Results 21 to 30 of about 99,867 (269)

Cleaner fuels for ships provide public health benefits with climate tradeoffs

open access: yesNature Communications, 2018
Aerosol pollution from shipping contributes to cooling but also leads to premature mortality and morbidity. Here the authors combine emission inventories, atmospheric models and health risk functions to show how cleaner marine fuels will reduce premature
Mikhail Sofiev   +9 more
doaj   +1 more source

Improving aerosol interaction with clouds and precipitation in a regional chemical weather modeling system [PDF]

open access: yesAtmospheric Chemistry and Physics, 2016
A comprehensive aerosol–cloud–precipitation interaction (ACI) scheme has been developed under a China Meteorological Administration (CMA) chemical weather modeling system, GRAPES/CUACE (Global/Regional Assimilation and PrEdiction System, CMA Unified ...
C. Zhou   +4 more
doaj   +1 more source

Effects of temperature and salinity on bubble-bursting aerosol formation simulated with a bubble-generating chamber [PDF]

open access: yesAtmospheric Measurement Techniques, 2022
A new bubble-generating glass chamber with an extensive set of aerosol production experiments is presented. Compared to the experiments described in the literature since the ground-setting works of Edward C.​​​​​​​ Monahan et al.
S. Sofieva   +16 more
doaj   +1 more source

The Association between Vessel Departures and Air Pollution in Helsinki Port Area 2016–2021

open access: yesAtmosphere, 2023
European ports are struggling to install enough shore power connections to follow the European Commission initiative, which insists ships that lie alongside to be plugged in and have their auxiliary engines off in EU ports by 2030.
Mikko Heikkilä, Jukka-Pekka Jalkanen
doaj   +1 more source

Limitation of Atmospheric Composition by Combustion–Explosion in Exoplanetary Atmospheres [PDF]

open access: yesThe Astrophysical Journal, 2018
Abstract This work presents theoretical studies that combine aspects of combustion and explosion theory with exoplanetary atmospheric science. Super-Earths could possess a large amount of molecular hydrogen depending on disk, planetary, and stellar properties.
Grenfell, John Lee   +5 more
openaire   +2 more sources

Inverse modeling of black carbon emissions over China using ensemble data assimilation [PDF]

open access: yesAtmospheric Chemistry and Physics, 2016
Emissions inventories of black carbon (BC), which are traditionally constructed using a bottom-up approach based on activity data and emissions factors, are considered to contain a large level of uncertainty.
P. Wang   +10 more
doaj   +1 more source

Measuring atmospheric composition change [PDF]

open access: yesAtmospheric Environment, 2009
Scientific findings from the last decades have clearly highlighted the need for a more comprehensive approach to atmospheric change processes. In fact, observation of atmospheric composition variables has been an important activity of atmospheric research that has developed instrumental tools (advanced analytical techniques) and platforms (instrumented
Laj P   +104 more
openaire   +10 more sources

Prediction of size-resolved number concentration of cloud condensation nuclei and long-term measurements of their activation characteristics

open access: yesScientific Reports, 2017
Atmospheric aerosol particles acting as cloud condensation nuclei (CCN) are key elements in the hydrological cycle and climate. To improve our understanding of the activation characteristics of CCN and to obtain accurate predictions of their ...
H. C. Che   +8 more
doaj   +1 more source

The local ship speed reduction effect on black carbon emissions measured at a remote marine station [PDF]

open access: yesAtmospheric Chemistry and Physics
Speed restrictions for ships have been introduced locally to reduce the waves and turbulence causing erosion, and safety hazards, and to mitigate the air and underwater noise emissions. Ship speed restrictions could be used to minimize the climate impact
M. Heikkilä   +3 more
doaj   +1 more source

Atmospheric Structure and Composition

open access: yes, 2009
Titan's atmosphere is predominantly N2 with CH4 the next most abundant molecule. It has a mole fraction of 0.05 just above the surface decreasing to 0.014 in the stratosphere. Above the homopause (~800–850 km), it increases to 0.12 at the exobase. The third abundant molecule is H2 with a tropospheric mole fraction of 0.001 increasing to 0.004 at ~1000 ...
Strobel, Darell   +9 more
openaire   +3 more sources

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