6 th AquariusSACD Science Meeting MWR L 2
- Slides: 27
6 th Aquarius/SAC-D Science Meeting MWR L 2 Retrieval Algorithms Sergio Masuelli Carolina Tauro Linwood Jones 19 -21 July 2010 Seattle, Washington, USA sergio. masuelli@conae. gov. ar 6 th Aquarius/SAC-D Science Meeting Seattle. L 2 Algorithms. S. Masuelli 1 of 26 July 19 -21, 2010
Index 1) Introduction 2) L 1 to L 2 project plan 3) Surface retrievals 4) Atmospheric Retrievals 5) Sea Ice Concentration 6) L 2 Simulator 6 th Aquarius/SAC-D Science Meeting Seattle. L 2 Algorithms. S. Masuelli 2 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 6 th Aquarius/SAC-D Science Meeting Seattle. L 2 Algorithms. S. Masuelli 3 of 26 July 19 -21, 2010
Introduction MWR Scheme Horns MWR 6 th Aquarius/SAC-D Science Meeting Seattle. L 2 Algorithms. S. Masuelli Antennas 4 of 26 July 19 -21, 2010
Introduction MWR Acquisition Geometry 6 th Aquarius/SAC-D Science Meeting Seattle. L 2 Algorithms. S. Masuelli 5 of 26 July 19 -21, 2010
Introduction MWR beam overlapping along track L 1 B 1 L 2 40 km 13 km 6 th Aquarius/SAC-D Science Meeting Seattle. L 2 Algorithms. S. Masuelli 6 of 26 July 19 -21, 2010
Introduction Radiative Transfer Model Microwave Antenna Up-welling Brightness Atmospheric Emission Down-welling Brightness Atmospheric Absorption Reflected Atmospheric Brightness Surface Emission Schematic Microwave Radiative Transfer Model [Thompson, 2004]. 6 th Aquarius/SAC-D Science Meeting Seattle. L 2 Algorithms. S. Masuelli 7 of 26 July 19 -21, 2010
Introduction The Retrieval Problem TBj = F j (P)+ Dej Forward problem P = G (TB) Inverse problem Geophysical Variables P: WS, WD, IC, WV, LWC, RW We have 6 Ps but only 4 TBs Pi = Gi (TB*i) 6 th Aquarius/SAC-D Science Meeting Seattle. L 2 Algorithms. S. Masuelli where TB*i=TB(P 01, …, Pi , …, P 0 N) 8 of 26 July 19 -21, 2010
L 1 to L 2 project plan General Scheme of the Development Plan ATBD Simulators Depuration of Algorithms Application Prototype 6 th Aquarius/SAC-D Science Meeting Seattle. L 2 Algorithms. S. Masuelli Calibration Prototype 9 of 26 July 19 -21, 2010
L 1 to L 2 project plan Schedule of Activities 2010 Ner Task 1 Tools develop for comparative analysis in the basic RTM 2 Review of RTM architecture and modularizing of RTM 3 RTM Documentation (User Manual) 4 Write ATBD, RBD and ADD for all the applications 5 Research on algorithms of Ice Classification 6 ATBD for Ice Classification 7 Program to obtain parameters for Ice Classification 8 Code for the Ice Concentration application 9 Research on algorithms for Wind Speed 10 ATBD for Wind Speed 11 Program to obtain parameters for Wind Speed 12 Code for the Wind Speed application 6 th Aquarius/SAC-D Science Meeting Seattle. L 2 Algorithms. S. Masuelli 1 st Quater 2 nd Quater 3 rd Quater 4 th Quater 10 of 26 July 19 -21, 2010
L 1 to L 2 project plan Schedule of Activities (cont. ) 2010 Ner Task 13 Research on transmisivity for non precipitatives clouds 14 Research on transmisivity for precipitatives clouds 15 ATBD for columnar content of Water Vapor, Cloud Liquid Water and Rain Water 16 Program to obtain parameters for Water Vapor, Cloud Liquid Water and Rain Water 17 Code for the application of Water Vapor, Cloud Liquid Water and Rain Water 18 Updating of general ATBD 19 Develop of operative RTM 20 Integrated Prototype for the Applications 21 Plan of Cal/Val of the Applications 22 Develop of the Operative Retrieval Applications 23 Develop of the Operative External Parameter Extractor 6 th Aquarius/SAC-D Science Meeting Seattle. L 2 Algorithms. S. Masuelli 1 st Quater 2 nd Quater 3 rd Quater 4 th Quater 11 of 26 July 19 -21, 2010
