Dec06 Nominal Mode Chiara Piccolo University of Oxford

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Presentation transcript:

Dec06 Nominal Mode Chiara Piccolo University of Oxford

26-29 Dec 2006: mixed NOM and AE mode data

Temperature: - Very different from IG - Stripes at S.Pole

H2O: - Stripes: EQU & S.Pole - High values S.Pole above0.1 mb (possible a-priori influence)

HNO3: N. Pole enhancement

NO2: N. Pole mesospheric descent

O3: - Equatorial double peak - N. Pole stratospheric depletion

CH4: Equatorial oscillation

N2O: Equatorial oscillation

Summary of Dec06 Nominal Mode Temperature: very different from IG H2O: Stripes at EQU & S.Pole and High values S.Pole above 0.1 mb HNO3: N. Pole enhancement NO2: N. Pole mesospheric descent O3: Equatorial double peak and hint of N. Pole mesospheric enhancement CH4 and N2O: Equatorial oscillation

Dec06 Middle Atmosphere Mode Chiara Piccolo University of Oxford

20-21 Dec 2006: MA mode data

Applying nominal microwindows to MA mode data Retrievals using specialised MA mode microwindows

Temperature: higher values at the poles when using NOM microwindows NOM MWs MA MWs

H2O: Stripes at EQU & S.Pole regions High values S.Pole above 0.1 mb when using NOM mws (a-priori influence), but not when using MA mws Forward and reverse pattern when using MA microwindows NOM MWs MA MWs

HNO3: higher values when using NOM microwindows NOM MWs MA MWs

NO2: higher values when using NOM microwindows in stratosphere (NGT) and more descending in N.Pole region when using MA microwindows NOM MWs MA MWs

O3: no double peak anymore, depletion in stratospheric N.Pole region NOM MWs MA MWs

CH4: Equatorial oscillation still present when using NOM microwindows, not when using MA microwindows NOM MWs MA MWs

N2O: Equatorial oscillation (on zonal means) not present Equatorial oscillation present when using NOM microwindow NOM MWs MA MWs

Summary of Dec06 MA Mode Temperature: higher values at the poles when using NOM microwindows H2O: High values S.Pole above 0.1 mb when using NOM microwindows, Forward and reverse pattern when using MA microwindows HNO3 & NO2: higher values when using NOM microwindows O3: no double peak anymore, depletion in stratospheric N.Pole region CH4 & N2O: Equatorial oscillation still present when using NOM microwindows, not when using MA microwindows

H2O microwindows: NOM H2O_0331 1223.750 1226.250 7.5 18.0 MA H2O_0401 1650.750 1653.750 18.0 90.0 H2O_0402 1573.188 1576.188 18.0 87.0 H2O_0403 1622.500 1625.500 18.0 0.0 H2O_0404 1576.250 1579.250 18.0 63.0 H2O_0405 1455.375 1458.375 18.0 87.0