搜索结果: 1-15 共查到“大气物理学 state”相关记录15条 . 查询时间(0.289 秒)
CCN predictions using simplified assumptions of organic aerosol composition and mixing state: a synthesis from six different locations
CCN predictions organic aerosol composition a synthesis six different locations
2010/8/13
An accurate but simple quantification of the fraction of aerosol particles that can act as cloud condensation nuclei (CCN) is needed for implementation in large-scale models. Data on aerosol size dist...
A detailed aerosol mixing state model for investigating interactions between mixing state, semivolatile partitioning, and coagulation
state model mixing state semivolatile partitioning coagulation
2010/8/12
A new method for describing externally mixed particles, the Detailed Aerosol Mixing State (DAMS) representation, is presented in this study. This novel method classifies aerosols by both composition a...
Black carbon over Mexico: the effect of atmospheric transport on mixing state, mass absorption cross-section, and BC/CO ratios
Black carbon Mexico atmospheric transport BC/CO ratios
2010/1/18
A single particle soot photometer (SP2) was operated on the NCAR C-130 during the MIRAGE campaign (part of MILAGRO), sampling black carbon (BC) over Mexico. The highest BC concentrations were measured...
The comprehensive model system COSMO-ART – Radiative impact of aerosol on the state of the atmosphere on the regional scale
COSMO-ART aerosol atmosphere regional scale
2009/11/19
A new fully online coupled model system developed for the evaluation of the interaction of aerosol particles with the atmosphere on the regional scale is described. The model system is based on the op...
A novel model to predict the physical state of atmospheric H2SO4/NH3/H2O aerosol particles
novel model atmospheric H2SO4/NH3/H2O aerosol particles
2009/3/11
The physical state of the tropospheric aerosol is largely unknown despite its importance for cloud formation and for the aerosol's radiative properties. Here we use detailed microphysical laboratory m...
Dependence of solar radiative forcing of forest fire aerosol on ageing and state of mixture
solar radiative forcing forest fire aerosol mixture
2009/3/11
During airborne in situ measurements of particle size distributions in a forest fire plume originating in Northern Canada, an accumulation mode number mean diameter of 0.34 mm was observed over Linden...
Assessment of the applicability of NO-NO2-O3 photostationary state to long-term measurements at the Hohenpeissenberg GAW Station, Germany
NO-NO2-O3 photostationary state Hohenpeissenberg GAW Station Germany
2009/3/3
Continuous measurements of concentrations of reactive gases, radiation, and meteorological parameters are carried out at the Meteorological Observatory Hohenpeissenberg (MOHp) as part of the Global At...
Effects of the physical state of tropospheric ammonium-sulfate-nitrate particles on global aerosol direct radiative forcing
tropospheric ammonium-sulfate-nitrate particles global aerosol radiative forcing
2009/2/20
The effect of aqueous versus crystalline sulfate-nitrate-ammonium tropospheric particles on global aerosol direct radiative forcing is assessed. A global three-dimensional chemical transport model pre...
Validation of remotely sensed profiles of atmospheric state variables: strategies and terminology
remotely sensed profiles atmospheric state strategies terminology
2009/1/15
This paper summarizes and classifies the various approaches to validation of remote measurements of atmospheric state variables, and tries to recommend a clear and unambiguous terminology. The followi...
Critical assessment of the current state of scientific knowledge, terminology, and research needs concerning the role of organic aerosols in the atmosphere, climate, and global change
current state of scientific knowledge role of organic aerosols global change
2009/1/8
In spite of impressive advances in recent years, our present understanding of organic aerosol (OA) composition, physical and chemical properties, sources and transformation characteristics is still ra...
Concentrations of OH and HO2 radicals during NAMBLEX: measurements and steady state analysis
OH and HO2 radicals steady state analysis
2009/1/6
OH and HO2 concentrations were measured simultaneously at the Mace Head Atmospheric Research Station in the summer of 2002 during the NAMBLEX (North Atlantic Marine Boundary Layer EXperiment) field ca...
Emission rate and chemical state estimation by 4-dimensional variational inversion
Emission rate chemical state 4-dimensional variational inversion
2008/12/15
This study aims to assess the potential and limits of an advanced inversion method to estimate pollutant precursor sources mainly from observations. Ozone, sulphur dioxide, and partly nitrogen oxides ...
Steady-state aerosol distributions in the extra-tropical, lower stratosphere and the processes that maintain them
extra-tropical lower stratosphere
2008/11/26
Measurements of aerosol, N2O and OCS made in the Northern Hemisphere below 21 km altitude following the eruption of Pinatubo are presented and analyzed. After September 1999, the oxidation of OCS and ...
Quality assessment of O3 profiles measured by a state-of-the-art ground-based FTIR observing system
O3 FTIR
2008/11/20
Ground-based Fourier Transform Infra-Red (FTIR) measurements are an important component of the global atmospheric monitoring system. Their essential role in validating satellite measurements requires ...
Reconstruction of the solar spectral UV irradiance for nowcasting of the middle atmosphere state on the basis of LYRA measurements
solar spectral UV middle atmosphere state LYRA
2008/11/10
The LYRA instrument onboard ESA PROBA2 satellite will provide 6-hourly solar irradiance at the Lyman-alpha (121.6 nm) and the Herzberg continuum (~200–220 nm wavelength range). Because the nowcasting ...