearance of glaciers means not only a shortage of water, but also a threat to climate stability,” the researchers warn.
The loss of these natural freshwater reserves could trigger cascading effects from reduced electricity generation to ecosystem degradation.
The end of the Pamir-Karakoram anomaly is not just a regional alarm bell. It signals the urgency of coordinated international climate action. Without it, scientists say, the process may already be beyond reversal.
For Central Asia, this carries profound geopolitical and economic implications. Water stress is already a driver of tension between upstream and downstream states, and shrinking glaciers will exacerbate disputes over allocation and dam construction. Governments are under pressure to accelerate adaptation strategies – modernizing irrigation, investing in alternative energy, and expanding regional cooperation on water-sharing agreements.
Researchers also stress the importance of filling data gaps with sustained monitoring. Long-term, high-resolution observations are critical for forecasting river flow and planning infrastructure. International support, they argue, could help countries like Tajikistan and Kyrgyzstan upgrade their hydrological networks, while linking local data into global climate models.
Ultimately, the fate of the Pamir and Karakoram glaciers will not be decided in the mountains alone. Their survival, or disappearance, depends on global emissions trajectories and the political will to implement serious mitigation measures. What happens here, at the heart of Asia’s water towers, will ripple far downstream into the lives of millions.
