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OS objectives for 2 nd mission reprocessing. The SMOS L2 OS Team. OS 2 nd reprocessing objectives. New galactic model formulation Roughness models fitted to reprocessed data and validated Stokes 3: optimisation of TEC retrieval, RFI

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slide2

OS 2nd reprocessing objectives

  • New galactic model formulation
  • Roughness models fitted to reprocessed data and validated
  • Stokes 3: optimisation of TEC retrieval, RFI
  • Flags need improvement (better thresholds, simplification?)
  • Hopefully reformulated OTT strategy:
slide4

OS 1st reprocessing performance

  • L2OS reprocessing not yet started
product performance improvement investigation avenues and planned methodology

Product performance improvement, investigation avenues and planned methodology

The SMOS L2 OS Team

slide6

OS reprocessing analysis plan

  • Reprocessed L2OS will be analysed following (or adapting) the SMOS L2 OS Product Performance Evaluation Plan (SO-PL-ARG-GS-0055 L2OS-PPEP_v4.1_110907):
  • Priority 1
    • Range of retrieved SSS and deviation from climatology data
    • Regional variations
    • Land contamination
    • RFI detection & mitigation
    • Absolute accuracy of retrieved results; comparison with external sources
    • Quality fields and flags
    • Time stability of the results
    • Sun/moon glint and Galactic Noise
    • Tuning roughness models 1/2/3
  • Issue new Product Performance Status Report
slide7

Investigation for 2nd reprocessing

  • New galactic model formulation
    • Don’t know possible impact on algorithm, then processor delivery
  • Roughness models fitted to reprocessed data and validated
  • Stokes 3: optimisation of TEC retrieval, RFI
    • Don’t know possible impact on algorithm, then processor delivery
  • Flags need improvement (better thresholds, simplification?)
  • Hopefully reformulated OTT strategy:
    • Full understanding of reprocessing OTTs
    • Examining impact in SSS time series
    • Review OTT update strategy in view of L1 improvements
    • Status of multiplicative, model-free OTT investigation
slide8

Investigation for 2nd reprocessing

  • And on top of this:

Expecting to see significant L1 improvements

Checked efficiency of different land/sea LO calibration rate

performance status v550

Performance status v550

The SMOS L2 OS Team

slide10

New SMOS OS L3 maps

New
  • Optimally interpolated salinity maps generated at BEC from DPGS operational L2 products
  • 10 days, 1ox1o, updated every 3 days

http://www.smos-bec.icm.csic.es/

temporal drift in sss l3 maps
Temporal drift in SSS L3 maps

BEC OI

SSS – SSS_clima.

16 -25 Nov 2011

25 Nov- 4 Des

1o / 10 days

15 des: L2PP 5.50 in DPGS

OTT asc & OTT des

1-9 Des

16 -25 Des

31 Des - 9 Jan

22-31 Des

Same behaviour with

binned (not OI)

-1

1

drifts not geophysical
Drifts not geophysical

BEC product

OI 1° x 1°

Ave 10 days

Freq 3d

Averaging SMOS_OI - ARGO maps

L2PP550

L1PP500

L2PP500

L2PP550

L1PP500

L2PP500

2011

2011

the circular window story
The circular window story

HW-CW TB with MTS, AF-FOV only, 0-40 incidence, 1-15 Dec 2010

the circular window story1
The circular window story

HW-CW TB with L1PP, EAF-FOV only, all angles, June 2010