Sciences and Exploration Directorate

Alexander P Vasilkov


Org Code: 614

Mail Code: 614
Greenbelt, MD 20771



Lead Research Scientist

Science Systems and Applications, Inc. - 10210 Greenbelt Rd., Suite 600 Lanham, MD 20706

December 2000 - Present

Development and implementation of the Ozone Monitoring Instrument (OMI) cloud pressure algorithm based on Raman scattering in the UV. Analysis and validation of the cloud products derived from OMI measurements. Research in support of understanding the differences between cloud pressures derived with different methods. Radiative transfer modeling with rotational Raman scattering in cloudy/aerosol atmospheres. Proposal writing.


Colleges: Moscow Institute of Physics and Technology (MIPT), a Russian equivalent of Massachusetts Institute of Technology

1972-1975 PhD student
1965-1971 Undergraduate and graduate student, Department of Aerophysics and Space Research.


1975 Ph.D. in Physics and Mathematics from MIPT.
1971 Master in Aerospace Engineering from MIPT, diploma with honors.




Joiner, J., S. Marchenko, Z. Fasnacht, et al. L. Lamsal, C. Li, A. Vasilkov, and N. Krotkov. 2023. Use of machine learning and principal component analysis to retrieve nitrogen dioxide (NO2) with hyperspectral imagers and reduce noise in spectral fitting Atmospheric Measurement Techniques 16 (2): 481-500 [10.5194/amt-16-481-2023]

Vasilkov, A., N. Krotkov, D. Haffner, Z. Fasnacht, and J. Joiner. 2022. Estimates of Hyperspectral Surface and Underwater UV Planar and Scalar Irradiances from OMI Measurements and Radiative Transfer Computations Remote Sensing 14 (9): 2278 [10.3390/rs14092278]

Fasnacht, Z., J. Joiner, D. Haffner, et al. W. Qin, A. Vasilkov, P. Castellanos, and N. Krotkov. 2022. Using Machine Learning for Timely Estimates of Ocean Color Information From Hyperspectral Satellite Measurements in the Presence of Clouds, Aerosols, and Sunglint Frontiers in Remote Sensing 3 [10.3389/frsen.2022.846174]

Korkin, S., E.-S. Yang, R. Spurr, et al. C. Emde, P. Zhai, N. Krotkov, A. Vasilkov, and A. Lyapustin. 2022. Numerical Results for Polarized Light Scattering in a Spherical Atmosphere Journal of Quantitative Spectroscopy and Radiative Transfer 287 108194 [10.1016/j.jqsrt.2022.108194]

Joiner, J., Z. Fasnacht, W. Qin, et al. Y. Yoshida, A. P. Vasilkov, C. Li, L. Lamsal, and N. Krotkov. 2022. Use of Hyper-Spectral Visible and Near-Infrared Satellite Data for Timely Estimates of the Earth’s Surface Reflectance in Cloudy and Aerosol Loaded Conditions: Part 1–Application to RGB Image Restoration Over Land With GOME-2 Frontiers in Remote Sensing 2 [10.3389/frsen.2021.716430]

Gorkavyi, N., N. Krotkov, C. Li, et al. L. Lait, P. Colarco, S. Carn, M. DeLand, P. Newman, M. Schoeberl, G. Taha, O. Torres, A. Vasilkov, and J. Joiner. 2021. Tracking aerosols and SO2 clouds from the Raikoke eruption: 3D view from satellite observations Atmospheric Measurement Techniques 14 (12): 7545-7563 [10.5194/amt-14-7545-2021]

Gorkavyi, N., S. Carn, M. DeLand, et al. Y. Knyazikhin, N. Krotkov, A. Marshak, R. Myneni, and A. Vasilkov. 2021. Earth Imaging From the Surface of the Moon With a DSCOVR/EPIC-Type Camera Frontiers in Remote Sensing 2 [10.3389/frsen.2021.724074]

Vasilkov, A., N. Krotkov, E.-S. Yang, et al. L. Lamsal, J. Joiner, P. Castellanos, Z. Fasnacht, and R. Spurr. 2021. Explicit and consistent aerosol correction for visible wavelength satellite cloud and nitrogen dioxide retrievals based on optical properties from a global aerosol analysis Atmospheric Measurement Techniques 14 (4): 2857-2871 [10.5194/amt-14-2857-2021]

Gorkavyi, N., Z. Fasnacht, D. Haffner, et al. S. Marchenko, J. Joiner, and A. Vasilkov. 2021. Detection of anomalies in the UV–vis reflectances from the Ozone Monitoring Instrument Atmospheric Measurement Techniques 14 (2): 961-974 [10.5194/amt-14-961-2021]

