ỨNG DỤNG PHÂN TÍCH ĐA BIẾN TRONG XÁC ĐỊNH MÙA CHÁY RỪNG TẠI THÀNH PHỐ ĐỒNG HỚI, TỈNH QUẢNG BÌNH

Tóm tắt

Abstract: Temperature (T), precipitation (P), temperature amplitude (dT), humidity (H) and sunshine hours per day (S) are meteorological factors that affected indexes, forest fire danger index, and the increasing possibility of forest fires over time. Multivariate statistical analysis tool of SPSS was applied to determine the time, impacting degree of drought in the year, and relationship with the risk of forest fire. The results are as follows: the dry season lasting from April to August, of which March and April are the transitional ones from rainy season to dry one. April is the hinge month; August and September is the ones changing from dry season to rainy one, in with August is the hinge month. The number of forest fires mainly concentrated in the period from May to August, the highest falled in June and July with 36 cases (accounting for 63.3%) of fires in the period of 2004-2019.