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William Read

Photo of William Read

Address:

4800 Oak Grove Drive
M/S 183-701

Pasadena, CA 91109

Phone:

818.354.6773

Fax:

818.393.5065

Member of:

Stratosphere And Upper Troposphere

Education

  • A.B., Chemistry, Occidental College, Los Angeles, California (1979)
  • Ph.D., Chemistry, University of Illinois, Urbana, Illinois (1983)

Professional Experience

  • Jet Propulsion Laboratory (1983-Present)
    • Principal Scientist
    • EOS Microwave Limb Sounder co-investigator
    • UARS Microwave Limb Sounder co-investigator
    • NRC.NASA Resident Research Associate ship (1983-1985)

Research Interests

  • Developing the forward models for the Upper Atmospheric Research Satellite (UARS) Microwave Limb Sounder (MLS), the Earth Observing System (EOS) Aura satellite MLS and potential future MLS experiments.
  • Discovering new data products (examples from UARS MLS are sulfur dioxide from the Mt. Pinatubo eruption, nitric acid, and upper tropospheric/lower stratospheric water vapor).
  • Scientific analysis of MLS data to forward our understanding of climate change.
  • Collaborate with the international scientific community using MLS data.

Selected Awards

  • JPL Edward Stone Outstanding Research Publication for "UARS Microwave Limb Sounder upper tropospheric humidity measurement: Method and Validation," J. Geophys. Res., 106, pp. 32,207.32,258, 2001 (2002)
  • The NASA exceptional achievement Medal for obtaining important unplanned atmospheric measurements from the Microwave Limb Sounder on the Upper Atmosphere Research Satellite (1996)
  • NRC-NASA Resident Research Associateship award at the Jet Propulsion Laboratory (1983-1985)

