干旱区生态环境知识资源中心(Arid): Understanding the Resilience of Soil Moisture Regimes

Arid

DOI	10.1029/2018WR024495
	Understanding the Resilience of Soil Moisture Regimes
	Feng, Maoyuan; Liu, Pan; Cai, Ximing; Wallington, Kevin; Shi, Liangsheng; Li, Yu
通讯作者	Liu, P (corresponding author), Wuhan Univ, State Key Lab Water Resources & Hydropower Engn S, Wuhan, Hubei, Peoples R China. ; Cai, XM (corresponding author), Univ Illinois, Dept Civil & Environm Engn, Ven Te Chow Hydrosyst Lab, Urbana, IL 61820 USA. ; Liu, P (corresponding author), Hubei Prov Collaborat Innovat Ctr Water Resources, Wuhan, Hubei, Peoples R China.
来源期刊	WATER RESOURCES RESEARCH
ISSN	0043-1397
EISSN	1944-7973
出版年	2019
卷号	55 期号:9 页码:7541-7563
英文摘要	Resilience of soil moisture regimes (SMRs) describes the stability of a particular SMR and its ability to withstand disturbances. This study analyzes the resilience of SMRs with quantifiable ecological (ECO-) and engineering (ENG-) metrics for a stochastic dynamic soil moisture system. The SMR is defined by the stationary state, described by a stationary probability distribution function (pdf), of the soil moisture dynamical system, and further classified into arid, semiarid, semiwet, and wet classes. Applying the stationary pdf of soil moisture dynamics derived by Rodriguez-Iturbe et al. (1999, ) and Laio, Porporato, Ridolfi, et al. (2001, ), the ENG- and ECO- resilience metrics of the various SMRs are quantified. We show that the recovery rate of soil moisture is a convex function of the expected soil moisture at the stationary state?the recovery rate reaches a minimum value at some intermediate soil moisture status. We also show that the maximum acceptable changes in the infiltration condition indicate the capacity of a system to avoid possible regime shifts. SMR shifts are characterized by phenomena of stagnation and hysteresis, which suggest two distinct thresholds for SMR shifts and their reversions. In particular, the semiwet SMR that is favorable to agriculture requires stricter infiltration conditions than other SMRs. This resilience analysis provides better understanding of how natural hydrological conditions control soil moisture, which helps provide guidance on maintaining SMRs suitable for agricultural activities and desertification prevention.
英文关键词	soil moisture regime resilience stationary pdf recovery rates regime shift agricultural planning
类型	Article
语种	英语
开放获取类型	Bronze
收录类别	SCI-E ; SSCI
WOS记录号	WOS:000492139200005
WOS关键词	WATER-CONTROLLED ECOSYSTEMS ; HYDROLOGIC PROCESSES ; ACTIVE-ROLE ; MALTHUSIAN STAGNATION ; SHIFTS ; DYNAMICS ; DESERTIFICATION ; STRESS ; PLANTS ; POPULATION
WOS类目	Environmental Sciences ; Limnology ; Water Resources
WOS研究方向	Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/369698
作者单位	[Feng, Maoyuan; Liu, Pan; Shi, Liangsheng] Wuhan Univ, State Key Lab Water Resources & Hydropower Engn S, Wuhan, Hubei, Peoples R China; [Feng, Maoyuan; Cai, Ximing; Wallington, Kevin] Univ Illinois, Dept Civil & Environm Engn, Ven Te Chow Hydrosyst Lab, Urbana, IL 61820 USA; [Feng, Maoyuan; Liu, Pan] Hubei Prov Collaborat Innovat Ctr Water Resources, Wuhan, Hubei, Peoples R China; [Li, Yu] Dalian Univ Technol, Sch Hydraul Engn, Dalian, Peoples R China
推荐引用方式 GB/T 7714	Feng, Maoyuan,Liu, Pan,Cai, Ximing,et al. Understanding the Resilience of Soil Moisture Regimes[J],2019,55(9):7541-7563.
APA	Feng, Maoyuan,Liu, Pan,Cai, Ximing,Wallington, Kevin,Shi, Liangsheng,&Li, Yu.(2019).Understanding the Resilience of Soil Moisture Regimes.WATER RESOURCES RESEARCH,55(9),7541-7563.
MLA	Feng, Maoyuan,et al."Understanding the Resilience of Soil Moisture Regimes".WATER RESOURCES RESEARCH 55.9(2019):7541-7563.