搜索结果: 16-30 共查到“理学 Lightning”相关记录48条 . 查询时间(0.104 秒)
Lightning NOx emissions over the USA constrained by TES ozone observations and the GEOS-Chem model
Lightning NOx TES ozone observations GEOS-Chem model
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2010/1/18
Improved estimates of NOx from lightning sources are required to understand tropospheric NOx and ozone distributions, the oxidising capacity of the troposphere and corresponding feedbacks between chem...
Lightning in the eastern Alps 1993-1999,part I:Thunderstorm tracks
Lightning eastern Alps 1993-1999 Thunderstorm tracks
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2009/12/14
Thunderstorm tracks in the eastern Alps for the summers of 1993-1999 are investigated based on lightning data. The tracking method consists of three steps. Step one filters weak storms. Step two fixes...
Cellular automaton modelling of lightning-induced and man made forest fires
Cellular automaton modelling lightning-induced and man made forest fires
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2009/12/8
The impact of forest fires on nature and civilisation is conflicting: on one hand, they play an irreplaceable role in the natural regeneration process, but on the other hand, they come within the majo...
Relationship between lightning and model simulated microphysical parameters over the central and eastern Mediterranean
lightning and model simulated microphysical parameters central and eastern Mediterranean
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2009/12/8
In this study the relationship between lightning and simulated microphysical parameters of clouds, is examined. In order to investigate such a relationship, a number of cases with significant lightnin...
A comparison of lightning data provided by ZEUS and LINET networks over Western Europe
lightning data ZEUS LINET networks Western Europe
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2009/12/8
In the framework of this paper, one-year of lightning data from the experimental network ZEUS operated by the National Observatory of Athens is compared to collocated data provided by the LINET detect...
NOx production by lightning in Hector: first airborne measurements during SCOUT-O3/ACTIVE
lightning Hector SCOUT-O3/ACTIVE
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2009/11/19
During the SCOUT-O3/ACTIVE field phase in November–December 2005, airborne in situ measurements were performed inside and in the vicinity of thunderstorms over northern Australia with several research...
Fractal dimension of lightning discharge
Fractal dimension lightning discharge
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2009/11/16
Using a stochastic model, we simulate the process of dielectric breakdown in the atmosphere and calculate the fractal dimension of 3-dimensional lightning patterns. Finite-size effects have been studi...
Lightning characteristics observed by a VLF/LF lightning detection network (LINET) in Brazil, Australia, Africa and Germany
Lightning characteristics lightning detection network LINET Brazil Australia Africa Germany
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2009/11/9
This paper describes lightning characteristics as obtained in four sets of lightning measurements during recent field campaigns in different parts of the world from mid-latitudes to the tropics by the...
Lightning-produced NOx during the Northern Australian monsoon; results from the ACTIVE campaign
Lightning-produced NOx Northern Australian monsoon ACTIVE campaign
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2009/10/9
Measurements of nitrogen oxides onboard a high altitude aircraft were carried out for the first time during the Northern Australian monsoon in the framework of the Aerosol and Chemical Transport in Tr...
Summertime impact of convective transport and lightning NOx production over North America: modeling dependence on meteorological simulations
convective transport lightning NOx production North America meteorological simulations
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2009/7/15
Global-scale chemical transport model simulations indicate lightning NOx dominates upper tropospheric O3 production above Eastern North America during summertime but vary in their estimates. To improv...
On the Accuracy and Detection Efficiency of a Lightning Location System of Four Direction Finders
Accuracy Detection Efficiency Location System Finders
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2009/6/15
On the Accuracy and Detection Efficiency of a Lightning Location System of Four Direction Finders.
Cosmic rays offer clue to lightning（图）
Cosmic rays clue lightning
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2009/6/8
It is a phenomenon that has puzzled people for thousands of years and drove Benjamin Franklin to risk his kite and life in search of answers. Now, a trio of researchers in America may have finally fou...
Sensitivity of satellite observations for freshly produced lightning NOx
Sensitivity satellite observations lightning NOx
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2009/3/13
In this study, we analyse the sensitivity of nadir viewing satellite observations in the visible range to freshly produced lightning NOx. This is a particular challenge due to the complex and highly v...
Space-borne observations link the tropical atlantic ozone maximum and paradox to lightning
Space-borne observations tropical atlantic ozone lightning
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2009/2/23
The potential enhancement of tropospheric column ozone values over the Tropical Atlantic Ocean on a seasonal basis by lightning is investigated using satellite derived ozone data, TRMM lightning data,...
Estimates of lightning NOx production from GOME satellite observations
lightning NOx production GOME satellite
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2009/2/17
Tropospheric NO2 column retrievals from the Global Ozone Monitoring Experiment (GOME) satellite spectrometer are used to quantify the source strength and 3-D distribution of lightning produced nitroge...