Selected Publications

  1. M. L. Santee, A. Lambert, G;L.Manny, N. J. Livesy, L. Froidevaux, J. L. Neu, M. J. Schwartz, L. F. Millan, F. Werner, W.G. Read, M. Park, R. A. Park, and B. M. Ward. Prolonged and pervasive perturbations in the composition of the southern hemisphere midlatitude lower stratosphere from the Australian new year’s fires. Geophys. Rex. Lett., 49(4):doi:10.1029/2021gl1096270, 2022.
  2. N. Livesey, W. Read, L. Froidevaux, A. Lambert, M. Santee, M. Schwartz, L. Millan, R. Jarnot, P. Wagner, D. Hurst, K. Walker, P. Sheese, and G. Nedoluha. Investigation and amelioration of long-term instrumental drifts in water vapor and nitrous oxide measurements from the Aura Microwave Limb Sounder MLS and their implications for studies of variability and trends. Atmos. Chem. Phys., 21:15409—15430, doi:acp—21—15409—2021, 2021.
  3. M. J. Schwartz, M. L. Santee, H. C. Pumphrey, G. L. Manney, A. Lambert, N. J. Livesey, L. Millan, J. L. Neu, W. G. Read, and F. Werner. Australian new year’s PyroCb impact on stratospheric composition. Geophys. Res. Lett., 41(24):doi:10.1029/2020GL090831, 2020.
  4. F. Werner, M. J. Schwartz, N. J. Livesey, W. G. Read, and M. L. Santee. Extreme outliers in lower stratospheric water vapor over North America observed by MLS; relation to overshooting convection diagnosed from collocated Aqua-MODIS data. Geophys. Res. Lett. 47(24):doi:10.1029/2020GL090131, 2020.
  5. F. Khosrawi, S. Lossow, G. P. Stiller, K. H. Rosenlof, J. Urban, J. P. Burrows, R. P. Damadeo, P. Eriksson, M. Garcia-Comas, J. C. Gille, Y. Kasai, M. Kiefer, G. E. Nedoluha, S. Noel, P. Raspollina, W. G. Read, A. Rozanov, C. E. Sioris, K. A. Walker, and K. Weigel. The SPARC water vapour assessment II: Comparisons of stratospheric and lower mesospheric water vapour time series observed from satellites. Atmos. Meas. Tech., 11(7):4435—4463, doi:10.5194/amt—11—4435—2018, 2018.
  6. W. G. Read, L. K. Tamppari, N. J. Livesey, R. T. Clancy, F. Forget, P. Hartogh, S. C. R. Rafkin, and G. Chattopadhyay. Retrieval of wind, temperature, water vapor, and other trace constituents in the Martian atmosphere. Planet. Space Sci., 161:26—40, doi:10.1016/j.pss.2018.05.004, 2018.
  7. D. F. Hurst, W. G. Read, H. Vomel, H. B. Selkirk, K. H. Rosenlof, S. M. Davis, E. G. Hall A. F. Jordan, and S. J. Oltmans. Recent diverges in stratospheric water vapor measurements by frost point hygrometers and the Aura Microwave Limb Souder. Atmos. Meas. Tech., 9:4447—4457, doi:10.5194/amt—447—2016, 2016.
  8. J. H. Jiang, H. Su, C. Zhai, T. J. Shen, T. Wu, J. Zhang, J. Cole, K. von Salzen, L. J. Donner, C. Seman, A. D. Genio, L. S. Nazarenko, J. L. Dufresne, M. Watanabe, C. Morcrette, T. Koshiro, H. Kawai, A. Gettelman, L. Millan, W. G. Read, N. J. Livesey, Y. Kasai, and M. Shiotani. Evaluating the the diurnal cycle of upper tropospheric ice clouds in climate models using SMILES observations. J. Atmos. Sci., 72:10221044, doi:10.1175/JAS—D—14—01241.1, 2015.
  9. T. Flury, D. L. Wu, and W. G. Read. Variability in the speed of the Brewer-Dobson circulation as observed by Aura/MLS. Atmos. Chem. Phys., 13:4575,doi:10.5194/acp—13—4563—2013, 2013.
  10. L. Millan, W. Read, Y.Kasai, A. Lambert, N. Livesey, J. Mendrock, H. Sagawa, T. Sano, M. Shiotani, and D. Wu. SMILES ice cloud prdocuts. J. Geophys.Res. Atmos, 118:6477, doi:6468—6477, doi:10.1002/jgrd.50322, 2013.
  11. T. Flury, D. L. Wu, and W. G. Read, Correlation among cirrus ice content, water vapor and temperature in the TTL as observed by CALIPSO and Aura/MLS. Atmos. Chem. Phys., 12:683—691, doi:10.5194/acp—12—683—2012, 2012.
  12. W. G. Read, M. J. Schwartz, A. Lambert, H. Su, N. J. Livesey, W. H. Daffer, and C. D. Boone. The roles convection, extratropical mixing, and in-situ freeze-drying in the tropical tropopause layer. Atmos. Chem. Phys., 8:6051—6067, 2008.
  13. W. G. Read, J. Bacmeister, R. E. Cofield, D. T. Cuddy, W. H. Daffer, B. J. Drouin, E. Fetzer, L. Froidevaux, R. Fuller, R. Herman, R. F. Jarnot, J. H. Jiang, K. Kelly, B. W. Knosp, L. J. Koalenko, A. Lambert, R. Lay, N. J. Livesey, H.-C. Liu, M. Loo, G. L. Manney, D. Miller, B. J. Mills, H. M. Pickett, H. C. Pumphrey, K. H. Rosenlof, X. Sabounchi, M. L. Santee, M. J. Schwartz, W. V. Snyder, P. C. Stek, H. Su, L. L. Takacs, R. P. Thurstans, H. Vomel, P. A. Wagner, J. W. Waters, E. M. Weinstock, and D. L. Wu. EOS Aura Microwave Limb Sounder upper tropospheric and lower stratospheric humidity validation. J. Geophys. Res., 112:D24S35,doi:10.1029/2007JD008752, 2007.
