Dr. Jiaying Wu has published two more papers describing her paleoenvironmental research in Costa Rica. Her paper in Quaternary Science Reviews documents the occurrence of sustained drought, and possible cooling, coeval with the Terminal Classic Drought and Medieval Climate Anomaly at multiple sites in Costa Rica. A second paper, published in Quaternary Research, improves our understanding of late Holocene fire history in the glacial highlands of Costa Rica and provides valuable insights relevant for the management and conservation of páramo ecosystems in the Neotropics. A paper published in Quaternary Science Reviews, lead by Dave Porinchu, presents the first terrestrial-based, quantitative reconstruction of the temperature change associated with widespread climate anomalies at 9.3 ka and 8.2 ka in the central Canadian Arctic. A co-authored paper documenting the relationship between temperature change and spatial patterns and long‐term trends in chironomid diversity was recently published in Global Change Biology. Stephen Cooper successfully defended his thesis entitled A Lake Sediment Based Paleoecological Reconstruction of late Holocene Fire History of Fire History and Vegetation Change from Great Basin National Park, Nevada, USA.
