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ORCA05 results

Par Webmaster Legos Dernière modification 27/03/2012 14:56

ORCA05 results on the south west Pacific: Work in progress

 

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Travail sur le glider

Figures pour le papier:
Fig.1: from Billy
Fig 2:  trajectory.gif

Fig. 3: diagrTS.gif
Fig.4:  HDvalid.gif

Fig 5: Cumulated transport.gif
Fig 6: GeostrophicCurrent.gif
Fig 7: a) T_gliderSecalis.gif b)  S_GliderSecalis.gif
Fig 8:     LSadcp.gif

1. figures equivalentes a celles de Billy (vitesse)
Fig.2:    Cumulative Transport.gif (glider: blue; CARS:green; Secalis3:red; Thick line: Absolute transport from the glider, Geostrophic 0-600 transport relative to 2000 m; Thin line: geostrophic transport relative to 600 m, dash line: 0-2000 m geostrophic transport)
Fig.3:    geostrophic Velocity.gif
Fig.3:   Velocity at 600m.gif
Fig. 3:  Absolute Geostrophic velocity.gif

2. figures relatives a la temperature et la salinite
Fig.4:  Temperature.gif ;   Salinity.gif
Temperature-density.gif ;    Salinity-density.gif
diagrammeTS.gif

3. trajectoire ARGO, Fig.1:  argo-glider-secalis3 trajectoire.gif

4. Secalis 3
4.1 CTD
Fig.4:         a) Temperature  :  T0-2000.gif T0-600.gif
b) Salinité           :  S0-2000.gif S0-600.gif
Fig.3:          c) U geostrophic :  U0-2000.gif U0-600.gif
4.2 LADCP
Fig.5:          Uladcp.gif Vladcp.gif
Vectors.gif
VU_stations.gif (Vitesse > 10 cm/s; Thick line:U; Thin line: V)
4.3 SADCP
Usadcp.gif Vsadcp.gif

5. Validation TS glider

5.1 TS diagram : TSval_sta12.gif TSval_sta14.gif TSval_sta16.gif

Comparaison au point de croisement entre le glider et Secalis. On compare avec CARS
TS-Validation.gif
Profondeur, temperature et salinite sur l'iso_densite 26.7:
depth.gif temperature.gif salinity.gif
Test sur les calculs de transport:
TR_sh1.gif TRshf2.gif TRshf4.gif TRshf10.gif

6. tentative d'ecriture
version000.doc

Travail sur la bathy en mer des Salomons
test spinup_year10
eze


Hypothése pour la variabilité saisonnière des WBCs et de la bifurcation:
- les différentes relations déja mise en évidence: wbc_bif_sec.gif
- Relation entre les anomalies de gradient de pression cross shore et les anomalies de vitesse along shore:
- Anomalies du gradient de SSH:   grad_ssh_ano.gif - Anomalies de vitesse along shore:  wbc_ano



GRL Paper: Some plots showing:
- Geostrophic calculation from ORCA showing
meridional section of transport:Transport Geo_35S-5S.gif meridional section of zonal velocity: U-rho Geo_35S-5S.gif

- A surface signatureof the jets: in Levitus: Ugsurf_LEV.gif In GRACE+altimetry: Ugsurf_GRA.gif - ORCA and some jets : zonaltransport_XY.gif
meridional section of transport:Transport_35S-5S.gif meridional section of zonal velocity: U-rho_35S-5S.gif



11/2005: Outline4_LG.doc

Outline2_LG.doc
OutlineLG.doc;


NGCC-NQC-SEC

 

 

List of questions from Billy

Presentation Mandala aout 2005

Presentation du 5 avril 2005

 

 

 

Climatologic run

Les comparaisons avec les papiers de Webb(2000) et Qu and Lindstom(2002) sont discutés dans le rapport

Comparison with Ridgway and Dunn (2003):

