COS and H2S fluxes over a wet meadow in relation to photosynthetic activity: An analysis of measurements made on 6 September 1990

Bartell, Ulrich; Hofmann, Uwe; Hofmann, Rolf; Kreuzburg, Berthold; Andreae, Meinrat O.; Kesselmeier, J.

doi:10.1016/0960-1686(93)90290-f

Cited by 39 publications

(31 citation statements)

References 42 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…However, Bartell et al (1993) observed the emission of H 2 S only account for 1-2% of the sulfur deposited as COS to the soil/plant system and no H 2 S were detected in our above experiments, which were probably due to its high reactive activity on the surface of the soil. To further investigate the formation of H 2 S from the conversion of COS in the lawn soil, in situ DRIFTS experiment with higher concentration COS was performed.…”

Section: Article In Pressmentioning

confidence: 58%

“…However, the emission of H 2 S only accounted for 1-2% of the sulfur deposited as COS to the soil/ plant system investigated by Bartell et al (1993). Bartell et al pointed out that further physiological study is required to resolve this problem (Bartell et al, 1993).…”

Section: Introductionmentioning

confidence: 99%

“…Previous studies have indicated that carbonic anhydrase (CA) is the key enzyme for uptake of COS by different biological organisms (Bartell et al, 1993;Protoschill-Krebs et al, 1996;Kesselmeier et al, 1999;Kuhn and Kesselmeier, 2000;Kesselmeier and Hubert, 2002). Protoschill-Krebs et al pointed out that CA in vivo splits COS into CO 2 and H 2 S (Protoschill- Krebs et al, 1996).…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Uptake and conversion of carbonyl sulfide in a lawn soil

Liu

Geng

et al. 2007

Atmospheric Environment

View full text Add to dashboard Cite

Carbonyl sulfide (COS) exchange fluxes between a lawn soil and the atmosphere as well as influencing factors (temperature and water content of soil) were investigated using a static cuvette. The optimal soil temperature and water content for COS consumption were about 298 K and 12.5%, respectively. The converting products of the consumed COS in the lawn soil were researched using in situ diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS). The peaks of gas-phase products of CO 2 and surface HCO À 3 , HS À , SO 2À 3 , HSO À 3 , and SO 2À 4 species were observed. The possible mechanism of COS conversion in the lawn soil was discussed. The conversion rates of consumed COS into water-soluble sulfate in the lawn soil were studied by ion chromatography (IC). The experimental results show that about 50% sulfur from the soil consumed COS was eventually converted into water-soluble sulfate. r

show abstract

Section: Article In Pressmentioning

confidence: 58%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Uptake and conversion of carbonyl sulfide in a lawn soil

Liu

Geng

et al. 2007

Atmospheric Environment

View full text Add to dashboard Cite

show abstract

“…However, it is not generally supported by field studies. While some in-situ experiments clearly showed uptake of COS by plants or soil/plant systems (Mihalopoulos et al, 1989;Hofmann et al, 1992;Bartell et al, 1993;Dippel and Jaeschke, 1996;Kuhn et al, 1999), other measurements found either no evidence of deposition (Berresheim and Vulcan, 1992) or the existence of both deposition and emission Hofmann, 1993;Huber, 1994). This indicates that the role of vegetation under natural conditions is more complicated.…”

Section: Introductionmentioning

confidence: 99%

“…It varies from 90 to 515 ppt and is usually lower than the tropospheric level of COS (∼ 500 ppt), suggesting that vegetation tends to take up COS in most cases. The air-plant exchange flux of COS was often found to be correlated to the CO 2 assimilation rate, to photosynthetically active radiation (PAR) and to the H 2 O flux (Kesselmeier and Merk, 1993;Bartell et al, 1993;Hofmann, 1993;Huber, 1994), implying the importance of plant physiological processes in controlling the COS exchange rate. The close relationship between COS uptake and CO 2 fixation is an encouraging finding, as it allows an estimate of the global vegetation sink of COS on the basis of the observed uptake ratio COS/CO 2 and the terrestrial plant productivity.…”

Section: Introductionmentioning

confidence: 99%

The flux of carbonyl sulfide and carbon disulfide between the atmosphere and a spruce forest

Bingemer

Schmidt

2002

Atmos. Chem. Phys.

View full text Add to dashboard Cite

Abstract. Turbulent fluxes of carbonyl sulfide (COS) and carbon disulfide (CS 2 ) were measured over a spruce forest in Central Germany using the relaxed eddy accumulation (REA) technique. A REA sampler was developed and validated using simultaneous measurements of CO 2 fluxes by REA and by eddy correlation. REA measurements were conducted during six campaigns covering spring, summer, and fall between 1997 and 1999. Both uptake and emission of COS and CS 2 by the forest were observed, with deposition occurring mainly during the sunlit period and emission mainly during the dark period. On the average, however, the forest acts as a sink for both gases. The average fluxes for COS and CS 2 are −93 ± 11.7 pmol m −2 s −1 and −18 ± 7.6 pmol m −2 s −1 , respectively. The fluxes of both gases appear to be correlated to photosynthetically active radiation and to the CO 2 and H 2 O fluxes, supporting the idea that the air-vegetation exchange of both gases is controlled by stomata. An uptake ratio COS/CO 2 of 10 ± 1.7 pmol µmol −1 has been derived from the regression line for the correlation between the COS and CO 2 fluxes. This uptake ratio, if representative for the global terrestrial net primary production, would correspond to a sink of 2.3 ± 0.5 Tg COS yr −1 .

show abstract