Effects of soil warming and increased precipitation on greenhouse gas fluxes in spring maize seasons in the North China Plain

环境科学 温室气体 降水 全球变暖 气候变化 生长季节 生态系统 土壤水分 弹簧(装置) 农学 大气科学 生态学 土壤科学 地理 生物 地质学 工程类 机械工程 气象学
作者
Gong Wu,Xianmin Chen,Jun Ling,Fang Li,Feng‐Yuan Li,Leanne Peixoto,Yuan Wen,Shun‐Li Zhou
出处
期刊:Science of The Total Environment [Elsevier BV]
卷期号:734: 139269-139269 被引量:39
标识
DOI:10.1016/j.scitotenv.2020.139269
摘要

Climatic changes, such as global warming and altered precipitation are of major environmental concern. Given that ecosystem processes are strongly regulated by temperature and water content, climate changes are expected to affect the carbon (C) and nitrogen (N) cycles, especially in agricultural systems. However, the interactive effects of soil warming and increased precipitation on greenhouse gas emissions are poorly understood, particularly in the North China Plain (NCP). Therefore, a field experiment was conducted over two spring maize seasons (May-Sept.) in 2018 and 2019. Two levels of temperature (T0: ambient temperature; T1: increase on average of 4.0 °C) combined with two levels of precipitation (W0: no artificial precipitation; W1: +30% above ambient precipitation) were carried out in the NCP. Our results showed that soil warming significantly promoted cumulative N2O and CO2 emissions by 49% and 39%, respectively. Additionally, increased precipitation further enhanced the N2O and CO2 emissions by 54% and 14%, respectively. This suggests that high soil temperature and water content have the capacity to stimulate microbial activities, and thus accelerate the soil C and N cycles. Soil warming increased CH4 uptake by 293%, but increased precipitation had no effect on CH4 fluxes. Overall, soil warming and increased precipitation significantly enhanced the GHG budget by 39% and 16%, respectively. This study suggests that climate warming will lead to enhanced GHG emissions in the spring maize season in the NCP, while increased precipitation in the future may further stimulate GHG emissions in a warming world.
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
qweerrtt完成签到,获得积分10
6秒前
6秒前
与共发布了新的文献求助10
7秒前
carly完成签到 ,获得积分10
8秒前
颢懿完成签到 ,获得积分10
11秒前
量子星尘发布了新的文献求助10
12秒前
14秒前
ljc完成签到 ,获得积分10
15秒前
Java完成签到,获得积分10
19秒前
21秒前
鲤鱼安青完成签到 ,获得积分10
23秒前
23秒前
dollarpuff完成签到 ,获得积分10
26秒前
26秒前
mmmmmMM完成签到,获得积分10
33秒前
luckweb完成签到,获得积分10
39秒前
猫的毛完成签到 ,获得积分10
40秒前
nicky完成签到 ,获得积分10
41秒前
麦子完成签到 ,获得积分10
42秒前
42秒前
Wilson完成签到 ,获得积分10
43秒前
luckweb发布了新的文献求助10
43秒前
43秒前
47秒前
50秒前
传奇3应助wujiwuhui采纳,获得10
52秒前
开心寄松完成签到,获得积分10
54秒前
北宫完成签到 ,获得积分10
54秒前
wansida完成签到,获得积分10
58秒前
QXS完成签到 ,获得积分10
58秒前
59秒前
菠萝完成签到 ,获得积分10
59秒前
领导范儿应助Villanellel采纳,获得10
1分钟前
wintersss完成签到,获得积分10
1分钟前
尹尹发布了新的文献求助10
1分钟前
量子星尘发布了新的文献求助10
1分钟前
zzzzzz完成签到 ,获得积分10
1分钟前
坦率的枕头完成签到,获得积分10
1分钟前
XS_QI完成签到 ,获得积分10
1分钟前
与共发布了新的文献求助10
1分钟前
高分求助中
【提示信息,请勿应助】关于scihub 10000
Les Mantodea de Guyane: Insecta, Polyneoptera [The Mantids of French Guiana] 3000
徐淮辽南地区新元古代叠层石及生物地层 3000
The Mother of All Tableaux: Order, Equivalence, and Geometry in the Large-scale Structure of Optimality Theory 3000
Handbook of Industrial Diamonds.Vol2 1100
Global Eyelash Assessment scale (GEA) 1000
Picture Books with Same-sex Parented Families: Unintentional Censorship 550
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 4038066
求助须知:如何正确求助?哪些是违规求助? 3575779
关于积分的说明 11373801
捐赠科研通 3305584
什么是DOI,文献DOI怎么找? 1819239
邀请新用户注册赠送积分活动 892655
科研通“疑难数据库(出版商)”最低求助积分说明 815022