2016
Murray-Tortarolo, G; Friedlingstein, P; Sitch, S; Jaramillo, V J; Murguia-Flores, F; Anav, A; Liu, Y; Arneth, A; Arvanitis, A; Harper, A; Jain, A; Kato, E; Koven, C; Poulter, B; Stocker, B D; Wiltshire, A; Zaehle, S; Zeng, N
The carbon cycle in Mexico: Past, present and future of C stocks and fluxes Journal Article
In: Biogeosciences, vol. 13, no. 1, pp. 223–238, 2016, ISSN: 17264189.
Abstract | Links | BibTeX | Tags: carbon cycle, Mexico
@article{Murray-Tortarolo2016,
title = {The carbon cycle in Mexico: Past, present and future of C stocks and fluxes},
author = {G Murray-Tortarolo and P Friedlingstein and S Sitch and V J Jaramillo and F Murguia-Flores and A Anav and Y Liu and A Arneth and A Arvanitis and A Harper and A Jain and E Kato and C Koven and B Poulter and B D Stocker and A Wiltshire and S Zaehle and N Zeng},
doi = {10.5194/bg-13-223-2016},
issn = {17264189},
year = {2016},
date = {2016-01-01},
journal = {Biogeosciences},
volume = {13},
number = {1},
pages = {223--238},
abstract = {textlessptextgreaterWe modelled the carbon (C) cycle in Mexico with a process-based approach. We used different available products (satellite data, field measurements, models and flux towers) to estimate C stocks and fluxes in the country at three different time frames: present (defined as the period 2000–2005), the past century (1901–2000) and the remainder of this century (2010–2100). Our estimate of the gross primary productivity (GPP) for the country was 2137 ± 1023 Tg C yrtextlesssuptextgreater−1textless/suptextgreater and a total C stock of 34 506 ± 7483 Tg C, with 20 347 ± 4622 Pg C in vegetation and 14 159 ± 3861 in the soil. textlessbrtextgreatertextless/brtextgreater Contrary to other current estimates for recent decades, our results showed that Mexico was a C sink over the period 1990–2009 (+31 Tg C yrtextlesssuptextgreater−1textless/suptextgreater) and that C accumulation over the last century amounted to 1210 ± 1040 Tg C. We attributed this sink to the COtextlesssubtextgreater2textless/subtextgreater fertilization effect on GPP, which led to an increase of 3408 ± 1060 Tg C, while both climate and land use reduced the country C stocks by −458 ± 1001 and −1740 ± 878 Tg C, respectively. Under different future scenarios the C sink will likely continue over 21st century, with decreasing C uptake as the climate forcing becomes more extreme. Our work provides valuable insights on relevant driving processes of the C-cycle such as the role of drought in marginal lands (e.g. grasslands and shrublands) and the impact of climate change on the mean residence time of C in tropical ecosystems.textless/ptextgreater},
keywords = {carbon cycle, Mexico},
pubstate = {published},
tppubtype = {article}
}
textlessptextgreaterWe modelled the carbon (C) cycle in Mexico with a process-based approach. We used different available products (satellite data, field measurements, models and flux towers) to estimate C stocks and fluxes in the country at three different time frames: present (defined as the period 2000–2005), the past century (1901–2000) and the remainder of this century (2010–2100). Our estimate of the gross primary productivity (GPP) for the country was 2137 ± 1023 Tg C yrtextlesssuptextgreater−1textless/suptextgreater and a total C stock of 34 506 ± 7483 Tg C, with 20 347 ± 4622 Pg C in vegetation and 14 159 ± 3861 in the soil. textlessbrtextgreatertextless/brtextgreater Contrary to other current estimates for recent decades, our results showed that Mexico was a C sink over the period 1990–2009 (+31 Tg C yrtextlesssuptextgreater−1textless/suptextgreater) and that C accumulation over the last century amounted to 1210 ± 1040 Tg C. We attributed this sink to the COtextlesssubtextgreater2textless/subtextgreater fertilization effect on GPP, which led to an increase of 3408 ± 1060 Tg C, while both climate and land use reduced the country C stocks by −458 ± 1001 and −1740 ± 878 Tg C, respectively. Under different future scenarios the C sink will likely continue over 21st century, with decreasing C uptake as the climate forcing becomes more extreme. Our work provides valuable insights on relevant driving processes of the C-cycle such as the role of drought in marginal lands (e.g. grasslands and shrublands) and the impact of climate change on the mean residence time of C in tropical ecosystems.textless/ptextgreater
