云南干热河谷植被与环境研究进展

杨济达, 张志明, 沈泽昊, 欧晓昆, 耿宇鹏, 杨明玉

Review of research on the vegetation and environment of dry-hot valleys in Yunnan

Jida Yang,Zhiming Zhang,Zehao Shen,Xiaokun Ou,Yupeng Geng,Mingyu Yang

表2 元江坝、金沙江元谋龙江干热河谷气候条件对比

Table 2 Comparison of climate condition between dry-hot valleys in Yuanjiangba and Longjiang, Yuanmou

气候因子 Climatic factors 元江坝 Yuanjiangba 元谋龙江 Longjiang, Yuanmou 年均温 Annual mean temperature (℃) 23.7 21.5 最冷月均温 Average temperature of the coldest month (℃) 16.7 15.1 ≥10℃的年积温 ≥10℃ Annual accumulated temperature (℃) 8,708.9 7,996.1 年均霜日 Annual mean frosty day 0.7 2.0 年均降水量 Annual mean precipitation (mm) 805.1 634.0 年均蒸发量 Annual mean evaporation (mm) 2,750.9 3,847.8 年蒸发量/年降水量 Annual mean evaporation/annual mean precipitation 3.4 6.1 年均相对湿度 Annual mean humidity (%) 69 54 雨季/旱季降水量 Rainy season precipitation /dry season precipitation (%) 81/19 92/8