| Abstract: | Hawaiian montane ecosystems developing on recent tephra deposits contain more fixed nitrogen than conventional sources can explain. Heath and Huebert (1999) demonstrated that cloud water interception is the mechanism by which this extra nitrogen is deposited, but could not identify its source. We show here that atmospheric dinitrogen is fixed at the surface of active lava flows, producing concentrations of NO which are higher than those found in most urban rush hour air pollution. Over a period of hours this NO is blown away from the island and oxidized to nitrate. Interruptions in the trade wind flow can return this nitrate to the island to be deposited in cloud water. Thus, fixation on active lava flows is able to provide nitrogen to developing ecosystems on flows emplaced earlier. |
| Genre: | Article |
| ProdID: | 70022007 |
| Citation Author: | Huebert, B.; Vitousek, P.; Sutton, J.; Elias, T.; Heath, J.; Coeppicus, S.; Howell, S.; Blomquist, B. |
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| Citation End Page: | 118 |
| Citation Issue: | 1 |
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| Citation Language: | English |
| Citation Larger Work Title: | Biogeochemistry |
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| Citation Number Of Pages: | 8 |
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| Citation Search Results Text: | Volcano fixes nitrogen into plant-available forms; 1999; Article; Journal; Biogeochemistry; Huebert, B.; Vitousek, P.; Sutton, J.; Elias, T.; Heath, J.; Coeppicus, S.; Howell, S.; Blomquist, B. |
| Citation Start Page: | 111 |
| Citation Volume: | 47 |
| Citation Year: | 1999 |
| Type: | citation/reference |
| Text: | Volcano fixes nitrogen into plant-available forms; 1999; Article; Journal; Biogeochemistry; Huebert, B.; Vitousek, P.; Sutton, J.; Elias, T.; Heath, J.; Coeppicus, S.; Howell, S.; Blomquist, B. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| URL (DIGITAL OBJECT IDENTIFIER): | http://dx.doi.org/10.1023/A:1006276011055 |
| Date Other: | Fri, 1 Jan 1999 00:00 -0600 |
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