Now showing items 1-10 of 208
The changing ozone depletion potential of N2O in a future climate
Nitrous oxide (N 2 O), which decomposes in the stratosphere to form nitrogen oxides (NO x ), is currently the dominant anthropogenic ozone-depleting substance emitted. Ozone depletion potentials (ODPs) of specific compounds, ...
An upper-branch Brewer-Dobson circulation index for attribution of stratospheric variability and improved ozone and temperature trend analysis
We ﬁnd that wintertime temperature anomalies near 4hPa and 50◦N/S are related, through dynamics, to anomalies in ozone and temperature, particularly in the tropical stratosphere but also throughout the upper stratosphere ...
The role of methane in projections of 21st century stratospheric water vapour
Stratospheric water vapour (SWV) is an important component of the Earth’s atmosphere as it affects both radiative balance and the chemistry of the atmosphere. Key processes driving changes in SWV include dehydration of air ...
Wave functions for arbitrary operator ordering in the de Sitter minisuperspace approximation
(University of Canterbury. Physics and Astronomy, 2000)
We derive exact series solutions for the Wheeler-DeWitt equation corresponding to a spatially closed Friedmann-Robertson-Walker universe with cosmological constant for arbitrary operator ordering of the scale factor of ...
Differential expansion of space and the Hubble flow anisotropy
(University of Canterbury. Physics and Astronomy, 2016)
Cosmic structure, averaging and dark energy
(University of Canterbury. Physics and Astronomy, 2012)
Lagrangian theory of structure formation in relativistic cosmology. V. Irrotational fluids
We extend the general relativistic Lagrangian perturbation theory, recently developed for the formation of cosmic structures in a dust continuum, to the case of model universes containing a single fluid with a single–valued ...
Search for sterile neutrino mixing using three years of IceCube DeepCore data
© 2017 American Physical Society. We present a search for a light sterile neutrino using three years of atmospheric neutrino data from the DeepCore detector in the energy range of approximately 10-60 GeV. DeepCore is the ...
OGLE-2016-BLG-1469L: Microlensing Binary Composed of Brown Dwarfs
© 2017. The American Astronomical Society. All rights reserved. We report the discovery of a binary composed of two brown dwarfs, based on the analysis of the microlensing event OGLE-2016-BLG-1469. Thanks to the detection ...
Extending the Search for Muon Neutrinos Coincident with Gamma-Ray Bursts in IceCube Data
© 2017. The American Astronomical Society. All rights reserved.. We present an all-sky search for muon neutrinos produced during the prompt γ-ray emission of 1172 gamma-ray bursts (GRBs) with the IceCube Neutrino Observatory. ...