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Related Concept Videos

Global Climate Change01:50

Global Climate Change

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.
What is Climate?01:16

What is Climate?

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.
Effect of Temperature Change on Reaction Rate02:28

Effect of Temperature Change on Reaction Rate

The Arrhenius equation,
Effects of Temperature on Free Energy02:11

Effects of Temperature on Free Energy

The spontaneity of a process depends upon the temperature of the system. Phase transitions, for example, will proceed spontaneously in one direction or the other depending upon the temperature of the substance in question. Likewise, some chemical reactions can also exhibit temperature-dependent spontaneities. To illustrate this concept, the equation relating free energy change to the enthalpy and entropy changes for the process is considered:
Temperature Dependence on Reaction Rate02:55

Temperature Dependence on Reaction Rate

The Collision Theory
Atoms, molecules, or ions must collide before they can react with each other. Atoms must be close together to form chemical bonds. This premise is the basis for a theory that explains many observations regarding chemical kinetics, including factors affecting reaction rates.
The collision theory is based on the postulates that (i) the reaction rate is proportional to the rate of reactant collisions, (ii) the reacting species collide in an orientation allowing contact between...
Factors Affecting Body Temperature01:28

Factors Affecting Body Temperature

As a nurse, it is vital to understand the factors affecting body temperature to monitor variations and effectively evaluate deviations from regular.
Factors may  include:

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Related Experiment Video

Updated: May 9, 2026

Simulating Temperature in a Soil Incubation Experiment
08:39

Simulating Temperature in a Soil Incubation Experiment

Published on: October 28, 2022

No increase in global temperature variability despite changing regional patterns.

Chris Huntingford1, Philip D Jones, Valerie N Livina

  • 1Centre for Ecology and Hydrology, Wallingford OX10 8BB, UK. chg@ceh.ac.uk

Nature
|July 26, 2013
PubMed
Summary
This summary is machine-generated.

Global warming may not be increasing overall climate variability. While some regions show more temperature fluctuations, the globally averaged temperature anomaly standard deviation has remained stable, contradicting common assumptions.

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Temperature Response of Soil Organic Matter Decomposition Rates: Construction and Applications of a Temperature Gradient Block
07:46

Temperature Response of Soil Organic Matter Decomposition Rates: Construction and Applications of a Temperature Gradient Block

Published on: January 30, 2026

Related Experiment Videos

Last Updated: May 9, 2026

Simulating Temperature in a Soil Incubation Experiment
08:39

Simulating Temperature in a Soil Incubation Experiment

Published on: October 28, 2022

Temperature Response of Soil Organic Matter Decomposition Rates: Construction and Applications of a Temperature Gradient Block
07:46

Temperature Response of Soil Organic Matter Decomposition Rates: Construction and Applications of a Temperature Gradient Block

Published on: January 30, 2026

Area of Science:

  • Climate Science
  • Environmental Science

Background:

  • Societal adaptation to climate change is challenged by increased variability and extreme weather.
  • Past cold periods exhibited higher temperature variability than some current periods.
  • There is ongoing debate regarding whether current global warming is increasing climate variability.

Purpose of the Study:

  • To investigate if global warming is currently increasing global climate variability.
  • To analyze geographical and temporal trends in temperature fluctuations.
  • To assess the validity of the perception of increased climate volatility.

Main Methods:

  • Analysis of time-evolving standard deviation of globally averaged temperature anomalies.
  • Examination of geographical variations in annual temperature fluctuations over recent decades.
  • Comparison of normalized versus absolute temperature anomaly values.

Main Results:

  • Globally averaged temperature anomaly standard deviation has been stable.
  • Significant geographical variations in temperature fluctuations were observed.
  • Regions with previously low variability have shown increases, contributing to perceptions of volatility.
  • Analysis using absolute temperature values revealed minimal change, unlike normalized anomalies.

Conclusions:

  • The perception of increased climate volatility may stem from regional changes, not a global increase.
  • A warming world does not automatically equate to greater overall climatic variation.
  • Findings challenge the assumption that rising global temperatures will lead to universally higher climate variability.