2026-06-29 11:37:04 +08:00
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# 灾害影响范围计算参数配置
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# ============================================
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# 滑坡 — 经验到达角法 + 地形修正
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# ============================================
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landslide:
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height_drop_m: 50 # 假设崩滑高差(m)
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2026-06-29 11:38:48 +08:00
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reach_angle: # 到达角经验值(度)
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2026-06-29 11:37:04 +08:00
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小型: 31
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中型: 28
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大型: 25
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特大型: 23
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fan_angle: 45 # 侧向扇形展开角(度)
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river_erosion_enhance: 1.3 # 河流距离<200m时的增强系数
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river_distance_threshold: 200 # 河流侵蚀增强触发距离(m)
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fault_enhance: 1.2 # 断裂带距离<500m时的增强系数
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fault_distance_threshold: 500 # 断裂带增强触发距离(m)
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min_radius_m: 100 # 最小影响半径
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max_radius_m: 2000 # 最大影响半径
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# ============================================
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# 泥石流 — 河流关联缓冲区
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# ============================================
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debris_flow:
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base_radius_m: 200 # 基础影响半径
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slope_factor: 10 # 坡度影响系数 (半径 = base + slope * factor)
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river_buffer_m: 80 # 河道缓冲区宽度
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max_river_search_m: 2000 # 最近河流搜索范围
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min_radius_m: 100
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max_radius_m: 2000
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# ============================================
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# 山洪 — 多级河流缓冲区
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# ============================================
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flash_flood:
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river_dist_thresholds: [100, 300, 500] # 距河流距离阈值(m)
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buffer_by_level: # 对应各级缓冲区(m)
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1: 500 # 干流
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2: 300 # 一级支流
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3: 150 # 二级支流
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4: 80 # 三级以下
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5: 80
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max_river_search_m: 3000 # 最近河流搜索范围
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# ============================================
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# 内涝 — TWI简化 + 不透水率 + 管网修正
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# ============================================
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waterlogging:
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base_radius_m: 100 # 基础积水半径
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impervious_factor: 3 # 不透水率修正系数
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pipe_density_factor: 400 # 管网密度修正系数
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pipe_lower_bound: 0.3 # 管网修正下限
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min_radius_m: 50
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max_radius_m: 800
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# ============================================
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# 崩塌 — 锥体传播模型 (CONEFALL简化)
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# ============================================
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rockfall:
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height_drop_m: 50 # 假设崩落高差(m)
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2026-06-29 11:38:48 +08:00
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reach_angle: # 到达角经验值(度)
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2026-06-29 11:37:04 +08:00
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小型: 33
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中型: 30
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大型: 27
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特大型: 25
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fault_angle_penalty: 5 # 断裂带<300m时到达角减少量(度)
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fault_penalty_threshold: 300 # 断裂带惩罚触发距离(m)
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fault_radius_enhance: 1.5 # 断裂带<200m时半径增强系数
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fault_enhance_threshold: 200 # 半径增强触发距离(m)
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min_radius_m: 50
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max_radius_m: 1000
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# ============================================
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# 默认参数 — 未匹配灾害类型时的兜底
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# ============================================
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default:
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radius_m: 200
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