Growth of snow crystals from frozen water droplets
Growth of frozen water droplets, falling freely in a supercooled cloud, was investigated by using a large cloud chamber 6.5 m in height. Water droplets containing silver iodide in suspension were dropped from the top of the chamber. The size of frozen water droplets was between 20 and 100 μm in diam...
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| Veröffentlicht in: | Atmospheric research 2006-11, Vol.82 (1), p.385-390 |
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| creator | Takahashi, Chuji Mori, Masaru |
| description | Growth of frozen water droplets, falling freely in a supercooled cloud, was investigated by using a large cloud chamber 6.5 m in height. Water droplets containing silver iodide in suspension were dropped from the top of the chamber. The size of frozen water droplets was between 20 and 100 μm in diameter. They were nucleated at about −
5 °C in most cases and froze into single-crystalline particles. Frozen water droplets grew at temperatures between −
5 and −
33 °C. Two modes were confirmed at the initial growth stage. In one mode, twenty circular crystal faces appeared during the growth. They were 2 basal, 6 prism and 12 pyramidal faces. {1120} crystal faces, whose existence has been suggested by theory, were confirmed in this experiment. In the other mode, steps or irregular patterns appeared in place of circular pyramidal and prism faces. After further growth frozen water droplets grew to short column-like ice crystals in both modes, and finally grew to snow crystals with the crystal habit as shown by Nakaya's diagram. |
| doi_str_mv | 10.1016/j.atmosres.2005.12.013 |
| format | Article |
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5 °C in most cases and froze into single-crystalline particles. Frozen water droplets grew at temperatures between −
5 and −
33 °C. Two modes were confirmed at the initial growth stage. In one mode, twenty circular crystal faces appeared during the growth. They were 2 basal, 6 prism and 12 pyramidal faces. {1120} crystal faces, whose existence has been suggested by theory, were confirmed in this experiment. In the other mode, steps or irregular patterns appeared in place of circular pyramidal and prism faces. After further growth frozen water droplets grew to short column-like ice crystals in both modes, and finally grew to snow crystals with the crystal habit as shown by Nakaya's diagram.</description><identifier>ISSN: 0169-8095</identifier><identifier>EISSN: 1873-2895</identifier><identifier>DOI: 10.1016/j.atmosres.2005.12.013</identifier><identifier>CODEN: ATREEW</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Cloud physics ; Crystal morphology ; Earth, ocean, space ; Exact sciences and technology ; External geophysics ; Free fall ; Frozen water droplets ; Growth from vapor ; Meteorology ; Snow crystals</subject><ispartof>Atmospheric research, 2006-11, Vol.82 (1), p.385-390</ispartof><rights>2006</rights><rights>2007 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c417t-9353e939c12f708adcda302beef11d66f5f7ba861ebefc5cccc9da7c0c3f2e463</citedby><cites>FETCH-LOGICAL-c417t-9353e939c12f708adcda302beef11d66f5f7ba861ebefc5cccc9da7c0c3f2e463</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0169809506000494$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>309,310,314,776,780,785,786,3537,23909,23910,25118,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18282610$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Takahashi, Chuji</creatorcontrib><creatorcontrib>Mori, Masaru</creatorcontrib><title>Growth of snow crystals from frozen water droplets</title><title>Atmospheric research</title><description>Growth of frozen water droplets, falling freely in a supercooled cloud, was investigated by using a large cloud chamber 6.5 m in height. Water droplets containing silver iodide in suspension were dropped from the top of the chamber. The size of frozen water droplets was between 20 and 100 μm in diameter. They were nucleated at about −
5 °C in most cases and froze into single-crystalline particles. Frozen water droplets grew at temperatures between −
5 and −
