Systematic variations in the carbon and oxygen isotopic composition of pedogenic carbonate along elevation transects in the southern Great Basin, United States

Jay Quade, T. E. Cerling, J. R. Bowman

Research output: Contribution to journalArticle

368 Citations (Scopus)

Abstract

The modeled best fit to observed isotopic profiles suggests that the profile differences in part result from differing soil-respiration rates at each site. Soil CO2 and soil-respiration rates increase systematically with elevation. Suggests that evaporative isotopic enrichment of soil waters may have occurred at all elevations prior to precipitation of carbonate, or that seasonal differences in the isotopic composition of meteoric waters coupled with differential infiltration may be taking place. -from Authors

Original languageEnglish (US)
Pages (from-to)464-475
Number of pages12
JournalBulletin of the Geological Society of America
Volume101
Issue number4
DOIs
StatePublished - 1989
Externally publishedYes

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soil respiration
isotopic composition
transect
carbonate
oxygen
carbon
meteoric water
basin
infiltration
soil water
soil
rate

ASJC Scopus subject areas

  • Environmental Science(all)
  • Earth and Planetary Sciences(all)

Cite this

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journal = "Geological Society of America Bulletin",
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AU - Cerling, T. E.

AU - Bowman, J. R.

PY - 1989

Y1 - 1989

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AB - The modeled best fit to observed isotopic profiles suggests that the profile differences in part result from differing soil-respiration rates at each site. Soil CO2 and soil-respiration rates increase systematically with elevation. Suggests that evaporative isotopic enrichment of soil waters may have occurred at all elevations prior to precipitation of carbonate, or that seasonal differences in the isotopic composition of meteoric waters coupled with differential infiltration may be taking place. -from Authors

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