Mountain lakes are often situated in protected natural areas, a feature that leads to their role
as sentinels of global environmental change. Despite variations in latitude, mountain lakes …

This review focuses on biotic responses during intervals of time in the fossil record when the
magnitude and rate of climate change exceeded or were comparable with those predicted to …

The disappearance of many North American megafauna at the end of the Pleistocene is a
contentious topic. While the proposed causes for megafaunal extinction are varied, most …

Abstract Paleoindian groups occupied North America throughout the Younger Dryas
Chronozone. It is often assumed that cooling temperatures during this interval, and the …

The hydroclimate of the southwestern United States (US) region changed abruptly during
the latest Pleistocene as the continental ice sheets over North America retreated from their …

A synthesis of old and new paleoclimatic data from the Pyramid and Winnemucca lake
basins indicates that, between 48.0 and 11.5· 10 3 calibrated years BP (hereafter ka), the …

Well-dated records of alpine glacier fluctuations provide important insights into the temporal
and spatial structure of climate variability. Cirque moraine records from the western United …

Recent studies document the synchronous nature of shifts in North Atlantic regional climate,
the intensity of the East Asian monsoon, and productivity and precipitation in the Cariaco …

Sediment records from Swamp Lake (SL) in the central Sierra Nevada, California, provide
evidence of climatic change on millennial and centennial timescales over the last∼ 20,000 …

A sediment core spanning∼ 7000 cal yr BP recovered from Stella Lake, a small sub-alpine
lake located in Great Basin National Park, Nevada, was analyzed for subfossil chironomids …