The Forecast And Environment Of Lightning Fire In Daxingan Mountain In Heilongjiang Province

Lightning fire in Daxing'anling region where lightning fires accounts for 38% of the total fires. As one type of natural fires, lightning fire is very complex and difficult to control. Lightning fires occur frequently when lightning storms, especially dry lightning storms happen in frequently. Lightning fire connects with lights very closely. Lightning fire has its own geographical, temporal and spatial characteristics. When lightning happened, especially dry-lightning, which brought little precipitation, surface temperature growing and fuel drying, these led to fires easily. The more forest fires occurred, the more lightning fires did. Lightning fires has Characters of geography, time and topography. Since lightning is random, it was very difficult to prevent and put out forest fire. With the global climate changes, more lightning fires happen. The large forest fire caused by lightning happened in the summer of 2002, warn us again that further studies on the mechanism of lightning fire is still needed. It is necessary to improve methods of lightning fires forecasting, monitoring and extinguishing.