V2EX equilibrium climate sensitivity

Equilibrium Climate Sensitivity

定义 Definition

“平衡气候敏感度”(常缩写为 ECS):指当大气中二氧化碳浓度相对于工业化前水平翻倍时,在气候系统达到新的能量收支平衡后,全球平均地表温度最终上升的幅度(通常以 ℃ 表示)。该术语用于衡量气候对温室气体增多的长期响应。(在一些语境中还会讨论其他敏感度指标,如瞬态气候响应 TCR。)

发音 Pronunciation (IPA)

/ikwlbrim klamt snstvti/

例句 Examples

Equilibrium climate sensitivity is often estimated using climate models and historical data.
平衡气候敏感度常通过气候模型与历史观测数据来估算。

If equilibrium climate sensitivity is high, the long-term warming from doubling CO would be much greater, affecting sea-level rise and extreme weather risks.
如果平衡气候敏感度较高,二氧化碳浓度翻倍带来的长期增温会更显著,从而影响海平面上升与极端天气风险评估。

词源与背景 Etymology & Background

该短语由三部分构成:equilibrim(平衡) + climate(气候) + sensitivity(敏感度)。它属于现代气候科学的专业术语,“equilibrium”强调要等气候系统(尤其是海洋)吸收并重新分配热量后达到新的稳定状态,因此关注的是长期而非短期的升温幅度。

相关词 Related Words

文献与著作中的用例 Notable Works

  • IPCC Fifth Assessment Report (AR5), Working Group I(《政府间气候变化专门委员会第五次评估报告第一工作组》)
  • IPCC Sixth Assessment Report (AR6), Working Group I(《第六次评估报告第一工作组》)
  • Climate Change 2001: The Scientific Basis(IPCC TAR 第一工作组报告)
  • Global Warming: Understanding the Forecast(David Archer 著,讨论敏感度与反馈的科普/教材类著作)
  • An Introduction to Three-Dimensional Climate Modeling(W. L. Gates 等,气候建模教材中常涉及敏感度概念)
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