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

J. Quade; T. E. Cerling; J. R. Bowman

doi:10.1130/0016-7606(1989)101<0464:SVITCA>2.3.CO;2

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

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

Research output: Contribution to journal › Article › peer-review

422 Scopus citations

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 CO ₂ 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 language	English (US)
Pages (from-to)	464-475
Number of pages	12
Journal	Geological Society of America Bulletin
Volume	101
Issue number	4
DOIs	https://doi.org/10.1130/0016-7606(1989)101<0464:SVITCA>2.3.CO;2
State	Published - 1989
Externally published	Yes

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Geology

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10.1130/0016-7606(1989)101<0464:SVITCA>2.3.CO;2

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AU - Quade, J.

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 CO 2 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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Systematic variations in the carbon and oxygen isotopic composition of pedogenic carbonate along elevation transects in the southern Great Basin, United States

Abstract

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