ICRCCM test

概要

  • The Intercomparison of Radiation Codes Used in Climate Moldels (ICRCCM) による放射モデルの検証

model

  • optical data: HITRAN2008, MT_CKD model
  • radiative transfer: Toon et al., 1989, No scattering
  • wavenumber range: 0.01 - 3000.00 [cm-1]
  • wavenumber resolution: 0.01 [cm-1]

imput data

ICRCCM Long-Wave Clear-Sky Cases

  • C09x: CO2 only 300ppmv, mid-latitude summer
  • C10x: CO2 only 600ppmv, mid-latitude summer
  • C19x: H2O only, 1.00 * H2O concentration with continuum, mid-latitude summer
  • C20x: H2O only, 1.00 * H2O concentration without continuum, mid-latitude summer
  • C23c: O3 only, mid-latitude summer (9.6 and 14μm band)
  • C25x: CO2 300ppmv, H2O, O3, tropical
  • C27x: CO2 300ppmv, H2O, O3, mid-latitude summer
  • C28x: CO2 600ppmv, H2O, O3, mid-latitude summer
  • C29x: CO2 300ppmv, H2O, O3, mid-latitude winter
  • C31x: CO2 300ppmv, H2O, O3, subarctic summer
  • C33x: CO2 300ppmv, H2O, O3, subarctic winter
  • C35x: CO2 300ppmv, H2O without continuum, O3, mid-latitude summer
  • C37a: CH4 1.75ppmv, mid-latitude summer
  • C37b: N2O 0.28ppmv, mid-latitude summer
  • C37g: CH4 1.75ppmv, N2O 0.28ppmv, mid-latitude summer
  • C52x: CO2 300ppmv, 0.75 * H2O concentration with continuum, O3, mid-latitude summer
  • C53x: CO2 300ppmv, 0.75 * H2O concentration without continuum, O3, mid-latitude summer
  • C54x: CO2 300ppmv, 1.25 * H2O concentration with continuum, O3, mid-latitude summer
  • C55x: CO2 300ppmv, 1.25 * H2O concentration without continuum, O3, mid-latitude summer

results

comparison of flux profile with LBLRTM

参考文献

  • Ellingson et al., 1991
  • Mlawer et al., 2012, Philosophical Transactions of the Royal Society A, vol.370, 2520--2556: Development and recent evaluation of the MT_CKD model of continuum absorption.

謝辞

本計算では, MT_CKD continuum model (Mlawer et al., 2012) を用いて連続吸収を計算しています.