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document
Zhou, J. (author), Liu, Xuan (author), Xiong, Xuqian (author), Jia, Li (author), Lu, Jing (author), Cui, Yilin (author)
Satellite-based Earth Observation systems archived a variety of vegetation products during the last 50 years, which can reveal regional to global ecosystem dynamics across diverse spatiotemporal scales. The anomaly metrics such as Vegetation Condition Index (VCI) defined by comparing the current vegetation growth condition to historical...
conference paper 2022
document
Zhou, C. (author), van Nooijen, R.R.P. (author), Kolechkina, A.G. (author), Hrachowitz, M. (author)
Several commonly-used nonparametric change-point detection methods are analysed in terms of power, ability and accuracy of the estimated change-point location. The analysis is performed with synthetic data for different sample sizes, two types of change and different magnitudes of change. The methods studied are the Pettitt method, a method...
journal article 2019
document
Zhang, L. (author), Li, X. (author), Li, D. (author), Zhou, C. (author)
Important engineered slopes are often heavily instrumented and their performance routinely monitored through these instruments. The evaluation of the safety of the slopes based on the monitored information is however a challenge. A systematic method is presented in this paper for evaluating the slope safety by combining multi-source monitoring...
conference paper 2015