On the cover: Picture taken on 3 Sept. 2015 at 5:45 a.m. on top of the 54‐m‐tall tower (–2.609097222^° lat, –60.20929722^° long; the K34 tower) located in an old‐growth forest. The forest is at the Tropical Silviculture Experimental Station (also known as ZF2) 53 km north of the city of Manaus, Amazonas State, Brazil, in the central Amazon. See Negrón‐Juárez et al., “Calibration, measurement, and characterization of soil moisture dynamics in a central Amazonian tropical forest,” https://doi.org/10.1002/vzj2.20070. Photo by Robinson Negrón‐Juárez.

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封面图片3，第19卷，第1期

封面：2015年9月3日上午5:45拍摄的位于一座古老森林中的54层高塔楼（–2.609097222 ^°纬度，–60.20929722 ^°长； K34塔）顶部。该森林位于巴西亚马逊河中部巴西亚马逊州马瑙斯市以北53公里的热带造林实验站（也称为ZF2）。参见Negrón-Juárez等人，“亚马逊中部热带森林中土壤水分动态的校准，测量和表征”，https：//doi.org/10.1002/vzj2.20070。RobinsonNegrón-Juárez摄影。