Holocene alluvial stratigraphy and response to climate change in the Roaring River valley, Front Range, Colorado, USA
Quaternary Research
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Abstract
Stratigraphic analyses and radiocarbon geochronology of alluvial deposits exposed along the Roaring River, Colorado, lead to three principal conclusions: (1) the opinion that stream channels in the higher parts of the Front Range are relics of the Pleistocene and nonalluvial under the present climate, as argued in a water-rights trial USA v. Colorado, is untenable, (2) beds of clast-supported gravel alternate in vertical succession with beds of fine-grained sediment (sand, mud, and peat) in response to centennial-scale changes in snowmelt-driven peak discharges, and (3) alluvial strata provide information about Holocene climate history that complements the history provided by cirque moraines, periglacial deposits, and paleontological data. Most alluvial strata are of late Holocene age and record, among other things, that: (1) the largest peak flows since the end of the Pleistocene occurred during the late Holocene; (2) the occurrence of a mid- to late Holocene interval (~2450–1630(?) cal yr BP) of warmer climate, which is not clearly identified in palynological records; and (3) the Little Ice Age climate seems to have had little impact on stream channels, except perhaps for minor (~1 m) incision. Published
Suggested Citation
Madole, R.F., 2012, Holocene alluvial stratigraphy and response to climate change in the Roaring River valley, Front Range, Colorado, USA: Quaternary Research, v. 78, no. 2, p. 197-208, https://doi.org/10.1016/j.yqres.2012.05.005.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Holocene alluvial stratigraphy and response to climate change in the Roaring River valley, Front Range, Colorado, USA |
| Series title | Quaternary Research |
| DOI | 10.1016/j.yqres.2012.05.005 |
| Volume | 78 |
| Issue | 2 |
| Publication Date | June 03, 2012 |
| Year Published | 2012 |
| Language | English |
| Publisher | Elsevier |
| Publisher location | Amsterdam, Netherlands |
| Contributing office(s) | Geology and Environmental Change Science Center |
| Description | 12 p. |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Quaternary Research |
| First page | 197 |
| Last page | 208 |
| Country | United States |
| State | Colorado |
| Other Geospatial | Front Range;Roaring River Valley |