Non-Lacustrine Terrestrial Studies

Jay Quade, T. Cerling

Research output: Chapter in Book/Report/Conference proceedingChapter

3 Citations (Scopus)

Abstract

The carbon- and oxygen-isotopic composition of surficial meteoric carbonate (soils, groundwater) is widely used in paleoenvironmental reconstruction in the Quaternary. Temperature, the oxygen-isotopic composition of rainwater, and evaporation are the main determinants of the oxygen-isotopic composition of surficial carbonates. At Devils Hole, Nevada, where a ~500. ka record of spring calcite is preserved, changes in temperature in the recharge area drive cyclic changes in oxygen isotopic values on glacial-interglacial timescales.Soil respiration rates and the fraction C3/C4 biomass determine the carbon-isotopic composition of soil carbonates. With other types of surficial carbonate such as spring tufas and some cave speleothems, rapid off-gassing of CO2 and water-rock interaction in closed-system conditions reduce their utility in environmental reconstruction. Over the Neogene, C4 biomass has expanded dramatically, as reflected in the large increases in carbon-isotopic composition of soil carbonates. At the same time, the oxygen-isotopic composition of soil carbonates has increased, likely due to global aridification. During the Pleistocene, changes in C4 biomass have been conservative on most continents except Africa, where large increases in the carbon-isotopic composition of soil carbonates are observed, denoting expansion of savanna ecosystems.

Original languageEnglish (US)
Title of host publicationEncyclopedia of Quaternary Science
Subtitle of host publicationSecond Edition
PublisherElsevier Inc.
Pages322-332
Number of pages11
ISBN (Electronic)9780444536433
ISBN (Print)9780444536426
DOIs
StatePublished - Jan 1 2013

Fingerprint

isotopic composition
carbonate
oxygen
carbon
soil
biomass
aridification
speleothem
water-rock interaction
soil respiration
rainwater
interglacial
savanna
Neogene
cave
recharge
calcite
evaporation
temperature
Pleistocene

Keywords

  • C Plants
  • Carbon Isotopes
  • Devils Hole
  • Meteoric Carbonate
  • Oxygen Isotopes
  • Soil

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)

Cite this

Quade, J., & Cerling, T. (2013). Non-Lacustrine Terrestrial Studies. In Encyclopedia of Quaternary Science: Second Edition (pp. 322-332). Elsevier Inc.. https://doi.org/10.1016/B978-0-444-53643-3.00336-8

Non-Lacustrine Terrestrial Studies. / Quade, Jay; Cerling, T.

Encyclopedia of Quaternary Science: Second Edition. Elsevier Inc., 2013. p. 322-332.

Research output: Chapter in Book/Report/Conference proceedingChapter

Quade, J & Cerling, T 2013, Non-Lacustrine Terrestrial Studies. in Encyclopedia of Quaternary Science: Second Edition. Elsevier Inc., pp. 322-332. https://doi.org/10.1016/B978-0-444-53643-3.00336-8
Quade J, Cerling T. Non-Lacustrine Terrestrial Studies. In Encyclopedia of Quaternary Science: Second Edition. Elsevier Inc. 2013. p. 322-332 https://doi.org/10.1016/B978-0-444-53643-3.00336-8
Quade, Jay ; Cerling, T. / Non-Lacustrine Terrestrial Studies. Encyclopedia of Quaternary Science: Second Edition. Elsevier Inc., 2013. pp. 322-332
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