Holocene glacier fluctuations in the American Cordillera

Davis, P. Thompson

doi:10.1016/0277-3791(88)90003-0

Cited by 96 publications

(66 citation statements)

References 142 publications

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“…These moraines are thought to correlate with the Satanta Peak moraines of the Colorado Front Range (Benedict, 1973(Benedict, , 1985, and the Temple Lake moraine of the Wind River Range, Wyoming (Davis, 1988) and are probably Younger Dryas in age (11,000-10,000 yr B.P. (about 12,800-11,500 cal yr)).…”

Section: Cirque Moraines and Present-day Snowfieldsmentioning

confidence: 96%

Deglaciation and postglacial treeline fluctuation in the northern San Juan Mountains, Colorado

Carrara¹

2011

Professional Paper

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Section: Cirque Moraines and Present-day Snowfieldsmentioning

confidence: 96%

Deglaciation and postglacial treeline fluctuation in the northern San Juan Mountains, Colorado

Carrara¹

2011

Professional Paper

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“…4). Although temperatures were not uniformly cold during the Little Ice Age, it is represented by widespread glacial advances in western North America (Davis, 1988;Luckman, 2000). This and preceding cold episodes are also expressed in millennial-scale cycles of iceberg drift in the North Atlantic region (Bond et al, 1997(Bond et al, , 2001) that very consistently correspond to minima in fire-related sedimentation in Yellowstone National Park.…”

Section: Northern Yellowstone National Park Highelevation Conifer Formentioning

confidence: 99%

Climatic controls on fire-induced sediment pulses in Yellowstone National Park and central Idaho: a long-term perspective

Meyer

Pierce

2003

Forest Ecology and Management

108

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Fire management addressing postfire erosion and aquatic ecosystems tends to focus on short-term effects persisting up to about a decade after fire. A longer perspective is important in understanding natural variability in postfire erosion and sedimentation, the role of these processes in structuring habitat, and future expectations in light of a warming climate and environmental change. In cool high-elevation forests of northern Yellowstone National Park, stand ages indicate infrequent large stand-replacing fires. In warmer low-elevation forests of the Payette River region of Idaho, fire-scarred tree-rings record frequent low-severity fires before 1900; stand-replacing fires and resulting debris flows in recent decades are usually attributed to 20th-century fire suppression, grazing, and other land uses. In both areas, however, tree-ring records extend back only about 500 years. We use 14 C-dated geologic records to examine spatial and temporal patterns of fire-induced sedimentation and its relation to climate over the last 10 000 years. We review sedimentation processes in modern postfire events, which vary in magnitude and impact on stream systems depending on burn severity, basin geomorphology, and the timing and characteristics of postfire storms. Modern deposits also provide analogs for identification of fire-related deposits in alluvial fans. In Yellowstone, episodes of fire-induced sedimentation occurred at intervals of about 300-450 years during the last 3500 years, indicating a regime of infrequent high-severity fires. Millennial-scale variations in the fire-sedimentation record appear to relate to hemispheric-scale climatic change. Fire-related sedimentation is rare in Yellowstone during cooler episodes (e.g., the Little Ice Age $1200-1900 A.D.), probably because effectively wetter conditions prevented most fires from spreading. During some of the same cool periods, the Payette region experienced light surface fires and frequent, small pulses of fire-induced sediment. Between 900 and 1200 A.D., however, large fire-related debris flows occurred in both study areas, coincident with the Medieval Warm Period. During that time, drought may have limited grass growth in xeric Payette-region forests, restricting surface fire spread and allowing understory shrubs and trees to create ladder fuels. Although fire suppression and land-use effects are clearly involved in recent catastrophic fires in the Payette region, a warming climate and severe drought are probable contributors to major stand-replacing fires and postfire sedimentation, both past and present. Restoration and maintenance of conditions prior to European settlement may be unrealistic because of the potent influence of climate, and the incidence of severe fires will likely increase in both areas with future warming. #

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“…Hall and Jaworowski (1999) later reported soils and paleomagnetic evidence that the Washakie Point and Cedar Ridge deposits, as identified by Richmond, could not be confirmed and suggested that the terms should be abandoned. The Sacagawea Ridge till was redefined by Hall and Jaworowski (1999) for a small section of till that occurs near Dinwoody Lakes to the northeast of Bull Lake, given an age of MIS 16 (770-660 Ka), and remained as the sole Dahms and others (2010) Alice Lake 6000 -5000 3,000 1 Dahms (2002); Dahms and others (2010) Interglacial period 8,000 5,000 1 Davis (1988) Temple Lake 12,800 11,500 1 Gosse and others (1995b), Dahms and others (2010); Zielinski and Davis (1987) Pinedale 22,000 16,000 2 Dahms (2004a); Gosse and others (1995a); Phillips and others (1997) Intermediate Bull Lake/Pinedale 70 Ka 60 Ka 4 Hall and Shroba (1995); Pierce (2004) Bull Lake 200 Ka 95 Ka 6 Chadwich and others (1997); Pierce (2004); Phillips and others (1997); Sharp and others (2003) Sacagawea 770 Ka 660 Ka 16 Chadwick and others (1997); Hall and Jaworoski (1999) Pre-Sacagawea NA NA >16 Dahms (2004b) Pleistocene Holocene Pleistocene Quaternary…”

Section: Limber Pine Series Subalpine Fir Seriesmentioning

confidence: 99%

“…Following the Younger Dryas, a transitional period occurred, and by approximately 10,340 years ago, the Temple Lake glaciers had receded to near their present positions near cirque headwalls, or had melted entirely. The first half of the Holocene Epoch was marked by warmer temperatures, including an interglacial period termed the "Altithermal" (Davis 1988). The Altithermal interglacial event occurred between approximately 8,000 and 5,000 years ago, with a maximum between approximately 7,200 and 6,400 years ago.…”

Section: Limber Pine Series Subalpine Fir Seriesmentioning

confidence: 99%

Ecological types of the eastern slope of the Wind River Range, Shoshone National Forest, Wyoming

Wells¹,

Boettinger²,

Houston³

et al. 2015

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This guide presents a classification of the Ecological Types of the eastern slope of the Wind River Range (WRR) on the Shoshone National Forest in westcentral Wyoming. Ecological Types integrate vegetation and environmental characteristics, including climate, geology, landform, and soils, into a comprehensive ecosystem classification. The three objectives are: (1) complete field data collection, (2) simultaneously develop soil map unit components and Ecological Types, and (3) publish the ecological type classification such that it is compatible with the National Cooperative Soil Survey spatial and tabular data. Fifty-eight Ecological Types were organized into 3 ecosystems, 3 physiognomic groups, and 12 vegetation series.

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Holocene glacier fluctuations in the American Cordillera

Cited by 96 publications

References 142 publications

Deglaciation and postglacial treeline fluctuation in the northern San Juan Mountains, Colorado

Deglaciation and postglacial treeline fluctuation in the northern San Juan Mountains, Colorado

Climatic controls on fire-induced sediment pulses in Yellowstone National Park and central Idaho: a long-term perspective

Ecological types of the eastern slope of the Wind River Range, Shoshone National Forest, Wyoming

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