搜索结果: 1-15 共查到“理学 scavenging”相关记录21条 . 查询时间(0.14 秒)
Development of a new semi-empirical parameterization for below-cloud scavenging of size-resolved aerosol particles by both rain and snow
new semi-empirical parameterization rain
2014/12/18
t. A parameter called the scavenging coefficient 3
is widely used in aerosol chemical transport models (CTMs)
to describe below-cloud scavenging of aerosol particles by
rain and snow. However...
Uncertainty assessment of current size-resolved parameterizations for below-cloud particle scavenging by rain
current size-resolved parameterizations below-cloud particle rain
2010/8/13
Current theoretical and empirical size-resolved parameterizations of the scavenging coefficient (Λ), a parameter commonly used in aerosol transport models to describe below-cloud particle scavenging b...
Application of an Oxygen Electrode to Evaluate Superoxide Anion-scavenging Ability
Application Oxygen Electrode Evaluate Superoxide Anion-scavenging Ability
2010/9/15
The ability to scavenge superoxide anion radicals (•O2−) was determined using an oxygen electrode. The method is based on the determination of •O2− generated by the reaction of...
Scavenging and retention of bismuth by marine plankton and biogenic particles
Scavenging retention bismuth marine plankton biogenic particles
2014/4/17
We did radiotracer experiments using207 Bi to quantify the bioavailability, accumulation, and retention of bismuth in marine plankton and biogenic detritus. The accumulation of207Bi by two species of ...
Wet scavenging of SO2 emissions around India's largest lignite based power plant
Wet scavenging SO2 emissions India's largest lignite based power plant
2010/9/10
The Neyveli Lignite Corporation (NLC) is among the largest lignite based power plants in South East Asia. The four elevated stacks from this power plant emanate a substantial amount of sulphur dioxide...
Uncertainties in atmospheric chemistry modelling due to convection parameterisations and subsequent scavenging
atmospheric chemistry modelling parameterisations subsequent scavenging
2010/2/21
Moist convection in global modelling contributes significantly to the transport of energy, momentum, water and trace gases and aerosols within the troposphere. Since convective clouds are on a scale t...
Influences of in-cloud aerosol scavenging parameterizations on aerosol concentrations and wet deposition in ECHAM5-HAM
in-cloud aerosol aerosol concentrations ECHAM5-HAM
2010/2/21
A diagnostic cloud nucleation scavenging scheme, which determines stratiform cloud scavenging ratios for both aerosol mass and number distributions, based on cloud droplet, and ice crystal number conc...
Modelling the effect of boundary scavenging on Thorium and Protactinium profiles in the ocean
the effect of boundary scavenging Thorium and Protactinium profiles the ocean
2010/1/21
The "boundary scavenging" box model is a cornerstone of our understanding of the particle-reactive radionuclide fluxes between the open ocean and the ocean margins. However, it does not describe the r...
Oxidative scavenging of cerium on hydrous Fe oxide: Evidence from the distribution of rare earth elements and yttrium between Fe oxides and Mn oxides in hydrogenetic ferromanganese crusts
rare earth elements yttrium ferromanganese crust Fe oxide Mn oxide Ce oxidation seawater
2017/8/9
The distribution of the rare earths and yttrium (REY) in co-existing hydrous Mn oxides and Fe oxides that form marine hydrogenetic ferromanganese crusts is used to better describe the partitioning and...
Aerosol size-dependent below-cloud scavenging by rain and snow in the ECHAM5-HAM
size-dependent below-cloud scavenging rain snow ECHAM5-HAM
2009/7/23
Wet deposition processes are highly efficient in the removal of aerosols from the atmosphere, and thus strongly influence global aerosol concentrations, and clouds, and their respective radiative forc...
Observations and model calculations of trace gas scavenging in a dense Saharan dust plume during MINATROC
trace gas scavenging dense Saharan dust MINATROC
2009/2/12
An intensive field measurement campaign was performed in July/August 2002 at the Global Atmospheric Watch station Izaña on Tenerife to study the interaction of mineral dust aerosol and troposph...
Scavenging of ultrafine particles by rainfall at a boreal site: observations and model estimations
ultrafine particles rainfall model estimations
2009/1/16
Values of the scavenging coefficient determined from observations of ultrafine particles (with diameters in the range 10–510 nm) during rain events at a boreal forest site in Southern Finland between ...
Technical note: A new comprehensive SCAVenging submodel for global atmospheric chemistry modelling
comprehensive SCAVenging submodel global atmospheric chemistry modelling
2009/1/4
We present the new scavenging scheme SCAV, simulating the removal of trace gases and aerosol particles by clouds and precipitation in global atmospheric chemistry models. The scheme is quite flexible ...
Model sensitivity studies regarding the role of the retention coefficient for the scavenging and redistribution of highly soluble trace gases by deep convective cloud systems
retention coefficient soluble trace gases deep convective cloud systems
2008/12/8
The role of the retention coefficient (i.e. the fraction of a dissolved trace gas which is retained in hydrometeors during freezing) for the scavenging and redistribution of highly soluble trace gases...
Scavenging of black carbon in mixed phase clouds at the high alpine site Jungfraujoch
black carbon mixed phase clouds alpine site Jungfraujoch
2008/12/5
The scavenging of black carbon (BC) in liquid and mixed phase clouds was investigated during intensive experiments in winter 2004, summer 2004 and winter 2005 at the high alpine research station Jungf...