Ekotoxa s.r.o.-Centre for Environment and Land Assessment, Otická 37, 746 01 Opava, Czech Republic.
Environ Pollut. 2011 May;159(5):1024-34. doi: 10.1016/j.envpol.2010.11.037. Epub 2010 Dec 22.
Daily ozone deposition flux to a Norway spruce forest in Czech Republic was measured using the gradient method in July and August 2008. Results were in good agreement with a deposition flux model. The mean daily stomatal uptake of ozone was around 47% of total deposition. Average deposition velocity was 0.39 cm s(-1) and 0.36 cm s(-1) by the gradient method and the deposition model, respectively. Measured and modelled non-stomatal uptake was around 0.2 cm s(-1). In addition, net ecosystem production (NEP) was measured by using Eddy Covariance and correlations with O3 concentrations at 15 m a.g.l., total deposition and stomatal uptake were tested. Total deposition and stomatal uptake of ozone significantly decreased NEP, especially by high intensities of solar radiation.
2008 年 7 月和 8 月，采用梯度法测量了捷克共和国挪威云杉林的日臭氧沉积通量。结果与沉积通量模型吻合较好。臭氧的日平均气孔吸收量约占总沉积量的 47%。平均沉积速度分别为梯度法和沉积模型的 0.39 cm s(-1)和 0.36 cm s(-1)。测定和模拟的非气孔吸收量约为 0.2 cm s(-1)。此外，通过涡度相关法测量了净生态系统生产力（NEP），并测试了臭氧浓度在 15 m 高（a.g.l.）、总沉积量和气孔吸收量与 NEP 的相关性。臭氧的总沉积量和气孔吸收量显著降低了 NEP，尤其是在高强度太阳辐射下。
