Permafrost monitoring relies on long-term observations collected across a wide range of environmental settings, using different instruments, methods and data processing workflows. While this diversity reflects the complexity of permafrost systems, it also creates significant challenges for comparing data across sites, regions and time periods.
Improving data comparability is therefore a central objective of the PermaCOST Action. By bringing together experts from multiple disciplines and monitoring traditions, the Action promotes dialogue and collaboration on how permafrost data are acquired, processed and interpreted. This coordinated approach supports the identification of common principles, best practices and shared standards that can be applied across Europe.
Through its Working Groups, PermaCOST addresses data comparability at different stages of the monitoring chain, from parameter selection and measurement techniques to data processing, quality control and integration. These efforts aim to enhance the consistency and interoperability of permafrost datasets and time series.
By advancing data comparability, PermaCOST enables more robust assessments of permafrost state and evolution, supports cross-regional synthesis, and strengthens the scientific basis for understanding permafrost response to climate change in Europe and beyond.





