气候物理与大气科学 (Climate Physics & Atmospheric Science)

熟练度

精通（学术研究级别）

描述

• 对流动力学：烟羽模型（MTT）、LES、对流层顶约束
• 大气辐射：辐射加热率、辐射平衡分析
• 大尺度环流：Walker 环流、Hadley 环流及其对全球变暖的响应
• 核冬天假说：平流层烟尘注入机制、烟尘寿命与辐射效应
• 气溶胶物理：消光系数、AOD、反演算法
• 甲烷遥感：TROPOMI 数据处理、排放源归因

🌟 研究级 signature capabilities

• Linear Superposition framework (Zhenyu 原创, 2021) — Walker Circulation 对 oceanic forcing 宽度响应的 2nd-order Taylor expansion framework, 4-field validation SST / Precip / ω / SW correlation 0.83-0.93 (见 Linear-Superposition-Framework)
• Nuclear Winter 5-phase physical understanding — 1-D thermo (T,q vs h,q 3.58e-5 J/kg validation) → MTT momentum (Hiroshima L_w≈9.5km LNB≈6.6km vs 15.7km photo) → DAM 3-D LES entrainment (DNS 3-30% match) → 46k core-hours production (CERA20C 534 ton soot) → DSE+SWTG methodology workshop ()
• Methane 3-scale analysis — TROPOMI aggregated precision 9.76e-5° ≈ 10.87m + density+quantile regression reformulation + negative-slope→positive-slope diagnosis (Nebraska R²=0.633)
• MODIS+CALIPSO joint retrieval algorithm — First iteratively-coupled (本科毕业论文, 4 Beijing case study abs AOD↓ 0.011-0.032)

Domain breadth

• 大尺度环流动力学: Walker / Hadley / Linear Superposition / QLBS 跨学科迁移
• 核冬天物理: soot 注入机制 + lifetime + 辐射效应 + 多方法验证
• 气溶胶反演: MODIS / CALIPSO / AOD / 消光系数
• 甲烷遥感: TROPOMI / EPA benchmark / regression diagnosis
• 核安全: Princeton SGS invited talk (2024)

方法论 concept 页

• Linear-Superposition-Framework
• Multi-Method-Comparison-Spine
• Inconvenient Evidence Retention Discipline (private)
• Hardened-Balancing-Principle
• L-Curve-Axis-Scale-Ambiguity

在哪些经历中用到

• — 核冬天、广岛烟羽、对流动力学
• — 甲烷异常制图
• PKU-Undergraduate-Research — Walker/Hadley 环流、气溶胶反演
• Princeton-Invited-Talk-2024 — 核安全演讲
• PKU-Walker-Circulation-Research — Linear Superposition + Walker/width
• PKU-Walker-Hadley-Response-Research — earliest multi-method comparison spine
• PKU-Aerosol-Senior-Thesis — MODIS+CALIPSO joint retrieval
• Caltech-DSCOVR-Research — atmospheric inverse problem (DSCOVR Earth retrieval)
• — DSE+SWTG methodology workshop

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