2011
DOI: 10.5194/bg-8-1523-2011
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How to link soil C pools with CO<sub>2</sub> fluxes?

Abstract: Abstract. Despite the importance of carbon (C) pools and CO 2 fluxes in terrestrial ecosystems and especially in soils, as well as many attempts to assign fluxes to specific pools, this challenge remains unsolved. Interestingly, scientists investigating pools are not closely linked with scientists studying fluxes. This review therefore focused on experimental approaches enabling soil C pools to be linked with CO 2 flux from the soil. The background, advantages and shortcomings of uncoupled approaches (measurin… Show more

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Cited by 68 publications
(20 citation statements)
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“…We constructed a time series of tropospheric 14 CO 2 measurements from Vermunt (1959Vermunt ( -1976 and Schauinsland (1976-2011) (personal communication, Ingeborg Levin 2011, which are representative of sites influenced by fossil fuel emissions (Levin and Kromer, 2004). From the individual samples we calculated time-weighted averages for the summer months May to August which are commonly used for a good representation of the 14 C values in vegetation (Levin and Kromer, 2004).…”
Section: Atmospheric 14 C Recordmentioning
confidence: 99%
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“…We constructed a time series of tropospheric 14 CO 2 measurements from Vermunt (1959Vermunt ( -1976 and Schauinsland (1976-2011) (personal communication, Ingeborg Levin 2011, which are representative of sites influenced by fossil fuel emissions (Levin and Kromer, 2004). From the individual samples we calculated time-weighted averages for the summer months May to August which are commonly used for a good representation of the 14 C values in vegetation (Levin and Kromer, 2004).…”
Section: Atmospheric 14 C Recordmentioning
confidence: 99%
“…Using the model outputs together with inverse modeling, soil processes and model parameters can be studied. We propose to use SOC stocks and heterotrophic respiration fluxes in order to link observations of soil C pools and fluxes (Kuzyakov, 2011) with their respective 14 C values in order to constrain the parameters of a simple serial two-pool SOC turnover model -the Introductory Carbon Balance Model (ICBM; Andrén and Kätterer, 1997).…”
Section: Introductionmentioning
confidence: 99%
“…We constructed a time series of tropospheric 14 CO 2 measurements from Vermunt (1959)(1960)(1961)(1962)(1963)(1964)(1965)(1966)(1967)(1968)(1969)(1970)(1971)(1972)(1973)(1974)(1975)(1976) and Schauinsland (1976-2011) (personal communication, Ingeborg Levin 2011, which are representative of sites influenced by fossil fuel emissions (Levin and Kromer, 2004). From the individual samples we calculated time-weighted averages for the summer months May to August which are commonly used for a good representation of the 14 C values in vegetation (Levin and Kromer, 2004).…”
Section: Atmospheric 14 C Recordmentioning
confidence: 99%
“…The complex land C cycle is controlled by a combination of biotic and abiotic factors which are reflected in model parameterization and structure. Mathematically, these processes are represented by a number of interconnected compartments; each releasing C according to the respective kinetic laws (Kuzyakov, 2011 several ensemble studies (Johns et al, 2011;Roeckner et al, 2011), which have significantly enhanced the understanding of models behavior but still lack the adequate information in attributing the sources of uncertainties. The increasingly complex global land models have become an integral tool for understanding the C cycle as well as analyzing various other hypotheses at different temporal 5 and spatial scales.…”
mentioning
confidence: 99%