农业气象复习资料(学渣版)

农业气象复习资料(学渣版)

定义：Agrometeorology is the science that investigates the interaction between meteorological and hydrological factors, on the one hand, and agriculture in the widest sense, including horticulture, animal husbandry and forestry, on the other hand.（ppt上的，学霸总结的跟这略有不同）

研究对象：

1、Not only Includes the living system, its production procedure or meteorological environment, but the interactions between the living body and meteorological conditions. (不仅包括生物有机体和气象环境，更重要的是两者之间的关系和相互作用规律)

2、On the one hand, it concerns meteorological conditions required for agricultural production as well as its influence on agricultural production;（气象条件对农业生产的影响）

3、on the other hand, it also studies the influence of agricultural production on meteorological conditions.（农业生产对气象条件的影响）

研究主要内容：

1、Basic method and theoretical research .（农业气象基本方法和理论的研究）

4、Agricultural micrometeorology（农业微气象研究）

5、Agricultural meteorological disasters assessment, prevention and reduction measures（农业气象灾害评估与减灾措施研究）

6、Research and service of special meteorology (专业气象服务)

光合作用模型（①通用经验模型②机械模型）：ppt lecture5 p/31

LUE在 lectuer6 p/22 LUE=H*W/PAR*100% 影响因素，如何提高LUE

以上据说必考，还有很多重点和不重点的，叶片反射折射投射率的关系图，叶片光合作用限制因子，不同颜色光的作用，光强，土壤水平衡方程........

还有lectuer3的最后problem的1、2问，有传言这个背了就能及格，貌似题目是这样的 Given the spectral properties of a leaf and the incoming solar radiation:

Wavelength Average leaf Total incident

interval absorptance energy

0.3-0.7/lm 0.85 450 W m-2

0.7-1.5/lm 0.20 380 W m-2

1.5-3.0/lm 0.65 70 W m-2

(i) Calculate (a) the shortwave energy absorbed by the leaf, (b) the shortwave absorption coefficient, (c) the leaf temperature (assuming that the environment is at 20°C, there is no latent or sensible heat exchange and e 1.0 for wavelengths greater that 3 /lm).

(ii) Why do leaves not usually reach this temperature?

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