R
Richard McKenzie
Researcher at National Institute of Water and Atmospheric Research
Publications - 131
Citations - 8463
Richard McKenzie is an academic researcher from National Institute of Water and Atmospheric Research. The author has contributed to research in topics: Ozone depletion & Ozone layer. The author has an hindex of 45, co-authored 124 publications receiving 7746 citations. Previous affiliations of Richard McKenzie include Cancer Epidemiology Unit & Wellington Management Company.
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Journal ArticleDOI
Changes in biologically active ultraviolet radiation reaching the Earth's surface
TL;DR: It will be several years before the beginning of an ozone recovery can be unambiguously identified at individual locations, and future changes in greenhouse gases will affect the future evolution of ozone through chemical, radiative, and dynamic processes.
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Changes in biologically-active ultraviolet radiation reaching the Earth's surface
TL;DR: The Montreal Protocol is working as mentioned in this paper and ozone depletion is now decreasing, and the decline in total column amounts seen in the 1980s and 1990s at mid-latitudes has not continued.
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Ozone depletion and climate change: impacts on UV radiation
Richard McKenzie,Pieter J. Aucamp,Alkiviades F. Bais,Lars Olof Björn,Lars Olof Björn,Mohamad Ilyas,Sasha Madronich +6 more
TL;DR: The Montreal Protocol is working, but it will take several decades for ozone to return to 1980 levels, and the phase-out of CFCs is currently tending to counteract the increases in surface temperature due to increased GHGs.
Journal Article
Changes in ultraviolet-radiation reaching the earths surface
TL;DR: In the last few years, the quality and quantity of UV measurements from different instruments are diminishing toward the 5% level, with little historical data available for baseline estimations as mentioned in this paper.
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Increased summertime UV radiation in New Zealand in response to ozone loss.
TL;DR: Long-term decreases in summertime ozone over Lauder, New Zealand, are shown to have led to substantial increases in peak ultraviolet (UV) radiation intensities, providing strong evidence of human-induced increases in UV radiation, in a region where baseline levels of UV radiation were already relatively high.