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Sea spray aerosol optical properties and direct radiative effect

Version 1.0

Markowicz, Krzysztof, 2026, "Sea spray aerosol optical properties and direct radiative effect", https://doi.org/10.18150/LIBRJC, RepOD, V1

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Description

The dataset contains the results of numerical simulations of sea spray aerosol over the entire globe, with a spatial resolution of 1° and a temporal resolution of 6 h, covering the period from 1 January 2004 to 31 December 2004. The simulations were performed using the NAAPS aerosol transport model and the Fu–Liou radiative transfer model. The dataset includes five different parameterizations of sea spray aerosol emissions.

The data are provided in MATLAB binary format (.mat). The file contains a structure named DATA with six data fields:

  • AOT – aerosol optical thickness (AOT), stored as a 4-dimensional double-precision array with dimensions [12 × 180 × 360 × 6].
  • AOT10 – aerosol optical thickness at 10 m, stored as a 4-dimensional double-precision array with dimensions [12 × 180 × 360 × 6].
  • ForIall – radiative effect under all-sky conditions, stored as a 5-dimensional double-precision array with dimensions [12 × 180 × 360 × 3 × 6].
  • ForIRall – longwave radiative effect under all-sky conditions, stored as a 5-dimensional double-precision array with dimensions [12 × 180 × 360 × 3 × 6].
  • ForIcle – radiative effect under clear-sky conditions, stored as a 5-dimensional double-precision array with dimensions [12 × 180 × 360 × 3 × 6].
  • ForIRcle – longwave radiative effect under clear-sky conditions, stored as a 5-dimensional double-precision array with dimensions [12 × 180 × 360 × 3 × 6].

The dimensions of the arrays are ordered as follows:

  • Dimension 1 (12) – month (January–December) of 2004.
  • Dimension 2 (180) – latitude, with grid points ordered from the North Pole toward the South Pole.
  • Dimension 3 (360) – longitude, with grid points starting at the Greenwich meridian (0°) and increasing eastward.
  • Dimension 4 (3, radiative-effect variables only) – level at which the radiative effect is calculated: (1) surface, (2) tropopause, and (3) top of the atmosphere (TOA).
  • Dimension 5 (6, radiative-effect variables only) – sea-spray aerosol (SSA) emission parameterization.
  • Dimension 4 (6, AOT and AOT10) – sea-spray aerosol (SSA) emission parameterization.

The spatial grid has a resolution of 1° × 1° and covers the entire globe. The data therefore provide monthly global fields for each of the six SSA emission parameterizations. The radiative-effect variables additionally provide values at three levels: the surface, the tropopause, and the top of the atmosphere.

The six sea-spray aerosol (SSA) emission parameterizations considered in the simulations represent combinations of two reference emission formulations and three sea-surface temperature (SST) treatments:

  1. Sofiev Ref. – the reference Sofiev et al. emission parameterization;
  2. Sofiev, Jaeglé SST – the Sofiev emission parameterization with the SST correction proposed by Jaeglé et al.;
  3. Sofiev, Sofiev SST – the Sofiev emission parameterization with the SST correction proposed by Sofiev et al.;
  4. Gong Ref. – the reference Gong emission parameterization;
  5. Gong, Jaeglé SST – the Gong emission parameterization with the SST correction proposed by Jaeglé et al.;
  6. Gong, Sofiev SST – the Gong emission parameterization with the SST correction proposed by Sofiev et al.

Thus, the six cases combine two sea-spray emission formulations (Sofiev and Gong) with either the reference treatment or one of two SST correction schemes.

(2004)
Subject
Earth and Environmental Sciences
Keyword

aerosol, wymuszanie radiacyjne, AOD

CC0 Creative Commons Zero 1.0 CC0 Creative Commons Zero 1.0

1 File
sumupdata.mat
Unknown - 303.2 MB - Oct 1, 2026 - 0 Downloads
MD5: 55f5ff76da1734daaadc05f0be9f9ec3
License: CC0 Creative Commons Zero 1.0
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