Chen W, Zhuang J, Yu W, Wang Z (2009) Measuring complexity using fuzzy RN, ApEn, and SampEn. Medical Engineering and Physics 31(1):61.
Costa M, Goldberger AL, Peng CK (2002) Multi-scale entropy analysis of complex physiologic time series. Physical Review Letters 89(6):1–4.
Costa M, Goldberger AL, Peng CK (2005) Multiscale entropy analysis of biological signals. Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics 71(1-2):1-18.
Costa M, Peng CK, Goldberger AL, Hausdorff JM (2003) Multiscale entropy analysis of human gait dynamics. Physica A 330:53–60.
Huang F, Xia Z, Zhang N, Zhang Y, Li J (2011) Flow-complexity analysis of the upper reaches of the Yangtze river China. Journal of Hydrologic Engineering 16:914-919.
Kendall MG (1975) Rank correlation methods. Hafner Press, NYC, 272p.
Lake DE, Richman JS, Griffin PM, Moorman JR (2002) Sample entropy analysis of neonatal heart rate variability. American Journal of Physiology 283(3):789–797.
Li SC, Zhou QF, Wu SH, Dai EF (2006) Measurement of climate complexity using sample entropy. International Journal of Climatology 26(15):2131–2139.
Li Z, Zhang YK (2008) Multi-scale entropy analysis of Mississippi river flow. Stochastic Environmental Research and Risk Assessment 22(4):507–512.
Liu D, Qiang Fu, Hu Y, Wu Q (2015) Complexity measure of regional groundwater resources system based on wavelet entropy: A case study of Jiansanjiang administration of Heilongjiang land reclamation in China. Environ Earth Science 73(3):1033–1043.
Mann HB (1945) Nonparametric tests against trend. Econometrica 13, 245–259.
Maruyama T, Kawachi T, Singh VP (2005) Entropy-based assessment and clustering of potential water resources availability. Journal of Hydrology 309:104–113.
Mays DC, Faybishenko BA, Finsterle S (2002) Information entropy to measure temporal and spatial complexity of unsaturated flow in heterogeneous media. Water Resources Research 38(12): 1313-1323.
Ozkul S, Harmancioglu NB, Singh VP (2000) Entropy-based assessment of water quality monitoring networks. Journal of Hydrologic Engineering 5:90–100.
Pincus SM (1991) Approximate entropy as a measure of system complexity. Proceedings of the National Academy of Sciences 88(6):2297-2301.
Pincus SM, (1995) Approximate entropy (ApEn) as a complexity measure. Chaos 5(1):110–117.
Pincus SM, Cummins TR, Haddad GG (1993) Heart rate control in normal and aborted-SIDS infants. American Journal of Physiology – Regulatory, Integrative and Comparative Physiology 264(3): 638–646.
Richman JS, Moorman JR (2000) Physiological time-series analysis using approximate entropy and sample entropy. American Journal of Physiology-Heart and Circulatory Physiology 278(6):2039–2049.
Tochigi Y, Segal NA, Vaseenon T, Brown TD (2012) Entropy analysis of tri-axial leg acceleration signal waveforms for measurement of decrease of physiological variability in human gait. Journal of Orthopaedic Research 30(6):897-904.
Wang D, Chen YF, Li GF, Xu YH (2004) Maximum entropy spectral analysis for annual maximum tide levels time series of the Changjiang river estuary. Journal of Coastal Research 43:101-108.
Wu SD, Wu CW, Lin SG, Wang CC, Lee KY (2013) Time series analysis using composite multiscale entropy. Entropy 15(3):1069-1084.
Zhang Q, Xu CY, Becker S, Jiang T (2006) Sediment and runoff changes in the Yangtze river basin during past 50 years. Journal of Hydrology 331:511–523.
Zhang Q, Xu CY, Chen X, Lu X (2012) Abrupt changes in the discharge and sediment load of the Pearl river, China. Hydrological Processes 26(10):1495–1508.
Zhou Y, Zhang Q, Li K, Chen X (2012) Hydrological effects of water reservoirs on hydrological processes in the east river (China) basin: Complexity evaluations based on the multi-scale entropy analysis. Hydrological Processes 26:3253–3262.