Lamsal, L. N., N. A. Krotkov, A. Vasilkov, et al. S. V. Martchenko, W. Qin, E.-S. Yang, Z. Fasnacht, J. Joiner, S. Choi, D. Haffner, W. H. Swartz, B. Fisher, and E. Bucsela. 2021. Ozone Monitoring Instrument (OMI) Aura nitrogen dioxide standard product version 4.0 with improved surface and cloud treatments Atmospheric Measurement Techniques 14 455-479 [10.5194/amt-14-455-2021]

Li, C., N. A. Krotkov, P. J. Leonard, et al. S. Carn, J. Joiner, R. J. Spurr, and A. Vasilkov. 2020. Version 2 Ozone Monitoring Instrument SO2 product (OMSO2 V2): new anthropogenic SO2 vertical column density dataset Atmospheric Measurement Techniques 13 (11): 6175-6191 [10.5194/amt-13-6175-2020]

Korkin, S., E.-S. Yang, R. Spurr, et al. C. Emde, N. Krotkov, A. Vasilkov, D. Haffner, J. Mok, and A. Lyapustin. 2020. Revised and extended benchmark results for Rayleigh scattering of sunlight in spherical atmospheres Journal of Quantitative Spectroscopy and Radiative Transfer 254 107181 [10.1016/j.jqsrt.2020.107181]

Fasnacht, Z., A. Vasilkov, D. Haffner, et al. W. Qin, J. Joiner, N. Krotkov, A. M. Sayer, and R. Spurr. 2019. A geometry-dependent surface Lambertian-equivalent reflectivity product for UV-Vis retrievals - Part 2: Evaluation over open ocean Atmospheric Measurement Techniques 12 (12): 6749-6769 [10.5194/amt-12-6749-2019]

Vasilkov, A., A. Lyapustin, B. G. Mitchell, and D. Huang. 2019. UV Reflectance of the Ocean from DSCOVR/EPIC: Comparisons with a Theoretical Model and Aura/OMI Observations Journal of Atmospheric and Oceanic Technology 36 (11): 2087-2099 [10.1175/jtech-d-18-0150.1]

Qin, W., Z. Fasnacht, D. Haffner, et al. A. Vasilkov, J. Joiner, N. Krotkov, B. Fisher, and R. Spurr. 2019. A geometry-dependent surface Lambertian-equivalent reflectivity product for UV–Vis retrievals – Part 1: Evaluation over land surfaces using measurements from OMI at 466nm Atmospheric Measurement Techniques 12 (7): 3997-4017 [10.5194/amt-12-3997-2019]

Yang, Y., K. Meyer, G. Wind, et al. Y. Zhou, A. Marshak, S. Platnick, Q. Min, A. B. Davis, J. Joiner, A. Vasilkov, D. Duda, and W. Su. 2019. Cloud products from the Earth Polychromatic Imaging Camera (EPIC): algorithms and initial evaluation Atmospheric Measurement Techniques 12 (3): 2019-2031 [10.5194/amt-12-2019-2019]

Vasilkov, A., E.-S. Yang, S. Marchenko, et al. W. Qin, L. Lamsal, J. Joiner, N. Krotkov, D. Haffner, P. K. Bhartia, and R. Spurr. 2018. A cloud algorithm based on the O2-O2 477 nm absorption band featuring an advanced spectral fitting method and the use of surface geometry-dependent Lambertian-equivalent reflectivity Atmospheric Measurement Techniques 11 (7): 4093-4107 [10.5194/amt-11-4093-2018]

Gorkavyi, N., and A. Vasilkov. 2018. A modified Friedmann equation for a system with varying gravitational mass Monthly Notices of the Royal Astronomical Society 476 (1): 1384-1389 [10.1093/mnras/sty335]

Ziemke, J. R., S. A. Strode, A. R. Douglass, et al. J. Joiner, A. Vasilkov, L. D. Oman, J. Liu, S. E. Strahan, P. K. Bhartia, and D. P. Haffner. 2017. A cloud-ozone data product from Aura OMI and MLS satellite measurements Atmospheric Measurement Techniques 10 (11): 4067-4078 [10.5194/amt-10-4067-2017]

