[PDF] Top 20 Actinometric measurements of NO<sub>2</sub> photolysis frequencies in the atmosphere simulation chamber SAPHIR
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Actinometric measurements of NO<sub>2</sub> photolysis frequencies in the atmosphere simulation chamber SAPHIR
... during the experiments. Al- though this is correct in good approximation, the use of mea- sured, time-dependent temperatures and dilution rates calcu- lated from the flow rates ... See full document
11
Technical Note: Formal blind intercomparison of HO<sub>2</sub> measurements in the atmosphere simulation chamber SAPHIR during the HOxComp campaign
... excitation, the instruments measure the reso- nant OH fluorescence (307–311 nm) by time-delayed gated photon counting (time delay 70 to 160 ns, duration 300 to 500 ...ns). The measured signals also ... See full document
18
Technical Note: Intercomparison of formaldehyde measurements at the atmosphere simulation chamber SAPHIR
... during the entire day 2. This can be simply explained by the fact that hydrazine-to-hydrazone conversion is greatly suppressed at low ...studied in detail for HCHO but tests conducted with ... See full document
32
Technical Note: Intercomparison of formaldehyde measurements at the atmosphere simulation chamber SAPHIR
... Abstract. The atmosphere simulation chamber SAPHIR at the Research Centre J¨ulich was used to test the suitability of state-of-the-art analytical ... See full document
12
Selective measurements of NO, NO<sub>2</sub> and NO<sub>y</sub> in the free troposphere using quantum cascade laser spectroscopy
... Intercomparison of measurements of NO 2 concentrations in the atmo- sphere simulation chamber SAPHIR during the NO3Comp campaign, ... See full document
25
OH regeneration from methacrolein oxidation investigated in the atmosphere simulation chamber SAPHIR
... The chamber experiments aimed to simulate conditions like those found during several field experiments (Lu et ...2013) in which unexpectedly large OH concentrations were measured. At the ... See full document
14
Intercomparison of measurements of NO<sub>2</sub> concentrations in the atmosphere simulation chamber SAPHIR during the NO3Comp campaign
... running in a so-called hot spot mode, which gave this lamp better imaging properties and spectral radiance compared to conventional xenon arc ...elements, the light was coupled into the cavity. ... See full document
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Intercomparison of measurements of NO<sub>2</sub> concentrations in the atmosphere simulation chamber SAPHIR during the NO3Comp campaign
... details of the IBBCEAS setup at the SAPHIR cham- ber is described in Varma et ...(2009). The instrument con- sisted of a transmitter and a receiver unit placed at either ... See full document
17
Parameterization of atmosphere–surface exchange of CO<sub>2</sub> over sea ice
... change in surface ocean pCO 2 , and net sea-air CO 2 flux over the global oceans, Deep Sea ...Studies in Oceanography, 56, 554–577, ...review of the engineering ... See full document
14
Automatic processing of atmospheric CO<sub>2</sub> and CH<sub>4</sub> mole fractions at the ICOS Atmosphere Thematic Centre
... to the strong diurnal cycle observed at this tropical site (typically 50 ...Since the correction ap- plied to the data depends on concentration, the differences between NRT and validated data ... See full document
18
The Economics of Sub-optimal Policies for Traffic Congestion
... prediction, the aggregate results show that the urban toll is welfare superior to the rotation ...at the welfare consequences of these policies reveal other ...- the urban toll ... See full document
27
A two-channel thermal dissociation cavity ring-down spectrometer for the detection of ambient NO<sub>2</sub>, RO<sub>2</sub>NO<sub>2</sub> and RONO<sub>2</sub>
... reviewed in detail (Berden et ...spectroscopy in which the absorption path length is enhanced by a high finesse cav- ity formed by a set of two highly reflective ...into the cavity via ... See full document
24
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 ... See full document
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Model of daytime emissions of electronically-vibrationally excited products of O<sub>3</sub> and O<sub>2</sub> photolysis: application to ozone retrieval
... methods of the measurements of the rate constants of deexcitation processes could be conventionally divided into two groups: measurements for low (200–400 K) and those for ... See full document
17
Direct N<sub>2</sub>O<sub>5</sub> reactivity measurements at a polluted coastal site
... with measurements. The parameterization estimates the reaction probability given the aerosol nitrate, chloride, and liquid water content (Bertram and Thornton, ...2009). The latter were ... See full document
10
Scaling laws for perturbations in the ocean–atmosphere system following large CO<sub>2</sub> emissions
... range of problems for both paleo- and modern-climate ...study the impacts of large transient emissions such as those found during the Paleocene–Eocene Thermal Maxi- mum (PETM), as well as ... See full document
17
Validation of SCIAMACHY tropospheric NO<sub>2</sub>-columns with AMAXDOAS measurements
... used in Bremen for satellite data retrieval are well established and agree ...study, the tropospheric vertical columns are derived in a manner similar to that used for GOME ...at the same ... See full document
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Five years of CO, HCN, C<sub>2</sub>H<sub>6</sub>, C<sub>2</sub>H<sub>2</sub>, CH<sub>3</sub>OH, HCOOH and H<sub>2</sub>CO total columns measured in the Canadian high Arctic
... Rothman, L. S., Gordon, I. E., Barbe, A., Benner, D. C., Bernath, P. F., Birk, M., Boudon, V., Brown, L. R., Campargue, A., Champion, J.-P., Chance, K., Coudert, L. H., Danaj, V., Devi, V. M., Fally, S., Flaud, J.-M., ... See full document
24
Investigating uptake of N<sub>2</sub>O in agricultural soils using a high-precision dynamic chamber method
... not. The results of this study suggest that large negative fluxes reported in the literature may in fact indicate a larger detection limit of an individ- ual methodology than ... See full document
8
The Implication Of Mens Rural-Urban Migration On Household Decision Making In Soy Sub-County Kenya
... participation in public arenas, which worsens when men have moved to urban centers leaving their women in the rural ...roles in the socio-economic development of their ... See full document
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