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6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 1 of 26 July 19-21, 2010 6th Aquarius/SAC-D Science Meeting 19-21 July 2010 Seattle,

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Presentation on theme: "6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 1 of 26 July 19-21, 2010 6th Aquarius/SAC-D Science Meeting 19-21 July 2010 Seattle,"— Presentation transcript:

1 6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 1 of 26 July 19-21, th Aquarius/SAC-D Science Meeting July 2010 Seattle, Washington, USA MWR L2 Retrieval Algorithms Sergio Masuelli Carolina Tauro Linwood Jones

2 6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 2 of 26 July 19-21, 2010 Index 1)Introduction 2)L1 to L2 project plan 3)Surface retrievals 4)Atmospheric Retrievals 5)Sea Ice Concentration 6)L2 Simulator

3 6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 3 of 26 July 19-21, 2010 Introduction Objective: To obtain the Geophysical Variables WS: Wind Speed Surface: WD: Wind Direction IC: Ice Concentration WV: Water Vapor Atmosphere: CLW: Cloud Liquid Water RW: Rain Water

4 6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 4 of 26 July 19-21, 2010 Introduction Horns Antennas MWR MWR Scheme

5 6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 5 of 26 July 19-21, 2010 Introduction MWR Acquisition Geometry

6 6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 6 of 26 July 19-21, 2010 Introduction MWR beam overlapping along track 13 km 40 km L1B1 40 km L2

7 6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 7 of 26 July 19-21, 2010 Introduction Schematic Microwave Radiative Transfer Model [Thompson, 2004]. Up-welling Brightness Atmospheric Emission Surface Emission Down-welling Brightness Reflected Atmospheric Brightness Microwave Antenna Atmospheric Absorption Radiative Transfer Model

8 6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 8 of 26 July 19-21, 2010 Introduction TB j  F j  P  j Forward problem P i  G i  TB* i  where TB* i  P 0 1,…, P i,…, P 0 N  We have 6 Ps but only 4 TBs P  G  TB  Inverse problem Geophysical Variables P: WS, WD, IC, WV, LWC, RW The Retrieval Problem

9 6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 9 of 26 July 19-21, 2010 L1 to L2 project plan ATBD Simulators Depuration of Algorithms Application PrototypeCalibration Prototype General Scheme of the Development Plan

10 6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 10 of 26 July 19-21, 2010 L1 to L2 project plan N er Task st Quater 2 nd Quater 3 rd Quater 4 th Quater 1Tools develop for comparative analysis in the basic RTM 2Review of RTM architecture and modularizing of RTM 3RTM Documentation (User Manual) 4Write ATBD, RBD and ADD for all the applications 5Research on algorithms of Ice Classification 6ATBD for Ice Classification 7Program to obtain parameters for Ice Classification 8Code for the Ice Concentration application 9Research on algorithms for Wind Speed 10ATBD for Wind Speed 11Program to obtain parameters for Wind Speed 12Code for the Wind Speed application Schedule of Activities

11 6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 11 of 26 July 19-21, 2010 L1 to L2 project plan N er Task st Quater 2 nd Quater 3 rd Quater 4 th Quater 13Research on transmisivity for non precipitatives clouds 14Research on transmisivity for precipitatives clouds 15ATBD for columnar content of Water Vapor, Cloud Liquid Water and Rain Water 16Program to obtain parameters for Water Vapor, Cloud Liquid Water and Rain Water 17Code for the application of Water Vapor, Cloud Liquid Water and Rain Water 18Updating of general ATBD 19Develop of operative RTM 20Integrated Prototype for the Applications 21Plan of Cal/Val of the Applications 22Develop of the Operative Retrieval Applications 23Develop of the Operative External Parameter Extractor Schedule of Activities (cont.)

12 6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 12 of 26 July 19-21, 2010 The RTM

13 6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 13 of 26 July 19-21, 2010 Surface retrievals Insensitive on atmospheric changes Wind Retrieval. AVH Algorithm A(WS,SST,f) T BH T BV F 0 (SST) (AT BV − T BH ) - F(SST) = C 0 (WS)+C 1 (WS)COS( χ )+C 2 (WS)COS(2 χ ) Does C’S converge? F(SST) = (AT BV − T BH ) − [C 0 (WS)+C 1 (WS)COS( χ )+ C 2 (WS)COS(2 χ )] No Yes END (AT BV − T BH ) - F(SST) - C 0 (WS) =C 1 (WS)COS( χ )+C 2 (WS)COS(2 χ )

14 6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 14 of 26 July 19-21, 2010 Surface retrievals EDR Wind Speed, m/s AVH Wind Speed, m/s Wind Speed CFRSL Preliminary Results (AVH)

15 6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 15 of 26 July 19-21, 2010 Surface retrievals AVH Wind Direction, degree EDR Wind Direction, degree Wind Direction CFRSL Preliminary Results (AVH)

16 6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 16 of 26 July 19-21, 2010 Surface retrievals Basic Scheme for Wind Retrieval

17 6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 17 of 26 July 19-21, 2010 Atmospheric retrievals The Cloud Problem

18 6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 18 of 26 July 19-21, 2010 Atmospheric retrievals Precipitation and LWC signal (CFRSL)

19 6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 19 of 26 July 19-21, 2010 Atmospheric retrievals Non Precipitative Cloud Rainy Cell Rain and Cloud Analysis

20 6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 20 of 26 July 19-21, 2010 Atmospheric retrievals Basic Scheme for Retrieve Atmospheric Variables

21 6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 21 of 26 July 19-21, 2010 Sea Ice Concentration Bootstrap Algorithm Nasa Team Algorithm Sea Ice Algorithms

22 6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 22 of 26 July 19-21, 2010 Sea Ice Concentration WindSat: 19V & 37V GHz MWR 24V & 37V GHz Longitude, (deg.) MWR Simulated Latitude, (deg.) WindSat First Year Ice Concentration using NT algorithm (CFRSL)

23 6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 23 of 26 July 19-21, 2010 Sea Ice Concentration CONAE Sea Ice Algorithm

24 6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 24 of 26 July 19-21, 2010 Sea Ice Concentration Obtaining Parameters from a Scatter Plot

25 6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 25 of 26 July 19-21, 2010 L2 Simulator External Data Preparation GDAS Internal Data Preparation RTM Data Base IC/WS/WD END L2 Processor It converges? No Yes WV/LWC/RW Data Base L1B1

26 6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 26 of 26 July 19-21, 2010 Fin

27 6th Aquarius/SAC-D Science Meeting Seattle. L2 Algorithms. S. Masuelli 27 of 26 July 19-21, 2010 Diagrama de flujo de las aplicaciones MWR Desarrollo del proyecto


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