相关实验视频
Updated: Jan 26, 2026

06:10
Using Generative Art to Convey Past and Future Climate Transitions
Published on: March 31, 2023
1.4K
对气候变化缓解的概率性成本估计
Joeri Rogelj1, David L McCollum, Andy Reisinger
1Institute for Atmospheric and Climate Science, ETH Zurich, Universitätstrasse 16, CH-8092 Zürich, Switzerland. joeri.rogelj@env.ethz.ch
Nature
|January 4, 2013
概括
推迟气候行动会显著增加减缓成本. 政治决策,地质物理因素,能源需求和技术都会影响将全球变暖限制在2°C的成本.
科学领域:
- 气候科学 气候科学
- 综合评估建模 综合评估建模
- 环境经济学环境经济学
背景情况:
- 将全球变暖限制在2°C的国际目标面临挑战,原因是不够量化的不确定性和有限的跨学科知识整合.
- 现有研究通常将技术和社会经济不确定性与对温室气体排放的地球物理反应分开评估.
研究的目的:
- 弥合综合评估和气候建模社区之间的差距.
- 通过整合地质物理,技术,社会和政治不确定性来产生限制暂时全球温度上升的成本分配.
主要方法:
- 开发了一个模型,将四个关键因素的不确定性纳入其中:地质物理,技术,社会和政治.
- 为限制全球气温上升而产生的成本分布达到特定的值 (例如1.5°C,2°C,3°C).
主要成果:
- 推迟缓解努力的政治选择对成本风险分配产生了最重大的影响.
- 地质不确定性,影响能源需求的社会因素和技术不确定性对缓解成本的影响紧随其后.
结论:
- 政策制定需要了解缓解成本,能源需求和全球行动时间的相对重要性.
- 综合各种不确定性对于准确评估与气候变化减缓目标相关的成本和风险至关重要.
相关概念视频
Net Change Theorem
69
The Net Change Theorem is a fundamental principle in calculus that establishes a direct relationship between a function’s rate of change and its accumulated change over an interval. Mathematically, it states that the definite integral of a function's derivative over a given interval [a,b] yields the net change in the original function:This theorem has significant applications in various real-world scenarios, including physics, economics, and engineering. A particularly useful application...
69
What is Climate?
20.6K
Climate refers to the prevailing weather conditions in a specific area over an extended period. As the saying goes, “Climate is what you expect. Weather is what you get.” Climate is influenced by geographic factors, such as latitude, terrain, and proximity to bodies of water.
20.6K
Global Climate Change
28.8K
Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
28.8K
What are Estimates?
8.2K
It isn't easy to measure a parameter such as the mean height or the mean weight of a population. So, we draw samples from the population and calculate the mean height or mean weight of the individuals in the sample. This sample data acts as a representative measure of the population parameter. These sample statistics are known as estimates.
The estimate for the mean of a sample is denoted by ͞x, whereas the mean of the population is designated as μ. Further, parameters such...
The estimate for the mean of a sample is denoted by ͞x, whereas the mean of the population is designated as μ. Further, parameters such...
8.2K
Work Done During Volume Change
5.1K
In mechanics, work is done on an object when the force acting on it displaces the object. In thermodynamics, work done on a system can be estimated when the system's volume changes during any thermodynamic process.
Consider a gas confined to a cylinder fitted with a movable piston at one end. If the gas expands from volume V1 to volume V2, it exerts a force on the piston, such that the piston moves by a distance dr.
The work done by the gas on the piston can be expressed as
Consider a gas confined to a cylinder fitted with a movable piston at one end. If the gas expands from volume V1 to volume V2, it exerts a force on the piston, such that the piston moves by a distance dr.
The work done by the gas on the piston can be expressed as
5.1K
Standard Entropy Change for a Reaction
24.1K
Entropy is a state function, so the standard entropy change for a chemical reaction (ΔS°rxn) can be calculated from the difference in standard entropy between the products and the reactants.
24.1K

