Jay R Herman
(RESEARCH SCIENTIST)
| Email: | jay.r.herman@nasa.gov |
| Phone: | 301.614.6039 |
| Org Code: | |
| Address: |
NASA/GSFC Mail Code 614 Greenbelt, MD 20771 |
| Employer: | UNIVERSITY OF MARYLAND BALTIMORE CO |
Brief Bio
Ion chemistry, earth ionosphere, planetary ionospheres, radio wave propagation in plasmas, stratospheric chemistry and modeling, radiative transfer, atmospheric spectroscopy, uv solar flux measurements, ozone inversion algorithms, and long-term ozone trend analysis, volcanic aerosols, tropospheric trace gas detection, physical oceanography, satellite instruments.
Education:
1959 - B.S. - Physics, with minor in mathematics, (obtained with high honor) Clarkson College, Potsdam, New York
1963 - M.S. - Physics, Penn. State Univ., State College, PA
1965 - Ph.D. - Physics, Penn. State Univ., State College, PA
Present Position:
Joint Center for Earth System Technology 2009 - Present
University of Maryland, Baltimore
EPIC Instrument Scientist DSCOVR Mission 2009 - Present
Pandora Project for UV, Aerosols and Trace Gases 2007 - Present
MEASURES Long-term reflectivity project 2007 - 2012
Previous Position:
NASA GSFC 1965 - 2009
Principal Investigator for MEASURES Long-term reflectivity project
Principal Investigator for FM-5 TOMS Project
Principal Investigator for TOMS/Meteor Project
Principal Investigator Atmos. Chem. Model
1960 - 1961 Solid State Devices Engineer, I.B.M., Poughkeepsie, New York
1965 - 1967 National Academy of Sciences Research Associate
1967 - 1970 NASA/GSFC, Ionospheric Physics
1970 - 1975 NASA/GSFC, Planetary Atmospheres, Radiative Transfer
1976 - 1986 NASA/GSFC, Principal Investigator, Stratospheric photochemical modeling and physics.
Solar UV Data Analysis and Solar Spectroscopy
1986 - 1990 NASA/GSFC TOMS/SBUV Ozone Data Analysis and TOMS Recalibration
1991 - TOMS Lead Scientist for Data Acquisition and Analysis.
Publications: 71 out of 160 Refereed Publications
Selected Publications
Refereed
2021. "UVB (290–315 nm) inactivation of the SARS CoV-2 virus as a function of the standard UV index.", Air Quality, Atmosphere & Health, [10.1007/s11869-021-01099-3] [Journal Article/Letter]
2021. "Comprehensive evaluations of diurnal NO2 measurements during DISCOVER-AQ 2011: effects of resolution-dependent representation of NO<sub><i>x</i></sub> emissions.", Atmospheric Chemistry and Physics, 21 (14): 11133-11160 [10.5194/acp-21-11133-2021] [Journal Article/Letter]
2020. "Global distribution and 14-year changes in erythemal irradiance, UV atmospheric transmission, and total column ozone for2005–2018 estimated from OMI and EPIC observations.", Atmospheric Chemistry and Physics, 20 (14): 8351-8380 [10.5194/acp-20-8351-2020] [Journal Article/Letter]
2020. "Assessment of NO2; observations during DISCOVER-AQ and KORUS-AQ field campaigns.", Atmospheric Measurement Techniques, 13 (5): 2523-2546 [10.5194/amt-13-2523-2020] [Journal Article/Letter]
2020. "The SMART‐s Trace Gas and Aerosol Inversions: I. Algorithm Theoretical Basis for Column Property Retrievals.", Journal of Geophysical Research: Atmospheres, 125 (7): [10.1029/2019jd032088] [Journal Article/Letter]
2019. "New Era of Air Quality Monitoring from Space: Geostationary Environment Monitoring Spectrometer (GEMS).", Bulletin of the American Meteorological Society, 101 (1): E1-E22 [10.1175/bams-d-18-0013.1] [Journal Article/Letter]
2018. "Atmospheric Trace Gas (NO2 and O3) Variability in South Korean Coastal Waters, and Implications for Remote Sensing of Coastal Ocean Color Dynamics.", Remote Sensing, 10 (10): 1587 [10.3390/rs10101587] [Journal Article/Letter]
2018. "Reduction in 317–780 nm radiance reflected from the sunlit Earth during the eclipse of 21 August 2017.", Atmospheric Measurement Techniques, 11 (7): 4373-4388 [10.5194/amt-11-4373-2018] [Journal Article/Letter]
2016. "Comparison of OMI NO2 observations and their seasonal andweekly cycles with ground-based measurements in Helsinki.", Atmospheric Measurement Techniques, 9 (10): 5203-5212 [10.5194/amt-9-5203-2016] [Journal Article/Letter]
