搜索结果: 1-15 共查到“大气科学 L-variation”相关记录34条 . 查询时间(0.09 秒)
Seasonal Variation and Sources of Polycyclic Aromatic Hydrocarbons (PAHs) in Indoor and Outdoor Air in a Semi Arid Tract of Northern India
Indoor and outdoor air Gas/Particulate PAHs Seasonality Toxic assessment Source apportionment
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2016/3/25
PAHs concentration in particulate and gas phase was investigated in indoor and outdoor air of urban residential and
roadside homes in a semiarid region of India. Samples were collected during winter ...
Seasonal Variation and Sources of Heavy Metals in Atmospheric Aerosols in a Residential Area of Ulsan, Korea
Temporal variation PM2.5 PM10 Heavy metals Source identification
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2016/3/28
This study investigated seasonal variations in mass concentrations of particulate matter (PM) and compositions of heavy
metals in PM2.5 and PM10 collected from a typical urban residential area in Uls...
D/H variation in terrestrial lipids from Santa Barbara Basin over the past 1400 years: A preliminary assessment of paleoclimatic relevance
Santa Barbara Basin paleoclimatic relevance
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2014/4/8
We analyzed D/H ratios of common terrestrial leaf wax lipids in a 1400 year sediment core from the Santa
Barbara Basin (SBB) to test whether they accurately record terrestrial climate in Southern Cal...
Diurnal variation of midlatitudinal NO3 column abundance over table mountain facility, California
midlatitudinal NO3 column table mountain facility California
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2011/2/25
The column abundance of NO3 was measured over Table Mountain Facility, CA (34.4° N, 117.7° W) from May 2003 through September 2004, using lunar occultation near full moon with a grating spectrometer. ...
Sources of light-absorbing aerosol in arctic snow and their seasonal variation
light-absorbing aerosol arctic snow seasonal variation
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2010/11/30
Two data sets consisting of measurements of light absorbing aerosols (LAA) in arctic snow together with suites of other corresponding chemical constituents are presented; the first from Siberia, Green...
Seasonal variation and spatial distribution of carbonaceous aerosols in Taiwan
Seasonal variation spatial distribution carbonaceous aerosols Taiwan
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2010/10/21
To investigate the physico-chemical properties of aerosols in Taiwan, an observation network was initiated in 2003. In this work, the measurements of the mass concentration and carbonaceous compositio...
Variation of particle number size distributions and chemical compositions at the urban and downwind regional sites in the Pearl River Delta during summertime pollution episodes
particle number size distributions chemical compositions the urban and downwind regional sites the Pearl River Delta summertime pollution episodes
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2010/10/11
In order to characterize the features of particulate pollution in the Pearl River Delta (PRD) in the summer, continuous measurements of particle number size distributions and chemical compositions wer...
Short-term variation in near-highway air pollutant gradients on a winter morning
Short-term variation near-highway air pollutant a winter morning
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2010/9/21
Quantification of exposure to traffic-related air pollutants near highways is hampered by incomplete knowledge of the scales of temporal variation of pollutant gradients. The goal of this study was to...
The importance of aerosol mixing state and size-resolved composition on CCN concentration and the variation of the importance with atmospheric aging of aerosols
aerosol mixing state size-resolved composition CCN concentration atmospheric aerosols
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2010/8/16
Aerosol microphysics, chemical composition, and CCN concentrations were measured at the T0 urban supersite in Mexico City during Megacity Initiative: Local and Global Research Observations (MILAGRO) i...
Spatial distribution and interannual variation of surface PM10 concentrations over eighty-six Chinese cities
Spatial distribution interannual variation eighty-six Chinese cities
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2010/8/13
The spatial distribution of the aerosols over 86 Chinese cities was reconstructed from air pollution index (API) records for summer 2000 to winter 2006. PM10 (particulate matter ≤10 μm) mass concentra...
Study of spatiotemporal variation of atmospheric mercury and its human exposure around an integrated steel plant, India
spatiotemporal variation atmospheric mercury an integrated steel plant
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2010/8/13
Mercury release by coal combustion has been significantly increased in India. Mercury content in coal has been analyzed to 0.272 ppm by Central Pollution Control Board. Toxicological effects of elemen...
Study on the Seasonal Variation and Source Apportionment of PM10 in Harbin, China
Atmospheric particles Seasonal variation Enrichment factor Source apportionmen
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2016/3/29
The atmospheric respirable particulate matter (PM10) from four typical districts of Harbin was collected in four seasons.
By analyzing the samples, we got the spatial distribution and seasonal variat...
Seasonal Variation and Source Apportionment of Atmospheric Carbonyl Compounds in Urban Kaohsiung, Taiwan
Carbonyl compounds Seasonal variation Receptor model PCA APCS
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2016/3/29
The concentrations of 18 atmospheric carbonyls species were measured at Nan-Chie and Hsiung-Kong sites in
Kaohsiung City, Taiwan, during the summer and winter of 2006. Formaldehyde and acetaldehyde w...
27-day variation in cloud amount in the Western Pacific warm pool region and relationship to the solar cycle
Western Pacific warm pool region solar cycle
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2010/2/21
Although linkages between solar activity and the earth's climate have been suggested and the 11-year cycle in solar activity evident in sunspot numbers is the most examined example of periodicity in p...
Seasonal variation of aliphatic amines in marine sub-micrometer particles at the Cape Verde islands
aliphatic amines marine sub-micrometer particles Cape Verde islands
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2009/12/31
Monomethylamine (MA), dimethylamine (DMA) and diethylamine (DEA) were detected at non-negligible concentrations in sub-micrometer particles at the Cap Verde Atmospheric Observatory (CVAO) located on t...