The RTM 6 th Aquarius/SAC-D Science Meeting Seattle. L 2 Algorithms. S. Masuelli 12 of 26 July 19 -21, 2010
Surface retrievals Wind Retrieval. AVH Algorithm (ATBV − TBH ) - F(SST) - C 0(WS) =C 1(WS)COS(χ)+C 2(WS)COS(2χ) A(WS, SST, f) TBH TBV F 0(SST) (ATBV − TBH ) - F(SST) = C 0(WS)+C 1(WS)COS(χ)+C 2(WS)COS(2χ) Insensitive on atmospheric changes F(SST) = (ATBV − TBH) − [C 0(WS)+C 1(WS)COS(χ)+ C 2(WS)COS(2χ)] Does C’S No converge? Yes END 6 th Aquarius/SAC-D Science Meeting Seattle. L 2 Algorithms. S. Masuelli 13 of 26 July 19 -21, 2010
Surface retrievals 6 th Aquarius/SAC-D Science Meeting Seattle. L 2 Algorithms. S. Masuelli AVH Wind Speed, m/s EDR Wind Speed, m/s Wind Speed CFRSL Preliminary Results (AVH) 14 of 26 July 19 -21, 2010
Surface retrievals 6 th Aquarius/SAC-D Science Meeting Seattle. L 2 Algorithms. S. Masuelli AVH Wind Direction, degree EDR Wind Direction, degree Wind Direction CFRSL Preliminary Results (AVH) 15 of 26 July 19 -21, 2010
Surface retrievals Basic Scheme for Wind Retrieval 6 th Aquarius/SAC-D Science Meeting Seattle. L 2 Algorithms. S. Masuelli 16 of 26 July 19 -21, 2010
Atmospheric retrievals The Cloud Problem 6 th Aquarius/SAC-D Science Meeting Seattle. L 2 Algorithms. S. Masuelli 17 of 26 July 19 -21, 2010
Atmospheric retrievals Precipitation and LWC signal (CFRSL) 6 th Aquarius/SAC-D Science Meeting Seattle. L 2 Algorithms. S. Masuelli 18 of 26 July 19 -21, 2010
Atmospheric retrievals Rain and Cloud Analysis Non Precipitative Cloud Rainy Cell 6 th Aquarius/SAC-D Science Meeting Seattle. L 2 Algorithms. S. Masuelli 19 of 26 July 19 -21, 2010
Atmospheric retrievals Basic Scheme for Retrieve Atmospheric Variables 6 th Aquarius/SAC-D Science Meeting Seattle. L 2 Algorithms. S. Masuelli 20 of 26 July 19 -21, 2010
Sea Ice Concentration Sea Ice Algorithms Bootstrap Algorithm 6 th Aquarius/SAC-D Science Meeting Seattle. L 2 Algorithms. S. Masuelli Nasa Team Algorithm 21 of 26 July 19 -21, 2010
Sea Ice Concentration MWR Simulated Latitude, (deg. ) Wind. Sat: 19 V & 37 V GHz Latitude, (deg. ) First Year Ice Concentration using NT algorithm (CFRSL) MWR 24 V & 37 V GHz Longitude, (deg. ) 6 th Aquarius/SAC-D Science Meeting Seattle. L 2 Algorithms. S. Masuelli 22 of 26 July 19 -21, 2010
Sea Ice Concentration CONAE Sea Ice Algorithm 6 th Aquarius/SAC-D Science Meeting Seattle. L 2 Algorithms. S. Masuelli 23 of 26 July 19 -21, 2010
Sea Ice Concentration Obtaining Parameters from a Scatter Plot 6 th Aquarius/SAC-D Science Meeting Seattle. L 2 Algorithms. S. Masuelli 24 of 26 July 19 -21, 2010
L 2 Simulator Data Base GDAS External Data Preparation Data Base L 1 B 1 Internal Data Preparation L 2 Processor RTM IC/WS/WD No WV/LWC/RW It converges? Yes END 6 th Aquarius/SAC-D Science Meeting Seattle. L 2 Algorithms. S. Masuelli 25 of 26 July 19 -21, 2010
Fin 6 th Aquarius/SAC-D Science Meeting Seattle. L 2 Algorithms. S. Masuelli 26 of 26 July 19 -21, 2010
Desarrollo del proyecto Diagrama de flujo de las aplicaciones MWR 6 th Aquarius/SAC-D Science Meeting Seattle. L 2 Algorithms. S. Masuelli 27 of 26 July 19 -21, 2010
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