Related Experiment Video
Updated: Feb 13, 2026
06:10
Using Generative Art to Convey Past and Future Climate Transitions
Published on: March 31, 2023
1.5K
Internal climate variability and projected future regional steric and dynamic sea level rise
1Climate and Global Dynamics Laboratory, National Center for Atmospheric Research, Boulder, CO, 80307, USA. ahu@ucar.edu.
Nature Communications
|March 16, 2018
Summary
Lowering emissions significantly reduces global sea level rise (SLR) later this century. However, regional variations exist, with some areas like the Philippines showing minimal SLR reduction due to ocean dynamics.
Area of Science:
- Climate Science
- Oceanography
- Sea Level Rise Research
Background:
- Global climate warming is causing sea level rise (SLR), significantly impacting coastal and island communities.
- Internal climate processes can regionally modulate projected future SLR, but dependence on emission pathways is unclear.
Purpose of the Study:
- To investigate the potential reduction in steric and dynamic sea level rise (SLR) by adopting a lower emission scenario compared to a business-as-usual one.
- To analyze how regional modulation of SLR reduction by internal climate variability differs between emission pathways over the 21st century.
Main Methods:
- Analysis of two sets of ensemble simulations from a climate model.
- Comparison of steric and dynamic oceanographic effects on SLR under different emission scenarios (lower vs. business-as-usual).
Main Results:
- Near-term (21st century) steric and dynamic SLR shows no statistically significant difference globally or regionally between the two emission scenarios.
- Statistically significant global mean SLR reduction is observed later in the century (2061-2080) under the lower emission scenario.
- Insignificant SLR reduction occurs in specific regions, like the Philippines and west of Australia, linked to ocean dynamics and intensified internal variability.
Conclusions:
- Mitigating emissions can lead to substantial SLR reduction later in the 21st century, but the effect is not uniform across all regions.
- Internal climate variability and regional ocean dynamics play a crucial role in modulating the effectiveness of emission reductions on local sea level rise.
More Related Videos
Related Concept Videos
01:50Global Climate Change
29.0K
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.
29.0K
01:12Fermi Level Dynamics
744
The vacuum level denotes the energy threshold required for an electron to escape from a material surface. It is usually positioned above the conduction band of a semiconductor and acts as a benchmark for comparing electron energies within various materials.
Electron affinity in semiconductors refers to the energy gap between the minimum of its conduction band and the vacuum level and it is a critical parameter in determining how easily a semiconductor can accept additional electrons.
The work...
Electron affinity in semiconductors refers to the energy gap between the minimum of its conduction band and the vacuum level and it is a critical parameter in determining how easily a semiconductor can accept additional electrons.
The work...
744
01:16Critical Region, Critical Values and Significance Level
13.4K
The critical region, critical value, and significance level are interdependent concepts crucial in hypothesis testing.
In hypothesis testing, a sample statistic is converted to a test statistic using z, t, or chi-square distribution. A critical region is an area under the curve in probability distributions demarcated by the critical value. When the test statistic falls in this region, it suggests that the null hypothesis must be rejected. As this region contains all those values of the...
In hypothesis testing, a sample statistic is converted to a test statistic using z, t, or chi-square distribution. A critical region is an area under the curve in probability distributions demarcated by the critical value. When the test statistic falls in this region, it suggests that the null hypothesis must be rejected. As this region contains all those values of the...
13.4K
01:16What is Climate?
20.9K
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.
20.9K
01:27Levels of Communication II: Organizational, Public, and Group Dynamics
3.1K
Effective communication is the foundation of a good organization. Communication is the lifeblood of an organization that connects the group with messages. In an organization, communication occurs in upward, downward, and horizontal lines. Downward communication travels from the administrative and senior levels to the staff through official channels such as manuals, rules and regulations, and organizational charts. Staff members initiate upward communication, which is addressed to executives and...
3.1K
01:10Radical Reactivity: Steric Effects
2.5K
The presence of electron-donating, electron-withdrawing, or conjugating groups adjacent to a radical center, imparts electronic stabilization to the radicals. Examples of such electronically-stabilized radicals are triphenylmethyl, tetramethylpiperidine‐N‐oxide, and 2,2‐diphenyl‐1‐picrylhydrazyl. These radicals are remarkably stable and are known as persistent radicals. Some of the persistent radicals can even be isolated and purified.
Along with electronic...
Along with electronic...
2.5K