Vasilkov, A., W. Qin, N. Krotkov, et al. L. Lamsal, R. Spurr, D. Haffner, J. Joiner, E.-S. Yang, and S. Marchenko. 2017. Accounting for the effects of surface BRDF on satellite cloud and trace-gas retrievals: a new approach based on geometry-dependent Lambertian equivalent reflectivity applied to OMI algorithms Atmospheric Measurement Techniques 10 (1): 333-349 [10.5194/amt-10-333-2017]

González Abad, G., A. Vasilkov, C. Seftor, X. Liu, and K. Chance. 2016. Smithsonian Astrophysical Observatory Ozone Mapping and Profiler Suite(SAO OMPS) formaldehyde retrieval Atmospheric Measurement Techniques 9 (7): 2797-2812 [10.5194/amt-9-2797-2016]

Gorkavyi, N., and A. Vasilkov. 2016. A repulsive force in the Einstein theory Monthly Notices of the Royal Astronomical Society 461 (3): 2929-2933 [10.1093/mnras/stw1517]

Gupta, P., J. Joiner, A. Vasilkov, and P. K. Bhartia. 2016. Top-of-the-atmosphere shortwave flux estimation from satellite observations: an empirical neural network approach applied with data from the A-train constellation Atmospheric Measurement Techniques 9 (7): 2813-2826 [10.5194/amt-9-2813-2016]

Joiner, J., Y. Yoshida, A. P. Vasilkov, et al. K. Schaefer, M. Jung, L. Guanter, Y. Zhang, S. Garrity, E. M. Middleton, K. F. Huemmrich, L. Gu, and L. Belelli Marchesini. 2014. The seasonal cycle of satellite chlorophyll fluorescence observations and its relationship to vegetation phenology and ecosystem atmosphere carbon exchange Remote Sensing of Environment 152 375-391 [10.1016/j.rse.2014.06.022]

Choi, S., J. Joiner, Y. Choi, et al. B. N. Duncan, A. Vasilkov, N. Krotkov, and E. Bucsela. 2014. First estimates of global free-tropospheric NO2 abundances derived using a cloud-slicing technique applied to satellite observations from the Aura Ozone Monitoring Instrument (OMI) Atmos. Chem. Phys. 14 (19): 10565-10588 [10.5194/acp-14-10565-2014]

Vasilkov, A. P., J. Joiner, and C. J. Seftor. 2014. First results from a rotational Raman scattering cloud algorithm applied to the Suomi National Polar-orbiting Partnership (NPP) Ozone Mapping and Profiler Suite (OMPS) Nadir Mapper Atmos. Meas. Tech. 7 2897-2906 [10.5194/amt-7-2897-2014]

Vasilkov, A. P., J. Joiner, and R. Spurr. 2013. Note on rotational-Raman scattering in the O₂ A- and B-bands Atmos. Meas. Tech. 6 (4): 981-990 [10.5194/amt-6-981-2013]

Joiner, J., L. Guanter, R. Lindstrot, et al. M. Voigt, A. P. Vasilkov, E. M. Middleton, K. F. Huemmrich, Y. Yoshida, and C. Frankenberg. 2013. Global monitoring of terrestrial chlorophyll fluorescence from moderate-spectral-resolution near-infrared satellite measurements: methodology, simulations, and application to GOME-2 Atmos. Meas. Tech. 6 (10): 2803-2823 [10.5194/amt-6-2803-2013]

Joiner, J., A. P. Vasilkov, P. Gupta, et al. P. K. Bhartia, P. Veefkind, M. Sneep, J. D. Haan, I. Polonsky, and R. Spurr. 2012. Fast simulators for satellite cloud optical centroid pressure retrievals; evaluation of OMI cloud retrievals Atmospheric Measurement Techniques 5 (3): 529-545 [10.5194/amt-5-529-2012]

Joiner, J., Y. Yoshida, A. P. Vasilkov, et al. E. M. Middleton, P. K. Campbell, A. Kuze, and L. A. Corp. 2012. Filling-in of near-infrared solar lines by terrestrial fluorescence and other geophysical effects: simulations and space-based observations from SCIAMACHY and GOSAT Atmos Meas Tech 5 (4): 809-829 [10.5194/amt-5-809-2012]

Joiner, J., Y. Yoshida, A. Vasilkov, et al. Y. Yoshida, L. Corp, and E. Middleton. 2011. First observations of global and seasonal terrestrial chlorophyll fluorescence from space Biogeosciences 8 (3): 637-651 [10.5194/bg-8-637-2011]

