期刊
GEO-SPATIAL INFORMATION SCIENCE
卷 -, 期 -, 页码 -出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/10095020.2023.2165974
关键词
Earth system; carbon sink; response surface methodology; residual terrestrial carbon sink; global carbon cycle
This paper proposes a method to estimate the global karst carbon sink and analyzes the suitability of the response surface methodology and the fluctuating variation of karst carbon sink in global karst regions. The proposed method reduces the time of numerical calculation and is suitable for application in global weathering models. The future global karst carbon sink not only shows an upward trend but also exhibits significant fluctuations, possibly due to global warming.
For the estimation of global karst carbon sink, a few conventional methods usually require the parameters that are difficult to measure, resulting in the big cost. Moreover, under the constraints of incomplete and timeliness issues in the collection of data over a large region, it has remained a challenge for these methods to study global karst carbon sink. Therefore, this paper proposes estimating the global karst carbon sink, and analyzing the suitability of the response surface methodology and the fluctuating variation of karst carbon sink in global karst regions from 1951 to 2050. This paper shows that the proposed method can reduce the time of numerical calculation and is suitable for application in global weathering models; The global karst carbon sink in the future changes not only displays an upward trend but also exposures its fluctuating trend largely. This fluctuation is probably due to global warming.
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