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Scientia Silvae Sinicae ›› 2006, Vol. 42 ›› Issue (11): 76-80.doi: 10.11707/j.1001-7488.20061114

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Study on the Fuel Types Classification of Forests in Beijing

Tian Xiaorui1,Dai Xing'an2,Wang Mingyu1,Shu Lifu1,Gao Chengde3   

  1. 1.Research Institute of Forest Ecology,Environment and Protection,CAF Key Open Laboratory of Forest Protection of State Forestry Administration Beijing 100091;2.Central South University of Forestry and Technology Changsha 410004;3.Beijing Forestry Bureau Beijing 100029
  • Received:2005-03-14 Revised:1900-01-01 Online:2006-11-25 Published:2006-11-25

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Abstract:

Fuel type is a basic concept to describe the state of fuel,and it is usually used as a basic input for the fire behavior model of the forest fire danger rating system.The paper uses the land cover map and Landsat TM imagery of Beijing to make the fuel map by using supervised classification.Fuel type maps account for structural characteristics of vegetation related to fire behaviour and fire propagation.The results classify the vegetation into six fuel types:O_1 grass,O_2 grass(high coverage),S_1 shrub,S_2 young plantation,C_1 conifer forest,M_1 mixed wood and B_1 broad_leaf forest.Due to the resolution limit of TM imagery,it is difficult to distinguish the forest variety in vertical structure.The results can be used in the forest fire danger rating system,but there is a need for further classification for the fuel with the flammability,vertical structure and distribution in order to make the fire behavior prediction.The paper also discusses the current methods and development of fuel classification and mapping.

Key words: fuel types classification, fuel mapping, forest fire management