New ice core evidence for a volcanic cause of the A.D. 536 dust veil

Larsen, LB, Vinther, BM, Briffa, KR, Melvin, TM, Clausen, HB, Jones, PD ORCID:, Siggaard-Andersen, M-L, Hammer, CU, Eronen, M, Grudd, H, Gunnarson, BE, Hantemirov, RM, Naurzbaev, MM and Nicolussi, K (2008) New ice core evidence for a volcanic cause of the A.D. 536 dust veil. Geophysical Research Letters, 35 (4). ISSN 1944-8007

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In New Zealand human cryptosporidiosis demonstrates spring and autumn peaks of incidence with the spring peak being three times greater in magnitude than the autumn peak. The imbalance between the two peaks is notable, and may be associated with the high livestock density in New Zealand. In the summer and autumn the cryptosporidiosis rate was positively associated with temperatures in the current and previous month, highlighting the importance of outdoor recreation to transmission. No associations between spring incidence and weather were found providing little support for the importance of drinking-water pathways. Imported travel cases do not appear to be an important factor in the aetiology of cryptosporidiosis in New Zealand.

Item Type: Article
Faculty \ School: Faculty of Science > School of Environmental Sciences
Depositing User: Rosie Cullington
Date Deposited: 25 Feb 2011 12:20
Last Modified: 23 Oct 2022 05:44
DOI: 10.1029/2007GL032450

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