搜索结果: 1-15 共查到“大气物理学 nitrate”相关记录17条 . 查询时间(0.086 秒)
Anthropogenic imprints on nitrogen and oxygen isotopic composition of precipitation nitrate in a nitrogen-polluted city in southern China
nitrogen oxygen isotopic precipitation nitrate a nitrogen-polluted city southern China
2011/2/25
Nitric acid (HNO3) or nitrate (NO3−) is the dominant sink for reactive nitrogen oxides (NOx = NO + NO2) in the atmosphere. In many Chinese cities, HNO3 is becoming a significant contributor to a...
Seasonality of Peroxyacetyl nitrate (PAN) in the upper troposphere and lower stratosphere using the MIPAS-E instrument
Peroxyacetyl nitrate the upper troposphere and lower stratosphere the MIPAS-E instrument
2010/8/16
The Michelson Interferometer for Passive Atmospheric Sounding onboard ENVISAT (MIPAS–E) offers the opportunity to detect and spectrally resolve many atmospheric minor constituents affecting atmospheri...
Tracing the fate of atmospheric nitrate deposited onto a forest ecosystem in Eastern Asia using Δ17O
atmospheric nitrate forest ecosystem Eastern Asia
2010/2/21
The stable isotopic compositions of nitrate in precipitation (wet deposition) and groundwater (spring, lake, and stream water) were determined for the island of Rishiri, Japan, so as to use the 17O an...
Isoprene oxidation by nitrate radical: alkyl nitrate and secondary organic aerosol yields
Isoprene oxidation nitrate radical alkyl nitrate secondary organic aerosol yields
2009/9/22
Alkyl nitrates and secondary organic aerosol (SOA) produced during the oxidation of isoprene by nitrate radicals has been observed in the SAPHIR (Simulation of Atmospheric PHotochemistry In a large Re...
Real time chemical characterization of local and regional nitrate aerosols
Real time chemical characterization nitrate aerosols
2009/6/16
Nitrate aerosols make a very major contribution to PM2.5 and PM10 in western Europe, but their sources and pathways have not been fully elucidated. An Aerosol Time-of-Flight Mass Spectrometer (ATOFMS)...
Summertime PM2.5 ionic species in four major cities of China: nitrate formation in an ammonia-deficient atmosphere
PM2.5 ionic species China nitrate formation ammonia-deficient atmosphere
2009/3/13
Strong atmospheric photochemistry in summer can produce a significant amount of secondary aerosols, which may have a large impact on regional air quality and visibility. In the study reported herein,...
Secondary inorganic aerosol simulations for Europe with special attention to nitrate
Secondary inorganic aerosol simulations Europe special attention nitrate
2009/2/26
Nitrate is an important component of (secondary inorganic) fine aerosols in Europe. We present a model simulation for the year 1995 in which we account for the formation of secondary inorganic aeroso...
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...
Near-IR photodissociation of peroxy acetyl nitrate
Near-IR photodissociation peroxy acetyl nitrate
2009/2/6
Measurements of the C-H overtone transition strengths combined with estimates of the photodissociation cross sections for these transitions suggest that near-IR photodissociation of peroxy acetyl nitr...
Improved mid-infrared cross-sections for peroxyacetyl nitrate（PAN）vapour
mid-infrared cross-sections peroxyacetyl nitrate vapour PAN
2009/1/23
Absorption spectra of peroxyacetyl nitrate (PAN, CH3C(O)OONO2) vapour at room temperature (295K) have been measured in the mid-infrared range, 550-2200cm-1 (18.2-4.55µm), using a Fourier Transfo...
Modelling of nitrate and ammonium-containing aerosols in presence of sea salt
nitrate ammonium-containing aerosols sea salt
2009/1/16
A thermodynamical model for treatment of gas/aerosol partitioning of semi volatile inorganic aerosols has been implemented in a global chemistry and aerosol transport model (Oslo CTM2). The sulphur cy...
Low temperature mid-infrared cross-sections for peroxyacetyl nitrate（PAN）vapour
Low temperature mid-infrared cross-sections peroxyacetyl nitrate vapour PAN
2009/1/14
Laboratory absorption spectra of peroxyacetyl nitrate (PAN, CH3C(O)OONO2) vapour have been measured in the mid-infrared range 550 cm-1 to 1400 cm-1 (18.2 to 7.14 µm) at both 250 K and 273 K, us...
Influence of trans-Pacific pollution transport on acyl peroxy nitrate abundances and speciation at Mount Bachelor Observatory during INTEX-B
trans-Pacific pollution transport acyl peroxy nitrate abundances Mount Bachelor Observatory INTEX-B
2008/12/23
We present month-long observations of speciated acyl peroxy nitrates (APNs), including PAN, PPN, MPAN, APAN, and the sum of PiBN and PnBN, measured at the Mount Bachelor Observatory (MBO) as part of t...
Global peroxyacetyl nitrate (PAN) retrieval in the upper troposphere from limb emission spectra of the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS)
PAN upper troposphere limb emission spectra Michelson Interferometer MIPAS
2008/12/11
We use limb emission spectra of the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) onboard the ENVIronmental SATellite (ENVISAT) to derive the first global distribution of peroxyac...
Nitrogen and oxygen isotopic constraints on the origin of atmospheric nitrate in coastal Antarctica
Nitrogen oxygen isotopic constraint atmospheric nitrate coastal Antarctica
2008/12/8
Throughout the year 2001, aerosol samples were collected continuously for 10 to 15 days at the French Antarctic Station Dumont d'Urville (DDU) (66°40' S, l40°0' E, 40 m above mean sea level). The nitr...