  14. Su, H., W.G. Read, J.H. Jiang, J.W. Waters, D.L. Wu, E.J. Fetzer, "Enhanced positive water vapor feedback associated with tropical deep convection: New evidence from Aura MLS," Geophys. Res. Lett. 33, L05709, doi:10.1029/2005GL025505, 2006.
  15. Read, W.G., Z. Shippony, M.J. Schwartz, N.J. Livesey, W.V. Snyder, "The clear-sky unpolarized forward model for the EOS Microwave Limb Sounder (MLS)," IEEE Trans. Geosci. Remote Sensing 44, no. 5, 1367-1379, May 2006.
  16. M. L. Santee, G.L. Manney, N.J. Livesey, and W.G. Read. Three-dimensional structure and evolution of stratospheric HNO3 based on UARS Microwave Limb Sounder measurements. Submitted to J. Geophys. Res., 2004.
  17. D. L. Wu, W. G. Read, A. E. Dessler, S. C. Sherwood, and J. H. Jiang. UARS MLS cloud ice measurements and implications for h2o transport near the tropopause. Submitted to J. Atmos. Sci., 2004.
  18. W. G. Read, D. L. Wu, J. W. Waters, and H. C. Pumphrey. A new 147.56 hPa water vapor product from the UARS Microwave Limb Sounder. J. Geophys. Res., 109(D6):D06110,doi:10.1029/2003JD004366, 2004.
  19. W. G. Read, D. L. Wu, J. W. Waters, and H. C. Pumphrey. Dehydration in the tropical tropopause layer: Implications from the UARS Microwave Limb Sounder. J. Geophys. Res., 109(D6):D06110, doi:10.1029/2003JD004056, 2004.
  20. N. J. Livesey, M. D. Fromm, J. W. Waters, G. L .Manney, M. L. Santee, and W. G. Read. Enhancements in lower stratospheric CH3CN observed by the Upper Atmosphere Research Satellite Microwave Limb Sounder following boreal forest fires. J. Geophys. Res., 109(D6):D06308,doi:10.1029/2003JD004055, 2004.
  21. J. H. Jiang, B. Wang, K. Goya, K. Hocke, S. D. Eckermann, J. Ma, D. L. Wu, and W. G. Read. Geographical distribution and inter-seasonal variability of tropical deep convection: UARS MLS observations and analyses. J. Geophys. Res., 109(D3):D03111,doi:10.1029/2003JD003974, 2004.
  22. N. J. Livesey, W. G. Read, L. Froidevaux, J.W.Waters, H. C. Pumphrey, D. L.Wu, M. L. Santee, Z. Shippony, and R. F. Jarnot. The UARS Microwave Limb Sounder version 5 dataset: Theory, characterization and validation. J. Geophys. Res., 108(D13):4378, doi:10.1029/2002JD002273, 2003.
  23. M. F. Salby, F. Sassi, P. Callaghan, W. Read, and H. Pumphrey. Fluctuations of cloud, humidity, and thermal structure near the tropical tropopause. J. Climate, 16(21):3428.3446, 2003.
  24. Z. Shippony and W. G. Read. A correction to a highly accurate Voigt function algorithm. J. Quant. Spectrosc. Radiat. Transfer, 78(2), 2003.
  25. D. L.Wu, W. G. Read, Z. Shippony, T. Leblanc, T. J. Duck, D. A. Ortland, R. J. Seca, P. S. Argall, J. Oberheide, A. Hauchecorne, P. Keckhut, C.Y. She, and D.A. Krueger. Mesospheric emperature from UARS MLS: Retrieval and validation. J. Atmos. Solar-Terr. Phys., 5(2):245.267, 2003.
  26. D. Offerman, B. Schaeler, M. Riese, M. Langfermann, M. Jarisch, G. Eidmann, C. Schiller, H. G. J. Smit, and W. G. Read. Water vapor at the tropopause during the CRISTA 2 mission. J. Geophys. Res., 107(D23):8176, doi:10.1029/2001JD000700, 2002.
  27. F. Sassi, M. Salby, H. C. Pumphrey, and W. G. Read. Influence of the Madden-Julian Oscillation on upper tropospheric humidity. J. Geophys. Res., 107(D23):4681, doi:10.1029/2001JD001331, 2002.
  28. A. Gettelman, W. J. Randel, S. Massie, F. Wu, W. G. Read, and J. M. Russell III. El-Ni.no as a natural experiment for studying the tropical tropopause region. J. Climate, 14:3375.3392, 2001.
  29. N. J. Livesey, J.W.Waters, R. Khosravi, G. P. Brasseur, G. S. Tyndall, and W. G. Read. Stratospheric CH3CN from the UARS Microwave Limb Sounder. Geophys. Res. Lett., 28:779.782, 2001.
  30. W. G. Read, J. W. Waters, D. L.Wu, E. M. Stone, Z. Shippony, A. C. Smedley, C. C. Smallcomb, S. Oltmans, D. Kley, H. G. J. Smit, J. Mergenthaler, and M. K. Karki. UARS MLS upper tropospheric humidity measurement: Method and validation. J. Geophys. Res., 106(D23):32,207.32,258, 2001.
  31. F. Sassi, M. Salby, and W. G. Read. Relationship between upper-tropospheric humidity and deep convection. J. Geophys. Res., 106(D15):17,133.17,146, 2001.

Projects

MLS - Microwave Limb Sounder