 Her research combines geological investigations into the dynamic processes of volcanoes with analysis of the social and cultural landscapes in which they erupt in.She served as Principal Investigator on "Strengthening Resilience to Volcanic Hazards" (STREVA), looking to develop a practical volcanic risk assessment framework, which was supported by the Natural Environment Research Council and Economic and Social Research Council.During STREVA Barclay worked with people from Saint Vincent and the Grenadines to document the historical and culture record of the 1902 and 1979 La Soufrière eruptions.