搜索结果: 1-15 共查到“大气科学 trace gas”相关记录19条 . 查询时间(0.062 秒)
Assessment of fossil fuel carbon dioxide and other anthropogenic trace gas emissions from airborne measurements over Sacramento, California in spring 2009
fossil fuel carbon dioxide anthropogenic trace gas airborne measurements Sacramento California
2011/2/24
Direct quantification of fossil fuel CO2 (CO2ff) in atmospheric samples can be used to examine several carbon cycle and air quality questions. We collected in situ CO2, CO, and CH4 measurements and fl...
Laboratory measurements of trace gas emissions from biomass burning of fuel types from the southeastern and southwestern United States
Laboratory measurements trace gas fuel types the southeastern and southwestern United States
2010/11/30
Vegetation commonly managed by prescribed burning was collected from five southeastern and southwestern US military bases and burned under controlled conditions at the US Forest Service Fire Sciences ...
Trace gas and particle emissions from domestic and industrial biofuel use and garbage burning in central Mexico
Trace gas garbage burning central Mexico
2010/2/1
In central Mexico during the spring of 2007 we measured the initial emissions of 12 gases and the aerosol speciation for elemental and organic carbon (EC, OC), anhydrosugars, Cl−, NO3−, an...
A two-step scheme for high-resolution regional atmospheric trace gas inversions based on independent models
high-resolution regional atmospheric trace gas independent models
2009/8/7
Mixing ratio measurements of atmospheric tracers like CO2 can be used to estimate regional surface-air tracer fluxes using inverse methods, involving a numerical transport model. Currently available t...
East Asian SO2 pollution plume over Europe – Part 1: Airborne trace gas measurements and source identification by particle dispersion model simulations
East Asian SO2 pollution Europe Airborne trace gas measurements source identification
2009/7/23
A large SO2-rich pollution plume of East Asian origin was detected by aircraft based CIMS (Chemical Ionization Mass Spectrometry) measurements at 3–7.5 km altitude over the North Atlantic. The measure...
Significant variations of trace gas composition and aerosol properties at Mt. Cimone during air mass transport from North Africa – contributions from wildfire emissions and mineral dust
trace gas composition North Africa wildfire emissions mineral dust
2009/7/22
High levels of trace gas (O3 and CO) and aerosol (BC, fine and coarse particle volumes), as well as high scattering coefficient (σp) values, were recorded at the regional GAW-WMO station of Mt. Cimone...
Simulation of trace gas redistribution by convective clouds - Liquid phase processes
Simulation of trace gas convective clouds - Liquid phase processes
2009/3/12
A two-dimensional dynamic cloud model with detailed microphysics and a spectral treatment of gas scavenging was used to simulate trace gas vertical redistribution in precipitating continental and mar...
Köhler theory for a polydisperse droplet population in the presence of a soluble trace gas, and an application to stratospheric STS droplet growth
Kö hler theory polydisperse droplet population soluble trace gas stratospheric STS droplet
2009/3/11
We consider the equilibrium behavior of a polydisperse aqueous droplet population as a function of relative humidity (RH) when a soluble trace gas, such as nitric acid, is present in the system. The d...
Trace gas measurements from infrared satellite for chemistry and climate applications
Trace gas infrared satellite chemistry and climate applications
2009/3/11
Space-borne thermal infrared instruments working in the nadir geometry are providing spectroscopic measurements of species that impact on the chemical composition of the atmosphere and on the climate ...
Inelastic scattering in ocean water and its impact on trace gas retrievals from satellite data
Inelastic scattering ocean water trace gas retrievals satellite data
2009/3/11
Over clear ocean waters, photons scattered within the water body contribute significantly to the upwelling flux. In addition to elastic scattering, inelastic Vibrational Raman Scattering (VRS) by li...
Ozone production and trace gas correlations during the June 2000 MINATROC intensive easurement campaign at Mt. Cimone
Ozone production trace gas correlations MINATROC intensive easurement campaign Mt. Cimone
2009/3/10
An intensive measurement campaign was performed in June 2000 at the Mt. Cimone station (44°11' N-10°42' E, 2165 m asl, the highest mountain in the northern Italian Apennines) to study photochemical oz...
Trace gas transport in the 1999/2000 Arctic winter: comparison of nudged GCM runs with observations
Trace gas transport Arctic winter nudged GCM runs
2009/2/20
We have compared satellite and balloon observations of methane (CH4) and hydrogen fluoride (HF) during the Arctic winter 1999/2000 with results from the MA-ECHAM4 middle atmospheric general circulatio...
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...
Subtropical trace gas profiles determined by ground-based FTIR spectroscopy at Izaña（28° N, 16° W）: Five-year record, error analysis, and comparison with 3-D CTMs
Subtropical trace gas profiles FTIR spectroscopy 3-D CTMs
2009/1/23
Within the framework of the NDSC (Network for the Detection of Stratospheric Change) ground-based FTIR solar absorption spectra have been routinely recorded at Izaña Observatory (28° N, 16° W)...
Airborne measurements of trace gas and aerosol particle emissions from biomass burning in Amazonia
Airborne measurements trace gas aerosol particle emissions biomass burning Amazonia
2009/1/14
As part of the LBA-SMOCC (Large-Scale Biosphere-Atmosphere Experiment in Amazonia - Smoke, Aerosols, Clouds, Rainfall, and Climate) 2002 campaign, we studied the emission of carbon monoxide (CO), carb...