Analysis of water retention in soil horizons of two open trenches on a slope of Serra do Mar, Brazil, susceptible to landslidesCarolina V. Perdomo, Lidiane C. Nogueira, Miriam G. Miguel and Francisco S. B. LadeiraMATEC Web Conf., 337 (2021) 03015DOI: https://doi.org/10.1051/matecconf/202133703015