Committee Membership Information

Study Title:

Evaluating NOAA's Plan to Mitigate the Loss of Total Solar Irradiance Measurements from Space

Study Director:


Dr. Graeme L. Stephens - (Chair)
Jet Propulsion Laboratory

Dr. Stephens is currently the Director of the Center for Climate Sciences at the Jet Propulsion Laboratory at the California Institute of Technology. Dr. Stephens completed his B.S. with honors from the University of Melbourne in 1973 and received his Ph.D. in 1977 from the same university. He was appointed to the CSIRO Division of Atmospheric Research in 1977 as a Research Scientist and promoted to Senior Research Scientist in 1982. From 1979 to 1980, Professor Stephens served as a Post-Doctoral Research Student at the CSU Department of Atmospheric Science. He joined the faculty as an Associate Professor in 1984 at CSU in the Department of Atmospheric Science, was promoted to full professor in 1991 and was appointed as a University Distinguished Professor in 2005. Dr. Stephens' research activities focus on atmospheric radiation including the application of remote sensing in climate research to understand the role of hydrological processes in climate change. He also serves as the Primary Investigator (PI) of the NASA CloudSat Mission. In 2008 he was appointed as Direct of the NOAA Co-operative Institute for Research in the Atmosphere (CIRA) and has served as chairman of a number of national and international panels.


Dr. Charles M. Ichoku
NASA Goddard Space Flight Center

Dr. Charles Ichoku is a Research Physical Scientist at NASA Goddard Space Flight Center in Greenbelt, Maryland. He earned his B.Sc. Degree in Surveying, Geodesy, and Photogrammetry, and his M.Sc. in Photogrammetry and Remote Sensing from the University of Nigeria, Enugu Campus. Dr. Ichoku completed his doctoral studies in France at the Universit� Pierre et Marie Curie (UPMC), Paris, where he received a Dipl�me d'Etudes Sup�rieures Sp�cialis�es (DESS) degree in Remote Sensing and a Ph.D. in Earth Sciences, in 1989 and 1993, respectively. Dr. Ichoku's activities over the years have included developing and applying both experimental and remote sensing approaches to research in various branches of the earth and atmospheric sciences. Currently, he is actively involved in the development of innovative remote sensing techniques for global characterization of fires, their smoke emissions, and atmospheric aerosols in general, as well as evaluating their impacts on the environment and climate. He has won several NASA individual and group achievement awards, and has published more than 40 papers in peer-reviewed scientific journals. In addition to leading several research projects, he has also served in various program-type leadership roles, including research Program Management at NASA Headquarters (2009 ? 2011). Dr. Ichoku is currently serving as the Deputy Project Scientist of the Total and Spectral Solar Irradiance Sensors (TSIS) to be launched aboard the NASA/NOAA Joint Polar Satellite System?s (JPSS) Free Flyer Mission.


Dr. John W. Harvey
National Solar Observatory

Dr. Harvey is an Astronomer at the National Solar Observatory in Tucson, Arizona. He received his M.A. in Astronomy from the University of California in 1964 and his Ph.D. in Astro-Geophysics from the University of Colorado in 1969. Dr. Harvey?s main research interests include helioseismology, polarimetry, magnetic fields, and the solar cycle. In 1999, he received the George Ellery Hale Prize, an award that is given annually by the Solar Physics Division of the American Astronomical Soicety for outstanding contributions to the field of solar astronomy. In 2011, he was awarded the Arctowski Medal by the National Academy of Sciences for studies in solar physics and solar-terrestrial relationships. Dr. Harvey is a member of the American Astronomical Society, the American Geophysical Union, the Committee on Space Research, the International Astronomical Union, and the Institute of Electrical and Electronic Engineers. During his career, he has also served on several panels and committees at The National Academies, including most recently, the NRC?s Panel on Solar and Heliospheric Physics.


Dr. Joanna D. Haigh
Imperial College London

Dr. Haigh is a Professor of Atmospheric Physics and Department Head in the Faculty of Natural Sciences at Imperial College London. Dr. Haigh completed her M.Sc. at Imperial College London and received her D.Phil. from the University of Oxford. She has published widely in the area of radiative transfer in the atmosphere, climate modelling and radiative forcing of climate change. Professor Haigh is President of the Royal Meteorological Society and Editor of the Journal of Atmospheric Sciences, she was a Lead Author of the Intergovernmental Panel on Climate Change Third Assessment and has served on many UK and international scientific panels. She is a Fellow of the Institute of Physics and of the Royal Meteorological Society; she received the 2004 Institute of Physics Charles Chree Medal and Prize and the Royal Meteorological Society 2010 Adrian Gill Prize for her work on the influence of solar irradiance variability on climate.


