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Level 2 Ocean Salinity Processor

This document outlines the updates and changes made to the Level 2 Ocean Salinity Processor as of October 15-16, 2009, by Paul Spurgeon and Andrei Chuprin. Key modifications include the introduction of a new processing version, the change of DAP generation protocol, and improvements to data formatting. Notable issues such as known processing problems and bugs have been highlighted for review. The document also discusses the importance of auxiliary data in algorithm development and poses critical questions regarding the reliability and verification of ADFs for future launches.

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Level 2 Ocean Salinity Processor

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  1. Level 2 Ocean Salinity Processor 15-16 October 2009 Paul Spurgeon Andrei Chuprin

  2. New processor 03_09 • Launch version now used in DPGS • Changes: • AUX_CNFOSD/F & CNF_L2OS__ • Switch_rough_harmonics • Switch_store_gal • Generate_DAP replaces Supress_DAP • new format multiple AUX_AGDPTs • Includes AUX_FARA_x processing

  3. 03_09 known problems • Not working • Fg_ctrl_sunglint, Fg_ctrl_moonglint, & Fg_ctrl_gal_noise • Tg_ice_concentration & Tg_suspect_ice • itMax = 0 (for BT’s -> DAP?) • Polarised galactic noise not implemented • Cannot set processing window (longitude) across date-line • Too_Few_Measurents_Rejected x2 in SPH

  4. ECMWF update • Reports available from Array & Xiaobin • Missing rain rate bug fixed in pre-processor 0305

  5. ADFs • AlgoVal has focussed on processor algorithms, but aux data also important, so... • We need to review ADFs & plan for updates • How to (re-)make ADFs? • Are the ADFs ok for launch? • Who is responsible for updates? • How are ADFs verified? • AUX_DISTAN, FOAM__, RGHNS1, RGHNS2, GAL2OS, GAL_OS, SGLINT, SSS___

  6. AUX_SSS___

  7. AUX_SSS___

  8. AUX_SSS___

  9. AUX_SSS___: Jan, zone 1

  10. AUX_SSS___: Jan, zone 1

  11. AUX_DISTAN • Contains: land-sea mask, distance to coast, monthly sea-ice mask, & Tg_resol_max • Sea-ice data is 1979-2003 – ok? • Where do these come from? • psn25lats_v2.dat, pss25lats_v2.dat, psn25lons_v2.dat, pss25lons_v2.dat, • distan_to_coast.mat • level.mat

  12. ADF sources & ESLs

  13. Pacific region reprocessed

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