Results 1 to 10 of about 219 (184)

Early-Warning Signals of Drought-Flood State Transition over the Dongting Lake Basin Based on the Critical Slowing Down Theory [PDF]

Atmosphere, 2021
In this study, the standardized precipitation index (SPI) data in Hunan Province from 1961 to 2020 is adopted. Based on the critical slowing down theory, the moving t-test is firstly used to determine the time of drought-flood state transition in the ...
Hao Wu, Wei Hou, Dongdong Zuo, Pengcheng Yan, Yuxing Zeng   +4 more
doaj   +4 more sources

Predicting Dike Piping Hazards Using Critical Slowing Down Theory on Electrical Signals

Applied Sciences
Early warning signals of critical transitions in the piping process are essential for predicting dike hazards. This study proposes a new approach that combines Critical Slowing Down (CSD) theory with electrical signals analysis to identify precursor ...
Tongtong Wang, Yuan Wang, Jie Ren
doaj   +4 more sources

Failure prediction of fissured rock under freeze-thaw cycles based on critical slowing down theory of acoustic emission multi-parameter

Results in Engineering
Fissured rocks in cold regions are affected by freeze-thaw (FT) cycles and stress disturbances, posing significant challenges to engineering projects in these areas.
Xiaodie Liang, Zhixiang Liu, Kang Peng, Houqiang Wang, Shuangxia Zhang, Congxiang Yuan   +5 more
doaj   +4 more sources

Critical slowing down theory provides early warning signals for sandstone failure

Frontiers in Earth Science, 2022
The critical point of rock mass transition from stable to unstable states is significant for the prevention and control of rock engineering hazards. This study explored the precursor characteristics of instability in sandstone containing prefabricated ...
Yao Tang, Yao Tang, Xing Zhu, Xing Zhu, Chunlei He, Chunlei He, Jiewei Hu, Jiewei Hu, Jie Fan, Jie Fan   +9 more
doaj   +2 more sources

Identification of Groundwater Radon Precursory Anomalies by Critical Slowing down Theory: A Case Study in Yunnan Region, Southwest China [PDF]

Water, 2022
In this study, we use the critical slowing down (CSD) theory to identify the precursory anomalies of groundwater radon based on the 1000-day continuous data from 8 monitoring stations in Yunnan Province, China during the seismically active period of 1993–1996.
Qiao, Zhiyuan, Wang, Guangcai, Fu, Hong, Hu, Xiaojing   +3 more
openaire   +3 more sources

Early Warning Signals of Dry-Wet Transition Based on the Critical Slowing Down Theory: An Application in the Two-Lake Region of China

Atmosphere, 2023
In recent years, the dry-wet transition (DWT), which often leads to regional floods and droughts, has become increasingly frequent in the Poyang Lake basin and the Dongting Lake basin (hereinafter referred to as the two-lake region).
Hao Wu, Pengcheng Yan, Wei Hou, Jinsong Wang, Dongdong Zuo   +4 more
doaj   +2 more sources

Early Warning Signals of Dry-Wet Transition in China in Recent 60 Years

Gaoyuan qixiang, 2023
In recent years， the dry-wet transition has become more and more frequent.The dry-wet transition is related to the formation of regional flood， drought and other disaster events.It is a hot scientific issue in the current nonlinear dynamics research that
Hao WU, Jinsong WANG, Wei HOU, Yiping LI, Ying WANG   +4 more
doaj   +1 more source

Progress applying density of states for gravitational waves [PDF]

EPJ Web of Conferences, 2022
Many models of composite dark matter feature a first-order confinement transition in the early Universe, which would produce a stochastic background of gravitational waves that will be searched for by future gravitationalwave observatories.
Springer Felix, Schaich David
doaj   +1 more source

Infrared precursor of pre-cracked coal failure based on critical slowing down

Geomatics, Natural Hazards & Risk, 2022
In order to study the precursor information of infrared radiation temperature of coal containing macro-cracks during load bearing damage, infrared monitoring tests of coal instability damage under different crack inclination angles are designed. Based on
Tianxuan Hao, Fan Li, Yiju Tang, Lizhen Zhao, Zehua Wang   +4 more
doaj   +1 more source

Critical Slowing Down Exponents of Mode Coupling Theory [PDF]

Physical Review Letters, 2012
A method is provided to compute the exponent parameter λ yielding the dynamic exponents of critical slowing down in mode coupling theory. It is independent from the dynamic approach and based on the formulation of an effective static field theory. Expressions of λ in terms of third order coefficients of the action expansion or, equivalently, in terms ...
Caltagirone F, Ferrari U, Leuzzi L, Parisi G, RicciTersenghi F, Rizzo T   +5 more
openaire   +5 more sources