2015. "Shortwave TOA cloud radiative forcing derived from a long-term (1980-present) record of satellite UV reflectivity and CERES measurements.", J. Climate, 28 (23): 9473-9488 [10.1175/jcli-d-14-00551.1] [Journal Article/Letter]
2015. "Comparison of ozone retrievals from the Pandora spectrometer system and Dobson spectrophotometer in Boulder, Colorado .", Atmos. Meas. Tech., 8 3407-3418 [10.5194/amt-8-3407-2015] [Journal Article/Letter]
2015. "Ground-based direct-sun DOAS and airborne MAX-DOAS measurements of the collision-induced oxygen complex, O2O2, absorption with significant pressure and temperature differences.", Atmospheric Measurement Techniques, 8 (2): 793-809 [10.5194/amt-8-793-2015] [Journal Article/Letter]
2014. "Evaluation of OMI operational standard NO2 column retrievals using in situ and surface-based NO2 observations.", Atmos. Chem. Phys., 14 11,587-11,609 [10.5194/acp-14-11587-2014] [Journal Article/Letter]
2014. "Relationship between column-density and surface mixing ratio: Statistical analysis of O3 and NO2 data from the July 2011 Maryland DISCOVER-AQ mission.", Atmospheric Environment, 92 429-441 [10.1016/j.atmosenv.2014.04.041] [Journal Article/Letter]
2014. "Spectral derivative analysis of solar spectroradiometric measurements: Theoretical basis.", J. Geophys. Res. Atmos., 119 (14): 8908–8924 [10.1002/2013JD021423] [Journal Article/Letter]
2013. "A method of retrieving cloud top height and cloud geometrical thickness with oxygen A and B bands for the Deep Space Climate Observatory (DSCOVR) mission: Radiative transfer simulations.", Journal of Quantitative Spectroscopy and Radiative Transfer, 122 141-149 [10.1016/j.jqsrt.2012.09.017] [Journal Article/Letter]
2013. "Spatial and temporal variability of ozone and nitrogen dioxide over a major urban estuarine ecosystem.", Journal of Atmospheric Chemistry, 1-23 [10.1007/s10874-013-9255-8] [Journal Article/Letter]
2013. "Effects of local meteorology and aerosols on ozone and nitrogen dioxide retrievals from OMI and pandora spectrometers in Maryland, USA during DISCOVER-AQ 2011.", Journal of Atmospheric Chemistry, open access 1-28 [10.1007/s10874-013-9254-9] [Journal Article/Letter]
2012. "The United States' Next Generation of Atmospheric Composition and Coastal Ecosystem Measurements: NASA's Geostationary Coastal and Air Pollution Events (GEO-CAPE) Mission.", Bulletin of the American Meteorological Society, 93 (10): 1547-1566 [Full Text] [10.1175/BAMS-D-11-00201.1] [Journal Article/Letter]
2010. "Global increase in UV irradiance during the past 30 years (1979–2008) estimated from satellite data.", J Geophys Res, 115 (D4): D04203 [10.1029/2009JD012219] [Journal Article/Letter]
2009. "Ozone and UV: Where are we now?.", Skin Canc. Found. J., XXVII 38-42 [Journal Article/Letter]
2009. "Balloon exoplanet nulling interferometer (BENI).", Proc. SPIE 7440, Techniques and Instrumentation for Detection of Exoplanets IV, 7440 74401A [Full Text] [10.1117/12.827411] [Journal Article/Letter]
2009. "NO2 column amounts from ground-based Pandora and MFDOAS spectrometers using the direct-sun DOAS technique: Intercomparisons and application to OMI validation.", J. Geophys. Res., 114 (D13): D13307 [10.1029/2009JD011848] [Journal Article/Letter]
2009. "Changes in cloud and aerosol cover (1980–2006) from reflectivity time series using SeaWiFS, N7-TOMS, EP-TOMS, SBUV-2, and OMI radiance data.", J. Geophys. Res., 114 (D1): D01201 [10.1029/2007JD009508] [Journal Article/Letter]
2008. "A new technique for retrieval of tropospheric and stratospheric ozone profiles using sky radiance measurements at multiple view angles: Application to a Brewer spectrometer.", Journal of Geophysical Research – Atmospheres, 113 (D6): D06304 [10.1029/2007JD009093] [Journal Article/Letter]
2008. "Validation of OMI tropospheric NO₂ column densities using direct-Sun mode Brewer measurements at NASA Goddard Space Flight Center.", J. Geophys. Res., 113 (D16): D16S45 [10.1029/2007JD008988] [Journal Article/Letter]
