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Fig. 6. Latitudinal and longitudinal maps of potential vorticity isocontours (1 PVU = 10 -6 K m 2 s -1 kg -1 ) calculated by the MIMOSA model on 22 June 2005 at 16:00 UT for (a) the 570 K isentropic surface (~ 23.5 km) and (b) the 753 K isentropic surface (~28.6 km). The white crosses and triangles denote the SPIRALE and MLS measurement locations, respectively. 139
Table 1a. HCl mixing ratios derived from SPIRALE and MLS measurements in June 2005. Pressure (hPa) N # of selected points a Mean HCl (ppbv) MLS SPIRALE Precision b (ppbv) Approximate altitude (km) HCl (ppbv) Overall uncertainty c (ppbv) 100.00 3 0.00 0.23 16.5 0.030 0.030 374 68.13 3 0.10 0.18 18.9 0.092 0.044 434 46.42 3 0.35 0.16 21.3 0.362 0.049 501 31.62 3 0.65 0.15 23.5 0.66 0.04 570 21.54 6 0.90 0.17 26.1 0.91 0.05 668 14.68 3 1.17 0.21 28.6 1.19 0.07 753 10.00 5 2.07 0.25 31.3 1.86 0.11 878 Theta a Selections based on comparisons of the dynamical situation between SPIRALE and MLS, as illustrated on Fig. 6. See the text (Sect. 3.3) for details. b Averaged values based on random errors only, affecting the selected single measurements. Estimated systematic errors are generally equal to the estimated random ones in the given altitude range and are provided by Froidevaux et al. (2008). c Taking into account the random and systematic errors, and combining them as the square root of their quadratic sum. Table 1b. HCl mixing ratios derived from SPIRALE and MLS measurements in June 2008. Pressure hPa N# of selected points Mean HCl (ppbv) MLS SPIRALE Precision a (ppbv) Approximate altitude (km) HCl (ppbv) Overall uncertainty b (ppbv) 100.00 16.6 0.020 0.020 369 68.13 3 0.32 0.18 18.8 0.180 0.090 430 46.42 3 0.40 0.16 21.2 0.430 0.065 502 31.62 6 0.60 0.15 23.6 0.72 0.04 597 21.54 5 0.97 0.17 26.1 0.92 0.05 656 14.68 3 1.21 0.22 28.6 1.27 0.07 760 (K) Theta (K) 10.00 2 1.84 0.24 31.2 1.68 0.10 850 140
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UNIVERSITÉ D’ORLÉANS ÉCOLE DOC
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Il y a une personne qui n’a pas e
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CHAPITRE 3 SIMULATION ET INVERSION
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prépondérant. Cependant, les mesu
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CHAPITRE 1 CONTEXTE SCIENTIFIQUE A)
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Figure 1-1 - Profil vertical de tem
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∂θ est le terme de stabilité st
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A.2.2 Circulation stratosphérique
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adiatif de cette couche et agissent
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et 3.5 PVU (Hoerling et al., 1991),
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Il est utile de mentionner que les
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trillion in volume » : pptv). Tout
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Les principales sources de chlore s
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CCl4 ou le méthyl chloroforme CH3C
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Figure 1-7 - Distributions latitudi
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Parallèlement aux mesures satellit
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cette estimation. Ainsi, ces désac
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HO2 + ClO → HOCl + O2 (1.25) HOCl
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CHAPITRE 2 MESURES DE COMPOSES ATMO
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de 0.8 μm à 2.5 μm environ, l’
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- Elargissement naturel: Il trouve
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g ( % ν ) = g ( % ν ) ⊗ g ( %
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2.2. Description de l’instrument
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diode est refroidi à l’azote liq
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d’échelle de nombre d’onde) a
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Pour étalonner de manière absolue
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en particulier de la fonction d’a
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Figure 2-10 - Procédure d’ajuste
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CHAPITRE 3 SIMULATION ET INVERSION
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d’absorption attendus pour chaque
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Figure 3-3 - Profil vertical de rap
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Figure 3-5 - Raies d’absorption d
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du choix. Notons que La raie à 283
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mesure correcte de formaldéhyde re
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3.2.4 Etalonnage des raies d’abso
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Nous trouvons donc un bon accord en
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Le premier vol de SPIRALE en régio
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On constate que des valeurs de temp
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Figure 3-14 - Profils verticaux de
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du second vol tropical de SPIRALE,
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Dans ce chapitre, nous abordons l
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Figure 4-3- Ajustement de la raie d
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Altitude (m) p 33000 31000 29000 27
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Figure 4-7 - Rétro-trajectoires de
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4.2.2. Mesures de HCl dans la basse
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Altitude (m) p 33000 31000 29000 27
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Page 108 and 109: Références bibliographiques Appen
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Page 116 and 117: 1 Introduction Active chlorine spec
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