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Electron-microscope study of cloud and fog nuclei

Abstract

Droplets of clouds on a mountain and of fog in an urban area were captured and the form, nature and size of their nuclei were studied by means of an electron-microscope and by a chamber of constant humidity. These nuclei have similar form and nature to the hygroscopic particles in haze and to the artificially produced combustion particles. No sea-salt nuclei were found in our observations, therefore, sea-spray appears to be an insignificant source of condensation nuclei. It was found that both the cloud and the fog nuclei originated in combustion products which were the mixture of hygroscopic and non-hygroscopic substances, and that the greater part of the nuclei did not contain pure sulfuric acid.
Publication Date:
Jan 01, 1952
Product Type:
Journal Article
Reference Number:
EDB-84-005680
Resource Relation:
Journal Name: Tellus; (Sweden); Journal Volume: 4
Subject:
54 ENVIRONMENTAL SCIENCES; CLOUDS; CONDENSATION NUCLEI; ELECTRON MICROSCOPY; FOG; AIR POLLUTION; ATMOSPHERIC PRECIPITATIONS; COMBUSTION PRODUCTS; DROPLETS; SULFURIC ACID; HYDROGEN COMPOUNDS; INORGANIC ACIDS; MICROSCOPY; PARTICLES; POLLUTION; 520200* - Environment, Aquatic- Chemicals Monitoring & Transport- (-1989); 500200 - Environment, Atmospheric- Chemicals Monitoring & Transport- (-1989)
OSTI ID:
5607194
Country of Origin:
Sweden
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: TELLA
Submitting Site:
HEDB
Size:
Pages: 233-240
Announcement Date:

Citation Formats

Ogiwara, S, and Okita, T. Electron-microscope study of cloud and fog nuclei. Sweden: N. p., 1952. Web. doi:10.1111/j.2153-3490.1952.tb01008.x.
Ogiwara, S, & Okita, T. Electron-microscope study of cloud and fog nuclei. Sweden. doi:10.1111/j.2153-3490.1952.tb01008.x.
Ogiwara, S, and Okita, T. 1952. "Electron-microscope study of cloud and fog nuclei." Sweden. doi:10.1111/j.2153-3490.1952.tb01008.x. https://www.osti.gov/servlets/purl/10.1111/j.2153-3490.1952.tb01008.x.
@misc{etde_5607194,
title = {Electron-microscope study of cloud and fog nuclei}
author = {Ogiwara, S, and Okita, T}
abstractNote = {Droplets of clouds on a mountain and of fog in an urban area were captured and the form, nature and size of their nuclei were studied by means of an electron-microscope and by a chamber of constant humidity. These nuclei have similar form and nature to the hygroscopic particles in haze and to the artificially produced combustion particles. No sea-salt nuclei were found in our observations, therefore, sea-spray appears to be an insignificant source of condensation nuclei. It was found that both the cloud and the fog nuclei originated in combustion products which were the mixture of hygroscopic and non-hygroscopic substances, and that the greater part of the nuclei did not contain pure sulfuric acid.}
doi = {10.1111/j.2153-3490.1952.tb01008.x}
journal = {Tellus; (Sweden)}
volume = {4}
journal type = {AC}
place = {Sweden}
year = {1952}
month = {Jan}
}