陕西省森林火灾发生规律及原因初探 |
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引用本文: | 韩恩贤,周新华.陕西省森林火灾发生规律及原因初探[J].西北林学院学报,1997,12(4):31-35. |
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作者姓名: | 韩恩贤 周新华 |
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作者单位: | 陕西省林业科学研究所,陕西省林业厅 |
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基金项目: | 陕西省林业厅“中幼针叶纯林防火措施研究”课题 |
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摘 要: | 陕西森林火灾表现出明显的地域分布、年际分布和年内月分布规律,依据各月火灾频数值划分了火险期,“0”为安全期、≤15%为一般火险期,>15%为高火险期。火灾发生的原因以人为因素为主,占火灾总数的99.7%。
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关 键 词: | 森林火灾 分布规律 火灾频数 火源管理 |
On Occurrence and Causes of Shaanxi Forest Fire |
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Abstract: | Analysis on collected data shows that occurrence of Shaanxi forest fire is closely related to regions, years and months. Based on the forest fire frequence of each month,the period of fire danger was divided into the period of security (the forest fire frequence is 0),the period of general fire danger(the forest fire frequence is less than or equal to 15%). The main cause of forest fire is human activities ,and the number of forest fire caused by person made up 99.7% in the total number of forest fire. |
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Keywords: | forest fire rule of distribution fire frequence management of fire brand |
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