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[PDF] Top 20 Recent results derived from regular ground-based FTIR observations at the Jungfraujoch and other NDACC stations

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Recent results derived from regular ground-based FTIR observations at the Jungfraujoch and other NDACC stations

Recent results derived from regular ground-based FTIR observations at the Jungfraujoch and other NDACC stations

... 2014), the balance between the source and reservoir species of chlorine has been ...to the lower stratosphere, characterized by a larger relative conversion of source gases to ...deviations ... Voir le document complet

24

The recent increase of atmospheric methane from 10 years of ground-based NDACC FTIR observations since 2005

The recent increase of atmospheric methane from 10 years of ground-based NDACC FTIR observations since 2005

... collected at Alert, representa- tive of the northern polar region, show an increase of methane of ...our FTIR observations at Eureka with a mean annual change of ...For the ... Voir le document complet

23

Trends of ozone total columns and vertical distribution from FTIR observations at eight NDACC stations around the globe

Trends of ozone total columns and vertical distribution from FTIR observations at eight NDACC stations around the globe

... columns and vertical distribution from FTIR observations standing and predicting the current and future ozone layer, and especially attributing an ozone recovery to ... Voir le document complet

19

Recent trends of inorganic chlorine and halogenated source gases above the Jungfraujoch and Kitt Peak stations derived from high-resolution FTIR solar observations

Recent trends of inorganic chlorine and halogenated source gases above the Jungfraujoch and Kitt Peak stations derived from high-resolution FTIR solar observations

... absorption observations are available from the Jungfraujoch and Kitt Peak stations, located at ...46.5ºN and 30.9ºN, respectively. State-of-the-art ... Voir le document complet

2

Retrieval of ammonia from ground-based FTIR solar spectra

Retrieval of ammonia from ground-based FTIR solar spectra

... illustrate the capabilities of the ...values at Bremen (mean of 13.47 × 10 15 molecules cm − 2 ) and lower values at Jungfraujoch (mean of ...on the vertical gradient, as ... Voir le document complet

15

Technical Note: New ground-based FTIR measurements at Ile de La Réunion: observations, error analysis, and comparisons with independent data

Technical Note: New ground-based FTIR measurements at Ile de La Réunion: observations, error analysis, and comparisons with independent data

... Abstract. Ground-based high spectral resolution Fourier- transform infrared (FTIR) solar absorption spectroscopy is a powerful remote sensing technique to obtain information on the total ... Voir le document complet

26

Retrievals of HCN from high-resolution FTIR solar spectra recorded at the Jungfraujoch station

Retrievals of HCN from high-resolution FTIR solar spectra recorded at the Jungfraujoch station

... used. The HCN a priori information (vertical distribution and covariance matrix assuming an inter-layer correlation of 4 km for extra diagonal elements) is essentially based on ACE-FTS occultation ... Voir le document complet

1

Recent changes of CH4 since 2005 from FTIR observations and GEOS-CHEM simulation

Recent changes of CH4 since 2005 from FTIR observations and GEOS-CHEM simulation

...  The need "For a proper closure of the methane budget and the development of realistic future climate scenarios, methane emissions during this stabilization period should be understood ... Voir le document complet

25

Post-peak trend of upper stratospheric hydrogen chloride derived from ground-based FTIR solar spectra and model simulations

Post-peak trend of upper stratospheric hydrogen chloride derived from ground-based FTIR solar spectra and model simulations

... is the end product of the photolysis of the chlorine-bearing source gases (CFCs, HCFCs, CCl 4 , CH 3 Cl…) which are monitored by the in situ surface networks (AGAGE, NOAA-ESRL…), HCl is ... Voir le document complet

14

Preliminary comparisons of the error budgets associated with ground-based FTIR measurements of atmospheric HCl and HF profiles at Ile de la Réunion and Jungfraujoch

Preliminary comparisons of the error budgets associated with ground-based FTIR measurements of atmospheric HCl and HF profiles at Ile de la Réunion and Jungfraujoch

... of the error budgets associated with ground-based FTIR measurements of atmospheric HCl and HF profiles at Île de la Réunion and Jungfraujoch Gauthier Vanhaelewyn ... Voir le document complet

