2026-06-05 16:10:46 +08:00
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# 地震灾害链 DBN 图结构配置
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# 定义节点、各层节点列表、父子关系
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# 地震触发:滑坡、泥石流、崩塌
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# 推理配置
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inference_config:
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match_strategy: first # first=首条匹配(规则优先级从上到下),max=取最大概率
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default_strategy: use_default # 无规则匹配时使用 default_probability
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max_cpt_parents: 20 # CPT 最大父节点数
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layers:
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# 触发层(3个节点)
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trigger:
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- magnitude # 震级(Richter scale)
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- epicenter_distance # 震中距(km)
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- seismic_intensity # 地震烈度(中国烈度表 I-XII)
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# 环境层(14个节点)
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# 去掉暴雨模型中的 impervious(不透水面)和 pipe_density(管网密度)
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# 这两个因子主要影响城市内涝,与地震地质灾害关系不大
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environment:
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- elevation # 高程
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- slope # 坡度
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- aspect # 坡向
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- soil_type # 土壤分类
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- lithology # 岩性
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- landuse # 土地利用类型
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- terrain # 地形分类
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- ndvi # 植被指数
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- sand_content # 土壤含沙量
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- ph # 土壤PH值
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- soil_moisture # 土壤湿度
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- organic_carbon # 有机碳
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- dist_to_river # 距离河道距离
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- dist_to_fault # 距离断裂带距离
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# 灾害层(3个节点)
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# 地震触发的地质灾害:滑坡、泥石流、崩塌
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# 不含山洪(flash_flood)和内涝(waterlogging),这两个主要由暴雨触发
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hazard:
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- landslide # 滑坡
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- debris_flow # 泥石流
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- collapse # 崩塌
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edges:
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# ============================================
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# 触发层 → 灾害层
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# 地震参数直接影响所有地质灾害类型
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# ============================================
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# 震级 → 灾害
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- [magnitude, landslide]
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- [magnitude, debris_flow]
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- [magnitude, collapse]
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# 震中距 → 灾害
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- [epicenter_distance, landslide]
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- [epicenter_distance, debris_flow]
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- [epicenter_distance, collapse]
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# 地震烈度 → 灾害
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- [seismic_intensity, landslide]
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- [seismic_intensity, debris_flow]
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- [seismic_intensity, collapse]
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# ============================================
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# 环境层 → 灾害层
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# 场地条件影响地震波放大效应和地质灾害易发性
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# ============================================
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# 高程影响泥石流
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# - 泥石流:高程反映沟道纵坡和物源区高差(秦岭北麓800-1500m高发)
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- [elevation, debris_flow]
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# 坡度影响滑坡、泥石流、崩塌(最核心的场地因子)
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# - 滑坡:Newmark位移与坡度直接相关
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# - 泥石流:沟道纵坡决定物源运移能力
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# - 崩塌:陡坡+地震是崩塌的典型触发条件
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- [slope, landslide]
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- [slope, debris_flow]
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- [slope, collapse]
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# 坡向影响滑坡
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# - 阳坡冻融风化强烈,岩体更破碎,地震时更易失稳
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- [aspect, landslide]
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# 土壤类型影响滑坡、泥石流
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# - 初育土(黄土)地震液化和震陷风险高
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- [soil_type, landslide]
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- [soil_type, debris_flow]
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# 岩性影响滑坡、泥石流、崩塌(关键地质因子)
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# - 松散堆积物(黄土):地震时易发生震陷和液化
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# - 变质岩/花岗岩:节理发育时崩塌风险高
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# - 碎屑岩:软硬互层界面是滑动面
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- [lithology, landslide]
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- [lithology, debris_flow]
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- [lithology, collapse]
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# 土地利用类型影响滑坡
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# - 城市:工程开挖坡脚/弃土加载降低边坡稳定性
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# - 农田:梯田改造改变坡体应力状态
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- [landuse, landslide]
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# 地形分类影响滑坡、泥石流
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# - 山地/深谷:地震波放大效应显著
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# - 丘陵:黄土塬边地震滑坡
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- [terrain, landslide]
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- [terrain, debris_flow]
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# 植被指数影响滑坡、泥石流
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# - 根系加固作用:植被好→滑坡风险降低
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# - 但地震烈度高时植被保护作用有限
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- [ndvi, landslide]
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- [ndvi, debris_flow]
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# 土壤含沙量影响泥石流
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# - 高含沙量→松散物源丰富→地震触发泥石流
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- [sand_content, debris_flow]
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# 土壤湿度影响滑坡、泥石流
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# - 饱和土体在地震荷载下更易发生液化和失稳
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# - 孔隙水压力升高降低有效应力
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- [soil_moisture, landslide]
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- [soil_moisture, debris_flow]
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# 距离河道距离影响泥石流、崩塌
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# - 泥石流:沟道物源供给
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# - 崩塌:河流侧蚀黄土塬边 + 地震触发
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- [dist_to_river, debris_flow]
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- [dist_to_river, collapse]
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# 距离断裂带距离影响滑坡、崩塌、泥石流
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# - 发震断裂附近地震动强度大(近场效应)
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# - 断裂带岩体破碎,地震时更易失稳
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# - 西安:秦岭北缘断裂、渭河断裂为主要发震构造
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- [dist_to_fault, landslide]
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- [dist_to_fault, collapse]
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- [dist_to_fault, debris_flow]
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# 节点状态定义
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# 与 discretization.yaml 保持一致
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node_states:
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# 触发层(地震参数)
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magnitude: [minor, light, moderate, strong, major, great]
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epicenter_distance: [very_near, near, moderate, far]
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seismic_intensity: [minor, light, moderate, severe, extreme]
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2026-06-06 11:10:22 +08:00
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# 环境层(与暴雨模型共享,状态名与 discretization.yaml 一致)
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# 基于1201个样本的实际数据分布,2026-06-06更新
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elevation: [very_low, low, medium, high, very_high]
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slope: [very_low, low, medium, high, very_high]
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aspect: [flat, north, east, south, west]
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2026-06-05 16:10:46 +08:00
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soil_type: [ultisol, entisol, fluvo_aquic, yellow_brown]
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lithology: [acid_rock, basic_rock, carbonate, metamorphic, mixed_clastic, terrigenous, unconsolidated]
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landuse: [forest, farmland, urban, water, barren]
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terrain: [mountain, plain, deep_valley, hill, gentle_hill, low_mountain, flat_plain]
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2026-06-06 11:10:22 +08:00
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ndvi: [very_low, low, medium, high, very_high]
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sand_content: [very_low, low, medium, high, very_high]
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ph: [very_low, low, medium, high, very_high]
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soil_moisture: [very_low, low, medium, high]
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organic_carbon: [very_low, low, medium, high, very_high]
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dist_to_river: [very_close, close, moderate, far, very_far]
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dist_to_fault: [very_close, close, moderate, far, very_far]
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2026-06-05 16:10:46 +08:00
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# 灾害层
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landslide: [none, low, medium, high, very_high]
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debris_flow: [none, low, medium, high, very_high]
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collapse: [none, low, medium, high, very_high]
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