자료유형 | 학위논문 |
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서명/저자사항 | Understanding Quaternary Soil Formation Using a Synthesis of Soil Chronosequences. |
개인저자 | Shepard, Christopher. |
단체저자명 | The University of Arizona. Soil, Water & Environmental Science. |
발행사항 | [S.l.]: The University of Arizona., 2018. |
발행사항 | Ann Arbor: ProQuest Dissertations & Theses, 2018. |
형태사항 | 272 p. |
기본자료 저록 | Dissertation Abstracts International 79-10B(E). Dissertation Abstract International |
ISBN | 9780355985078 |
학위논문주기 | Thesis (Ph.D.)--The University of Arizona, 2018. |
일반주기 |
Source: Dissertation Abstracts International, Volume: 79-10(E), Section: B.
Adviser: Craig Rasmussen. |
요약 | Soil formation represents a suite of biogeochemical and physical processes that transform rock and sediment into a complex, organized system that sustains life. Soils are at the heart of the critical zone, the thin outermost veneer of the Earth' |
요약 | I hypothesized that Quaternary climate change, driven by orbitally modulated insolation, is likely responsible for the observed patterns of soil evolution and preservation, and distributions of modern soil properties. Rapid climate change from g |
요약 | Clays are the main soil formation product, and are a key variable for understanding the hydrology and biology of soils. Using the soil chronosequence database, a humped behavior in clay production was observed |
요약 | Given the variability in past environmental conditions and uncertainty in the initial soil state, soil formation is highly variable. Using a probabilistic formulation of Jenny's soil state factor model, parameterized using a time-integrated meas |
일반주제명 | Soil sciences. Geomorphology. Paleoclimate science. |
언어 | 영어 |
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