Diurnal variations of soil evaporation δ18O and factors affecting it in cropland in North China
YANG Bin, XIE Fu-Ti, WEN Xue-Fa, SUN Xiao-Min, WANG Jian-Lin
Chin J Plant Ecol . 2012, (6): 539 -549 .  DOI: 10.3724/SP.J.1258.2012.00539