[1] Dobriyal P, Qureshi A, Badola R, 2012. A review of the methods available for estimating soil moisture and its implications for water resource management. Journal of Hydrology, 458: 110-117. doi:  10.1016/j.jhydrol.2012.06.021
[2] Fu B J, Wang J, Chen L D et al., 2003. The effects of land use on soil moisture variation in the Danangou catchment of the Loess Plateau, China. Catena, 54: 197-213. doi: 10.1016/ S0341-8162(03)00065-1
[3] Hardie M A, Cotching W E, Doyle R B et al., 2011. Effect of antecedent soil moisture on preferential flow in a texture-contrast soil. Journal of Hydrology, 398(3-4): 191-201. doi:  10.1016/j.jhydrol.2010.12.008
[4] Hardie M, Lisson S, Doyle R et al., 2013. Determining the frequency, depth and velocity of preferential flow by high frequency soil moisture monitoring. Journal of Contaminant Hydrology, 144(1): 66-77. doi:  10.1016/j.jconhyd.2012.10.008
[5] He Z B, Zhao W Z, Liu H et al., 2012. The response of soil moisture to rainfall event size in subalpine grassland and meadows in a semi-arid mountain range: A case study in northwestern China's Qilian Mountains. Journal of Hydrology, 420: 183-190. doi:  10.1016/j.jhydrol.2011.11.056
[6] Heisler-White J L, Knapp A K, Kelly E F, 2008. Increasing precipitation event size increases aboveground net primary productivity in a semi-arid grassland. Oecologia, 158(1): 129-140. doi:  10.1007/s00442-008-1116-9
[7] Kim S, Lee H, Woo N C et al., 2007. Soil moisture monitoring on a steep hillside. Hydrological Processes, 21(21): 2910-2922. doi:  10.1002/hyp.6508
[8] Li Hengpeng, Liu Xiaomei, Huang Wenyu, 2004. The non-point output of different landuse types in Zhexi hydraulic region of Taihu Basin. Acta Geographica Sinca, 59(3): 401-408. (in Chinese)
[9] Li Yi, Shao Mingan, 2008. Infiltration characteristics of soil water on loess slope land under intermittent and repetitive rainfall conditions. Chinese Journal of Applied Ecology, 19(7): 1511-1516. (in Chinese)
[10] Lin H S, Bouma J, Wilding L et al., 2005. Advances in hydropedology. Advances in Agronomy, 85: 1-89. doi:  10.1016/S0065-2113(04)85001-6
[11] Lin H, Zhou X, 2008. Evidence of subsurface preferential flow using soil hydrologic monitoring in the Shale Hills catchment. European Journal of Soil Science, 59(1): 34-49. doi: 10.1111/ j.1365-2389.2007.00988.x
[12] Liu H, Lei T W, Zhao J et al., 2011. Effects of rainfall intensity and antecedent soil water content on soil infiltrability under rainfall conditions using the run off-on-out method. Journal of Hydrology, 396(1): 24-32. doi:  10.1016/j.jhydrol.2010.10.028
[13] Liu Zhandong, Gao Yang, Liu Zugui et al., 2012. Effects of rainfall characteristics and covering methods on soil moisture of winter wheat. Transactions of the Chinese Society of Agricultural Engineering, 28(13): 113-120. (in Chinese)
[14] Loague K, 1992. Soil water content at R-5, 1, spatial and temporal variability. Journal of Hydrology, 139(1-4): 233-251. doi:  10.1016/0022-1694(92)90204-9
[15] Miller P C, Poole D K, Miller P M, 1983. The influence of annual precipitation, topography, and vegetative cover on soil- moisture and summer drought in southern-California. Oecologia, 56(2): 385-391. doi:  10.1007/BF00379717
[16] Mittelbach H, Lehner I, Seneviratne S I, 2012. Comparison of four soil moisture sensor types under field conditions in Switzerland. Journal of Hydrology, 430: 39-49. doi: 10.1016/ j.jhydrol.2012.01.041
[17] Oki T, Kanae S, 2006. Global hydrological cycles and world water resources. Science, 313(5790): 1068-1072. doi: 10.1126/ science.1128845
[18] Robinson D A, Campbell C S, Hopmans J W et al., 2008. Soil moisture measurement for ecological and hydrological watershed-scale observatories: A review. Vadose Zone Journal, 7(1): 358-389. doi:  10.2136/vzj2007.0143
[19] Rodriguez-Iturbe I, D'Odorico P, Porporato A et al., 1999. On the spatial and temporal links between vegetation, climate, and soil moisture. Water Resources Research, 35(12): 3709-3722. doi:  10.1029/1999WR900255
