Effect of Broadleaved Evergreen Forest in Hangzhou on Temperature and Humidity in the Forest

Chen Guorui Li Tianyou; Yu Yiwu; Jian Qiuyi

Volume 11 Issue 2

May 2019

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Chen Guorui Li Tianyou, Yu Yiwu, Jian Qiuyi, . Effect of Broadleaved Evergreen Forest in Hangzhou on Temperature and Humidity in the Forest[J]. Journal of Zhejiang A&F University, 1994, 11(2): 151-158.

Citation:

Chen Guorui Li Tianyou, Yu Yiwu, Jian Qiuyi, . Effect of Broadleaved Evergreen Forest in Hangzhou on Temperature and Humidity in the Forest[J]. Journal of Zhejiang A&F University, 1994, 11(2): 151-158.

Effect of Broadleaved Evergreen Forest in Hangzhou on Temperature and Humidity in the Forest

1.
Zhejiang Forestry College, Lin'an 311300, PRC

Received Date: 1993-12-24
Publish Date: 1994-06-30

Abstract

During 1990~1991, temperature and humidity in the natural braodleaved avergreen forest were measured in the scenic spot of Hangzhou and were compared with the data in the same period from Hangzhou Meteorological Station. The results showed that this kind forest had the most remarkable effect on the ground surface temperature within the forest. The forest decreased the annual everage temperature, the annual average maximum temperature and the annual average extreme maximum temperature of the ground surface by 2.6~3.3℃, 12.1~13.2℃, and 25.3~29.4℃ respectively. Meanwhile, it inereased the annual average minimum temperature and the annual average extreme minimum temperature of the ground surface by1.2~1.4℃ and 7.9~8.0℃. The daily range of the surface temperature in the forest was lower than that in the urban district of Hangzhou. The forest had a noticeable effect on the soil temperature below the ground surface, and it could lower the annaul average temperature by 2.0~3.0℃. The most obvious decrease of the surface temperature and the soil temperature appeared at 14:00 in summer, and in winter, there was an increase of the temperature in the forest to a certain extent. Air temperature changes in the forest had the same tendency with those of the soil temperature, but fluctuated within a narrow range. Annual average absolute humidity and relative humidity of ground layer in the forest were higher than those in the urban district of Hangzhou by 0.5~0.6 hPa and 7%~8%, and the effect of increasing humidity occurred most obviously at14:00.
- broadleaved evergreen forest,
- temperature,
- humidity,
- Hangzhou

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Effect of Broadleaved Evergreen Forest in Hangzhou on Temperature and Humidity in the Forest

1. Zhejiang Forestry College, Lin'an 311300, PRC

Received Date: 1993-12-24

Publish Date: 1994-06-30

Key words:

Abstract: During 1990~1991, temperature and humidity in the natural braodleaved avergreen forest were measured in the scenic spot of Hangzhou and were compared with the data in the same period from Hangzhou Meteorological Station. The results showed that this kind forest had the most remarkable effect on the ground surface temperature within the forest. The forest decreased the annual everage temperature, the annual average maximum temperature and the annual average extreme maximum temperature of the ground surface by 2.6~3.3℃, 12.1~13.2℃, and 25.3~29.4℃ respectively. Meanwhile, it inereased the annual average minimum temperature and the annual average extreme minimum temperature of the ground surface by1.2~1.4℃ and 7.9~8.0℃. The daily range of the surface temperature in the forest was lower than that in the urban district of Hangzhou. The forest had a noticeable effect on the soil temperature below the ground surface, and it could lower the annaul average temperature by 2.0~3.0℃. The most obvious decrease of the surface temperature and the soil temperature appeared at 14:00 in summer, and in winter, there was an increase of the temperature in the forest to a certain extent. Air temperature changes in the forest had the same tendency with those of the soil temperature, but fluctuated within a narrow range. Annual average absolute humidity and relative humidity of ground layer in the forest were higher than those in the urban district of Hangzhou by 0.5~0.6 hPa and 7%~8%, and the effect of increasing humidity occurred most obviously at14:00.

Effect of Broadleaved Evergreen Forest in Hangzhou on Temperature and Humidity in the Forest

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

Related

Proportional views