Joiner, J., A. Vasilkov, P. K. Bhartia, et al. G. Wind, S. E. Platnick, and W. Menzel. 2010. Detection of multi-layer and vertically-extended clouds using A-train sensors Atmos Meas Tech 3 (1): 233-247 [10.5194/amt-3-233-2010]

Vasilkov, A., J. Joiner, D. P. Haffner, P. Bhartia, and R. Spurr. 2010. What do satellite backscatter ultraviolet and visible spectrometers see over snow and ice? A study of clouds and ozone using the A-train Atmos Meas Tech 3 (3): 619-629 [10.5194/amt-3-619-2010]

Joiner, J., M. Schoeberl, A. Vasilkov, et al. L. Oreopoulos, S. Platnick, N. Livesey, and P. Levelt. 2009. Accurate satellite-derived estimates of the tropospheric ozone impact on the global radiation budget Atmos. Chem. Phys. 9 (13): 4447-4465 [10.5194/acp-9-4447-2009]

Ziemke, J. R., J. Joiner, S. Chandra, et al. P. K. Bhartia, A. Vasilkov, D. P. Haffner, K. Yang, M. Schoeberl, L. Froidevaux, and P. Levelt. 2009. Ozone mixing ratios inside tropical deep convective clouds from OMI satellite measurements Atmos Chem Phys 9 573-583

Vasilkov, A. P., J. Joiner, L. Oreopoulos, et al. J. F. Gleason, P. Veefkind, E. Bucsela, E. A. Celarier, R. J. Spurr, and S. E. Platnick. 2009. Impact of tropospheric nitrogen dioxide on the regional radiation budget Atmos Chem Phys 9 6389-6400 [10.5194/acp-9-6389-2009]

Spurr, R., J. Haan, R. Oss, and A. Vasilkov. 2008. Discrete-ordinate radiative transfer in a stratified medium with first-order rotational Raman scattering J of Qauntitative Spectroscopy and Radiative Transfer 109 (3): 404-425 [10.1016/j.jqsrt.2007.08.011]

Tzortziou, M. A., N. A. Krotkov, A. M. Cede, J. R. Herman, and A. P. Vasilkov. 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]

Vasilkov, A. P., J. Joiner, R. Spurr, et al. P. K. Bhartia, P. F. Levelt, and G. Stephens. 2008. Evaluation of the OMI cloud pressures derived from rotational Raman scattering by comparisons with other satellite data and radiative transfer simulations J. Geophys. Res. 113 (D15): D15S19 [10.1029/2007JD008689]

Sneep, M., J. F. de Haan, P. Stammes, et al. P. Wang, C. Vanbauce, J. Joiner, A. P. Vasilkov, and P. F. Levelt. 2008. Three-way comparison between OMI and PARASOL cloud pressure products J. Geophys. Res. 113 (D15): D15S23 [10.1029/2007JD008694]

Tedetti, M., R. Sempere, A. Vasilkov, et al. B. Charriere, D. Nerini, W. Miller, K. Kawamura, and P. Raimbault. 2007. High penetration of ultraviolet radiation in the south east Pacific waters GeopHy Res Lett 34 L12610

Joiner, J., and A. Vasilkov. 2006. First Results from the OMI Rotational Raman Scattering Cloud Pressure Algorithm IEEE Trans on Geosc And Remote Sensing 44 (5): IGRSD2 1272-1282

Joiner, J., A. P. Vasilkov, K. Yang, and P. K. Bhartia. 2006. Observations over hurricanes from the ozone monitoring instrument Geophysical Research Letters 33 (6): L06807 [10.1029/2005GL025592]

Vasilkov, A. P., J. R. Herman, Z. Ahmad, M. Kahru, and G. Mitchell. 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]

Krotkov, N. A., P. K. Bhartia, J. R. Herman, et al. J. Slusser, G. Scott, G. J. Labow, A. P. Vasilkov, T. F. Eck, O. Dubovik, and B. N. Holben. 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]

Vasilkov, A. P., J. Joiner, K. Yang, and P. K. Bhartia. 2004. Improving total column ozone retrievals using cloud pressures derived from Raman scattering in the UV Geophys Res Lett 31 (L20109): [10.1029/2004GL020603]

Acker, J. G., A. P. Vasilkov, D. Nadeau, and N. A. Kuring. 2004. Use of SeaWiFS ocean color data to estimate neritic sediment mass transport from carbonate platforms for two hurricane-forced events Coral Reefs 23 (1): 39-47 [10.1007/s00338-003-0355-9]

