Photosynthetic active radiation measurements of AG (1992-09-01)

Light: The absolute light values were not good. They were utilized in a relative manner (to determine the different % of light). In situ vertical profiles of photosynthetically active radiation (PAR) were measured using factory calibrated LICOR 1000 sensors. The light meter was malfunctioning. The light profile corresponding to P20 was utilized.

光亮度：绝对光值并不理想，故采用相对方式（用以确定不同光百分比）进行利用。现场垂直剖面光合有效辐射（PAR）的测量采用经过工厂校准的LICOR 1000传感器进行。光量计出现故障。故采用P20对应的光强剖面。