Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Definition and Measurement of Pressure: Atmospheric Pressure, Barometer, and Manometer02:57

Definition and Measurement of Pressure: Atmospheric Pressure, Barometer, and Manometer

43.5K
Gas pressure is caused by force exerted by gas molecules colliding with the surfaces of objects. Although the force of each collision is very small, any surface of an appreciable area experiences a large number of collisions in a short time, which can result in high pressure.
43.5K
Variability: Analysis01:11

Variability: Analysis

520
Measures of variability are statistical metrics that reveal the dispersion pattern within a dataset. They are pivotal in biostatistics, providing insights into the heterogeneity within health and biological data. Variability signifies the degree to which data points diverge from one another, helping researchers understand the potential range of values and associated uncertainty within the data.
The range is a simple measure of variability, indicating the difference between the highest and...
520
Random Variables01:09

Random Variables

17.9K
A random variable is a single numerical value that indicates the outcome of a procedure. The concept of random variables is fundamental to the probability theory and was introduced by a Russian mathematician, Pafnuty Chebyshev, in the mid-nineteenth century.
Uppercase letters such as X or Y denote a random variable. Lowercase letters like x or y denote the value of a random variable. If X is a random variable, then X is written in words, and x is given as a number.
For example, let X = the...
17.9K
Variation of Atmospheric Pressure01:18

Variation of Atmospheric Pressure

4.2K
Change in atmospheric pressure with height is particularly interesting. The decrease in atmospheric pressure with increasing altitude is due to the decreasing gravitational force per unit area as we move away from the surface of the earth.
Assuming the air temperature is constant at a given altitude and that the ideal gas law of thermodynamics describes the atmosphere to a good approximation, one can find the variation of atmospheric pressure with height.
Let p(y) be the atmospheric pressure at...
4.2K
Graphs of Equations in Two Variables01:30

Graphs of Equations in Two Variables

253
An equation with two variables, typically written in the form y = f(x) or Ax + By = C, describes a relationship between quantities represented by x and y. Each solution to such an equation is an ordered pair (x, y) that satisfies the equation when substituted. These pairs can be represented graphically to understand the variables' relationship visually.A common technique for constructing the graph of a two-variable equation is to create a value table. Begin by choosing several values for the...
253
Variables Affecting Phosphorescence and Fluorescence01:26

Variables Affecting Phosphorescence and Fluorescence

1.5K
Fluorescence and phosphorescence are essential phenomena in fields like analytical chemistry, biological imaging, and materials science, where they detect molecular properties and visualize cellular structures. Understanding the variables that influence these luminescent behaviors is crucial for maximizing accuracy and efficiency in their applications. These variables can broadly be grouped into chemical structure, solvent properties, and external conditions, each playing a distinct role in...
1.5K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

The influence of short-lived halogens on atmospheric chemistry and climate.

Nature·2025
Same author

Unrecognized volatile and semi-volatile organic compounds from brake wear.

Environmental science. Processes & impacts·2024
Same author

H<sub>2</sub> in Antarctic firn air: Atmospheric reconstructions and implications for anthropogenic emissions.

Proceedings of the National Academy of Sciences of the United States of America·2021
Same author

Large changes in biomass burning over the last millennium inferred from paleoatmospheric ethane in polar ice cores.

Proceedings of the National Academy of Sciences of the United States of America·2018
Same author

Prokaryotes in the WAIS Divide ice core reflect source and transport changes between Last Glacial Maximum and the early Holocene.

Global change biology·2018
Same journal

Inside the new political screening that's stalling NIH grants.

Nature·2026
Same journal

Europe's record heatwave: does the continent have a new climate?

Nature·2026
Same journal

Daily briefing: Humans and great apes giggle in the same rhythms.

Nature·2026
Same journal

The surprising career parallels between footballers and researchers.

Nature·2026
Same journal

I study World Cup penalty shoot-outs: they say a lot about the psychology of performance under pressure.

Nature·2026
Same journal

CRISPR's next act: the companies editing the epigenome to treat disease.

Nature·2026
See all related articles
  1. Home
  3. Atmospheric H2 Variability Over The Past 1,100 Years.
  1. Home
  3. Atmospheric H2 Variability Over The Past 1,100 Years.

Related Experiment Video

Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface
13:27

Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface

Published on: June 8, 2015

9.2K

Atmospheric H2 variability over the past 1,100 years.

John D Patterson1, Murat Aydin2, Miranda H Miranda2

  • 1Department of Earth System Science, University of California, Irvine, Irvine, CA, USA. jdpatter@uci.edu.

Nature
|February 4, 2026

View abstract on PubMed

Summary
This summary is machine-generated.

Rising hydrogen (H2) emissions from green energy could warm the climate via chemical effects. A millennium-long Greenland ice core record reveals significant H2 increases and climate sensitivity.

More Related Videos

Extraction and Characterization of Surfactants from Atmospheric Aerosols
09:34

Extraction and Characterization of Surfactants from Atmospheric Aerosols

Published on: April 21, 2017

17.3K
Treating Surfaces with a Cold Atmospheric Pressure Plasma using the COST-Jet
06:36

Treating Surfaces with a Cold Atmospheric Pressure Plasma using the COST-Jet

Published on: November 2, 2020

4.6K

Related Experiment Videos

Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface
13:27

Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface

Published on: June 8, 2015

9.2K
Extraction and Characterization of Surfactants from Atmospheric Aerosols
09:34

Extraction and Characterization of Surfactants from Atmospheric Aerosols

Published on: April 21, 2017

17.3K
Treating Surfaces with a Cold Atmospheric Pressure Plasma using the COST-Jet
06:36

Treating Surfaces with a Cold Atmospheric Pressure Plasma using the COST-Jet

Published on: November 2, 2020

4.6K

Area of Science:

  • Atmospheric Chemistry
  • Paleoclimatology
  • Green Energy Transition

Background:

  • Anthropogenic hydrogen (H2) emissions are projected to increase with green energy adoption.
  • Atmospheric H2, while not directly radiative, influences climate by altering methane, ozone, and water vapor concentrations.
  • Long-term atmospheric records are crucial for understanding H2 biogeochemistry and climate impacts, but instrumental records are limited.

Purpose of the Study:

  • To reconstruct a millennium-long record of atmospheric H2 using ice cores.
  • To investigate historical H2 emissions and their relationship with climate change.
  • To assess the sensitivity of H2 biogeochemistry to climate variations.

Main Methods:

  • Analysis of atmospheric hydrogen (H2) concentrations from a Greenland ice core.
  • Reconstruction of H2 levels spanning the past 1000 years.
  • Comparison of H2 trends with historical climate events like the Little Ice Age.

    • Main Results:

    • A 70-111% rise in atmospheric H2 from pre-industrial to modern times was observed.
    • This increase correlates with rising fossil fuel emissions and H2 precursors.
    • A 4-25% decrease in H2 levels during the Little Ice Age suggests climate sensitivity.

    Conclusions:

    • Ice core H2 records provide valuable long-term data on emissions and biogeochemical cycles.
    • Atmospheric H2 levels have significantly increased due to anthropogenic activities.
    • The sensitivity of H2 sources and sinks to climate warming warrants consideration in future climate projections.