Abhay Devasthale

Publications and other literature

In preparation or submitted:

• Devasthale A., and H. Grassl, Convection reaching the tropical tropopause layer seen from the combined measurements of AIRS and AVHRR sensors over the Indian monsoon region, in prep for GRL.
• Devasthale A. and S. Fueglistaler, Differences in convective activity in the UTLS region observed during the sharply contrasting monsoon years of 2002 and 2003, planned for ACP.
• Devasthale A. and H. Grassl , On the potential of warm water vapour pixels in monitoring deep convection during cyclonic activity, submitted to Remote Sensing of Environment, Dec. 2008.
• Ramesh Kumar M. R., A. Devasthale, S. Shyam, S. Bakan, H. Grassl, On the evolution of double ITCZs over the Indian Ocean as revealed by the synergistic analysis of satellite observations, submitted to RSE, 2008.

Accepted or published:

• Devasthale A., and H. Grassl (2009), A daytime climatological spatio-temporal distribution of high opaque ice cloud classes over the Indian summer monsoon region from 25-year AVHRR data, Atmos. Chem. Phys. Discuss., 9, 23-58
• Devasthale A. and H. Grassl (2009), Comparison of low brightness temperatures derived from AVHRR thermal channels with in-situ measurements at Antarctica, Int. J. Remote Sens. 30(2), 525-532.
• Kokhanovsky A., C. Naud , and A. Devasthale (2008), The inter-comparison of ground radar and satellite cloud top height retrievals for extended single-layered cloud fields, accepted in IEEE Trans. Geosci. Remote Sens.
• Devasthale A. and H. Graßl (2007), Dependence of frequency of convective cloud occurrence on the orbital drift of satellites, Int J. Remote Sens., 28(16), doi: 10.1080/4646
• Devasthale, A., O. Krüger, and H. Graßl (2006), Impact of ship emissions on cloud properties over coastal areas, Geophys. Res. Lett., 33, L02811, doi:10.1029/2005GL024470.
• Devasthale, A., O. Krüger, and H. Graßl (2005), Change in cloud top temperatures over Europe, IEEE Geosci. Remote Sens. Lett., 2(3), 333–336.
• Devasthale A., B. Krishna Mohan, and E.P. Rao (2004), The evaluation of JPEG-2000 Compression Standard for remote sensing applications, Asian Journal of Geoinformatics, vol. 4, no. 4.
• Mohan, B. K., Devasthale, A. D., Rao, E. P. (2003), Generation of optimal quantization table for a rate constrained version of JPEG using Genetic Algorithm, International Archives of Photogrammetry, Remote Sensing and Spatial Information Sciences, vol. 34, 7/A, 161-163.

Meetings, conferences, workshops etc:

