Predicting method for development trend of wildfire at the periphery of power transmission line corridor

Abstract

The invention discloses a predicting method for a development trend of wildfire at the periphery of a power transmission line corridor. The method comprises the following steps: firstly, laying and installing a small-sized radar and a micro meteorological sensor by combining with the conditions of the power transmission line corridor; secondly, querying geographic and geomorphic data of the power transmission line corridor at the periphery of wildfire from a GIS (Geographic Information System) information platform; thirdly, setting a time interval delta t, extracting meteorological data by taking the time interval as a unit in real time, transmitting back and then caching into a database; fourthly, analyzing small-sized radar scanning data, and monitoring fire behavior in real time by using the small-sized radar; fifthly, predicting the trend of the wildfire at the periphery of the corridor by combining with a wildfire development trend simulation algorithm; sixthly, performing aid decision making on the development trend of the wildfire at a next stage by using wide-area meteorological monitoring data of the small-sized radar. According to the predicting method disclosed by the invention, refined fire behavior information of the periphery of the line corridor and medium-long term weather conditions are provided by the small-sized radar; meanwhile, the predicting method has the advantages of wide monitoring range, high meteorological data accuracy and the like.

Description

technical field [0001] The invention relates to a development trend and prediction method of mountain fires, in particular to a method for predicting the development trend of mountain fires around transmission line corridors under the condition of a large area. Background technique [0002] Wildfire is a kind of fire that occurs in the forest, mainly burning weeds and crown forests, and is difficult to control. Under the influence of climate anomalies such as global warming, the frequency of high fire-risk weather with high temperature, low humidity, continuous drought and high wind speed has gradually increased, and the number of wildfire outbreaks worldwide has shown an upward trend every year. my country's power grid has the characteristics of wide-area distribution and large geometric size, and is very vulnerable to natural disasters such as wildfires. In recent years, with the development of power resources, more and more transmission lines have passed through high mou...

AI Technical Summary

Problems solved by technology

Its main disadvantage is that it only relies on laser radar for mountain fire early warning and trend prediction. The system has a high false alarm rate, narrow monitoring range, and due to the high laser power, it is difficult to apply in areas with insufficient power supply.

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