CNES-ISRO Second Science Workshop on Megha-Tropiques held in Paris during July, 2001 

This scientific workshop/ meeting was held in Paris, CNES, during 2-6 July 2001. The purpose, in its first part, was to address the scientific issues of Megha-Tropiques, then, in the second part, to begin the review of processing methods and algorithmes which could be applied on the data. The programme of the meeting is given below : 

Session-I : Presentation of the Megha-Tropiques Mission

(Chairman R. Narasimha)

D. Borel (CNES representative) : Welcome and Introduction

M.S. Narayanan : Introduction, presentation of the Indian delegation

M. Desbois : Summary of Megha-Tropiques general objectives and principles, presentation of the French delegation

G. Raju : The organisation of the project in India/ISRO

N. Karouche : The organisation of the project in France/CNES

P. Batista : The view of ESA on GPM and Megha-Tropiques

Session-II : Scientific problems and objectives

(Chairwoman L. Eymard)

R. Sadourny : Issues on tropical systems and climate

J. Srinivasan : Energy and moisture budgets of the tropical convective systems

J.-L. Redelsperger : Actual issues in mesoscale tropical convective systems understanding : the experience of experimental campaigns and mesoscale modelling

R. Narasimha : New scaling arguments for low-wind eddy fluxes

U.C. Mohanty : Intra-seasonal variability of the summer monsoon over India

R. Roca : Multi-satellite observations of relevant climate parameters during the INDOEX

experiment

Kusuma Rao : METEOSAT observations of the modulation of the Indian summer monsoon over intraseasonal scales.

J.-Ph Duvel : Scale Interaction between Mesoscale Convective Systems and Intraseasonal Oscillations over the Indian Ocean Region

B. K. Mitra and S. Das : Representation of Deep Moist Convection In NCMRWF Global T80 Analysis / Forecast System: Results From Different Experiments

K. Laval : Simulation of Monsoon disturbances in LMD GCM

F. Roux : Tropical cyclone issues and other climatic risks in tropical area

 

Session-3 : Presentation of the Megha-Tropiques instruments

(Chairman M.S. Narayanan)

G. Raju / C. Goldstein : The Madras instrument on Megha Tropiques

M. Gheudin / L. Eymard :The Saphir instrument on Megha Tropiques

F. Sirou / M. Viollier : The ScaRaB instrument on Megha Tropiques

M. Capderou : The specificity of the Megha-Tropiques orbit 

Session-4 : Algorithms and data processing : Precipitation

(Chairman M. Desbois)

N. Viltard : the experience of precipitation retrieval from TRMM

R. Gairola : Rainfall and other parameters from TMI/TRMM

I. Jobard : Status of satellite retrieval of rainfall at different scales using multi-source data.

P.K. Pal, N Agarwal and C M Kishtawal : Vertical structure of rainfall from TRMM-PR data for assimilation in GCM.

Peter Bauer and Virginie Marécal : Assimilation of rainfall from TRMM in the ECMWF model.

 Round table on precipitation retrieval (including discussion on 157 GHz) . Panel :

R. Narasimha, J. Srinivasan, L. Eymard, M. Desbois, M.S. Narayanan, R. Gairola, I. Jobard, N. Viltard, P. Bauer.

 

Session-5 : Algorithms and data processing : surface properties and fluxes

(Chairman J. Srinivasan)

 M.S. Narayanan : Marine Observations from Indian Oceansat-1 and Stratification over the Arabian Sea

D. Bourras / L. Eymard : Retrieval of sea surface heat fluxes from microwave measurements

M. Viollier : Restitution of Longwave and Shortwave radiative fluxes from combinations of ScaRaB and Meteosat data

 Session-6 : Algorithms and data processing : water vapour and multiparameter retrieval

 (Chairman: J. Srinivasan) 

R.C. Bhatia : Validation of water vapour and wind speed products dérive from MSMR payload onboard IRS_P4 Satellite and meteorological applications of data products.

S. Franquet, N. Scott : Simulations of radiative transfer in the Saphir channels in the perspective of WV profiles retrievals

B.S. Gohil : Simulation studies for humidity profile retrieval from SAPHIR

E. Obligis : Mutiparameter retrieval from microwave data. Part 1 : data base and direct model

R. Gairola : Mutiparameter retrieval from microwave data. Part 2 : Inversion

  

LIST OF PARTICIPANTS

INDIA

J. Srinivasan (CAOS, IISc, Bangalore) : jayes@caos.iisc.ernet.in

R. Narasimha (CAOS, IISc, Bangalore) : roddam@cas.iisc.ernet.in

G. Raju (SAC, ISRO, Ahmadabad) : raju_garudachar@hotmail.com

M.S. Narayanan (SAC, ISRO, Ahmedabad) : soumya15@hotmail.com

B.S. Gohil (SAC, ISRO, Ahmadabad) : bsgohil@yahoo.com

P.K. Pal (SAC, ISRO, Ahmadabad) : pkpal25@hotmail.com

R. Gairola (SAC, ISRO, Ahmadabad) + CETP: rgairola@hotmail.com , rakesh.gairola@cetp.ipsl.fr

K. Rao (CAOS, IISc, Bangalore) + LMD : kusuma_rao@yahoo.com, rao@merlin.polytechnique.fr

N.C. Mohanty (IIT, Delhi) : mohanty@cas.iitd.ernet.in

B. K. Mitra (NCMRWF, Delhi) : akm@ncmrwf.gov.in

R.C. Bhatia (IMD, Delhi) : rcbhatia@imd.ernet.in

Jacob Ninan (ISRO HQ, Bangalore)

FRANCE

L. Eymard, CETP : Laurence.EYMARD@cetp.ipsl.fr

M. Desbois, LMD : desbois@lmd.polytechnique.fr

I. Jobard, LMD : jobard@lmd.polytechnique.fr

N. Karouche, CNES : Nadia.Karouche@cnes.fr

P. Batista, ESA : pedro@xe.estec.esa.nl

R. Sadourny, LMD : Sadourny@lmd.ens.fr

J.-L. Redelsperger, CNRM : Jean-Luc.REDELSPERGER@meteo.fr

R. Roca, LMD : Roca@lmd.polytechnique.fr

J.-Ph. Duvel, LMD : duvel@lmd.ens.fr

K. Laval, LMD : Laval@lmd.ens.fr

F. Roux, LA : rouf@aero.obs-mip.fr

F. Sirou, LMD : sirou@lmd.polytechnique;fr

M. Capderou,LMD : capderou@lmd.polytechnique.fr

N. Viltard, CETP : nicolas.viltard@cetp.ipsl.fr

P. Bauer, ECMWF : peter.bauer@ecmwf.int

M. Viollier, LMD : michel.viollier@lmd.polytechnique.fr

S. Franquet, LMD : Franquet@lmd.polytechnique.fr

E. Obligis, CLS : Estelle.Obligis@cls.fr

OTHER PARTICIPANTS

Michèle Vesperini

Geneviève Sèze

Patrick Raberanto

Hélène Brogniez

Françoise Desalmand

Taï Feng Yang

Olivier Talagrand

Serge Janicot

Benjamin Sultan

Laurence Picon

André Szantai

JSC (CNES)

Nicole Papineau

Vincent Cassé

Denis Borel

Serge Platard

Jean-Pierre Midan

Alain De Leffe

A list of few extended abstracts received so far can be viewed as pdf files at http://www.isro.org under space science section. A full compilation of the long abstracts of papers presented during the workshop is planned to be brought out by CNES.