Simulating and Evaluating Global Aerosol Distributions With the Online Aerosol‐Coupled CAS‐FGOALS Model

Wang, Hao; Dai, Tie; Goto, Daisuke; Bao, Qing; He, Bian; Liu, Yimin; Nakajima, Teruyuki; Shi, Guangyu

doi:10.1029/2019jd032097

Cited by 8 publications

(5 citation statements)

References 102 publications

(204 reference statements)

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“…Our model generally captures the spatial variation of DOD, although there is a systematic underestimation. This occurs possibly due to a lack of realistic simulations of wind fields by the model (Wang et al., 2020).…”

Section: Resultsmentioning

confidence: 99%

“…The global dust simulations are conducted using the SPRINTARS (Spectral Radiation Transport Model for Aerosol Species) aerosol model (Takemura et al, 2005(Takemura et al, , 2009, which is coupled online with the CAS-FGOALS-f3 (the Chinese Academy of Sciences Flexible Global Ocean-Atmosphere-Land System) GCM (Bao et al, 2013(Bao et al, , 2020Wang et al, 2020;Zhao et al, 2022). The size distribution of dust particles in the SPRINTARS model is categorized into 10 bins, ranging from 0.2 to 20 μm in diameter (Takemura et al, 2000).…”

Section: Cas-fgoals-sprintarsmentioning

confidence: 99%

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Larger Dust Cooling Effect Estimated From Regionally Dependent Refractive Indices

Wang,

Liu,

et al. 2024

Geophysical Research Letters

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The dust direct radiative effect (DRE) depends strongly on the dust particle size distribution (PSD) and complex refractive index (CRI). Although recent studies constrained the dust PSD in the models, its CRI uncertainties are still large. As a result, whether dust warms or cools the climate system remains unclear. Here, we estimate the dust DRE by employing the regionally‐dependent dust CRI based on global measurements. We find that new dust CRI significantly enhances the scattering of dust in the shortwave while reduces its absorption in the longwave, which is opposite to that caused by increasing the coarse and giant dust fraction via constraining the PSD. Constraining both PSD and CRI ultimately leads to a net dust DRE of −0.68 W m−2, a cooling stronger than current model estimates.

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Section: Resultsmentioning

confidence: 99%

Section: Cas-fgoals-sprintarsmentioning

confidence: 99%

Larger Dust Cooling Effect Estimated From Regionally Dependent Refractive Indices

Wang,

Liu,

et al. 2024

Geophysical Research Letters

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“…We calculate the effects of different emissions on modelling aerosol surface concentrations and AODs by using two emission inventories (CMIP6 and ACCMIP), and the experiments are performed for the period of 2002–2008 (Wang et al ., 2020d). As shown in Table 4, the global mean of SO 2 emission in CMIP6 is 12.28% larger than that in ACCMIP, while the global mean of carbonaceous aerosol emission in CMIP6 is 1.94% smaller than that in ACCMIP (Wang et al ., 2020d). As shown in Figure 12, the CMIP6 emissions are much stronger than the ACCMIP emissions over TP and surrounding areas, especially in SO 2 emissions.…”

Section: Discussionmentioning

confidence: 99%

“…The SPRINTARS (Takemura et al ., 2000; Takemura et al ., 2005; Takemura et al ., 2009), which has participated many international model‐intercomparisons, such as AeroCom I (Textor et al ., 2006), AeroCom II (Myhre et al ., 2013), CMIP phases (Watanabe et al ., 2011) and the Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP) (Lamarque et al ., 2013), has been recently coupled to the CAS‐FGOALS‐f3‐L (Wang et al ., 2020d, 2020e). SPRINARS, including the evolutions of soil dust, sea‐salt, OC, BC and sulphate aerosols, is a global three‐dimensional aerosol transport‐radiation model.…”

Section: Model and Datamentioning

confidence: 99%

Modelling study on the source contribution to aerosol over the Tibetan Plateau

Zhao

Dai

Wang

et al. 2021

Intl Journal of Climatology

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Understanding the source of atmospheric aerosol is an essential step in determining the aerosol radiative effect over the Tibetan Plateau (TP). This study aims to clarify the contributions of anthropogenic and natural emission to the aerosols (carbonaceous and sulphate) characteristics inside the TP. An aerosol model named Spectral Radiation Transport Model for Aerosol Species (SPRINTARS) recently coupled to the climate model named Chinese Academy of Sciences Flexible Global Ocean Atmosphere Land System (CAS‐FGOALS‐f3‐L) is used to simulate meteorological conditions and aerosols from 1985 to 2013, given emissions from the sixth phase of the Coupled Models Intercomparison Project (CMIP6). Comparisons between the simulations and ERA5 reanalysis data present that the model can capture the key spatial and temporal features of meteorological elements (2‐m temperature, relative humidity, and wind field at 500 hPa) over the Asia. Subsequently, we conduct six sensitivity studies to quantify the contributions of sources to aerosol surface concentration, burden and aerosol optical depth (AOD) over the TP. Our results illustrate that the outside and local anthropogenic sources contribute about 75.2% (78.9% in summer and 66.6% in winter) and 13.5% (7.4% in summer and 24.0% in winter) to the annual mean aerosols surface concentrations over the TP. The outside anthropogenic sources contribute to AODs in TP up to 87.3% (93.9% in autumn and 80.6% in winter). The ascending air over the TP is conducive to the transportation of the outsource pollutions to the TP. The outside natural sources (refer to biomass burning sources) contribute about 10% to aerosols over TP, and the inside natural sources play minor roles. The black carbon, organic carbon and sulphate (BOCS) induce average radiative forcing of −0.7 W m−2 at the near surface over the TP.

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“…Global sea salt emissions amount to more than 4,700 Tg/year, which exceeds emissions of all other types of aerosols combined (H. Wang et al., 2020). Sea salt acts as cloud condensation nuclei, thus influencing cloud optical properties, cloud lifetime, and the hydrological cycle.…”

Section: Introductionmentioning

confidence: 99%

Optical Characterization of Marine Aerosols Using a Morphologically Realistic Model With Varying Water Content: Implications for Lidar Applications and Passive Polarimetric Remote Sensing

Kahnert,

Kanngießer

2024

Geophysical Research Letters

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Retrieving the physical properties and water content of marine aerosols requires understanding the links between the particles' optical and microphysical properties. By using a morphologically realistic model with varying salt mass fractions fm, describing the transition from irregularly shaped, dry salt crystals to brine‐coated geometries, optical properties relevant to polarimetric remote sensing are computed at wavelengths of 532 and 1,064 nm. The extinction cross section and its color ratio depend on particle size, but are insensitive to changes in fm; thus, measured extinction coefficients at two wavelengths contain information on both particle number and size. The lidar ratio's dependence on both size and wavelength has implications for inverting the lidar equation. The results suggest that active observations of the backscattering cross section's color ratio and the depolarization ratio, as well as, passive observations of the degree of linear polarization offer avenues to obtain the water content of marine aerosols.

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Simulating and Evaluating Global Aerosol Distributions With the Online Aerosol‐Coupled CAS‐FGOALS Model

Cited by 8 publications

References 102 publications

Larger Dust Cooling Effect Estimated From Regionally Dependent Refractive Indices

Larger Dust Cooling Effect Estimated From Regionally Dependent Refractive Indices

Modelling study on the source contribution to aerosol over the Tibetan Plateau

Optical Characterization of Marine Aerosols Using a Morphologically Realistic Model With Varying Water Content: Implications for Lidar Applications and Passive Polarimetric Remote Sensing

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