Study on energy and C02 fluxes over winter wheat fields with different water treatments
不同水分条件麦田能量与CO2通量变化特征研究

Based on the observations on energy balance in winter wh eat fields with different water treatments in Shunyi County,Beijing,the daily an d diurnal variations of energy partitioning, albedo and CO 2 fluxes over the di fferent water treating fields are compared and analyzed. The results show that t he daily mean albedo is about 0.18during the jointing period, the latent and sen sible heat fluxes show significant difference under different water treatments. The daily variation of CO 2 flux above canopy is a parabola shape and the canop y is a sink of CO 2 in this period.