Loess record of dry climate and aeolian activity in the early-to mid-Holocene, central Great Plains, North America
Bibliographic Data
| ID | 12266016 |
|---|---|
| Authors | Xiaodong Miao (0000-0002-6182-2943, Department of Geosciences, University of Nebraska, Lincoln NE 68588, USA;, corresponding author), Joseph Mason (Department of Geography, University of Wisconsin, Madison WI 53706, USA), Joseph A Mason (0000-0003-2287-8247, University of Wisconsin–Madison), Ronald J Goblet (University of Nebraska–Lincoln), Paul R Hanson (0000-0002-8843-9987, Department of Geosciences, University of Nebraska, Lincoln NE 68588, USA) |
| Year | 2005 |
| Volume | 15 |
| Issue | 3 |
| Pages | 339-346 |
| Publication date | 2005-04-01 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | The Holocene (JOURNAL) |
| Journal identifiers | ISSN: 0959-6836 • E-ISSN: 1477-0911 |
| Publisher | SAGE Publishing (PUBLISHER • US) |
| DOI | 10.1191/0959683605hl805rp |
| OpenAlex | W1972150479 |
| Language | EN |
| Citations received | 8 |
| References cited | 46 |
Thick Holocene Bignell Loess sections provide new evidence for the timing of early to middle Holocene aridity in the central Great Plains. The immediate source of loess in these sections was dune fields just upwind, based on thickness trends and grain size data. Thus, periods of rapid loess accumulation indicate episodes of extensive dune activity under drier-than-present climate. In typical Bignell Loess sections, a thick zone of coarse-textured loess with minimal pedogenic alteration is interpreted as a record of the most rapid, sustained Holocene loess accumulation. Optical ages indicate that loess in this zone was deposited beginning about 9000-10000 years ago at five study sites. Accumulation ended shortly after 6500 years ago at three sites, but possibly earlier at the other two. In two well-dated sections, the average rate of loess accumulation between 9000-10000 and 6500 years ago was about 1.6-3.5 times greater than in the late Holocene. Thus, we infer that the most extensive, sustained Holocene dune field activity, reflecting sustained aridity, occurred from around 9000-10000 years ago to just after 6500 years ago. Comparison of the Bignell Loess record with other proxy data from the Great Plains indicates general agreement on an earlymiddle Holocene dry period, but also provides new evidence for spatial variation of early to middle Holocene climatic change, with possible time transgression, both from west to east and from north to south
Aeolian processes · Arid · Climate change · Geography · Holocene · Holocene climatic optimum · Loess · Marine transgression · Paleoclimatology · Period (music · Physical geography · Quaternary · Aeolian processes and effects · Archaeology and ancient environmental studies · Geology and Paleoclimatology Research · Geology · Oceanography · Paleontology
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| Unique citing works | 8 |
|---|---|
| Citations per year | 0,42 |
| Citation span | 2007 - 2016 (10) |
| Citation velocity | historical |
| Highly cited | No |
| Citation types | Neutral: 6 |