Joiner, J., A. P. Vasilkov, D. E. Flittner, J. F. Gleason, and P. K. Bhartia. 2004. Retrieval of cloud pressure and oceanic chlorophyll content using Raman scattering in GOME ultraviolet spectra J Geophys Res 109 (D01109):

Vasilkov, A., J. Herman, N. Krotkov, et al. M. Kahru, B. Mitchell, and N. Hsu. 2002. Problems in assessment of the UV penetration into natural waters from space-based measurements Optical Engineering 41 3019-3027

Vasilkov, A. P., J. Joiner, J. F. Gleason, and P. K. Bhartia. 2002. Ocean Raman scattering in satellite backscatter ultraviolet measurements Geophys Res Lett 29 (17): 1837-1840 [10.1029/2002GL014955]

Vasilkov, A., N. Krotkov, J. Herman, et al. C. McClain, K. Arrigo, and W. Robinson. 2001. Global mapping of underwater UV irradiances and DNA-weighted exposures using Total Ozone Mapping Spectrometer and Sea-viewing Wide Field-of-view Sensor data products Journal of Geophysical Research: Oceans 106 (C11): 27205-27219 [10.1029/2000jc000373]

Vasilkov, A. P., Y. A. Goldin, B. A. Gureev, et al. F. E. Hoge, R. N. Swift, and C. W. Wright. 2001. Airborne polarized lidar detection of scattering layers in the ocean Applied Optics 40 (24): 4353 [10.1364/ao.40.004353]

Krotkov, N. A., and A. P. Vasilkov. 2000. Reduction of skylight reflection effects in the above-water measurement of diffuse marine reflectance: comment Applied Optics 39 (9): 1379 [10.1364/ao.39.001379]

Vasilkov, A. P., V. I. Burenkov, and K. G. Ruddick. 1999. The spectral reflectance and transparency of river plume waters International Journal of Remote Sensing 20 (13): 2497-2508 [10.1080/014311699211895]

Ruddick, K. G., F. Ovidio, A. P. Vasilkov, et al. C. Lancelot, V. Rousseau, and M. Rijkeboer. 1999. Optical remote sensing in support of eutrophication monitoring in Belgian waters Operational remote sensing for sustainable development 445-452

Vasilkov, A. P., O. V. Kopelevich, N. A. Krotkov, et al. S. V. Sheberstov, V. I. Burenkov, and S. V. Ershova. 1999. A model for calculation of ultraviolet radiation transfer in Arctic waters Oceanology 39 (2): 172-180

Vasilkov, A. P., Y. A. Goldin, and B. A. Gureev. 1997. Airborne lidar polarization estimation of the vertical profile of seawater light scattering coefficient Izvestiya, Atmospheric and Oceanic Physics 33 (4): 519-524

Vasilkov, A. P., T. V. Kondranin, and A. A. Shcherbakov. 1995. Estimation of contrasts of oil slicks on the ocean surface measured in visible band of spectrum from space vehicles Earth Obs. Rem. Sens. 13 419-430

Burenkov, V. I., and A. P. Vasilkov. 1994. Influence of river discharge on spatial-distribution of hydrological characteristics in the Kara Sea Okeanologiya 34 (5): 652-661

Geogdzhayev, I. V., T. V. Kondranin, N. A. Krotkov, and A. P. Vasilkov. 1993. The accuracy of biooptical parameters retrieval from the spectral sea reflectance IRS '92: Current Problems in Atmospheric Radiation 421-424

Vasilkov, A. P. 1991. Remote sensing of bioluminescence in the sea Oceanology 31 (6): 736-739

Vasilkov, A. P., O. A. Ershov, and A. I. Sudbin. 1990. Determination of sea surface reflectance from aircraft radiometry Sov. J. Remote Sensing 6 (1): 63-71

Vasilkov, A. P., T. V. Kondranin, N. A. Krotkov, G. A. Lakhtanov, and V. Y. Churov. 1990. Properties of the angular dependence of polarization for upward radiation from the sea surface in the visible region of the spectrum Izvestiya, Atmospheric and Oceanic Physics 26 (5): 397-401

Vasilkov, A. P., T. V. Kondranin, and N. A. Krotkov. 1990. The effectiveness of polarisation measurements in passive remote sensing of the ocean in the visible region of the spectrum Sov. J. Remote Sensing 7 (5): 886-899

Vasilkov, A. P., T. V. Kondranin, and Y. V. Myasnikov. 1989. A method of calculating the intensity of the backscattered signal in pulsed sounding of a stratified aqueous medium Izvestiya, Atmospheric and Oceanic Physics 25 (1): 77-80