Dr. Joseph Rice
National Institute of Standards and Technology

Dr. Rice performs research and develops novel systems for electro-optical instrument calibration, validation, and performance evaluation at the National Institute of Standards and Technology (NIST). These systems have included a NIST primary standard facility for optical power responsivity measurements and portable radiometers for transferring NIST radiometric scales to other calibration facilities. Currently he is leading the NIST efforts in development of the Hyperspectral Image Projector (HIP), and he serves as the Group Leader of the Infrared Technology Group in the Sensor Science Division at NIST. Dr. Rice is a member of the Optical Society of America (OSA), the Society of Photo-Optical Instrumentation Engineers (SPIE), the Council for the Optical Radiation Measurements (CORM), and the American Geophysical Union (AGU). He was the recipient of a NIST Bronze Medal in 2004 for developing the Thermal-infrared Transfer Radiometer (TXR), a NIST Bronze Medal in 2011 for developing the HIP, and a Department of Commerce Gold Medal in 2012 for leading the NIST contributions toward understanding sources of differences in absolute measurements reported by different Total Solar Irradiance (TSI) satellite instruments. Dr. Rice was also awarded a National Research Council Post-doctoral Research Associateship in 1992.


Dr. William L. Smith
Hampton University

Dr. Smith is a Distinguished Professor of the Department of Atmospheric and Planetary Sciences at the Hampton University, Hampton Virginia and Professor Emeritus of the Department of Atmospheric and Oceanic Sciences at the University of Wisconsin ? Madison. Professor Smith was the Principal Investigator of several satellite programs for NOAA (1966-1984), Professor of Atmospheric and Oceanic Sciences at the University of Wisconsin-Madison (1984-1997) where he also directed the Cooperative Institute for Meteorological Satellite Studies (CIMSS) and subsequently the positions of Chief, Atmospheric Sciences Division, and Senior Scientist at the NASA?s Langley Research Center (1997-2004). Dr. Smith is an active satellite and airborne experimentalist. Most notably, Dr. Smith pioneered the hyper-spectral resolution sounding technique that is being used for current and future polar satellite advanced infrared sounding systems (e.g., the Aqua/AIRS, MetOp/IASI, and NPP/NPOESS CrIS). Dr. Smith has published more than 150 papers in the scientific literature and has contributed to books used for scientific research and teaching. Dr. Smith has received numerous awards for his research accomplishments in the field of atmospheric science.


Dr. Bruce Wielicki
NASA Langley Research Center

Dr. Bruce Wielicki is a Senior Scientist for Radiation Sciences and Science Directorate at NASA Langley Research Center. He currently serves as Science Team lead for the CLARREO (Climate Absolute Radiance and Refractivity Observatory) decadal survey mission. He served as Principal-Investigator on the CERES Investigation for 18 years, and as a Co-Investigator on the NASA Cloudsat and Cloud-Aerosol Lidar and Infrared Pathfinder Satellite. For over twenty years, Dr. Wielicki?s research has focused on clouds and their role in the Earth?s radiative energy balance. Specific research interests include the following: remote sensing of single and multiple cloud layer properties from multispectral imagery; validation of remotely-sensed cloud properties; effect of clouds on the Earth?s radiation budget; and cloud radiative transfer modeling. Dr. Wielicki received his B.S. degree in Applied Math and Engineering Physics from the University of Wisconsin - Madison in 1974 and his Ph.D. degree in Physical Oceanography from Scripps Institution of Oceanography in 1980. He received a NASA Exceptional Scientific Achievement Award in 1992 and the Henry G. Houghton Award from the American Meteorological Society in 1995.


Dr. Kuo-Nan Liou
University of California, Los Angeles

Professor Kuo-Nan Liou received his B.S. degree from National Taiwan University in 1970 and his Ph.D. in Meteorology and Oceanography in the School of Engineering from New York University in 1970. After a postdoctoral research associate position at the Goddard Institute for Space Studies/Columbia University and a research faculty position at the University of Washington, Dr. Liou subsequently become an Associate Professor at the University of Utah in 1975 and was promoted to Full Professor in 1980. He served as Director of the Center for Atmospheric and Remote Sensing Studies from 1987-1997 and Chair of the Meteorology Department from 1996-1997. Dr. Liou joined UCLA in 1997 and served as Chair of the Atmospheric and Oceanic Sciences Department from 2000-2004. He is currently a Distinguished Professor of Atmospheric Sciences and, since 2006, Director of the Joint Institute for Regional Earth System Science and Engineering. Professor Liou has held joint appointments with the Mechanical and Aerospace Engineering Department since 2003 and the Electrical Engineering Department since 2010. Dr. Liou was elected to the National Academy of Engineering (NAE) in 1999 for contributions in the theories of radiation transfer and light scattering, with applications to remote sensing technology and climate modeling. He was Chair of the NAE?s Special Fields and Interdisciplinary Engineering Section from 2008-2010 and is currently a member of its Nominating Committee. Dr. Liou has served NRC on numerous occasions as a Report Review Monitor and Coorinator. His current research interests include electromagnetic scattering by ice crystals and aerosols, satellite remote sensing, radiative transfer, and climate modeling. Specifically, his research activities span from regional climate modeling and validation using satellite data to direct and indirect effects of aerosols on cloud radiative forcing and snow-albedo feedback, radiative transfer in 3D mountains and surface energy balance in climate models, and laboratory light scattering and spectroscopy involving small ice crystals and aerosols.