• Participated in the AVHRR and HIRS inter-calibration workshop at the NOAA Science Center in Camp Springs, USA, 17-19 Nov 2008.
• Participated in GEWEX Cloud Climatology Assessment Meeting at the CCNY, New York, 21-23 July 2008.
• Devasthale A. and H. Grassl, Can we infer the impact of ship emissions on clouds from long-term satellite measurements? EGU General Assembly, Vienna, Austria, April 2008. (Oral)
• Devasthale A., M. A. Thomas, A. Kokhanovsky, R. P. Singh, O. Krueger, and H. Grassl, Monitoring dust outbreaks over ocean from METEOSAT visible images, EGU General Assembly, Vienna, Austria, April 2008. (Poster)
• Devasthale A., and H. Grassl, The stability assessment of the AVHRR thermal channels using in-situ temperature measurements at five stations in Antarctica for 25-year period, EGU General Assembly, Vienna, Austria, April 2008. (Poster)
• Klocke D., Devasthale A., and H. Grassl, Global seasonal and vertical distribution of carbon monoxide from the MOPITT data between 2000 and 2006, EGU General Assembly, Vienna, Austria, April 2008. (Poster)
• Devasthale A., G. J. Huffman and H. Grassl, Exploring possibility of using the brightness temperature difference between water vapor and infrared channels of METEOSAT to estimate monsoon precipitation, AGU Fall Meeting, San Francisco, USA, Dec 2007. (Poster)
• Gehlot, S., J. Quaas, and A. Devasthale, Evaluation of diurnal cycle of convection in a GCM with satellite data, AGU fall meeting, San Francisco, 10 - 14 December 2007
• Devasthale A., O. Krüger and H. Grassl, Convective clouds over India observed during contrasting monsoons of 2002 and 2003, DACH 2007 Meteorolgentagung, Hamburg, Germany, Sept, 2007.(Oral)
• Devasthale A., A. Andersson, C. Klepp, S. Bakan and H. Grassl, Features of cyclone 05B (1999) studied with six satellite sensors, International Conference on Earth System Modelling, Hamburg, Germany, Aug. 2007. (Poster)
• Devasthale A., A. Andersson, C. Klepp, S. Bakan and H. Grassl, Using synergy among satellite sensors to study cyclones, IUGG General Assembly, Perugia, Italy, July 2007. (Oral)
• Devasthale A., and H. Grassl, Spatio-temporal distribution of convective cloud classes from over India during monsoon, IUGG General Assembly, Perugia, Italy, July 2007. (Oral)
• Devasthale A., and H. Grassl, Do aerosols influence convective clouds over India? Second Aerosol Workshop, Bremen, Germany, June 2007. (poster)
• Devasthale A. and H. Grassl, Can orbital drift of satellites introduce spurious trends? An example of NOAA satellites, EGU General Assembly, Vienna, Austria, April 2007. (Poster)
• Devasthale A. and H. Grassl, Analysis of convective clouds over Indian subcontinent during southwest monsoon using 20 years of satellite data, AGU Fall Meeting, San Francisco, USA, Dec 2006. (Oral)
• Devasthale A. and H. Grassl, Impact of ship emissions on clouds properties, International conference on Transport, Atmosphere and Climate, Oxford, UK, June 2006. (Oral)
• Devasthale A. and H. Grassl, Pollution lifts clouds: indirect aerosol effect in the thermal spectral range, ISPRS Aerosol Workshop, Berlin, Germany, Feb 2006. (Poster)
• O. Krueger, Devasthale A. and H. Grassl, Indirect aerosol effects derived from long-term satellite data, EGU General Aseembly, Austria, April 2005. (Poster)
• Devasthale A., B. Krishna Mohan, and E.P. Rao, Evaluation of new JPEG-2000 compression standard for remote sensing applications, Symposium on Recent Advances in Remote Sensing and GIS Technologies for Natural Resources Management, CSRE, IIT Bombay, Mumbai, India, 5-7 Dec. 2001. (Oral)

Technical reports:

• Devasthale A. and H. Grassl (2006): Calibration and inter-calibration of the solar channels of AVHRR-s onboard NOAA-7, -9, -11, -14 and –16 satellites, and thermal channel stability analysis (prepared by University of Hamburg as a requirement for EU project QUANTIFY).
• Devasthale A. (2005): Aerosol indirect effect in the thermal spectral range as seen from satellites, Reports on Earth System Science (Berichte zur Erdsystemforschung) ISSN 1614-1199, Max Planck Institute for Meteorology, Hamburg, Germany.
• Devasthale A. (2002): JPEG-2000: a new image compression standard and its applications for remote sensing images, Indian Institute of Technology Bombay (IITB), Mumbai, India.

Invited talks:

• Intercalibration of AVHRRs and orbital drift of NOAA satellites: implications for cloud climatology, SMHI, Sweden, Feb 2008.
• Convective clouds over India during monsoon seen from 25-year satellite data, at Indian Institute of Tropical Meteorology (IITM) Pune, India, Jan 2007.
• Deriving cloud climatology from AVHRRs onboard NOAA satellites: few precautions and technical limitations, at DLR, Germany, 2006.
• Is there an indirect aerosol effect in the thermal spectral range? At Institut fuer Umweltphysik, University of Bremen, Germany, May 2006.

Last updated at 21:32 on 17/01/2009 by Abhay Devasthale.

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