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[PDF] Top 20 Retrieval of tropospheric column densities of NO<sub>2</sub> from combined SCIAMACHY nadir/limb measurements

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Retrieval of tropospheric column densities of NO&lt;sub&gt;2&lt;/sub&gt; from combined SCIAMACHY nadir/limb measurements

Retrieval of tropospheric column densities of NO<sub>2</sub> from combined SCIAMACHY nadir/limb measurements

... subtracted from the VCDs V ∗ , thereby removing the stratosphere and possible additive ...the limb data to define the LLV (see ...point of view, this is the most simple and straightforward ...bias ... See full document

17

Retrieval of tropospheric NO&lt;sub&gt;2&lt;/sub&gt; using the MAX-DOAS method combined with relative intensity measurements for aerosol correction

Retrieval of tropospheric NO<sub>2</sub> using the MAX-DOAS method combined with relative intensity measurements for aerosol correction

... study of eight parameters affecting tropospheric NO 2 retrieval: AOT, boundary layer height for NO 2 and aerosols (BLH), boundary layer column of NO 2 (N), ... See full document

19

Improvements to the retrieval of tropospheric NO&lt;sub&gt;2&lt;/sub&gt; from satellite &amp;ndash; stratospheric correction using SCIAMACHY limb/nadir matching and comparison to Oslo CTM2 simulations

Improvements to the retrieval of tropospheric NO<sub>2</sub> from satellite &ndash; stratospheric correction using SCIAMACHY limb/nadir matching and comparison to Oslo CTM2 simulations

... initiative of the Helmholtz Associ- ation of German research centres (HGF) at the Alfred Wegener Institute for Polar and Marine Research, is gratefully acknowl- ...the SCIAMACHY Quality Working ... See full document

20

A high spatial resolution retrieval of NO&lt;sub&gt; 2&lt;/sub&gt; column densities from OMI: method and evaluation

A high spatial resolution retrieval of NO<sub> 2</sub> column densities from OMI: method and evaluation

... portion of the Arctic Research of the Composition of the Troposphere from Aircraft and Satellites (ARCTAS-CA) field ...ing of emissions, chemical dynamics and air quality over the state ... See full document

12

Inter-comparison of stratospheric O&lt;sub&gt;3&lt;/sub&gt; and NO&lt;sub&gt;2&lt;/sub&gt; abundances retrieved from balloon borne direct sun observations and Envisat/SCIAMACHY limb measurements

Inter-comparison of stratospheric O<sub>3</sub> and NO<sub>2</sub> abundances retrieved from balloon borne direct sun observations and Envisat/SCIAMACHY limb measurements

... the SCIAMACHY PFM Satellite Spectrometer are used in the forward model (Bogumil et ...taken from the corresponding ECMWF data. The SCIAMACHY pointing errors are accounted for by applying appropriate ... See full document

22

Profiles of CH&lt;sub&gt;4&lt;/sub&gt;, HDO, H&lt;sub&gt;2&lt;/sub&gt;O, and N&lt;sub&gt;2&lt;/sub&gt;O with improved lower tropospheric vertical resolution from Aura TES radiances

Profiles of CH<sub>4</sub>, HDO, H<sub>2</sub>O, and N<sub>2</sub>O with improved lower tropospheric vertical resolution from Aura TES radiances

... comes zero and all data points increase the information content. Our approach then is to use effectively the entire spectral range shown in Fig. 2 to jointly estimate HDO, H 2 O, N 2 O, and methane. ... See full document

43

Technical Note: Feasibility of CO&lt;sub&gt;2&lt;/sub&gt; profile retrieval from limb viewing solar occultation made by the ACE-FTS instrument

Technical Note: Feasibility of CO<sub>2</sub> profile retrieval from limb viewing solar occultation made by the ACE-FTS instrument

... edge of the temperature, here from ACE ...height retrieval error statistics: the standard deviation error (solid bars) is less than 20 m with almost no ... See full document

52

Latitude-time variations of atmospheric column-average dry air mole fractions of CO&lt;sub&gt;2&lt;/sub&gt;, CH&lt;sub&gt;4&lt;/sub&gt; and N&lt;sub&gt;2&lt;/sub&gt;O

Latitude-time variations of atmospheric column-average dry air mole fractions of CO<sub>2</sub>, CH<sub>4</sub> and N<sub>2</sub>O

... regions of temperate North America in the 64-region inverse model do not provide sufficient degrees of freedom for capturing these ecological differences between ...CO 2 distributions at ... See full document

26

Carbon source/sink information provided by column CO&lt;sub&gt;2&lt;/sub&gt; measurements from the Orbiting Carbon Observatory

Carbon source/sink information provided by column CO<sub>2</sub> measurements from the Orbiting Carbon Observatory

... true measurements and the random error sources assumed in the assimilation are given here for the various ...plots of the various added or assumed errors (e.g., “5b”). N=nadir, ...value of the ... See full document

62

Limb–nadir matching using non-coincident NO&lt;sub&gt;2&lt;/sub&gt; observations: proof of
concept and the OMI-minus-OSIRIS prototype product

Limb–nadir matching using non-coincident NO<sub>2</sub> observations: proof of concept and the OMI-minus-OSIRIS prototype product

... matching of the OSIRIS and OMI stratospheres is very good given the rudimentary nature of the OMI SCD-bias cor- ...differs from the technique of Hilboll et ...MACHY limb and ... See full document

