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

• profile 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

• C09x, C10x, C19x, C20x, C23c
• C25x, C27x, C28x, C29x, C31x, 33x
• C35x, C37a, C37b, C37g
• C52x, C53x, C54x, C55x

comparison of flux profile with LBLRTM

• C09x
• C19x
• C20x
• C23c
• C27x
• C35x

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.