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[PDF] Top 20 XCO<sub>2</sub>-measurements with a tabletop FTS using solar absorption spectroscopy

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XCO&lt;sub&gt;2&lt;/sub&gt;-measurements with a tabletop FTS using solar absorption spectroscopy

XCO<sub>2</sub>-measurements with a tabletop FTS using solar absorption spectroscopy

... Messerschmidt, J., Geibel, M. C., Blumenstock, T., Chen, H., Deutscher, N. M., Engel, A., Feist, D. G., Gerbig, C., Gisi, M., Hase, F., Katrynski, K., Kolle, O., Lavriˇc, J. V., Notholt, J., Palm, M., Ramonet, M., ... See full document

34

Validation of SCIAMACHY limb NO&lt;sub&gt;2&lt;/sub&gt; profiles using solar occultation measurements

Validation of SCIAMACHY limb NO<sub>2</sub> profiles using solar occultation measurements

... Imaging Absorption spectroMeter for Atmospheric CHar- tographY), a passive imaging spectrometer (Burrows et ...ACE- FTS (Atmospheric Chemistry Experiment-Fourier Trans- form Spectrometer, Walker et ...from ... See full document

26

The CU mobile Solar Occultation Flux instrument: structure functions and emission rates of NH&lt;sub&gt;3&lt;/sub&gt;, NO&lt;sub&gt;2&lt;/sub&gt; and C&lt;sub&gt;2&lt;/sub&gt;H&lt;sub&gt;6&lt;/sub&gt;

The CU mobile Solar Occultation Flux instrument: structure functions and emission rates of NH<sub>3</sub>, NO<sub>2</sub> and C<sub>2</sub>H<sub>6</sub>

... For measurements from the mobile laboratory the azimuth and elevation angles change rapidly over the course of an ...the solar tracker was pointed at a globar to observe atmospheric water vapor over a ... See full document

20

Error correlation between CO&lt;sub&gt;2&lt;/sub&gt; and CO as constraint for CO&lt;sub&gt;2&lt;/sub&gt; flux inversions using satellite data

Error correlation between CO<sub>2</sub> and CO as constraint for CO<sub>2</sub> flux inversions using satellite data

... CO (without averaging kernels) simulated by GEOS-Chem for 2006. These can be compared to the error correlations shown in the left panels of Fig. 2. We find the same gen- eral patterns of strong positive ... See full document

11

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

... over both land and ocean. These new satellite data are expected to improve our un- derstanding of carbon cycle processes, especially when used in combination with the already available measurement sets with ... See full document

49

An evaluation of IASI-NH&lt;sub&gt;3&lt;/sub&gt; with ground-based Fourier transform infrared spectroscopy measurements

An evaluation of IASI-NH<sub>3</sub> with ground-based Fourier transform infrared spectroscopy measurements

... The direct comparison of the IASI and FTIR columns is an addition to earlier efforts by Van Damme et al. (2015a) to val- idate IASI column observations with surface in situ and air- borne observations. Our results ... See full document

18

The 2011 Nabro eruption, a SO&lt;sub&gt;2&lt;/sub&gt; plume height analysis using IASI measurements

The 2011 Nabro eruption, a SO<sub>2</sub> plume height analysis using IASI measurements

... retrievals with, even though caution has to be exercised in drawing con- clusion from such data ...analysis using ECMWF data and Flexpart revealed for instance the difficulty in simu- lating transport for ... 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

... Optical Absorption Spec- troscopy (MAX-DOAS) method ...scattered solar ra- diation from the surface – in the UV and/or Visible – at a spectral resolution of typically ...NO 2 , see ... See full document

19

Rate coefficients for the reaction of methylglyoxal (CH&lt;sub&gt;3&lt;/sub&gt;COCHO) with OH and NO&lt;sub&gt;2&lt;/sub&gt; and glyoxal (HCO)&lt;sub&gt;2&lt;/sub&gt; with NO&lt;sub&gt;3&lt;/sub&gt;

Rate coefficients for the reaction of methylglyoxal (CH<sub>3</sub>COCHO) with OH and NO<sub>2</sub> and glyoxal (HCO)<sub>2</sub> with NO<sub>3</sub>

... Fig. 4. Arrhenius plot for k 1 (T ) ( • ) from this work. The solid line is linear least-squares fit that yields k 1 ( T ) = (1.74 ± 0.20) × 10 −12 exp[(590 ± 40)/T ] cm 3 molecule −1 s −1 . The error bars for the data ... See full document

38

Direct N&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;5&lt;/sub&gt; reactivity measurements at a polluted coastal site

Direct N<sub>2</sub>O<sub>5</sub> reactivity measurements at a polluted coastal site

... composition measurements and an aerosol thermodynamics ...the measurements with simi- lar general trends over the time ...the measurements by a factor of ...(N 2 O 5 ) are important, ... See full document

10

Constraining the N&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;5&lt;/sub&gt; UV absorption cross section from spectroscopic trace gas measurements in the tropical mid-stratosphere

Constraining the N<sub>2</sub>O<sub>5</sub> UV absorption cross section from spectroscopic trace gas measurements in the tropical mid-stratosphere

... Acknowledgements. Funding for this study came from the Deutsche Forschungsgemeinschaft (DFG) (grants Pf 384/5-1/2, PF384/9-1/2), Deutsches Zentrum für Luft und Raumfahrt (DLR) (contracts BMWi 50EE0840), the ... See full document

