V2EX radiative-forcing

Radiative Forcing

释义(Definition)

辐射强迫(radiative forcing):气候科学中的一个指标,指由于某种因素(如温室气体增加、气溶胶、太阳辐射变化或地表反照率变化)导致地球大气系统能量收支失衡的程度,通常以 W/m(瓦每平方米)表示。一般来说,正的辐射强迫倾向于使气候变暖,负的辐射强迫倾向于使气候变冷。(在不同文献中也可能区分“瞬时/有效辐射强迫”等更细分概念。)

发音(Pronunciation, IPA)

/reditv frs/

例句(Examples)

Radiative forcing from CO has increased since the industrial revolution.
自工业革命以来,二氧化碳造成的辐射强迫一直在增加。

Scientists compare radiative forcing from greenhouse gases and aerosols to estimate the net effect on global temperature.
科学家会比较温室气体与气溶胶带来的辐射强迫,以估算它们对全球气温的净影响。

词源(Etymology)

radiative 来自 radiation(辐射),与拉丁语 radius(光线、辐条)相关;forcing 在气候学里借用一般英语“施加外力/驱”的含义,表示对气候系统施加的外部“驱动项”。合起来,“radiative forcing”字面意思就是“由辐射过程引起的(气候)驱动”。

相关词(Related Words)

文献与著作中的用例(Notable Works)

  • IPCC Sixth Assessment Report (AR6), Working Group I: The Physical Science Basis(政府间气候变化专门委员会第六次评估报告:第一工作组《自然科学基础》)
  • IPCC Fifth Assessment Report (AR5), Working Group I(第五次评估报告:第一工作组)
  • James Hansen et al., “Climate Forcings in the Industrial Era” 等相关论文(学术文献中常以该术语量化不同气候驱动因素的影响)
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