Dr. Lesley L. Smith, Associate Scientist

Plots

  • Evidence for Asian Monsoon via HIRDLS V.6 data?

  • Daily Cross-sections of HIRDLS V.6 Temperature, Ozone, CFC12 Anomalies for (30-60E) and (60-90E):

  • 2-month mean NH Cross-sections of HIRDLS V.6 for 30-degree longitude bands: here

  • Hovmoller diagrams of HIRDLS V.6 anomalies for different latitude bands.

  • HIRDLS V.6.5 sample vector wind plot for July-Aug 2006: (gif)
    Other dates available upon request.

  • HIRDLS V.6.5 sample EP flux plot: 2006d359 (gif)
    Other days available upon request.

  • HIRDLS V.6.5 sample zonal wind plot @ high N latitudes: winter 2006 (gif)
    Other times, latitudes available upon request.

  • HIRDLS V.6.5 sample meridional wind plot @ high N latitudes: winter 2006 (gif)
    Other times, latitudes available upon request.

  • HIRDLS V.6 monthly mean species in SPARC format:

  • HIRDLS V.6 Temperatures compared with ERA-Interim temperatures:

  • HIRDLS V.6 Temperatures compared with SABER kinetic temperatures:

  • HIRDLS V.6 Temperatures compared with MLS temperatures:

  • Evidence for Solar Proton Events via HIRDLS V.5 NO2? Plots for other days of mission also available.

  • Diffusivities: Kappa plots from HIRDLS V.5 Ozone data.

  • HIRDLS Version 5: GPH

    HIRDLS (Version 4) Temperature

    Test HIRDLS GPH computed via SIPS

    Zonal Wind

    For comparison, 4x-daily ERA-Interim Zonal Wind, averaged over day 2006d212

    preliminary HIRDLS Cloud Top Altitude binned by lat, lon:

    August 2007, between 30-degrees south and 30-degrees north:

    Line plots:
    In all cases, column 1 is mean altitude, column 2 is standard deviation * N, column 3 is N. Contour plots on cylindrical equidistant maps:

    HIRDLS GPH computed via SIPS Preliminary studies, testing the algorithm(s):

    HIRDLS GPH computed (approximate method*) using HIRDLS 30km (descending) or 26km (ascending) starting Altitude, 30N to 60N, for constrained longitudes, i.e. including only -130 < lon < -60, -10 < lon < 60
    HIRDLS GPH computed (approximate method*) using HIRDLS 30km (descending) or 26km (ascending) starting Altitude: (ascending and descending determined via OrbitAscendingFlag)
    integrated HIRDLS-Temp calcs compared with GMAO GPHs for 30N to 60N:
    HIRDLS GPH computed (approximate method*) using HIRDLS approx 30km starting Altitude:
    integrated HIRDLS-Temp calcs compared with GMAO GPHs for 2007d089 for 30N to 60N:

    HIRDLS GPH computed (approximate method*) using HIRDLS approx 30km starting Altitude:
    integrated HIRDLS-Temp calcs and GMAO GPHs compared with HIRDLS All-Altitude calculations for 2007d089 for 30N to 60N: *Approximate method is: GPH = G*Z(1-Z/a), where Z is Altitude, G is gravity term, and a is Earth's semi-major axis. Follows SW-HIR-1506 "Geodetic - Geopotential Height Conversions" by A. Lambert, NCAR November 2000.
    HIRDLS GPH computed (approximate method) using HIRDLS 30km starting Altitude:
    integrated HIRDLS-Temp calcs and integrated GMAO-Temp calcs compared with HIRDLS All-Altitude calculations for 2007d089 for 30N to 60N:
    HIRDLS GPH computed (approximate method) using HIRDLS 100 mb starting Altitude:
    for fourth half-orbit 2007d089, 30N-60N all-altitudes 10mb and 100mb cases compared with integrated HIRDLS-Temperatures and integrated GMAO-Temperatures cases: gif.
    HIRDLS GPH computed (exact method) using HIRDLS 30 km starting Altitude:
    fourth half-orbit 2007d181 GPH @ 30mb ECMWF, NCEP/NCAR, GMAO, HIRDLS png with additional 300m altitude adjustment
    preliminary HIRDLS GPH computed using HIRDLS 20 km starting Altitude:
    old method utilizes 50mb GMAO GPH,
    new approximate method utilizes formula H = G*Z(1-Z/a),
    new exact method utilizes formula H = G*Z(1-omega*Z/a+Z^2/a^2).

    preliminary HIRDLS GPH computed using HIRDLS Altitude:

    for sample day 2006d215:
    old method utilizes 50mb GMAO GPH, new approximate method utilizes formula
    H = G*Z(1-Z/a), new exact method utilizes formula
    H = G*Z(1-omega*Z/a+Z^2/a^2).     for sample day 2007d181:
  • Mean differences of approximate and exact new HIRDLS GPH methods compared with GMAO GPH for 10mb, 50mb, and 100mb, 30N to 60N half-orbits: gif

    		March 30,2007June 30, 2007Sept 30, 2007Dec 30, 2007
    100 mb exact-208.22 m -170.6 m -206.67 m -202.80 m
    100 mb approx-138.2 m -97.83 m -135.24 m -133.76 m
    50 mb exact-216.32 m -182.57 m -207.56 m -209.72 m
    50 mb approx-146.33 m -109.8 m -136.17 m -140.81 m
    10 mb exact-221.0 m -206.95 m -210.17 m -219.63 m
    10 mb approx-151.0 m -134.18 m -138.79 m -150.74 m

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