  1. figure 8a Figure 8b
  2. figure 9
  3. figure 10a Figure 10b

Bifurcation along the Australian coast

    The latitude of the bifurcation varies with depth from 14.5°S at the surface to 19.5°S at 1000 m depth, not linearly
  1. function of latitude 15S-17S 18S-20S 21S-23S
  2. 25m depth 95m depth 182m depth 272m depth 364m depth 732m depth 1033m depth 1406m dept

 

Suivi de particules lagrangiennes avec ARIANE

- On considere un champ de vitesse stationnaire. Chaque expérience est faite en initialisant les particules à la meme profondeur

    1. On échantillone les particules dans le SEC:     particules_forw_jets
    2. trajectoire back 163e: back_163e
    3. On échantillone les particules dans l'EAC:      EAC_back
    4. On echantillone les particules dans le NQC:   NQC_back
    5. Section New Guinea- Salomon:  NGCC_ Backward NGCC_Forw
    6. Bifurcation tracee à 162.5E sur salinité (bif-S_163e.gif)  et sur vitesse zonale (bif-U_163e.gif )
    7. Bifurcation tracee à 173E sur salinité (bif-S_173e.gif)  et sur vitesse zonale (bif-U_173e.gif )
    8. Bifurcation tracee à 173W sur salinité (bif-S_173w.gif)  et sur vitesse zonale (bif-U_173w.gif )
    9. Profondeur et densité des particules initialisées à 175W: forw175w-zdp-rho

    interannual run for the 1992-2002 period

    Along the New Zeland-Japan XBT line:
    1. Mean zonal velocity
    2. interannual anomalies of transport
      1. comparison between different reference levels
      2. Comparison with the Caledonie/Salomon track
    Transports between the islands:
    1. For every letter a transport calculation was done
    2. time series for the different transports
      1. Total transport
      2. interannual anomalies
    3. Comparison between the zonal transport trough the XBT line and the transport trough C,D,E
      1. transport from the surface to bottom between 20s and 10s
      2. interannual anomalies
    4. relation between the inflow and the outflow
      1. the inflow variablity from D is related to the outflow from A
      2. the inflow variablity from C is related to the outflow from B
    Some SSH plots
    1. MEAN
    2. RMS
    3. RMS south west pacific
    4. Interannual RMS SSH anomalies along 20S-23S
    Bifurcation along the Australian coast
      To illustrate the variability, we look at a section at 17°S between 146°E and 150°E (between the coast and a sea mount):   meridional velocity
    1. seasonal variability
        182 m depth   1992 june 1992 december
        732 m depth   1992 june 1992 december
    2. interannual variability
        182 m depth   1997 1999
        732 m depth   1997 1999
    Discussion: RAPPORT2
    1. Time series of transport for the SEC (19s-13s, black, half value), the JNC (19s-17s, blue) and the JNV (15s-13s, red)   SEC transports
    2. Time series of latitude bifurcation anomaly (black: depth averaged, blue: at 800 m, red: at 300m)   Bifurcation anomaly
    3. Relation between the SEC transport (blue)and the bifurcation (red, reversed))   jet/bif
    4. Time series of the NQC at 14s (red) and the EAC at 26s (blue)   EAC/NQC
    5. Relation between the EAC (red) and the bifurcation at 800m (green, reversed)    EAC/Bifurcation at 800m
    6. Relation between the NQC (red)and the bifurcation at 150m (green, reversed)   NQC/bifurcation at 250m
    7. SSH signature of the NQC   NQC-ssh
    8. SSH signature of the EAC   EAC-ssh

    Some results from GRACE and altimetry

    1. MSSH
    2. Zonal geostrophic current:  Mean RMS
    3. To compare with CARS results at the surface

    4. For ease of navigating, place links to other pages at the bottom of every page. A "horizontal rule" ("hr") makes a good separator.
    5. Billy's PSW page

      Link back to my main page

      Link to another page

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