BLECHA, Martin and Jiří FAIMON. Spatial and temporal variations in carbon dioxide (CO2) concentrations in selected soils of the Moravian Karst (Czech Republic). Carbonates and Evaporites. vol. 29, No 4, p. 395-408. ISSN 0891-2556. doi:10.1007/s13146-014-0220-7. 2014.
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Basic information
Original name Spatial and temporal variations in carbon dioxide (CO2) concentrations in selected soils of the Moravian Karst (Czech Republic)
Authors BLECHA, Martin (203 Czech Republic, belonging to the institution) and Jiří FAIMON (203 Czech Republic, guarantor, belonging to the institution).
Edition Carbonates and Evaporites, 2014, 0891-2556.
Other information
Original language English
Type of outcome Article in a journal
Field of Study Geochemistry
Country of publisher United States of America
Confidentiality degree is not subject to a state or trade secret
WWW URL
Impact factor Impact factor: 0.375
RIV identification code RIV/00216224:14310/14:00076751
Organization unit Faculty of Science
Doi http://dx.doi.org/10.1007/s13146-014-0220-7
UT WoS 000345616400004
Keywords in English CO 2 Concentration Karst Rainfall Temperature Soil
Tags AKR, rivok
Changed by Changed by: doc. Ing. Jiří Faimon, Dr., učo 1405. Changed: 18/3/2015 15:15.
Abstract
The evolution of CO2 concentrations in selected soils of the Moravian Karst (Czech Republic) was studied during a 1-year period from August 2008 to July 2009. CO2 concentrations directly measured in air of the soils of coniferous and deciduous forests reached up to 0.5 vol%. Substantially, higher CO2 concentrations, over 1 vol%, were found in thicker sinkhole soils under grassy vegetation. CO2 concentrations showed strong seasonality with maxima in summer and minima in winter at all sites. On the basis of temperature dependence, ln cCO2 = b0-b1/T(where cCO2 is CO2 concentration in mol/L, T is temperatures in Kelvin, and b1, b2 are constants); all CO2 concentrations were normalized to 10°C. These concentrations did not correlate with rainfall or soil profile depth. The remaining maxima in the time series of CO 2 concentrations (a sharp peak especially in July) might be the result of increased plant respiration during enhanced photosynthesis activity during the early-summer stage of the green period.
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