Solomon Sea gliders ... later work (Nov 2014-)

Later work, writing the second transport paper

Related pages:

  1. Some tests and checks
    1. Overlapping glider missions:  Overlaps     Example Aviso comparison
    2. Glider DH sorted by yearday, colored by phi
    3. Gridding/sampling on phi tests:
      Glider DH:  DH     Demeaned DH
      Aviso SLA:  SLA    Demeaned SLA    SLA Bandpass
    4. Section count by month
    5. More checks (endpoint selection and etc):
      1. Check J-index endpoints (v13): Check seasonal fit     Seasonal and interannual     5-month running mean
      2. Check monthly interpolation
    6. Flight model and D vs K endpoint choices testing:
      1. Mission by mission:  D, K, variable CUM     D vs K only
      2. Fit annual cycle:  D, K, variable CUM
      3. Interannual anomalies:  D, K, variable CUM
    7. Initial checks of Russ's new matlab files (links to TS, and velocity and transport comparisons
    8. Frequency response diagrams:  151-day triangle     209-day triangle     Bandpass

  2. Glider transport and ENSO indices
    1. pdfs made for Honiara:
      Individual values only    Connected values (2)    5-month triangle (3)    Overlay annual cycle (4)    Yellow-fill anomalies (5)    Add interannual (6)
    2. Interannual transport and SOI shading (pdf)    Glider transport and SOI
    3. Interannual transport and Nino3.4 shading     (pdf)
    4. Combined (screenshot of Workplan figure)
    5. Nino indices 2007-14

  3. (track,z or sigma) sections for Southern and Northern tracks:
    1. Track selection maps:  Map     Show average tracklines
    2. Crosstrack and salt on z     On sigma     Add T on sigma

  4. Checking the endpoint choices RD files)
    1. Cumulative transport with endpoints marked
    2. Details near the Sudest/Rossel endpoint (Vectors showing dive numbers and depths)

  5. Revised 0-700m transport data checking: RD corrected vs BK realtime values.
    Use RD values through 135043, then BK values through 146018 (last is 4 Sep 2014).
    Adjustments: Omit 2nd sections of 111027 and 11A001, adjust Rossel endpoint of 1st section of 113018. (Notes)
    1. Mission by mission    (Overlay 5-month triangle)
    2. Annual cycle
    3. Interannual
    4. Residual
    5. Later checks: Transport time series extended through 149043 (Dec 2014)
      These made with RD corrected files through 135043 (Aug 2013), then BK realtime files through 149043 (Dec 2014)
      1. Mission-by-mission values
      2. 5-month triangle filter     Overlay difference

  6. Layer transports (using RD corrected through 135043, then BK realtime transports through 149043)
    1. 7 1-sigma layers, 5-month triangle
    2. Layers grouped above and below sigma 25:
      1. 5-month triangle
      2. Annual cycle
      3. Interannual     Overlay TDIR

  7. Work with latest (sixcharmi) files
    Note that the inputs and choices changed a few times. Early plots may be ... wrong?
    1. Seasonal distribution of samples     Dive locations over phi contours
    2. Various versions of mean/annual cycle vectors on 2 tracks:
      1. 6 bimonths:  v1     Phi by 0.05     Phi by 0.1
      2. 4 seasons:  JFM ...     FMA ...     MAM ...
    3. Various (early) uphi explorations: 
      1. Two tracks averaged on phi:  Crosstrack vg     uphi on z     uphi on sigma
      2. 12 months of uphi (very early)
    4. Compare sixcharmi with older realtime data: Mission values     Annual cycle     Interannual (old)
    5. Interannual:
      1. Mission values, 3-month RM, annual, interannual
      2. Interannual transport and Nino3.4 (2014)
      3. Early comparison: transport, Aviso, Nino3.4
      4. (Try to) split tracks: values, annual, interannual     Overlay combined tracks
    6. Transport in density layers (old merged data): 
      1. 7 layers    
      2. Above/below sigma 25:  5-month triangle     Annual cycle     Interannual     Overlay TDIR
    7. Various gridding Uphi(phi,z) on 2 tracks:  Dphi=0.1   Dphi=0.05   Separately-gridded tracks

  8. Add realtime missions 149043 (4), 151001 (4), 153042 (2) (Superseded, see "Work Jan-Feb 2016" below):
    1. Mission values, overlaid 3-month triangle
    2. Annual cycle and mean     (Compare sixcharmi through 146018)
    3. Annual-interannual with fill_between
    4. Overlay Nino3.4

