Fire environment of spot fires in a<em> Pinus yunnanensis</em> forest

WANG Qiuhua; XU Shengji; LI Shiyou; QU Haibin; WAN Chun; WEN Canming; ZHANG Xiaoming

doi:10.11833/j.issn.2095-0756.2013.02.017

Volume 30 Issue 2

Mar. 2013

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WANG Qiuhua, XU Shengji, LI Shiyou, et al. Fire environment of spot fires in a Pinus yunnanensis forest[J]. Journal of Zhejiang A&F University, 2013, 30(2): 263-268. DOI: 10.11833/j.issn.2095-0756.2013.02.017

Citation:

WANG Qiuhua, XU Shengji, LI Shiyou, et al. Fire environment of spot fires in a Pinus yunnanensis forest[J]. Journal of Zhejiang A&F University, 2013, 30(2): 263-268. DOI: 10.11833/j.issn.2095-0756.2013.02.017

Fire environment of spot fires in a Pinus yunnanensis forest

DOI: 10.11833/j.issn.2095-0756.2013.02.017

1.
Yunnan Key Laboratory of Forest Disaster Warning and Control，Faculty of Civil Engineering，Southwest Forestry University，Kunming 650224，Yunnan，China;
2.
State Key Laboratory of Fire Science，University of Science and Technology of China，Hefei 230026，Anhui，China;
3.
Southwest Arial Forest Protection Station，State Forestry Administration of China，Kunming 650021，Yunnan，China

More Information

Corresponding author: WANG Qiuhua
Received Date: 2012-05-31
Rev Recd Date: 2012-10-09
Publish Date: 2013-04-20

Abstract

By collecting 30 years of meteorological information from 1971 to 2000，by surveying fire sites of spot fires，and by gathering local topographic data，environmental characteristics of spot fires for a Pinus yunnanensis forest were gained. Results showed that meteorological factors during the dry season，especially in March，were favorable for spot fires. During March，air temperature increased with relative humidity （53%） and the minimal relative humidity （3%） being lowest for the year; however，average wind speed （29 mmin－1），maximal average wind speed （16.3 mmin－1），and gale days （16.3 d） reached the annual maximum. In addition，average precipitation in March was less than 20 mm；whereas，evaporation was 263 mm for the second highest monthly rate of the year. Topography and terrain were also beneficial to forming spot fires with the relative elevation between 200 to 1 000 m in the Anning City area being very steep （60.7%）. Also，climate increased chances of spot fires. The distribution of Pinus yunnanensis was confined to southern branch of western circumfluence during spring and winter，which was the dormant period for Pinus yunnanensis trees，shrubs，and herbs. Thus，combustibility was too weak to easily ignite，spread，and form spot fires.［Ch，5 fig. 2 tab. 26 ref.］
- forest protection,
- meteorological factor,
- topography,
- fire environment,
- spot fire,
- Pinus yunnanensis,
- Anning City

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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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Fire environment of spot fires in a Pinus yunnanensis forest

1. Yunnan Key Laboratory of Forest Disaster Warning and Control，Faculty of Civil Engineering，Southwest Forestry University，Kunming 650224，Yunnan，China;

2. State Key Laboratory of Fire Science，University of Science and Technology of China，Hefei 230026，Anhui，China;

3. Southwest Arial Forest Protection Station，State Forestry Administration of China，Kunming 650021，Yunnan，China

Corresponding author: WANG Qiuhua

Received Date: 2012-05-31

Rev Recd Date: 2012-10-09

Publish Date: 2013-04-20

Key words:

Abstract: By collecting 30 years of meteorological information from 1971 to 2000，by surveying fire sites of spot fires，and by gathering local topographic data，environmental characteristics of spot fires for a Pinus yunnanensis forest were gained. Results showed that meteorological factors during the dry season，especially in March，were favorable for spot fires. During March，air temperature increased with relative humidity （53%） and the minimal relative humidity （3%） being lowest for the year; however，average wind speed （29 mmin－1），maximal average wind speed （16.3 mmin－1），and gale days （16.3 d） reached the annual maximum. In addition，average precipitation in March was less than 20 mm；whereas，evaporation was 263 mm for the second highest monthly rate of the year. Topography and terrain were also beneficial to forming spot fires with the relative elevation between 200 to 1 000 m in the Anning City area being very steep （60.7%）. Also，climate increased chances of spot fires. The distribution of Pinus yunnanensis was confined to southern branch of western circumfluence during spring and winter，which was the dormant period for Pinus yunnanensis trees，shrubs，and herbs. Thus，combustibility was too weak to easily ignite，spread，and form spot fires.［Ch，5 fig. 2 tab. 26 ref.］

Fire environment of spot fires in a Pinus yunnanensis forest

DOI: 10.11833/j.issn.2095-0756.2013.02.017

Abstract

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通讯作者: 陈斌, bchen63@163.com

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Fire environment of spot fires in a Pinus yunnanensis forest

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Corresponding author: WANG Qiuhua

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Fire environment of spot fires in a Pinus yunnanensis forest

DOI: 10.11833/j.issn.2095-0756.2013.02.017

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Fire environment of spot fires in a Pinus yunnanensis forest

doi: 10.11833/j.issn.2095-0756.2013.02.017

Corresponding author: WANG Qiuhua

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