[1]胡海清,梁宇,孙龙,等.室内模拟坡向和坡度对可燃物含水率的影响[J].森林与环境学报,2016,36(01):80-85.[doi:10.13324/j.cnki.jfcf.2016.01.013]
 HU Haiqing,LIANG Yu,SUN Long,et al.Effects of simulated aspect and gradient of slope on moisture of combustible material in laboratory[J].,2016,36(01):80-85.[doi:10.13324/j.cnki.jfcf.2016.01.013]
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室内模拟坡向和坡度对可燃物含水率的影响()
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《森林与环境学报》[ISSN:2096-0018/CN:35-1327/S]

卷:
36
期数:
2016年01期
页码:
80-85
栏目:
出版日期:
2016-01-15

文章信息/Info

Title:
Effects of simulated aspect and gradient of slope on moisture of combustible material in laboratory
作者:
胡海清 梁宇 孙龙 宋雨
东北林业大学林学院, 黑龙江 哈尔滨 150040
Author(s):
HU Haiqing LIANG Yu SUN Long SONG Yu
College of Forestry, Northeast Forestry University, Harbin, Heilongjiang 150040, China
关键词:
坡向坡度环境因子可燃物含水率室内模拟
Keywords:
slope aspectslope gradientenvironment factorcombustible materials moisturesimulation in laboratory
分类号:
S762
DOI:
10.13324/j.cnki.jfcf.2016.01.013
摘要:
森林地被可燃物含水率的动态变化是影响森林火险等级高低的因素之一,为研究不同地形条件对1 h时滞可燃物含水率的影响,采集哈尔滨城市林业示范基地的白桦林和兴安落叶松—白桦混交林地被物以及林地内的土壤,借助变坡土槽在实验室模拟6种不同坡向坡度的森林地被可燃物床层结构,连续监测可燃物含水率和气象参数的动态变化,绘制可燃物含水率动态变化曲线,计算不同地形条件下可燃物含水率的统计学特征。结果表明,平地可燃物含水率>缓坡可燃物含水率>陡坡可燃物含水率,阴坡可燃物含水率>阳坡可燃物含水率;构建了不同地形条件下地被可燃物含水率气象要素回归模型。
Abstract:
Dynamics of moisture of combustible materials on forest land is one of the most important factors which influences forest fire danger forecasting. In order to investigate the relation between topography and one-hour moisture of combustible materials, the ground cover and soil of Betula platyphylla and Larix gmelinli were collected as samples from Harbin city forestry demonstration base. After building six kinds of forest combustible floor and continuous monitor of the dynamics of the moisture and meteorological factors in the laboratory, the dynamic curve was drawn and the statistical characteristics of combustible materials moisture in different topography was calculated. The experiment demonstrated that flat ground combustible moisture > gentle slope combustible moisture > steep slope combustible moisture; shady slope combustible moisture>sunny slope combustible moisture. Accordingly the meteorological elements regression model of combustible materials moisture under forest in different topography has been built.

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备注/Memo

备注/Memo:
收稿日期:2015-5-8;改回日期:2015-6-4。
基金项目:林业公益性行业科研专项"基于地面与遥感观测的森林火险预报新技术"(4131440201)。
作者简介:胡海清(1961-),男,教授,从事森林防火研究。
通讯作者:梁宇(1991-),男,硕士研究生,从事森林防火研究。
更新日期/Last Update: 1900-01-01