搜索结果: 91-105 共查到“大气科学 surface”相关记录119条 . 查询时间(0.355 秒)
Circumpolar transport and air-surface exchange of atmospheric mercury at Ny-Ålesund (79° N), Svalbard, spring 2002
Circumpolar transport atmospheric mercury Svalbard
2008/11/27
Mercury in different environmental compartments has been measured at Ny-Ålesund (78°54' N, 11°53' E) during an intensive campaign, 17 April to 14 May 2002. Time-resolved speciated determination ...
Surface and boundary layer exchanges of volatile organic compounds, nitrogen oxides and ozone during the GABRIEL campaign
Surface and boundary layer volatile organic compounds nitrogen oxides ozone
2008/11/24
We present an evaluation of sources, sinks and turbulent transport of nitrogen oxides, ozone and volatile organic compounds (VOC) in the boundary layer over French Guyana and Suriname during the Octob...
Transpacific transport of ozone pollution and the effect of recent Asian emission increases on air quality in North America: an integrated analysis using satellite, aircraft, ozonesonde, and surface observations
ozone pollution Asian emission North America
2008/11/24
We use an ensemble of aircraft, satellite, sonde, and surface observations for April–May 2006 (NASA/INTEX-B aircraft campaign) to better understand the mechanisms for transpacific ozone pollution and ...
Effect of explicit urban land surface representation on the simulation of the 26 July 2005 heavy rain event over Mumbai, India
explicit urban land heavy rain Mumbai India
2008/11/24
We investigate whether explicit representation of the urban land surface improves the simulation of the record-breaking 24-h heavy rain event that occurred over Mumbai, India on 26 July 2005 as the ev...
Contributions of pollutants from North China Plain to surface ozone at the Shangdianzi GAW Station
North China Plain surface ozone Shangdianzi GAW Station
2008/11/21
Regional ozone pollution has become one of the top environmental concerns in China, especially in those economically vibrant and densely populated regions, such as North China region including Beijing...
ENSO surface shortwave radiation forcing over the tropical Pacific
ENSO shortwave radiation tropical Pacific
2008/11/20
We have studied the spatial and temporal variation of the downward shortwave radiation (DSR) at the surface of the Earth during ENSO events for a 21-year period over the tropical and subtropical Paci...
Weekly patterns of México City's surface concentrations of CO, NOx, PM10 and O3 during 1986–2007
México City CO NOx PM10 O3
2008/11/19
Surface pollutant concentrations in México City show a distinct pattern of weekly variations similar to that observed in many other cities of the world. Measurements of the concentrations of carbon mo...
Parameterization of N2O5 reaction probabilities on the surface of particles containing ammonium, sulfate, and nitrate
N2O5 sulfate nitrate
2008/11/19
A parameterization was developed for the heterogeneous reaction probability (γ) of N2O5 as a function of temperature, relative humidity (RH), particle composition, and phase state, for use in advanced...
The effect of lightning NOx production on surface ozone in the continental United States
lightning NOx surface ozone continental United States
2008/11/18
Lightning NOx emissions calculated using the US National Lightning Detection Network data were found to account for 30% of the total NOx emissions for July–August 2004, a period chosen both for having...
The aerosol distribution in Europe derived with the Community Multiscale Air Quality (CMAQ) model: comparison to near surface in situ and sunphotometer measurements
aerosol Europe Community Multiscale Air Quality (CMAQ) sunphotometer measurements
2008/11/18
The aerosol distribution in Europe was simulated with the Community Multiscale Air Quality (CMAQ) model system version 4.5 for the years 2000 and 2001. The results were compared with daily averages of...
Ternary solution of sodium chloride, succinic acid and water; surface tension and its influence on cloud droplet activation
sodium chloride succinic acid cloud droplet activation
2008/11/14
Surface tension of ternary solution of sodium chloride, succinic acid and water was measured as a function of both composition and temperature by using the capillary rise technique. Both sodium chlori...
Diagnosing recent CO emissions and ozone evolution in East Asia using coordinated surface observations, adjoint inverse modeling, and MOPITT satellite data
CO ozone evolution East Asia MOPITT satellite
2008/11/13
Simultaneous ground-based measurements of ozone (O3) and carbon monoxide (CO) were conducted in March 2005 as part of the East Asian Regional Experiment (EAREX) 2005 under the umbrella of the Atmosphe...
Assessing the near surface sensitivity of SCIAMACHY atmospheric CO2 retrieved using (FSI) WFM-DOAS
SCIAMACHY atmospheric CO2 FSI WFM-DOAS
2008/11/12
Satellite observations of atmospheric CO2 offer the potential to identify regional carbon surface sources and sinks and to investigate carbon cycle processes. The extent to which satellite measurement...
Seven year particulate matter air quality assessment from surface and satellite measurements
particulate matter air quality assessment satellite measurement
2008/11/11
Using seven years of the Moderate Resolution Imaging Spectroradiometer (MODIS) aerosol optical thickness (AOT) data and ground measurements of particulate matter mass over one site in the Southeastern...
Paleoclimatic reconstructions in western Canada from boreholetemperature logs: surface air temperature forcing and groundwater flow
paleoclimatic western Canada boreholetemperature
2008/11/10
Modelling of surface temperature change effect on temperature vs.~depth and temperature-depth logs in Western Canada Sedimentary Basin show that SAT (surface air temperature) forcing is the main driv...