scholarly journals Temperature sensitivity of soil carbon decomposition and feedbacks to climate change

Nature ◽  
2006 ◽  
Vol 440 (7081) ◽  
pp. 165-173 ◽  
Author(s):  
Eric A. Davidson ◽  
Ivan A. Janssens
Keyword(s):  
Climate Change ◽  
Soil Carbon ◽  
Temperature Sensitivity ◽  
Carbon Decomposition

Study on Engineering-Material Properties and Influences of Incubated Temperatures on Soil Carbon Decomposition

2013 ◽  
Vol 675 ◽  
pp. 280-283
Author(s):  
Qiu Xiang Tian ◽  
Hong Bo He ◽  
Xu Dong Zhang
Keyword(s):  
Soil Carbon ◽  
Temperature Sensitivity ◽  
Carbon Materials ◽  
Thermal Adaptation ◽  
Soil Environment ◽  
Carbon Decomposition ◽  
Environment Temperature ◽  
Carbon Release ◽  
Higher Temperature ◽  
Lower Temperature

The mineralization of soil carbon materials potentially alters carbon release from soil and the atmospheric carbon concentration in engineering. Despite this central role in the decomposition of soil carbon materials, few studies have been conducted on how climate warming affects this carbon emissions and then response in return back. To study this, five soils were incubated in 5, 15, 25 °C for one month. Soil shifted to warming condition slowed down the increasing rate of decomposition causing by higher temperature. Furthermore, raising the soil environment temperature to 25 °C weakened the temperature sensitivity of the decomposition of these carbon materials, and the temperature sensitivity enhanced at lower temperature. This “thermal adaptation” of carbon material would potentially slow down carbon loss which accelerated by climate change technically.

Conifer wood biochar as an amendment for agricultural soils in South-Tyrol: impact on greenhouse gases emissions and soil carbon stocks

2020 ◽  
Author(s):  
Irene Criscuoli ◽  
Maurizio Ventura ◽  
Katja Wiedner ◽  
Bruno Glaser ◽  
Pietro Panzacchi ◽  
...  
Keyword(s):  
Climate Change ◽  
Greenhouse Gases ◽  
Soil Carbon ◽  
Temperature Sensitivity ◽  
Carbon Stocks ◽  
First Year ◽  
South Tyrol ◽  
The Impact ◽  
Conifer Wood ◽  
Over Time

<p>Biochar is a carbonaceous material produced through the pyro-gasification of biomass. In the last decade, biochar has been proposed as a soil amendment because it can improve soil physico-chemical properties and carbon stocks, contributing to climate change mitigation.</p><p>In the framework of the Wood-Up project (Optimization of WOOD gasification chain in South Tyrol to prodUce bioenergy and other high-value green Products to enhance soil fertility and mitigate climate change, FESR1028), we studied the impact of conifer wood biochar on the emissions of the main greenhouse gases (GHGs) from the soil: carbon dioxide (CO<sub>2</sub>), nitrous oxide (N<sub>2</sub>O) and methane (CH<sub>4</sub>), as well as on the soil carbon stock of agricultural fields in South Tyrol.</p><p>In May 2017, 25 and 50 t ha<sup>-1</sup> of pure biochar and biochar mixed with compost (45 t ha<sup>-1</sup>), were applied to the soil of a vineyard near Merano (South-Tyrol, northern Italy) following a randomized block experimental design with four replicates per treatment.</p><p>Soil GHGs fluxes were monitored from June 2017 until December 2019. Fluxes were measured, in real time, with a high-resolution portable multi-gas analyzer based on cavity ring-down spectroscopy technology (Picarro inc., Santa Clara, CA, USA) connected to an automated dynamic chambers system (Eosense Inc., Dartmouth, NS, Canada). Gas emissions were measured monthly and were related to soil temperature and moisture to evaluate the impact of treatments on the sensitivity of GHGs fluxes to environmental parameters. The stability of conifer wood biochar in soil was assessed through the quantification of the Benzene PolyCarboxylic Acids (BPCA), specific biomarkers of black carbon, over time. The BPCA content in the soil was measured before the application of biochar and compost, three weeks after the application and two years later.</p><p>During the first year of experiment, in biochar-amended soils, we observed a reduction of the temperature sensitivity of all GHGs fluxes in comparison to treatments without biochar (control and compost alone). In the second and third year an opposite trend was observed, with an increase of temperature sensitivity of GHGs fluxes in biochar-treated soil. The change of biochar effect over time might be linked to biochar ageing in soil. However, a role of soil moisture cannot be excluded, as it was higher in the first year of experiment. The experimental results will be presented in the broader context of the Wood-Up project.</p>

scholarly journals Temperature sensitivity of mineral soil carbon decomposition in shrub and graminoid tundra, west Greenland

2016 ◽  
Vol 3 (1) ◽  
Author(s):  
Julia I. Bradley-Cook ◽  
Chelsea L. Petrenko ◽  
Andrew J. Friedland ◽  
Ross A. Virginia
Keyword(s):  
Soil Carbon ◽  
Temperature Sensitivity ◽  
Mineral Soil ◽  
West Greenland ◽  
Carbon Decomposition

Temperature sensitivity of soil carbon decomposition due to shifts in soil extracellular enzymes after afforestation

Geoderma ◽  
2020 ◽  
Vol 374 ◽  
pp. 114426
Author(s):  
J.Y. Wang ◽  
C.J. Ren ◽  
X.X. Feng ◽  
L. Zhang ◽  
R. Doughty ◽  
...  
Keyword(s):  
Soil Carbon ◽  
Temperature Sensitivity ◽  
Extracellular Enzymes ◽  
Carbon Decomposition

Inversely estimating temperature sensitivity of soil carbon decomposition by assimilating a turnover model and long-term field data

2012 ◽  
Vol 46 ◽  
pp. 191-199 ◽  
Author(s):  
Gen Sakurai ◽  
Mayuko Jomura ◽  
Seiichiro Yonemura ◽  
Toshichika Iizumi ◽  
Yasuhito Shirato ◽  
...  
Keyword(s):  
Soil Carbon ◽  
Temperature Sensitivity ◽  
Field Data ◽  
Carbon Decomposition ◽  
Turnover Model ◽  
Term Field

Biochar decreased the temperature sensitivity of soil carbon decomposition in a paddy field

2017 ◽  
Vol 249 ◽  
pp. 156-164 ◽  
Author(s):  
Junmin Pei ◽  
Shuo Zhuang ◽  
Jun Cui ◽  
Jinquan Li ◽  
Bo Li ◽  
...  
Keyword(s):  
Soil Carbon ◽  
Temperature Sensitivity ◽  
Paddy Field ◽  
Carbon Decomposition

Exclusion of Plant Input Affects the Temperature Sensitivity of Soil Carbon Decomposition

2022 ◽  
Author(s):  
Xiuwei Zhang ◽  
Biao Zhu ◽  
Fei-Hai Yu ◽  
Peng Wang ◽  
Weixin Cheng
Keyword(s):  
Soil Carbon ◽  
Temperature Sensitivity ◽  
Carbon Decomposition
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