2008. "Validation of Ozone Monitoring Instrument nitrogen dioxide columns.", J. Geophys. Res., 113 (D15): D15S15 [10.1029/2007JD008908] [Journal Article/Letter]
2007. "Validation of daily erythemal doses from Ozone Monitoring Instrument with ground-based UV measurement data.", Journal of Geophysical Research, 112 (D24): D24S44 [10.1029/2007jd008830] [Journal Article/Letter]
2007. "Total ozone mapping spectrometer retrievals of noon erythemal-CIE ultraviolet irradiance compared with Brewer ground-based measurements at El Arenosillo (southwestern Spain).", Journal of Geophysical Research, 112 (D11): D11206 [10.1029/2006jd007254] [Journal Article/Letter]
2007. "Remote sensing reflectance and inherent optical properties in the mid Chesapeake Bay.", Estuarine , Coastal and Shelf Science, 72 (1-2): 16-32 [Full Text] [10.1016/j.ecss.2006.09.018] [Journal Article/Letter]
2007. "Total ozone mapping spectrometer retrievals of noon erythermal-CIE ultraviolet irradiance compared with Brewer ground-based measurements at E1 Arenosillo (southwestern Spain).", J Geopohys Res, 112 D11206 [Journal Article/Letter]
2007. "Atmospheric correction for NO2 absorption in retrieving water-leaving reflectances from the SeaWiFS and MODIS measurements.", Applied Optics, 46 (26): 6504 [10.1364/AO.46.006504] [Journal Article/Letter]
2006. "Comparison of satellite-derived UV irradiances with ground-based measurements at four European stations.", J Geophys Res, 111 D13207 [10.1029/2005JD006672] [Journal Article/Letter]
2006. "Correction of direct irradiance measurements of Brewer spectrophotometers due to the effect of internal polarization.", Geophys Res Lett, 33 (L02806): [10.1029/2005GL024860] [Journal Article/Letter]
2006. "Measurements of nitrogen dioxide total column amounts using a Brewer double spectrophotometer in direct Sun mode.", Journal of Geophysical Research, 111 (D5): D05304 [10.1029/2005jd006585] [Journal Article/Letter]
2006. "Deep Blue Retrievals of Asian Aerosol Properties During ACE-Asia.", IEEE Trans. Geosci. Remote Sensing, 44 (11): 3180-3195 [10.1109/TGRS.2006.879540] [Journal Article/Letter]
2006. "Measurements of Nitrogen Dioxide Total Column Amounts Using a Brewer Spectrometer in Direct Sun Mode.", J Geophys Res, 111 D05304 [Journal Article/Letter]
2006. "Surface Ultraviolet Irradiance from OMI.", IEEE Trans on Geosc And Remote Sensing, 44 (5): IGRSD2 1267-1271 [Journal Article/Letter]
2006. "Bio-optics of the Chesapeake Bay from measurements and radiative transfer closure.", Estuarine, Coastal and Shelf Science, 68 (1-2): 348-362 [10.1016/j.ecss.2006.02.016] [Journal Article/Letter]
2006. "Remote Sensing Reflectance and Inherent Optical Properties in the Mid Chesapeake Bay.", Estuarine, Coastal, and Shelf Science, (doi:101016/jecss2): [Journal Article/Letter]
2005. "Aerosol ultraviolet absorption experiment (2002 to 2004), part 1: ultraviolet multifilter rotating shadowband radiometer calibration and intercomparison with CIMEL sunphotometers.", Opt Eng, 44 (4): 041004-1 - 041004-17 [10.1117/1.1886818] [Journal Article/Letter]
2005. "Assessment of TOMS UV bias due to absorbing aerosols.", Journal of Geophysical Research, 110 (D23): D23211 [10.1029/2005jd005913] [Journal Article/Letter]
2005. "Assessment of the ultraviolet radiation field in ocean waters from space-based measurements and full radiative-transfer calculations.", Appl Optics, 44 (14): 2863-2869 [10.1364/AO.44.002863] [Journal Article/Letter]
2005. "Comparison of ground-based and Total Ozone Mapping Spectrometer erythemal UV doses at the island of Lampedusa in the period 1998–2003: Role of tropospheric aerosols.", J. Geophys. Res., 110 (D1): D01202 [10.1029/2004JD005283] [Journal Article/Letter]
2005. "The Indian summer monsoon rainfall: interplay of coupled dynamics, radiation and cloud microphysics.", Atmos. Chem. Phys., 5 (8): 2181-2188 [10.5194/acp-5-2181-2005] [Journal Article/Letter]
