Preprints
https://doi.org/10.5194/amt-2023-42
https://doi.org/10.5194/amt-2023-42
21 Apr 2023
 | 21 Apr 2023
Status: this preprint was under review for the journal AMT but the revision was not accepted.

Optimal variables for retrieval products

Simone Ceccherini

Abstract. The increase of satellite instruments sounding the atmosphere will make it very likely that several instruments simultaneously measure either the same vertical profile or vertical profiles related to nearby geo-locations, and users will consult fused products rather than individual measurements. Therefore, the retrieval products should be optimized for the use in data fusion operations, rather than for the representation of the profile. This change of paradigm raises the question if a more functional representation of the retrieval products exists. New variables for the retrieval products are proposed that have several advantages with respect to the standard retrieval products. These variables, in the linear approximation of the forward model, are independent of the a priori information used in the retrieval, allow to represent the profile with any a priori information and can directly be used to perform the data fusion of a set of measurements. Furthermore, the use of these variables allows to reduce to about one third the stored data volume with respect to the use of standard retrieval products.

Simone Ceccherini

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on amt-2023-42', Anonymous Referee #2, 23 May 2023
    • AC1: 'Reply on RC1', Simone Ceccherini, 04 Jul 2023
  • RC2: 'Comment on amt-2023-42', Anonymous Referee #1, 12 Jun 2023
    • AC2: 'Reply on RC2', Simone Ceccherini, 04 Jul 2023

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on amt-2023-42', Anonymous Referee #2, 23 May 2023
    • AC1: 'Reply on RC1', Simone Ceccherini, 04 Jul 2023
  • RC2: 'Comment on amt-2023-42', Anonymous Referee #1, 12 Jun 2023
    • AC2: 'Reply on RC2', Simone Ceccherini, 04 Jul 2023

Simone Ceccherini

Simone Ceccherini

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Short summary
New variables are proposed for the retrieval products that are used in subsequent data fusion activities. These variables, in the linear approximation of the forward model, are independent of the a priori information used in the retrieval. Furthermore, they reduce to about one third the stored data volume with respect to the use of the standard products and provide an optimal compromise between completeness and efficiency of the stored information.