Sciences and Exploration Directorate

Alfonso Delgado-Bonal



Org Code: 613

Mail Code: 613
Greenbelt, MD 20771



Associate Scientist

Universities Space Research Association (USRA) GESTAR Program - NASA Goddard Space Flight Center, Greenbelt, MD

February 2020 - Present

Postdoctoral Fellow

NASA - Goddard Space Flight Center, Greenbelt MD

February 2018 - February 2020

Postdoctoral Fellow

Spanish Research Council (CSIC) - Andalusian Institute of Earth Sciences, Granada, Spain

January 2016 - November 2016


Bachelor of Laws (LL.B.) - International University of La Rioja (2020)

Bachelor in Economics - Spanish Open University (2018)

Ph.D. in Theoretical Physics - University of Salamanca (2015)

M.Sc. in Astronomy and Astrophysics - International University of Valencia (2013)

M.Sc. in Space Science and Technology - University of Alcalá (2011)

Licenciatura in Physics (5-year degree) - University of Salamanca (2010)


NASA Best First Author Paper - Goddard Climate and Radiation laboratory (2021)

NASA Scientific Achievement Award - Goddard Climate and Radiation laboratory (2020)

Best college thesis in economics - Spanish School of Economics in Madrid (2019)

Extraordinary Thesis Award in the courses 2015-2017 - Best PhD thesis work in Physics, University of Salamanca (2018)

NASA Postdoctoral Fellowship Award - NASA Goddard Space Flight Center (2017)

"Professor Garmendia" Award - Best science PhD, University of Salamanca (2016)

Fundación Iberdrola “Energy Award” - Postdoctoral Fellowship - National program, Spain (2015)



Delgado-Bonal, A., A. Marshak, Y. Yang, and L. Oreopoulos. 2022. Cloud Height Daytime Variability From DSCOVR/EPIC and GOES-R/ABI Observations Frontiers in Remote Sensing 3 [10.3389/frsen.2022.780243]

Marshak, A., A. Delgado-Bonal, and Y. Knyazikhin. 2021. Effect of Scattering Angle on Earth Reflectance Frontiers in Remote Sensing 2 [10.3389/frsen.2021.719610]

Delgado‐Bonal, A., A. Marshak, Y. Yang, and L. Oreopoulos. 2021. Global daytime variability of clouds from DSCOVR/EPIC observations Geophysical Research Letters 48 [10.1029/2020gl091511]

Delgado-Bonal, A., and Á. G. López. 2021. Quantifying the randomness of the forex market Physica A: Statistical Mechanics and its Applications 569 125770 [10.1016/j.physa.2021.125770]

Delgado‐Bonal, A., A. Marshak, Y. Yang, and L. Oreopoulos. 2020. Daytime Variability of Cloud Fraction From DSCOVR/EPIC Observations Journal of Geophysical Research: Atmospheres 125 (10): [10.1029/2019jd031488]

Delgado-Bonal, A. 2020. On the use of complexity algorithms: a cautionary lesson from climate research Scientific Reports 10 (1): 5092 [10.1038/s41598-020-61731-7]

Delgado-Bonal, A., A. Marshak, Y. Yang, and D. Holdaway. 2020. Analyzing changes in the complexity of climate in the last four decades using MERRA-2 radiation data Scientific Reports 10 (1): 922 [10.1038/s41598-020-57917-8]

Delgado-Bonal, A. 2019. Quantifying the randomness of the stock markets Scientific Reports 9 (1): 12761 [10.1038/s41598-019-49320-9]

Delgado-Bonal, A., and A. Marshak. 2019. Approximate Entropy and Sample Entropy: A Comprehensive Tutorial Entropy 21 (6): 541 [10.3390/e21060541]

Delgado-Bonal, A. 2017. Entropy of radiation: the unseen side of light Scientific Reports 7 (1): 1642 [10.1038/s41598-017-01622-6]

Delgado-Bonal, A., and J. Martín-Torres. 2016. Human vision is determined based on information theory Scientific Reports 6 (1): 36038 [10.1038/srep36038]

Delgado-Bonal, A., M.-P. Zorzano, and F. J. Martín-Torres. 2016. Martian Top of the Atmosphere 10–420 nm spectral irradiance database and forecast for solar cycle 24 Solar Energy 134 228-235 [10.1016/j.solener.2016.05.004]

Delgado-Bonal, A., F. J. Martín-Torres, S. Vázquez-Martín, and M.-P. Zorzano. 2016. Solar and wind exergy potentials for Mars Energy 102 550-558 [10.1016/]

Delgado-Bonal, A., and F. J. Martín-Torres. 2015. Solar cell temperature on Mars Solar Energy 118 74-79 [10.1016/j.solener.2015.04.035]

Delgado-Bonal, A., and F. Martín-Torres. 2015. Evaluation of the Atmospheric Chemical Entropy Production of Mars Entropy 17 (12): 5047-5062 [10.3390/e17075047]

Delgado-Bonal, A., and F. J. Martín-Torres. 2013. A Mathematic Approach to Nitrogen Fixation Through Earth History The Early Evolution of the Atmospheres of Terrestrial Planets 23-31 [10.1007/978-1-4614-5191-4_3]