搜索结果: 31-45 共查到“理学 Lightning”相关记录48条 . 查询时间(0.144 秒)
The effects of lightning-produced NOx and its vertical distribution on atmospheric chemistry: sensitivity simulations with MATCH-MPIC
lightning-produced NOx vertical distribution atmospheric chemistry MATCH-MPIC
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2009/2/12
The impact of different assumptions concerning the source magnitude as well as the vertical placement of lightning-produced nitrogen oxides is studied using the global chemistry transport model MATCH-...
Regional lightning NOx sources during the TROCCINOX experiment
NOx sources TROCCINOX experiment
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2009/1/22
A lightning NOx (LiNOx) source has been implemented in the deep convection scheme of the Meso-NH mesoscale model following a mass-flux formalism coherent with the transport and scavenging of gases ins...
Estimating the NOx produced by lightning from GOME and NLDN data: a case study in the Gulf of Mexico
NOx GOME NLDN Gulf of Mexico
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2009/1/5
Nitrogen oxides (NOxNO+NO2) play an important role in tropospheric chemistry, in particular in catalytic ozone production. Lightning provides a natural source of nitrogen oxides, dominating the produc...
Lightning and convection parameterisations – uncertainties in global modelling
Lightning convection parameterisations global modelling
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2008/12/18
The simulation of convection, lightning and consequent NOx emissions with global atmospheric chemistry models is associated with large uncertainties since these processes are heavily parameterised. Ea...
Vertical profiles of lightning-produced NO2 enhancements in the upper troposphere observed by OSIRIS
NO2 enhancement upper troposphere OSIRIS
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2008/12/17
The purpose of this study is to perform a global search of the upper troposphere (z≥10 km) for enhancements of nitrogen dioxide and determine their sources. This is the first application of satellite-...
The global lightning-induced nitrogen oxides source
lightning-induced nitrogen oxides
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2008/12/15
The knowledge of the lightning-induced nitrogen oxides (LNOx) source is important for understanding and predicting the nitrogen oxides and ozone distributions in the troposphere and their trends, the ...
Lightning-produced NOx over Brazil during TROCCINOX: airborne measurements in tropical and subtropical thunderstorms and the importance of mesoscale convective systems
NOx Brazil airborne measurements subtropical thunderstorms mesoscale convective systems
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2008/12/11
During the TROCCINOX field experiments in February–March 2004 and February 2005, airborne in situ measurements of NO, NOy, CO, and O3 mixing ratios and the J(NO2) photolysis rate were carried out in t...
Lightning-produced NO2 observed by two ground-based UV-visible spectrometers at Vanscoy, Saskatchewan in August 2004
Lightning-produced NO2 UV-visible spectrometer Vanscoy Saskatchewan
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2008/12/4
Ground-based measurements of ozone and NO2 differential slant columns by the SAOZ (Système d'Analyse par Observations Zénithales) and UT-GBS (University of Toronto Ground-Based Spectrometer) instrume...
The Chisholm firestorm: observed microstructure, precipitation and lightning activity of a pyro-cumulonimbus
observed microstructure pyro-cumulonimbus
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2008/12/1
A fire storm that occurred on 28 May 2001 and devastated the town of Chisholm, ~150 km north of Edmonton, Alberta, induced a violent fire-invigorated cumulonimbus cloud. This pyro-cumulonimbus (pyro-C...
Corrigendum to“Lightning-produced NO2 observed by two ground-based UV-visible spectrometers at Vanscoy, Saskatchewan in August 2004”published in Atmos. Chem. Phys., 7, 1683–1692, 2007
Corrigendum NO2 UV-visible spectrometers Vanscoy Saskatchewan
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2008/11/19
Corrigendum to "Lightning-produced NO2 observed by two ground-based UV-visible spectrometers at Vanscoy, Saskatchewan in August 2004" published in Atmos. Chem. Phys., 7, 1683–1692, 2007.
The effect of lightning NOx production on surface ozone in the continental United States
lightning NOx surface ozone continental United States
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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...
Evaluation of a new lightning-produced NOx parameterization for cloud resolving models and its associated uncertainties
lightning-produced NOx cloud resolving models
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2008/11/17
A new parameterization of the lightning-produced NOx has been developed for cloud-resolving models. This parameterization is based on the unique characteristics of identifying which convective cells a...
Lightning activity in Brazilian thunderstorms during TROCCINOX: implications for NOx production
Brazilian thunderstorms TROCCINOX implications NOx
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2008/10/30
During the TROCCINOX field experiment in January and February 2005, the contribution of lightning-induced nitrogen oxides (LNOx) from tropical and subtropical thunderstorms in Southern Brazil was inve...
Thunderstorm nowcasting by means of lightning and radar data: algorithms and applications in northern Italy
Thunderstorm nowcasting algorithms and applications northern Italy radar data
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2009/12/31
Thunderstorms and their ground effects, such as flash floods, hail, lightning, strong winds, and tornadoes, are responsible for most weather damages in northern Italy, especially in the warm season fr...
Thunderstorm nowcasting by means of lightning and radar data:algorithms and applications in northern Italy
Thunderstorm nowcasting means of lightning radar data algorithms applications
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2010/1/4
Thunderstorms and their ground effects, such as flash floods, hail, lightning, strong winds, and tornadoes, are responsible for most weather damages in northern Italy, especially in the warm season fr...