Vasilkov, A. P., O. A. Ershov, A. I. Sudbin, and A. Smirnov. 1989. Airborne remote measurements of the spectral coefficient of sea brightness Atmospheric Optics 2 (6): 527-532

Burenkov, V. I., A. P. Vasilkov, and L. A. Stefantsev. 1989. Remote observation of internal waves from variations in the solar radiance scattered by the ocean Sov. J. Remote Sensing 5 (5): 799-811

Vasilkov, A. P., T. V. Kondranin, and Y. V. Myasnikov. 1988. Polarization characteristics in the backscattering signal for pulsed sensing of the ocean by a narrow light beam Izvestiya, Atmospheric and Oceanic Physics 24 (8): 635-642

Vasilkov, A. P., and A. Gitelson. 1988. Spectral Dependence of the Light Scattering of Organic Hydrosol Izvestiya, Atmospheric and Oceanic Physics 24 968-972

Burenkov, V. I., and A. P. Vasilkov. 1987. Characteristics of internal waves in the upper thermocline near the Mascarene ridge Oceanology 27 (2): 138-141

Burenkov, V. I., A. P. Vasilkov, and L. A. Stefantsev. 1985. Retrieval of spectral optical properties of sea water from spectra of reflectance coefficient of the sea Oceanology 25 (1): 3640

Vasilkov, A. P. 1982. Diurnal variability of the vertical distribution of suspended particle and hydrooptical characteristics in the surface layer of the ocean Oceanology 22 (3): 284-287

Vasilkov, A. P., and O. V. Kopelevich. 1982. Reasons for the appearance of the maximum near 700 nm in the radiance spectrum emitted by the ocean layer Oceanology 22 (6): 697-701

Filippov, Y. P., and A. P. Vasilkov. 1979. Tissue temperature simulation in cryosurgery Journal of Engineering Physics 36 (6): 725-730 [10.1007/bf01086673]

Varnava, V. A., A. P. Vasilkov, and A. B. Karasev. 1978. Fast interpolation scheme for calculating the transmission function of an inhomogeneous atmosphere Akademiia Nauk SSSR, Izvestiia, Fizika Atmosfery i Okeana 14 1304-1307

Vasilkov, A. P., and I. N. Murzinov. 1977. Two-phase Couette flow Fluid Dynamics 11 (3): 383-386 [10.1007/bf01014453]

Vasilkov, A. P. 1977. Calculation of a turbulent two-phase isobaric jet Fluid Dynamics 11 (5): 699-704 [10.1007/bf01012960]

Vasilkov, A. P., and I. N. Murzinov. 1976. Similarity with the outflow of strongly unexpanded jets into a hypersonic wake Fluid Dynamics 9 (5): 792-798 [10.1007/bf01017428]

Vasilkov, A. P. 1976. Stagnation region of a blunt body in two-phase hypersonic flow Fluid Dynamics 10 (5): 806-812 [10.1007/bf01015455]

Vasilkov, A. P., and I. N. Murzinov. 1975. Outflow of gas from a severely underexpanded nozzle in opposition to a hypersonic flow Fluid Dynamics 8 (3): 428-433 [10.1007/bf01019969]


Ahmad, Z., J. R. Herman, A. P. Vasilkov, et al. M. A. Tzortziou, B. G. Mitchell, and M. Kahru. 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]

Ruddick, K., F. Ovidio, D. V. Eynde, and A. P. Vasilkov. 1999. The distribution and dynamics of suspended particulate matter in Belgian coastal waters derived from AVHRR imagery The Proceedings of the Conference on Satellite Meteorology and Oceanography, 9 th, Paris, France 626-629

Vasilkov, A. P. 1997. A retrieval of coastal water constituent concentrations by least-squares inversion of a radiance model Proceedings of the fourth international conference on remote sensing for marine and coastal environments. Technology and applications. II 107-116

Vasilkov, A. P. 1994. Solar ultraviolet radiation penetration and photochemical effect on colored dissolved organic matter in coastal waters Ocean Optics XII SPIE 2258 288-299 [10.1117/12.190072]

Krotkov, N. A., and A. P. Vasilkov. 1993. Ultraviolet radiation in the atmosphere-ocean system: a model study Atmospheric Radiation 2049 244-255 [10.1117/12.163517]

Krotkov, N. A., T. V. Kondranin, and A. P. Vasilkov. 1992. Optimization of the polarization remote-sensing techniques of the ocean Polarization and Remote Sensing SPIE 1747 188-199 [10.1117/12.138836]