二、土壤温度的变化 (Soil temperature variation) 1．土壤温度的日变化(Daily variation) 特点： （1）土表温度最大值出现在午后、最小值出现 在日出前。
基于8个网页-相关网页
浅层土壤温度的变化可以指示活动层厚度变化。
Changes of shallow layer ground temperature can indicate the changes in active layer thickness.
土壤呼吸速率有明显的季节变化，其变化趋势基本与大气温度和土壤温度的变化趋势相同。
The soil respiration rates showed a seasonal variation for upland measured in Zigui, Three Gorges region. The soil respiration rates fluctuated with the soil and the atmospheric temperature.
根据蔬菜田土壤温度以及附近气象站气温观测资料，对广州地区蔬菜田土壤温度的变化特征及其预报模型进行了研究。
According to the observing data of soil temperature in vegetable field and nearby air temperature, dynamic of soil temperature in vegetable field and its forecasting model were studied in Guangzhou.
应用推荐