33 °C. Two modes were confirmed at the initial growth stage. In one mode, twenty circular crystal faces appeared during the growth. They were 2 basal, 6 prism and 12 pyramidal faces. {1120} crystal faces, whose existence has been suggested by theory, were confirmed in this experiment. In the other mode, steps or irregular patterns appeared in place of circular pyramidal and prism faces. After further growth frozen water droplets grew to short column-like ice crystals in both modes, and finally grew to snow crystals with the crystal habit as shown by Nakaya's diagram.</description><subject>Cloud physics</subject><subject>Crystal morphology</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>External geophysics</subject><subject>Free fall</subject><subject>Frozen water droplets</subject><subject>Growth from vapor</subject><subject>Meteorology</subject><subject>Snow crystals</subject><issn>0169-8095</issn><issn>1873-2895</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LAzEQhoMoWKt_Qfait10zSfcjN6VoFQpe9BzS7AS3bDc1k1rqrzelFY_OYebyvDPMw9g18AI4VHfLwsSVp4BUCM7LAkTBQZ6wETS1zEWjylM2SqDKG67Kc3ZBtOQJ5BM1YmIW_DZ-ZN5lNPhtZsOOoukpc8Gv9u0bh2xrIoasDX7dY6RLduYSgVfHOWbvT49v0-d8_jp7mT7MczuBOuZKlhKVVBaEq3ljWtsaycUC0QG0VeVKVy9MUwEu0NnSplKtqS230gmcVHLMbg9718F_bpCiXnVkse_NgH5DGpSsgSuZwOoA2uApeXB6HbqVCTsNXO8V6aX-VaT3ijQInRSl4M3xgiFrehfMYDv6SzeiERXwxN0fOEzvfnUYNNkOB4ttF9BG3fruv1M_u22Bcw</recordid><startdate>20061101</startdate><enddate>20061101</enddate><creator>Takahashi, Chuji</creator><creator>Mori, Masaru</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>7UA</scope><scope>C1K</scope><scope>KL.</scope></search><sort><creationdate>20061101</creationdate><title>Growth of snow crystals from frozen water droplets</title><author>Takahashi, Chuji ; Mori, Masaru</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c417t-9353e939c12f708adcda302beef11d66f5f7ba861ebefc5cccc9da7c0c3f2e463</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Cloud physics</topic><topic>Crystal morphology</topic><topic>Earth, ocean, space</topic><topic>Exact sciences and technology</topic><topic>External geophysics</topic><topic>Free fall</topic><topic>Frozen water droplets</topic><topic>Growth from vapor</topic><topic>Meteorology</topic><topic>Snow crystals</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Takahashi, Chuji</creatorcontrib><creatorcontrib>Mori, Masaru</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><jtitle>Atmospheric research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Takahashi, Chuji</au><au>Mori, Masaru</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Growth of snow crystals from frozen water droplets</atitle><jtitle>Atmospheric research</jtitle><date>2006-11-01</date><risdate>2006</risdate><volume>82</volume><issue>1</issue><spage>385</spage><epage>390</epage><pages>385-390</pages><issn>0169-8095</issn><eissn>1873-2895</eissn><coden>ATREEW</coden><abstract>Growth of frozen water droplets, falling freely in a supercooled cloud, was investigated by using a large cloud chamber 6.5 m in height. Water droplets containing silver iodide in suspension were dropped from the top of the chamber. The size of frozen water droplets was between 20 and 100 μm in diameter. They were nucleated at about −
5 °C in most cases and froze into single-crystalline particles. Frozen water droplets grew at temperatures between −
5 and −
33 °C. Two modes were confirmed at the initial growth stage. In one mode, twenty circular crystal faces appeared during the growth. They were 2 basal, 6 prism and 12 pyramidal faces. {1120} crystal faces, whose existence has been suggested by theory, were confirmed in this experiment. In the other mode, steps or irregular patterns appeared in place of circular pyramidal and prism faces. After further growth frozen water droplets grew to short column-like ice crystals in both modes, and finally grew to snow crystals with the crystal habit as shown by Nakaya's diagram.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.atmosres.2005.12.013</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Atmospheric research, 2006-11, Vol.82 (1), p.385-390 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Cloud physics Crystal morphology Earth, ocean, space Exact sciences and technology External geophysics Free fall Frozen water droplets Growth from vapor Meteorology Snow crystals |
| title | Growth of snow crystals from frozen water droplets |
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