搜索结果: 1-15 共查到“大气化学 stratosphere”相关记录46条 . 查询时间(0.125 秒)
Quantifying transport into the Arctic lowermost stratosphere
the Arctic lowermost stratosphere the Arctic vortex the Arctic winter 2003
2010/12/28
In the Arctic winter 2003, in-situ measurements of the long-lived trace gases N2O, CFC-11 (CCl3F), H-1211 (CBrClF2), CH4, O3 and H2O have been performed on board the high-altitude aircraft M55 Geophys...
Analysis of 13C and 18O isotope data of CO2 in CARIBIC aircraft samples as tracers of upper troposphere/lower stratosphere mixing and the global carbon cycle
13C and 18O isotope data CO2 CARIBIC aircraft samples the global carbon cycle
2010/9/21
The project CARIBIC (http://caribic-atmospheric.com) aims to study atmospheric chemistry and transport by regularly measuring many compounds in the free troposphere and the upper troposphere/lowermost...
Midlatitude stratosphere – troposphere exchange as diagnosed by MLS O3 and MOPITT CO assimilated fields
Midlatitude stratosphere troposphere exchange MLS O3 MOPITT CO assimilated fields
2010/3/5
This paper presents a comprehensive characterization of a very deep stratospheric intrusion which occurred over the British Isles on 15 August 2007. The signature of this event is diagnosed using ozon...
Fractional release factors of long-lived halogenated organic compounds in the tropical stratosphere
Fractional release factors halogenated organic compounds tropical stratosphere
2010/2/21
Fractional release factors (FRFs) of organic trace gases are time-independent quantities that influence the calculation of Global Warming Potentials and Ozone Depletion Potentials. We present the firs...
Planetary wave activity in the polar lower stratosphere
Planetary wave activity polar lower stratosphere
2010/2/1
Temperature data from the COSMIC GPS-RO satellite constellation are used to study the distribution and variability of planetary wave activity in the low to mid- stratosphere (15–40 km) of the Arctic a...
Trend in ice moistening the stratosphere – constraints from isotope data of water and methane
ice moistening isotope data water methane
2010/1/18
Water plays a major role in the chemistry and radiative budget of the stratosphere. Air enters the stratosphere predominantly in the tropics, where the very low temperatures around the tropopause cons...
Annual cycle of ozone at and above the tropical tropopause: observations versus simulations with the Chemical Lagrangian Model of the Stratosphere (CLaMS)
Annual cycle tropical tropopause Chemical Lagrangian Model Stratosphere CLaMS
2010/1/18
Multi-annual simulations with the Chemical Lagrangian Model of the Stratosphere (CLaMS) were conducted to study the seasonality of O3 within the stratospheric part of the tropical tropopause layer (TT...
What drives the observed variability of HCN in the troposphere and lower stratosphere?
observed variability HCN troposphere lower stratosphere
2009/11/19
We use the GEOS-Chem global 3-D chemistry transport model to investigate the relative importance of chemical and physical processes that determine observed variability of hydrogen cyanide (HCN) in the...
Origin of aerosol particles in the mid-latitude and subtropical upper troposphere and lowermost stratosphere from cluster analysis of CARIBIC data
aerosol particles troposphere lowermost stratosphere CARIBIC data
2009/11/19
The origin of aerosol particles in the upper troposphere and lowermost stratosphere over the Eurasian continent was investigated by applying cluster analysis methods to in situ measured data. Number c...
Constraints on inorganic gaseous iodine in the tropical upper troposphere and stratosphere inferred from balloon-borne solar occultation observations
inorganic gaseous troposphere stratosphere balloon-borne solar
2009/10/9
We report upper limits of IO and OIO in the tropical upper troposphere and stratosphere inferred from solar occultation spectra recorded by the LPMA/DOAS (Limb Profile Monitor of the Atmosphere/Differ...
Nitric acid in the stratosphere based on Odin observations from 2001 to 2009 – Part 2: High-altitude polar enhancements
Nitric acid Odin observations High-altitude polar enhancements
2009/9/27
The wintertime abundance of nitric acid (HNO3) in the polar upper stratosphere displays a strong inter-annual variability, and is known to be strongly influenced by energetic particle precipitation (E...
Evaluation of CLaMS, KASIMA and ECHAM5/MESSy1 simulations in the lower stratosphere using observations of Odin/SMR and ILAS/ILAS-II
CLaMS KASIMA ECHAM5/MESSy1 Odin/SMR ILAS/ILAS-II
2009/8/18
1-year data sets of monthly averaged nitrous oxide (N2O) and ozone (O3) derived from satellite measurements were used as a tool for the evaluation of atmospheric photochemical models. Two 1-year data ...
The governing processes and timescales of stratosphere-to-troposphere transport and its contribution to ozone in the Arctic troposphere
stratosphere-to-troposphere transport ozone Arctic troposphere
2009/5/15
We used the seasonality of a combination of atmospheric trace gases and idealized tracers to examine stratosphere-to-troposphere transport and its influence on tropospheric composition in the Arctic. ...
Global temperature estimates in the troposphere and stratosphere: a validation study of COSMIC/FORMOSAT-3 measurements
Global temperature estimates troposphere stratosphere COSMIC/FORMOSAT-3 measurements
2009/3/13
This paper mainly focuses on the validation of temperature estimates derived with the newly launched Constellation Observing System for Meteorology Ionosphere and Climate (COSMIC)/Formosa Satellite 3 ...
Spatio-temporal variations of NOy species in the northern latitudes stratosphere measured with the balloon-borne MIPAS instrument
Spatio-temporal variations NOy species northern latitudes stratosphere balloon-borne MIPAS instrument
2009/3/13
his paper presents the spatio-temporal distribution of NOy species at altitudes between 14 and 31 km as measured with the MIPAS-B instrument on the morning of 21 March 2003 in northern Scandinavia. At...