Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1111/gcb.14362 |
Modelled biophysical impacts of conservation agriculture on local climates | |
Hirsch, Annette L.1; Prestele, Reinhard2; Davin, Edouard L.1; Seneviratne, Sonia I.1; Thiery, Wim1,3; Verburg, Peter H.2,4 | |
2018-10-01 | |
发表期刊 | GLOBAL CHANGE BIOLOGY |
ISSN | 1354-1013 |
EISSN | 1365-2486 |
出版年 | 2018 |
卷号 | 24期号:10页码:4758-4774 |
文章类型 | Article |
语种 | 英语 |
国家 | Switzerland; Netherlands; Belgium |
英文摘要 | Including the parameterization of land management practices into Earth System Models has been shown to influence the simulation of regional climates, particularly for temperature extremes. However, recent model development has focused on implementing irrigation where other land management practices such as conservation agriculture (CA) has been limited due to the lack of global spatially explicit datasets describing where this form of management is practiced. Here, we implement a representation of CA into the Community Earth System Model and show that the quality of simulated surface energy fluxes improves when including more information on how agricultural land is managed. We also compare the climate response at the subgrid scale where CA is applied. We find that CA generally contributes to local cooling (similar to 1 degrees C) of hot temperature extremes in mid-latitude regions where it is practiced, while over tropical locations CA contributes to local warming (similar to 1 degrees C) due to changes in evapotranspiration dominating the effects of enhanced surface albedo. In particular, changes in the partitioning of evapotranspiration between soil evaporation and transpiration are critical for the sign of the temperature change: a cooling occurs only when the soil moisture retention and associated enhanced transpiration is sufficient to offset the warming from reduced soil evaporation. Finally, we examine the climate change mitigation potential of CA by comparing a simulation with present-day CA extent to a simulation where CA is expanded to all suitable crop areas. Here, our results indicate that while the local temperature response to CA is considerable cooling (>2 degrees C), the grid-scale changes in climate are counteractive due to negative atmospheric feedbacks. Overall, our results underline that CA has a nonnegligible impact on the local climate and that it should therefore be considered in future climate projections. |
英文关键词 | CESM climate-effective land management CLM land-based mitigation subgrid-scale influences temperature extremes tillage |
领域 | 气候变化 ; 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000445728800024 |
WOS关键词 | NO-TILL AGRICULTURE ; EARTH SYSTEM MODEL ; LAND-COVER CHANGE ; GLOBAL PRECIPITATION ; SOIL REDISTRIBUTION ; CHANGE MITIGATION ; HOT EXTREMES ; IRRIGATION ; MANAGEMENT ; EROSION |
WOS类目 | Biodiversity Conservation ; Ecology ; Environmental Sciences |
WOS研究方向 | Biodiversity & Conservation ; Environmental Sciences & Ecology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/17626 |
专题 | 气候变化 资源环境科学 |
作者单位 | 1.Swiss Fed Inst Technol, Inst Atmospher & Climate Sci, CH-8092 Zurich, Switzerland; 2.Vrije Univ Amsterdam, Inst Environm Studies, Environm Geog Grp, Amsterdam, Netherlands; 3.Vrije Univ Brussel, Dept Hydrol & Hydraul Engn, Brussels, Belgium; 4.Swiss Fed Res Inst WSL, Birmensdorf, Switzerland |
推荐引用方式 GB/T 7714 | Hirsch, Annette L.,Prestele, Reinhard,Davin, Edouard L.,et al. Modelled biophysical impacts of conservation agriculture on local climates[J]. GLOBAL CHANGE BIOLOGY,2018,24(10):4758-4774. |
APA | Hirsch, Annette L.,Prestele, Reinhard,Davin, Edouard L.,Seneviratne, Sonia I.,Thiery, Wim,&Verburg, Peter H..(2018).Modelled biophysical impacts of conservation agriculture on local climates.GLOBAL CHANGE BIOLOGY,24(10),4758-4774. |
MLA | Hirsch, Annette L.,et al."Modelled biophysical impacts of conservation agriculture on local climates".GLOBAL CHANGE BIOLOGY 24.10(2018):4758-4774. |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论