12

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

... propagation of uncertainties in the abundances of interfering species, either vertical profiles resulting from a preceding retrieval of the interferents in a different spectral re- gion are used to model their ... See full document

36

Accurate mobile remote sensing of XCO&lt;sub&gt;2&lt;/sub&gt; and XCH&lt;sub&gt;4&lt;/sub&gt; latitudinal transects from aboard a research vessel

Accurate mobile remote sensing of XCO<sub>2</sub> and XCH<sub>4</sub> latitudinal transects from aboard a research vessel

... the solar image was within the FOV of the fine- tracking camera (VR-magic, model C-9+ PRO BW CMOS, 1288 × 1032 pixel, f = 50 mm), coarse tracking went idle and fine-tracking mode took over and centered the ... See full document

16

Comparisons of continuous atmospheric CH&lt;sub&gt;4&lt;/sub&gt;, CO&lt;sub&gt;2&lt;/sub&gt; and N&lt;sub&gt;2&lt;/sub&gt;O measurements &amp;ndash; results from a travelling instrument campaign at Mace Head

Comparisons of continuous atmospheric CH<sub>4</sub>, CO<sub>2</sub> and N<sub>2</sub>O measurements &ndash; results from a travelling instrument campaign at Mace Head

... alternately with ambient air or other samples, is used for on-site ...on-site with the old working standards and agree well with the values assigned at the SIO on a dif- ferent instrument but ... See full document

16

The development and evaluation of airborne in situ N&lt;sub&gt;2&lt;/sub&gt;O and CH&lt;sub&gt;4&lt;/sub&gt; sampling using a Quantum Cascade Laser Absorption Spectrometer (QCLAS)

The development and evaluation of airborne in situ N<sub>2</sub>O and CH<sub>4</sub> sampling using a Quantum Cascade Laser Absorption Spectrometer (QCLAS)

... data and the measurement of dry calibration air confirms that errors in the water vapour correction cannot be responsible. A leak (ingress) into the system also appears implau- sible, as one would expect this to have the ... See full document

44

Measurements of tropospheric HO&lt;sub&gt;2&lt;/sub&gt; and RO&lt;sub&gt;2&lt;/sub&gt; by oxygen dilution modulation and chemical ionization mass spectrometry

Measurements of tropospheric HO<sub>2</sub> and RO<sub>2</sub> by oxygen dilution modulation and chemical ionization mass spectrometry

... and the cell or by inserting slits of differing widths in the path of the radiation. Both of these properties could be adjusted on the previous calibration cell assembly (shown by Edwards et al., 2003), but only the slit ... See full document

59

Spatiotemporal variations of air pollutants (O&lt;sub&gt;3&lt;/sub&gt;, NO&lt;sub&gt;2&lt;/sub&gt;, SO&lt;sub&gt;2&lt;/sub&gt;, CO, PM&lt;sub&gt;10&lt;/sub&gt;, and VOCs) with land-use types

Spatiotemporal variations of air pollutants (O<sub>3</sub>, NO<sub>2</sub>, SO<sub>2</sub>, CO, PM<sub>10</sub>, and VOCs) with land-use types

... NO 2 (ppb) over South Korea during 2002–2013 under the MEK four land- use types of residence (R), commerce (C), industry (I), and greenbelt ...NO 2 at all 283 stations in South ...NO 2 observations ... See full document

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A two-channel, Thermal Dissociation Cavity-Ringdown Spectrometer for the detection of ambient NO&lt;sub&gt;2&lt;/sub&gt;, RO&lt;sub&gt;2&lt;/sub&gt;NO&lt;sub&gt;2&lt;/sub&gt; and RONO&lt;sub&gt;2&lt;/sub&gt;

A two-channel, Thermal Dissociation Cavity-Ringdown Spectrometer for the detection of ambient NO<sub>2</sub>, RO<sub>2</sub>NO<sub>2</sub> and RONO<sub>2</sub>

... ity of 0.999965 (Advanced Thin Films). The mirrors are mounted in a self-made mirror holder system, the ∼ 70 cm distance between them being rigidly fixed using three hol- low carbon-fibre rods (o.d. 15 mm) per ... See full document

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Absolute absorption cross-section and photolysis rate of I&lt;sub&gt;2&lt;/sub&gt;

Absolute absorption cross-section and photolysis rate of I<sub>2</sub>

... nm, with the values calculated from the data of Tellinghuisen which were measured at ...cm 2 molecule − 1 agrees to within 4% of that of ...as absorption in the con- tinuum region (λ<500 nm) ... See full document

8

CH&lt;sub&gt;4&lt;/sub&gt;, CO, and H&lt;sub&gt;2&lt;/sub&gt;O spectroscopy for the Sentinel-5 Precursor mission: an assessment with the Total Carbon Column Observing Network measurements

CH<sub>4</sub>, CO, and H<sub>2</sub>O spectroscopy for the Sentinel-5 Precursor mission: an assessment with the Total Carbon Column Observing Network measurements

... back-scattered solar radi- ation spectra in the nadir and off-nadir ...km with a ground pixel area of 7 × 7 km 2 (for the sub-satellite point), which im- plies daily global coverage of the ... See full document

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