2

Retrievals of C2H2 from high-resolution FTIR solar spectra recorded at the Jungfraujoch station (46.5ºN) and comparison with ACE-FTS observations

Retrievals of C2H2 from high-resolution FTIR solar spectra recorded at the Jungfraujoch station (46.5ºN) and comparison with ACE-FTS observations

... of the standard version ...lines from both the MCT and INSB ...available from 17 km down to at best 7 ...to Jungfraujoch data, since the ground- based ... Voir le document complet

1

Atmospheric CO and CH4 time series and seasonal variations on Reunion Island from ground-based in situ and FTIR (NDACC and TCCON) measurements

Atmospheric CO and CH4 time series and seasonal variations on Reunion Island from ground-based in situ and FTIR (NDACC and TCCON) measurements

... by the incomplete combustion of carbon-based fuels (Kasischke and Bruh- wiler, 2002) and the oxidation of methane or other carbon- containing compounds (Cullis and ... Voir le document complet

21

Carbon monoxide (CO) and ethane (C2H6) trends from ground-based solar FTIR measurements at six European stations, comparison and sensitivity analysis with the EMEP model

Carbon monoxide (CO) and ethane (C2H6) trends from ground-based solar FTIR measurements at six European stations, comparison and sensitivity analysis with the EMEP model

... In recent years the EMEP model has been extended to run at the hemispheric and global ...of the model have been uploaded to the HTAP database (Hemispheric Trans- port of ... Voir le document complet

17

POst-peak trend of upper stratospheric hydrogen chloride derived from ground-based FTIR solar spectra and model simulations

POst-peak trend of upper stratospheric hydrogen chloride derived from ground-based FTIR solar spectra and model simulations

... use FTIR (Fourier Transform InfraRed) data from the Jungfraujoch station (Swiss Alps, 3580 m ...of the NDACC network (http://www.ndacc.org), to study the evolution of HCl ... Voir le document complet

2

Retrievals of ethane from groundbased highresolution FTIR solar observations with updated line parameters: determination of the optimum strategy for the Jungfraujoch station.

Retrievals of ethane from groundbased highresolution FTIR solar observations with updated line parameters: determination of the optimum strategy for the Jungfraujoch station.

... All the spectra analyzed here have been recorded at the International Scientific Station of the Jungfraujoch ...into regular operation since 1984 allowing to record wide­band ... Voir le document complet

1

Validation of IASI FORLI carbon monoxide retrievals using FTIR data from NDACC

Validation of IASI FORLI carbon monoxide retrievals using FTIR data from NDACC

... daily and globally from space-borne IASI radiance spectra using the Fast Optimal Retrievals on Layers for IASI (FORLI) soft- ware developed at the Universit´e Libre de Bruxelles ... Voir le document complet

11

Validation of MOPITT carbon monoxide using ground-based Fourier transform infrared spectrometer data from NDACC

Validation of MOPITT carbon monoxide using ground-based Fourier transform infrared spectrometer data from NDACC

... acknowledge the numerous colleagues who contribute to FTS data acquisition and the many agencies that support the facilities, retrievals, and data ...Eureka: the Polar Environ- ... Voir le document complet

30

Comparison of lidar-derived PM10 with regional modeling and ground-based observations in the frame of MEGAPOLI experiment

Comparison of lidar-derived PM10 with regional modeling and ground-based observations in the frame of MEGAPOLI experiment

... platform The POLYPHEMUS air-quality modeling plateform (http: ...with the CTM model Po- lair3D, the gaseous chemistry scheme Regional Atmospheric Chemistry Model (RACM, Stockwell et ...1997), ... Voir le document complet

23

Recent results from the INDRA Collaboration

Recent results from the INDRA Collaboration

... specifically at free nucleons (here protons), we present experimental results concerning the mean free path, the nucleon-nucleon cross-section and in-medium effects in nuclear ...to ... Voir le document complet

10

Updating the Jungfraujoch FTIR databases : current status

Updating the Jungfraujoch FTIR databases : current status

... in the legend. Results are shown for a retrevial with three spectral lines (R1, P5 and ...for the stratospheric- and total columns are very good, while the response from ... Voir le document complet

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