Related Experiment Video
Updated: Jul 8, 2026
04:36
Production of Synthetic Nuclear Melt Glass
Published on: January 4, 2016
Smoke production from multiple nuclear explosions in nonurban areas
Science (New York, N.Y.)
|August 2, 1985
Summary
This study estimates smoke production from wildland fires following a nuclear exchange. Results indicate significantly less smoke than previously predicted, below levels needed to cause major solar radiation reduction.
Area of Science:
- Environmental Science
- Climate Science
- Nuclear Winter Studies
Background:
- Assessing the environmental impact of large-scale nuclear exchanges is crucial.
- Previous "nuclear winter" models estimated significant smoke production from post-nuclear fires.
- Understanding wildland fire dynamics in response to nuclear conflict is essential.
Purpose of the Study:
- To estimate the amount of smoke produced by wildland or rural fires after a large-scale nuclear exchange.
- To compare these estimates with previous "nuclear winter" studies.
- To determine if estimated smoke levels could significantly attenuate solar radiation.
Main Methods:
- Compilation of data on rural military facilities from unclassified sources.
- Analysis of facility geographic positions, surrounding vegetation (fuel), and weather conditions.
- Calculation of ignition area (corrected for fuel moisture) and fire spread to determine smoke production.
Main Results:
- Estimated smoke production from wildland fires is substantially lower than in earlier "nuclear winter" studies.
- Smoke production varies seasonally.
- Peak smoke production is an order of magnitude less than the threshold for significant solar radiation attenuation.
Conclusions:
- Wildland fire smoke following a nuclear exchange is unlikely to cause a "nuclear winter" scenario as previously feared.
- The environmental impact, specifically concerning solar radiation, may be less severe than predicted by older models.
- Further research could refine these estimates with more detailed regional data.
More Related Videos
Related Concept Videos
03:18Radioactivity and Nuclear Equations
Nuclear chemistry is the study of reactions that involve changes in nuclear structure. The nucleus of an atom is composed of protons and, except for hydrogen, neutrons. The number of protons in the nucleus is called the atomic number (Z) of the element, and the sum of the number of protons and the number of neutrons is the mass number (A). Atoms with the same atomic number but different mass numbers are isotopes of the same element.
A nuclide of an element has a specific number of protons and...
A nuclide of an element has a specific number of protons and...
03:23Types of Radioactivity
The most common types of radioactivity are α decay, β decay, γ decay, neutron emission, and electron capture.
Alpha (α) decay is the emission of an α particle from the nucleus. For example, polonium-210 undergoes α decay:
Alpha (α) decay is the emission of an α particle from the nucleus. For example, polonium-210 undergoes α decay:
02:50Nuclear Fission
Many heavier elements with smaller binding energies per nucleon can decompose into more stable elements that have intermediate mass numbers and larger binding energies per nucleon—that is, mass numbers and binding energies per nucleon that are closer to the “peak” of the binding energy graph near 56. Sometimes neutrons are also produced. This decomposition of a large nucleus into smaller pieces is called fission. The breaking is rather random with the formation of a large number of different...
02:36Nuclear Power
Controlled nuclear fission reactions are used to generate electricity. Any nuclear reactor that produces power via the fission of uranium or plutonium by bombardment with neutrons has six components: nuclear fuel consisting of fissionable material, a nuclear moderator, a neutron source, control rods, reactor coolant, and a shield and containment system.
Nuclear Fuels
Nuclear fuel consists of a fissile isotope, such as uranium-235, which must be present in sufficient quantity to provide a...
Nuclear Fuels
Nuclear fuel consists of a fissile isotope, such as uranium-235, which must be present in sufficient quantity to provide a...
03:20Nuclear Transmutation
Nuclear transmutation is the conversion of one nuclide into another. It can occur by the radioactive decay of a nucleus, or the reaction of a nucleus with another particle. The first manmade nucleus was produced in Ernest Rutherford’s laboratory in 1919 by a transmutation reaction, the bombardment of one type of nuclei with other nuclei or with neutrons. Rutherford bombarded nitrogen-14 atoms with high-speed α particles from a natural radioactive isotope of radium and observed protons being...
01:30Atomic Emission Spectroscopy: Interference
In atomic emission spectroscopy (AES), high-temperature atomizers excite a broad range of elements and molecules that generate complex emissions from sources such as oxides, hydroxides, and flame combustion products in the flame or plasma. Several strategies can be employed to minimize spectral interferences caused by overlapping emission lines or bands. These include increasing instrument resolution, choosing alternative emission lines, optimally placing the detector in low-background regions,...