Pilot site 1
The Ala-Archa River Valley is renowned for its high susceptibility to mudflows within the northern Tien Shan. It houses over 15 lakes, primarily moraine-glacial in origin, amidst challenging terrain characterized by steep relief and significant glaciation. The region’s steep watershed ridges and substantial loose clastic material contribute to frequent mudflow occurrences, posing severe flood risks to the Ala-Archa Park area.
At elevations ranging from 3000 to 3700 meters above sea level, numerous moraine lakes in the Ala-Archa Valley present a potential mudflow hazard. These lakes, predominantly of glacial origin, include 22 moraine-glacial lakes, with approximately 8 identified as high-risk for outbursts. The valley faces recurring mudflow threats, impacting critical infrastructure such as pastures, roads, and the Bishkek-Karakol highway.
Historically, the Ala-Archa River Valley has experienced significant mudflow events due to its geological and hydrological dynamics. The region’s complex topography and active glacial activity contribute to regular mudflow occurrences, necessitating ongoing risk assessment and mitigation efforts.
Efforts to manage mudflow risks in the Ala-Archa Park involve continuous monitoring and evaluation of moraine-glacial lakes. Specialized interventions, including the construction of preventive structures and regular aerial surveys, are crucial in safeguarding vulnerable areas and minimizing potential damage from mudflow events.
Under the GLOFCA initiative, comprehensive measures are being implemented to enhance early warning systems and mitigate the impact of glacial lake outburst floods in the Ala-Archa River Valley. This project aims to integrate advanced monitoring technologies and strategic preventive measures to protect communities and infrastructure from the effects of catastrophic mudflow events.