Essays about: "fire reconstruction"
Showing result 1 - 5 of 7 essays containing the words fire reconstruction.
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1. Reconstruction of Fire Spread with a Markov Random Field Mixture Model
University essay from Lunds universitet/Matematisk statistikAbstract : This thesis revolves around reconstructing fire sizes for historical fires in Jämtgaveln, Sweden based on data of fire scars in trees. We propose a Hidden Markov Model (HMM), where the domain is divided into quadratic grid cells of 250 $\times$ 250 m and with these grid cells we associate a binary Markov random field taking values 0 or 1 corresponding to no fire and fire respectively. READ MORE
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2. Uncovering climate and human signals in near-millennium annual fire chronology for Norrbotten county, Northern Sweden
University essay from SLU/Southern Swedish Forest Research CentreAbstract : Forest fire is one of the major factors driving the dynamics of the boreal forest. Climate has the most significant contribution in shaping the fire occurrence, its spatial extent and severity. Anthropogenic activities have contributed to variation in fire activity, although the timing and the scale of the human impact are still heavily debated. READ MORE
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3. A weighty issue : estimation of fire size with geographically weighted logistic regression
University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskapAbstract : Size estimations of fires that occurred centuries ago have been the subject of study for many decades. More accurate spatial fire histories from tree rings were possible by either drawing the sample location on detailed topographic maps or using GPS receivers. READ MORE
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4. Planning and Design of Earthquake Disaster Relief Corridor in Stricken Cities —— Taking the design of the Yucheng District, Ya’an as application case
University essay from Blekinge Tekniska Högskola/Institutionen för fysisk planeringAbstract : City Safety is one of the most important issues facing humanity today. In the last century, given the frequency and intensity of earthquakes, globally as well as in China, more attention was paid to earthquake and disaster prevention approaches. READ MORE
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5. Skogseldens påverkan på epifytiska trädlavar på tall i relation till brandintensiteten
University essay from SLU/Dept. of Forest Ecology and ManagementAbstract : Not much is today known about how epiphytic lichens are effected by fire. A considerable part of the fires in Sweden today are prescribed fires for the purpose of environmental conservation. How these fires affect lichens is largely unknown. READ MORE