[20] Schjønning P, Thomsen I K, Moldrup P et al., 2003. Linking soil microbial activity to water-and air-phase contents and diffusivities. Soil Science Society of America Journal, 67(1): 156-165. doi:  10.2136/sssaj2003.0156
[21] Schmidt J P, Sripada R P, Beegle D B et al., 2011. Within-field variability in optimum nitrogen rate for corn linked to soil moisture variability. Soil Science Society of America Journal, 75(1): 306-316. doi:  10.2136/sssaj2010.0184
[22] Schrumpf M, Axmacher J C, Zech W et al., 2011. Net precipitation and soil water dynamics in clearings, old secondary and old-growth forests in the montane rain forest belt of Mount Kilimanjaro, Tanzania. Hydrological Processes, 25(3): 418-428. doi:  10.1002/hyp.7798
[23] Shan Yongjie, Pu Lijie, Zhang Jian et al., 2011. Analysis of soil erosion rules of typical mountain along Taihu Lake Basin using 137Cs-based tracer method. Journal of Soil and Water Conservation, 25(2): 29-32. (in Chinese)
[24] Sharafatmandrad M, Mesdaghi M, Bahremand A et al., 2010. The role of litter in rainfall interception and maintenance of superficial soil water content in an arid rangeland in Khabr National Park in south-eastern Iran. Arid Land Research and Management, 24(3): 213-222. doi:  10.1080/15324981003762422
[25] Tiemeyer B, Lennartz B, Kahle P, 2008. Analysing nitrate losses from an artificially drained lowland catcnment (North-eastern Germany) with a mixing model. Agriculture, Ecosystems & Environment, 123(1-3): 125-136. doi: 10.1016/j.agee.2007. 05.006
[26] Uchida T, Kosugi K I, Mizuyama T, 2001. Effects of pipeflow on hydrological process and its relation to landslide: A review of pipeflow studies in forested headwater catchments. Hydrological Processes, 15(11): 2151-2174. doi:  10.1002/hyp.281
[27] Van der Salm C, van den Toorn A, Chardon W J et al., 2012. Water and nutrient transport on a heavy clay soil in a fluvial plain in The Netherlands. Journal of Environmental Quality, 41(1): 229-241. doi:  10.2134/jeq2011.0292
[28] Venkatesh B, Lakshman N, Purandara B K et al., 2011. Analysis of observed soil moisture patterns under different land covers in western Ghats, India. Journal of Hydrology, 397(3): 281-294. doi:  10.1016/j.jhydrol.2010.12.006
[29] Vepraskas M J, Heitman J L, Austin R E, 2010. Future directions for hydropedology: Quantifying impacts of global change on land use. Hydrology and Earth System Sciences, 13: 1427-1438. doi:  10.5194/hess-13-1427-2009
[30] Wang S, Fu B, Gao G et al., 2013. Responses of soil moisture in different land cover types to rainfall events in a re-vegetation catchment area of the Loess Plateau, China. Catena, 101: 122-128. doi:  10.1016/j.catena.2012.10.006
[31] Wilson D J, Western A W, Grayson R B, 2004. Identifying and quantifying sources of variability in temporal and spatial soil moisture observations. Water Resource Research, 40(2): W02507. doi:  10.1029/2003WR002306
[32] Yaseef N R, Yakir D, Rotenberg E et al., 2010. Ecohydrology of a semi-arid forest: Partitioning among water balance components and its implications for predicted precipitation changes. Ecohydrology, 3(2): 143-154. doi:  10.1002/eco.65
[33] Zehe E, Blöschl G, 2004. Predictability of hydrologic response at the plot and catchment scales: Role of initial conditions. Water Resource Research, 40(10): W10202. doi: 10.1029/2003WR 002869
[34] Zhou Q, Jun S, Akira S, 2002. Temporal variations of the three-dimensional rainfall infiltration process in heterogeneous soil. Water Resources Research, 38(4): 1-15. doi: 10.1029/ 2001WR000349
[35] Zhu Q, Lin H S, 2009. Simulation and validation of concentrated subsurface lateral flow paths in an agricultural landscape. Hydrology and Earth System Sciences, 13: 1503-1518. doi:  10.5194/hess-13-1503-2009
[36] Zhu Q, Nie X F, Zhou X B et al., 2014. Soil moisture response to rainfall at different topographic positions along a mixed land-use hillslope. Catena, 119: 61-70. doi: 10.1016/j.catena. 2014.03.010
[37] Zhu Q, Schmidt J P, Lin H S et al., 2009. Hydropedological processes and their implications for nitrogen availability to corn. Geoderma, 154(1-2): 111-122. doi: 10.1016/j.geoderma. 2009.10.004