  9. Looking for fronts
    1. See earlier work in the "squirts" section on the main SS glider page,
      especially "Later exploration of squirts connected to SST fronts"
    2. Histograms of SST/SSS gradients found in glider data, sorted various ways:
      1. All (unsorted):   SST     SSS
      2. SST histograms sorted by:   Time of year     SST value     Cross-Sea coord. phi
      3. High SST gradient details for histogram on phi: 
        1. To 0.2°/km     Log plot
        2. To 0.4°C/km:  Counts     Log of sample fractions
        3. High-gradient sample locations:  Dots for >0.2°C/km     Color by mission number     Color by magnitude
      4. Accumulation of high SST gradient in phi-bands (all gradients > 0.1 °C/km)
    3. 104 largest SST gradients, in phi bands:
      Phi=0 to 0.05 (38%)    Phi=0.05 to 0.2 (9%)    Phi=0.2 to 0.8 (45%)    Phi=0.95 to 1 (9%)     (None between phi=0.8 to 0.95)
      Combined in gradient size order
    4. Vertical-section and velocity plots to complement the above: 
      GHR SST, and show on the upper 200m (older version)     (new one from sixcharmi files)
    5. GHR SST year by year, with glider sampling overlaid
          (GHRSST and ASCAT winds annual cycle)     (GHRSST gradient annual cycle)
    6. Surface TS diagrams:
      Color by phi:   All     Detail (omit v low S)
      Color by month:   All     Detail (omit v low S)

  10. Isotherm depth annual cycle on the southern track:
    1. Measured depths:  Z26-Z16     Z16-Z6
    2. Depth anomalies:  Z26-Z16     Z16-Z6
    3. Annual cycle Z20 and Ekman inference

  11. Work since Sep 2015
    1. Transport time series to 158053:  Mission-by-mission and 5-month triangle     Obs and annual cycle overlay     Annual cycle (pdf)
    2. Interannual and Nino3.4     Transport above sigma 24.5 (pdf)
    3. Isopycnal depth (all mission overlays):  22.0   22.5   23.0   23.5   24.0   24.5   25.0   25.5   26.0   26.5   27.0   27.2  
    4. Layer transports above isopycnals:  sigma 24   23.0   23.5   24.0   24.5   25.0   25.5   26.0   26.5   27.0  
      Show correlations with various lags (above sigma 24):  0 months   1 month   2 months   3 month  
    5. Lag correlations of sigma layer transport with Nino3.4
    6. Layer transports overlaid (unfiltered)
    7. Experiments separating the two transect directions
      1. Transect length (days) colored by direction
      2. Mission-by-mission transport. Dots colored by direction     Overlay smooth curve (trantmon)
      3. Transport differences from the full 5-month triangle:  All, dot-color by direction     Separate lines for each direction
      4. Transport comparisons:  M-by-M and 5-moth triangle     Interannual anomalies
      5. Annual cycle:  Annual cycles from filled time series
        But wait:   Westbound check     Eastbound check     Get the wrong answer from the filled data!!!
    8. Mean uphi and salinity y-anomalies:   S contours over uphi     The other way around

  12. Work with the OFES model
    1. Bottom topography:   Solomon Sea     Solomon Islands     Louisiades     Milne Bay     New Caledonia
    2. Mean vertically-integrated transport vectors:  Solomon Sea
      Solomon Island region:   top-to-bottom     0-1000m     0-300m
    3. Compare Sol Sea transport to Pacific to its east at 7°S-9°S: 
      1. (x,z) mean sections:  Full-depth     0-1200m     Solomon Sea
      2. Mean x-integral:  Full depth     Above 1000m
      3. Time series     Annual cycle     Interannual
    4. Define a WBC east of the Solomon chain: 
      1. Mean zint(v)     To 1000m
      2. Mean v(y,z)     To 1000m
      3. Seasonal cycle of v(y,z)
    5. Indonesian Throughflow:  Mean indefinite x-integral at several latitudes     Interannual transport anomalies

  13. Work Jan-Feb 2016 (Ocean Sciences prep)
    1. Sampling distribution plots to 153042 (phi vs t distributions, colored by various things)
      1. Annual:  Year     SST     Qzav
      2. Full dates:
        Z20:  2007-15     2012-2015 detail
        QZAV:  2007-15     2012-2015 detail
    2. Transport sequence to 15C006:  Mission by mission     Annual cycle     Interannual
    3. Transport to 15C006 vs Nino3.4
    4. Layer transport calculations:
      1. Thickness test plots:  Monthly     Interannual
      2. Layer transport test plots:  Monthly     Interannual
      3. (t,sigma) contours of transport in layers (interannual)
      4. Transport summed downwards by layer (all on one page)
    5. Aviso Solomon Sea zonal-mean vg:  All     Colored by latitude     Overlay glider

    Work restarted Jan 2017

  14. Sol Sea interannual transport and Nino3.4 (through Dec 2016)

  15. Isotherm depths:
    1. Mean isotherms and isopycnals (phi,z)     Mean isotherm depths (phi,z)
    2. Isotherm depth stats (phi,T):   Amp/phase of annual harmonic     RMS of annual and interannual isotherm depths
    3. Z-isotherm collection, annual and interannual

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