2005. "Aerosol ultraviolet absorption experiment (2002 to 2004), part 2: absorption optical thickness, refractive index, and single scattering albedo.", Opt Eng, 44 (4): 041005-1 - 041005-17 [10.1117/1.1886819] [Journal Article/Letter]
2005. "Assessment of TOMS UV bias due to absorbing aerosols.", J. Geophys. Res., 110 (D23): D23211 [10.1029/2005JD005913] [Journal Article/Letter]
2005. "Low/medium density biomass, coastal and ocean carbon: a carbon cycle mission.", Acta Astro, 56 25-34 [Journal Article/Letter]
2005. "Pyro-cumulonimbus injection of smoke to the stratosphere: Observations and impact of a super blowup in northwestern Canada on 3–4 August 1998.", J. Geophys. Res., 110 (D8): D08205 [10.1029/2004JD005350] [Journal Article/Letter]
2004. "Aerosol properties over bright-reflecting source regions.", IEEE Trans Geosci Remote Sens, 42 (3): 557-569 [10.1109/TGRS.2004.824067] [Journal Article/Letter]
2004. "Solar viewing interferometer prototype.", Proc. SPIE 5487, Optical, Infrared, and Millimeter Space Telescopes, 5487 1181 [Full Text] [10.1117/12.552237] [Journal Article/Letter]
2003. "Radiative impacts from biomass burning in the presence of clouds during boreal spring in southeast Asia.", Geophys. Res. Lett, 30 (5): 1224 [10.1029/2002GL016485] [Journal Article/Letter]
2002. "A long term record of aerosol optical depth from TOMS observations and comparison to AERONET measurements.", J. Atm. Sci., 59 (3): 398-413 [10.1175/1520-0469(2002)059<0398:ALTROA>2.0.CO;2] [Journal Article/Letter]
2002. "Aerosol properties from EP-TOMS near UV observations.", Adv. Space Res., 29 1771-1780. [Journal Article/Letter]
2002. "Version 2 total ozone mapping spectrometer ultraviolet algorithm: problems and enhancements.", Optical Engineering, 41 (12): 3028-3039 [10.1117/1.1519541] [Journal Article/Letter]
2002. "Problems in assessment of the UV penetration into natural waters from space-based measurements.", Optical Engineering, 41 3019-3027 [Journal Article/Letter]
2001. "Tropical Tropospheric Ozone and Biomass Burning.", Science, 291 (5511): 2128-2132 [10.1126/science.291.5511.2128] [Journal Article/Letter]
2001. "A note on the interannual variations of UV-B erythemal doses and solar irradiance from ground-based and satellite observations.", Annales Geophysicae, 19 115-120 [10.5194/angeo-19-115-2001] [Journal Article/Letter]
2001. "A fast, accurate algorithm to account for non-Lambertian surface effects on TOA radiance.", J. Geophys. Res., 106 (D19): 22,671-22,684 [10.1029/2001JD900215] [Journal Article/Letter]
2000. "Detecting the Recovery of Total Column Ozone.", J. Geophys. Res., 105 (D17): 22201-22210 [10.1029/2000JD900063] [Journal Article/Letter]
2000. "Determination of radiative forcing of Saharan dust using combined TOMS and ERBE data.", J Geophys Res, 105 (D16): 20649-20661 [10.1029/2000JD900150] [Journal Article/Letter]
2000. "Aerosol Detection by TOMS and POLDER over oceanic regions.", J. Geophys. Res., 105 (D6): 7133-7142 [10.1029/1999JD901048] [Journal Article/Letter]
2000. "The impact of greenhouse gases and halogenated species on future solar UV radiation doses.", Geophys Res Lett, 27 (8): 1127-1130 [10.1029/1999GL010886] [Journal Article/Letter]
2000. "Response of the climatic temperature to dust forcing inferred from Total Ozone Mapping Spectrometer (TOMS) Aerosol Index and the NASA assimilation model.", Atmos Res, 53 3-14 [Journal Article/Letter]
1999. "Comparisons of the TOMS aerosol index and the Sun-photometer aerosol optical thickness: Results and applications.", J. Geophys. Res., 104 (D6): 6269-6279 [10.1029/1998JD200086] [Journal Article/Letter]
1999. "Nimbus-7/TOMS detection of mineral dust over the north Africa and the eastern north Atlantic Ocean.", J. Geophys. Res., 104 9277-9291. [Journal Article/Letter]
1999. "Satellite detection of smoke aerosols over a snow/ice surface by TOMS.", Geophy. Res. Lett., 26 1165-1168. [Journal Article/Letter]
