globalchange  > 全球变化的国际研究计划
DOI: 10.1080/07011784.2019.1640138
WOS记录号: WOS:000478231400001
论文题名:
Modelling historical and potential future climate impacts on Keremeos Creek, an Okanagan-Similkameen watershed, British Columbia, Canada: Part II. Forecasting change in farm-level greenhouse gas emissions
作者: Mirmasoudi, Shaghayegh1; Byrne, James1; Kroebel, Roland2; Johnson, Daniel1; MacDonald, Ryan1
通讯作者: Mirmasoudi, Shaghayegh
刊名: CANADIAN WATER RESOURCES JOURNAL
ISSN: 0701-1784
EISSN: 1918-1817
出版年: 2019
语种: 英语
英文关键词: GHG emissions ; climate change ; agriculture ; GENESYS model ; Holos v3 ; 0 ; 3 model
WOS关键词: AGRICULTURAL SOILS ; PROPOSED APPROACH ; TEMPERATURE ; SENSITIVITY ; REDUCE
WOS学科分类: Water Resources
WOS研究方向: Water Resources
英文摘要:

This manuscript, Part II of a climate change impacts assessment series, describes changes in CO2, CH4, and N2O emissions and soil carbon storage on a theoretical farm in the Keremeos Creek watershed under scenarios of historical and potential climate using Holos v3.0.3 greenhouse gas (GHG) emissions model. The GENerate Earth SYstems Science input (GENESYS) spatial hydro-meteorological model outputs from Part I, which represent future hydro-meteorological conditions in the watershed under the ensemble averages of 15 General Circulation Models (GCMs) for two Representative Concentration Pathways (RCP) scenarios (RCP 4.5 and RCP 8.5) and three time periods (2011-2040, 2041-2070, and 2071-2100) relative to the 1961-1990 base period, are adapted to provide Holos v3.0.3 inputs. Adapting the GENESYS output facilitated Holos v3.0.3 modelling of farm GHG emissions to determine whether the simulated farm with both beef and crop production becomes a carbon sink, or source. The result demonstrated that there may be reductions in emissions related to enteric CH4, manure CH4, manure direct N2O, and indirect N2O for different climate change scenarios and time periods. However, there may also be increases in crop direct N2O and energy use CO2 for the same scenarios. Furthermore, soil carbon storage under fruit tree orchards is expected to increase. According to this result, the simulated farm in the Keremeos Creek watershed is a carbon sink and the carbon capture projects an increase to higher levels, depending on different climate change scenarios and time periods. However, if the simulation is conducted without fruit tree orchards as a carbon sink, the simulated farm in the Keremeos Creek watershed is a carbon source and the carbon emissions will increase for different climate change scenarios and time periods. These results demonstrate the importance of woody crops as a mitigation option for reducing farm-level GHG emissions in future.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/143562
Appears in Collections:全球变化的国际研究计划

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作者单位: 1.Univ Lethbridge, Dept Geog, Lethbridge, AB, Canada
2.Agr & Agri Food Canada, Lethbridge Res & Dev Ctr, Lethbridge, AB, Canada

Recommended Citation:
Mirmasoudi, Shaghayegh,Byrne, James,Kroebel, Roland,et al. Modelling historical and potential future climate impacts on Keremeos Creek, an Okanagan-Similkameen watershed, British Columbia, Canada: Part II. Forecasting change in farm-level greenhouse gas emissions[J]. CANADIAN WATER RESOURCES JOURNAL,2019-01-01
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