TY - GEN AU - Sánchez Marañón, Manuel AU - Ortega Pérez, Raúl AU - Miralles Mellado, Isabel AU - Soriano Rodríguez, Miguel PY - 2007 SN - 0016-7061 UR - http://hdl.handle.net/10835/15921 AB - The colour of a soil changes with its water content. This paper investigates the ability of spectrophotometric colour measurement to predict soil mass wetness (w). We looked at the CIELAB parameters (L⁎, C⁎ab, hab) and spectral profile of 76 A... LA - en PB - ELSEVIER KW - Soil colour KW - Water retention KW - Regression model KW - Spectrophotometer TI - Estimating the mass wetness of Spanish arid soils from lightness measurements ER -