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May 2021

Upcoming Webinar: 2021 Great Lakes Climate Modeling Workshop Summary

The virtual workshop aimed to advance the state of climate modeling, translation, and integration into climate adaptation efforts across the Great Lakes region. The Great Lakes Regional Integrated Sciences and Assessments (RISA) team will walk webinar attendees through the workshop and some of the key findings.

South Central RISA Creates Texas Temperature Dashboard

While other resources exist that present regional or national trends in temperatures, few tools provide such information on a local level. The dashboard incorporates overall temperature trends as well as trends in indicators like extreme heat and warm nights, offering insight into changes in heat that can have public health ramifications as well as economic impacts.

Study Proposes New Way to Define Drought, Capturing Natural Variations and Human Actions

While drought is commonly defined by precipitation and runoff deficits, the study challenges this understanding by proposing a new definition: anthropogenic drought. Within human‐water systems, drought must be defined and understood as the complex and interrelated dynamics of both natural and human‐induced changes, the authors say.

Greenhouse Gas and Aerosol Emissions are Lengthening and Intensifying Droughts

“There has always been natural variability in drought events around the world, but our research shows the clear human influence on drying, specifically from anthropogenic aerosols, carbon dioxide, and other greenhouse gases,” said lead author Felicia Chiang from the University of California, Irvine. 

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