Results 71 to 80 of about 94,404 (228)

Stratosphere chemistry in a 2-D model with residual circulation [PDF]

open access: yes
The objective of this research was to examine the effects of chemical perturbations on the stratosphere using models which can incorporate fully interactive radiative, chemical, and dynamical responses, in the context of a zonally averaged model.
Guthrie, Paul D., Jackman, Charles H.
core   +1 more source

Superluminous supernovae: No threat from Eta Carinae [PDF]

open access: yes, 2007
Recently Supernova 2006gy was noted as the most luminous ever recorded, with a total radiated energy of ~10^44 Joules. It was proposed that the progenitor may have been a massive evolved star similar to eta Carinae, which resides in our own galaxy at a ...
Adrian L. Melott   +5 more
core   +1 more source

Ozone depletion due to dust release of iodine in the free troposphere. [PDF]

open access: yesSci Adv, 2021
Koenig TK   +13 more
europepmc   +1 more source

The 2020 Arctic ozone depletion and signs of its effect on the ozone column at lower latitudes. [PDF]

open access: yesBull Atmos Sci Technol, 2021
Petkov B   +10 more
europepmc   +1 more source

Ozone profiles above Palmer Station, Antarctica [PDF]

open access: yes
NASA's Goddard Space Flight Center/Wallops Flight Facility conducted a series of 52 balloon-borne measurements of vertical ozone profiles over the National Science Foundation (NSF) research facility at Palmer Station, Antarctica (64 deg 46 S, 64 deg 3 W)
Brothers, George, Torres, Arnold L.
core   +1 more source

Volatile organic compound ratios as probes of halogen atom chemistry in the Arctic [PDF]

open access: yes, 2007
International audienceVolatile organic compound concentration ratios can be used as indicators of halogen chemistry that occurs during ozone depletion events in the Arctic during spring. Here we use a combination of modeling and measurements of [acetone]/
Biesenthal, T. A.   +3 more
core   +2 more sources

Climate model simulation of winter warming and summer cooling following the 1991 Mount Pinatubo volcanic eruption

open access: yes, 1999
We simulate climate change for the 2-year period following the eruption of Mount Pinatubo in the Philippines on June 15, 1991, with the ECHAM4 general circulation model (GCM).
Antuna, J.   +4 more
core   +1 more source

Environmental effects of stratospheric ozone depletion, UV radiation, and interactions with climate change: UNEP Environmental Effects Assessment Panel, Update 2021. [PDF]

open access: yesPhotochem Photobiol Sci, 2022
Barnes PW   +49 more
europepmc   +1 more source

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