1998. "Derivation of aerosol properties from satellite measurements of backscattered ultraviolet radiation. Theoretical basis.", J Geophys Res, 103 (D14): 17099-17110 [10.1029/98JD00900] [Journal Article/Letter]
1997. "The Meteor 3/total ozone mapping spectrometer version 7 dataset: Calibration and analysis .", Journal of Geophysical Research - Atmospheres, 102 (D15): 19247-19256 [Journal Article/Letter]
1997. "Detection of volcanic ash clouds from Nimbus-7/Total Ozone Mapping Spectrometer.", J. Geophys. Res., 102 (D14): 16749-16760 [10.1029/97JD00925] [Journal Article/Letter]
1997. "Global distribution of UV-absorbing aerosols from Nimbus-7/TOMS data.", J. Geophys. Res., 102 16911-16921. [Journal Article/Letter]
1996. "Detection of biomass burning smoke from TOMS measurements.", Geophy. Res. Lett., 23 (7): 745-748 [10.1029/96GL00455] [Journal Article/Letter]
1996. "UV-B increases (1979-1992) from decrease in total ozone.", Geophys Res Lett, 23 21107-21120 [Journal Article/Letter]
1995. "Properties of Mt. Pinatubo Aerosols as derived from Nimbus 7 TOMS measurements.", J. Geophys. Res., 100 14043 14055 [Journal Article/Letter]
1995. "Meteor-3/TOMS Observations of the 1994 Ozone Hole.", Geophys. Res. Lett, 22 3227-3229 [Journal Article/Letter]
1995. "Meteor-3 Total Ozone Mapping Spectrometer Observations of the 1993 Ozone Hole.", J. Geophys. Res, 100 2973-2983 [Journal Article/Letter]
1994. "Properties of mount Pinatubo aerosols as derived from Nimbus-TOMS measurements.", J Geophys Res, 100 14043-14055 [Journal Article/Letter]
1993. "Effect of Mt. Pinatubo Aerosols on Total Ozone Measurements from Backscatter Ultraviolet (BUV) Experiments.", J. Geophys. Res., 98 (D10): 18547 18554 [10.1029/93JD01739] [Journal Article/Letter]
1993. "Record Low Global Ozone in 1992.", Science, 260 523-526 [Journal Article/Letter]
1992. "Optical Effects of Polar Stratospheric Clouds on the Retrieval of TOMS Total Ozone.", J. Geophys. Res., 97 13015 13024. [Journal Article/Letter]
1992. "Optical effects of polar stratosphere clouds on the retrieval of toms total ozone.", J Geophys Res, 97 13015-13024 [Journal Article/Letter]
1991. "A new self-calibration method applied to TOMS and SBUV backscattered ultraviolet data to determine long-term global ozone change.", J Geophys Res, 94 (D4): 7531-7545 [10.1029/90JD02662] [Journal Article/Letter]
1984. "A Diabatic Circulation Experiment in a Two-dimensional Photochemical Model.", J. Geophys. Res., 89 (D6): 9589-9602 [10.1029/JD089iD06p09589] [Journal Article/Letter]
Non-Refereed
2008. "Ozone and UV Observations.", Trends in Emissions of Ozone-Depleting Substances, Ozone Layer Recovery, and Implications for Ultraviolet Radiation Exposure.. A Report by the U.S. Climate Change Science Program and the Subcommittee on Global Change Research, 79-110 [Report]
2008. "Implications for the United States: in Trends in Emissions of Ozone-Depleting Substances, Ozone Layer Recovery, and Implications for Ultraviolet Radiation Exposure.", A Report by the U.S. Climate Change Science Program and the Subcommittee on Global Change Research, [Journal Article/Letter]
2008. "The Future and Recovery in Trends in Emissions of Ozone-Depleting Substances, Ozone Layer Recovery, and Implications for Ultraviolet Radiation Exposure.", A Report by the U.S. Climate Change Science Program and the Subcommittee on Global Change Research, 133–15 [Report]
2008. "Executive Summary in Trends in Emissions of Ozone-Depleting Substances, Ozone Layer Recovery, and Implications for Ultraviolet Radiation Exposure.", A Report by the U.S. Climate Change Science Program and the Subcommittee on Global Change Research, 15-22 [Report]
2003. "Seasonal variation of UV radiation in the ocean under clear and cloudy conditions.", Proc. SPIE 5156, Ultraviolet Ground- and Space-based Measurements, Models, and Effects III, 5156 63-73 [10.1117/12.505298] [Proceedings]
1997. "Detection of global absorbing aerosols using TOMS data.", IRS'96: Current problems in atmospheric radiation, 1 877-880 [Proceedings]