ArticleProceedings of the National Academy of Sciences of the United States of America2014
Sources and sinks of carbonyl sulfide in an agricultural field in the Southern Great Plains.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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Who cites it
24 citing papers in PubMed.
- Article
- Article
- Microbial responses under sunlight-dark conditions accelerate sequestration and transformation of soil biogenic, redox and non-redox components, including As and Hg.Scientific reports · 2025Article
- Leaf chamber experiments on sunflowers indicate a temperature-dependent compensation point of carbonyl sulfide.Open research Europe · 2025Article
- Article
- Root and rhizosphere contribution to the net soil COS exchange.Plant and soil · 2024Article
- Quantifying Northern High Latitude Gross Primary Productivity (GPP) Using Carbonyl Sulfide (OCS).Global biogeochemical cycles · 2022Article
- Article
- COS-derived GPP relationships with temperature and light help explain high-latitude atmospheric COProceedings of the National Academy of Sciences of the United States of America · 2021Article
- Emerging approaches to measure photosynthesis from the leaf to the ecosystem.Emerging topics in life sciences · 2021Review
- Article
- Carbonyl sulfide (COS) and carbon disulfide (CSEnvironmental geochemistry and health · 2019Article
- Soil carbonyl sulfide exchange in relation to microbial community composition: insights from a managed grassland soil amendment experiment.Soil biology & biochemistry · 2019Article
- Influences of light and humidity on carbonyl sulfide-based estimates of photosynthesis.Proceedings of the National Academy of Sciences of the United States of America · 2019Article
- Soil exchange rates of COS and COThe ISME journal · 2019Article
- Volatolomics in Bacterial Ecotoxicology, A Novel Method for Detecting Signatures of Pesticide Exposure?Frontiers in microbiology · 2018Article
- Isotopic Fractionation of Sulfur in Carbonyl Sulfide by Carbonyl Sulfide Hydrolase of Thiobacillus thioparus THI115.Microbes and environments · 2017Article
- Eddy covariance carbonyl sulphide flux measurements with a quantum cascade laser absorption spectrometer.Atmospheric measurement techniques · 2017Article
- Bryophyte gas-exchange dynamics along varying hydration status reveal a significant carbonyl sulphide (COS) sink in the dark and COS source in the light.The New phytologist · 2017Article
- Bi-directional COS exchange in bryophytes challenges its use as a tracer for gross primary productivity.The New phytologist · 2017Article
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Authors and funding
7 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Net photosynthesis is the largest single flux in the global carbon cycle, but controls over its variability are poorly understood because there is no direct way of measuring it at the ecosystem scale. We report observations of ecosystem carbonyl sulfide (COS) and CO2 fluxes that resolve key gaps in an emerging framework for using concurrent COS and CO2 measurements to quantify terrestrial gross primary productivity. At a wheat field in Oklahoma we found that in the peak growing season the flux-weighted leaf relative uptake of COS and CO2 during photosynthesis was 1.3, at the lower end of values from laboratory studies, and varied systematically with light. Due to nocturnal stomatal conductance, COS uptake by vegetation continued at night, contributing a large fraction (29%) of daily net ecosystem COS fluxes. In comparison, the contribution of soil fluxes was small (1-6%) during the peak growing season. Upland soils are usually considered sinks of COS. In contrast, the well-aerated soil at the site switched from COS uptake to emissions at a soil temperature of around 15 °C. We observed COS production from the roots of wheat and other species and COS uptake by root-free soil up to a soil temperature of around 25 °C. Our dataset demonstrates that vegetation uptake is the dominant ecosystem COS flux in the peak growing season, providing support of COS as an independent tracer of terrestrial photosynthesis. However, the observation that ecosystems may become a COS source at high temperature needs to be considered in global modeling studies.
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