20

The influence of synoptic weather regimes on UK air quality: regional model studies of tropospheric column NO&lt;sub&gt;2&lt;/sub&gt;

The influence of synoptic weather regimes on UK air quality: regional model studies of tropospheric column NO<sub>2</sub>

... spread of the significant anomalies for each seasonal synop- tic ...R 2 values show the spatial agreement between the AQUM and OMI anomaly fields, while the cluster and FGE analyses focus on the sig- ... See full document

15

Quantitative bias estimates for tropospheric NO&lt;sub&gt;2&lt;/sub&gt; columns retrieved from SCIAMACHY, OMI, and GOME-2 using a common standard for East Asia

Quantitative bias estimates for tropospheric NO<sub>2</sub> columns retrieved from SCIAMACHY, OMI, and GOME-2 using a common standard for East Asia

... set of collocated ground-based Multi-Axis Differential Optical Absorption Spectroscopy (MAX-DOAS) observations at several sites in Japan and China from 2006–2011 is ...tions of various spatial ... See full document

9

First quantitative bias estimates for tropospheric NO&lt;sub&gt;2&lt;/sub&gt; columns retrieved from SCIAMACHY, OMI, and GOME-2 using a common standard

First quantitative bias estimates for tropospheric NO<sub>2</sub> columns retrieved from SCIAMACHY, OMI, and GOME-2 using a common standard

... NO 2 data has been reported for various locations over the world (Boersma et ...by SCIAMACHY and OMI has been val- idated only over the Middle East, a region with highly active photochemistry (Boersma et ... See full document

19

OMI NO&lt;sub&gt;2&lt;/sub&gt; column densities over North American urban cities: the effect of satellite footprint resolution

OMI NO<sub>2</sub> column densities over North American urban cities: the effect of satellite footprint resolution

... tailed information, but they represent only a small part of all the data. If we also use coarser-resolution data, they provide more coverage but tend to be biased over areas with spatial gradient, as discussed in ... See full document

29

Global distributions of C&lt;sub&gt;2&lt;/sub&gt;H&lt;sub&gt;6&lt;/sub&gt;, C&lt;sub&gt;2&lt;/sub&gt;H&lt;sub&gt;2&lt;/sub&gt;, HCN, and PAN retrieved from MIPAS reduced spectral resolution measurements

Global distributions of C<sub>2</sub>H<sub>6</sub>, C<sub>2</sub>H<sub>2</sub>, HCN, and PAN retrieved from MIPAS reduced spectral resolution measurements

... M.: Retrieval of temperature and tangent altitude pointing from limb emission spectra recorded from space by the Michelson Interferometer for ... See full document

36

Airborne multi-axis DOAS measurements of tropospheric SO&lt;sub&gt;2&lt;/sub&gt; plumes in the Po-valley, Italy

Airborne multi-axis DOAS measurements of tropospheric SO<sub>2</sub> plumes in the Po-valley, Italy

... measurement of sulfur dioxide at the 3 km level over central Europe (Sonnblick, observatory, Austria) and statistical trajec- tory source analysis, ...port of sulfur dioxide over the Yellow Sea during ... See full document

10

Long-term changes of tropospheric NO&lt;sub&gt;2&lt;/sub&gt; over megacities derived from multiple satellite instruments

Long-term changes of tropospheric NO<sub>2</sub> over megacities derived from multiple satellite instruments

... values of VCD trop NO 2 for the four cities Mumbai, Seoul, Mexico City, and Rome 3 ...differences of up to a factor of two, most of the corrected GOME data agree with SCIAMACHY ... See full document

62

Tropospheric photooxidation of CF&lt;sub&gt;3&lt;/sub&gt;CH&lt;sub&gt;2&lt;/sub&gt;CHO and CF&lt;sub&gt;3&lt;/sub&gt;(CH&lt;sub&gt;2&lt;/sub&gt;)&lt;sub&gt;2&lt;/sub&gt;CHO initiated by Cl atoms and OH radicals

Tropospheric photooxidation of CF<sub>3</sub>CH<sub>2</sub>CHO and CF<sub>3</sub>(CH<sub>2</sub>)<sub>2</sub>CHO initiated by Cl atoms and OH radicals

... Kinetic measurements on the set of reactions 1 and 2 have been performed by UV laser pulsed photolysis techniques described earlier (Albaladejo et ...description of the PLP/RF experimental ... See full document

12

Long-term changes of tropospheric NO&lt;sub&gt;2&lt;/sub&gt; over megacities derived from multiple satellite instruments

Long-term changes of tropospheric NO<sub>2</sub> over megacities derived from multiple satellite instruments

... initiative of the Helmholtz Association of German research centres (HGF) at the Alfred Wegener Institute for Polar and Marine ...Parts of this work were funded by the State of Bremen and the ... See full document

25

Inverse modeling of CO&lt;sub&gt;2&lt;/sub&gt; sources and sinks using satellite observations of CO&lt;sub&gt;2&lt;/sub&gt; from TES and surface flask measurements

Inverse modeling of CO<sub>2</sub> sources and sinks using satellite observations of CO<sub>2</sub> from TES and surface flask measurements

... Ciattaglia, L., Apadula, F., Heltai, D., Meinhardt, F., di Sarra, A. G., Piacentino, S., Sferlazzo, D., Aalto, T., Hatakka, J., Str ¨om, J., Haszpra, L., Meijer, H. A. J., van der Laan, S., Neubert, R. E. M., Jordan, A., ... See full document

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