Grantee Research Project Results
Publications Details for Grant Number R825248
Surface Levels of Ultraviolet-B Radiation Under Variable Conditions of Tropospheric Air Quality And Cloudiness
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| Reference Type | Citation | Progress Report Year | Document Sources |
|---|---|---|---|
| Abstract | Modrak MT, Saxena VK. Black carbon concentrations in marine, continental, and polluted air masses and regional climate forcing in the Southeastern U.S. American Geophysical Union 2002 (Abstract #A22A-08). |
R825248 (Final) |
not available |
| Journal Article | Bahrmann CP, Saxena VK. The influence of air mass history on black carbon concentrations and regional climate forcing in southeastern United States. Journal of Geophysical Research 1998;103(D18):23,153-23,161. |
R825248 (Final) |
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| Journal Article | Erlick C, Frederick JE. Effects of aerosols on the wavelength dependence of atmospheric transmission in the ultraviolet and visible. 1. A "single-scattering-separate" delta-Eddington model. Journal of Geophysical Research-Atmospheres 1998;103(D10):11465-11472. |
R825248 (1999) R825248 (2000) R825248 (2001) R825248 (Final) |
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| Journal Article | Erlick C, Frederick JE, Saxena VK, Wenny BN. Atmospheric transmission in the ultraviolet and visible: Aerosols in cloudy atmospheres. Journal of Geophysical Research - Atmospheres 1998;103(D24):31541-31555. |
R825248 (1999) R825248 (2000) R825248 (2001) |
not available |
| Journal Article | Erlick C, Frederick JE. Effects of aerosols on the wavelength dependence of atmospheric transmission in the ultraviolet and visible. 2. Continental and urban aerosols in clear skies. Journal of Geophysical Research - Atmospheres 1998;103(D18):23275-23285. |
R825248 (1999) R825248 (2000) R825248 (2001) |
not available |
| Journal Article | Frederick JE, Slusser JR, Bigelow DS. Annual and interannual behavior of solar ultraviolet irradiance revealed by broadband measurements. Photochemistry and Photobiology 2000;72(4):488-496. |
R825248 (Final) |
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| Journal Article | Im JS, Saxena VK, Wenny BN. Temporal trends of black carbon concentrations and regional climate forcing in the southeastern United States. Atmospheric Environment 2001;35(19):3293-3302. |
R825248 (Final) |
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| Journal Article | Im JS, Saxena VK, Wenny BN. An assessment of hygroscopic growth factors for aerosols in the surface boundary layer for computing direct radiative forcing. Journal of Geophysical Research-Atmospheres 2001;106(D17):20,213-20,224. |
R825248 (1999) R825248 (2000) R825248 (2001) R825248 (Final) |
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| Journal Article | Menon S, Saxena VK, Durkee P, Wenny BN, Nielsen K. Role of sulfate aerosols in modifying the cloud albedo:a closure experiment. Atmospheric Research 2002;61(3):169-187. |
R825248 (Final) |
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| Journal Article | Petters JL, Saxena VK, Wenny BN, Madronich S. Aerosol single scattering albedo retrieved from measurements of surface UV irradiance and a radiative transfer model. Journal of Geophysical Research-Atmospheres 2003;108(D9):4288. |
R825248 (Final) |
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| Journal Article | Schafer JS, Saxena VK, Wenny BN, Barnard W, DeLuisi JJ. Observed influence of clouds on ultraviolet-B radiation. Geophysical Research Letters 1996;23(19):2625-2628. |
R825248 (1999) R825248 (2000) |
not available |
| Journal Article | Wenny BN, Schafer JS, DeLuisi JJ, Saxena VK, Barnard WF, Petropavlovskikh IV, Vergamini AJ. A study of regional aerosol radiative properties and effects on ultraviolet-B radiation. Journal of Geophysical Research - Atmospheres, 1998, Volume: 103, Number: D14 (JUL 27), Page: 17083-17097. |
R825248 (2000) |
not available |
| Journal Article | Wenny BN, Saxena VK, Frederick JE. Aerosol optical depth measurements and their impact on surface levels of ultraviolet-B radiation. Journal of Geophysical Research-Atmospheres 2001;106(D15):17,311-17,319. |
R825248 (2000) R825248 (2001) R825248 (Final) |
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| Journal Article | Yu S, Saxena VK, Wenny BN, DeLuisi JJ, Yue GK, Petropavlovskikh IV. A study of the aerosol radiative properties needed to compute direct aerosol forcing in the Southeastern United States. Journal of Geophysical Research 2000;105(D20):24,739-24,749. |
R825248 (Final) |
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| Presentation | Bahrmann CP, Saxena VK. Black carbon mass concentrations in clear air and in cloud droplets at Mt. Mitchell, North Carolina. Presented at the AGU 1997 Spring Meeting, Baltimore, MD, May 26-29, 1997. |
R825248 (1997) R825248 (1998) R825248 (1999) R825248 (2000) R825248 (2001) |
not available |
| Presentation | Petters JL, Saxena VK, Wenny BN. Does the sulfate content of an air mass affect the single scattering albedo of aerosols at UV wavelengths? Presented at the 2002 American Geophysical Union Spring Meeting, Washington, DC, May 28-31, 2002. |
R825248 (Final) |
not available |
| Presentation | Saxena VK, Wenny BN, Menon S, Yu S-C. Aerosols, clouds and climate of the southeastern U.S. Presented at the 13th International Conference on Clouds and Precipitation, Reno, NV, August 14-18, 2000. |
R825248 (2000) R825248 (2001) |
not available |
| Presentation | Saxena VK, DeLuisi JJ, Frederick E, Wenny BN, Erlick C, Seybold MG, et al. Impact of clouds on the transmission of ultraviolet radiation. Presented at the Conference on Cloud Physics, Everitt, WA, August 17-21, 1998. |
R825248 (1998) R825248 (1999) R825248 (2000) R825248 (2001) |
not available |
| Presentation | Saxena VK, Wenny BN, Barnard WF, Frederick JE, Erlick C, DeLuisi JJ. Surface levels of ultraviolet-B under variable conditions of tropospheric air quality and cloudiness. Presented at the International Symposium sponsored by the Air & Waste Management Association and the U.S. EPA, Research Triangle Park, NC, 1998. |
R825248 (1998) R825248 (1999) R825248 (2000) R825248 (2001) |
not available |
| Presentation | Wenny BN, Schafer JS, DeLuisi JJ, Saxena VK, Barnard WF, Petropavlovskikh IV. A study of regional aerosol radiative properties and effects on ultraviolet-B radiation. Presented at the AGU 1997 Spring Meeting, Baltimore, MD, May 26-29, 1997. |
R825248 (Final) |
not available |
| Presentation | Wenny BN, DeLuisi JJ, Saxena JV, Seybold MG. Observational study of broadband and spectral UV transmission through an aerosol layer. Presented at the AGU 1998 Spring Meeting, Boston, MA, May 26-29, 1998. |
R825248 (1999) R825248 (2000) R825248 (2001) |
not available |
| Presentation | Wenny BN, DeLuisi JJ, Saxena VK, Barnard WF. Observational study of spectral UV transmission through an aerosol layer. Presented at the International Symposium sponsored by the Air & Waste Management Association and the U.S. EPA, Research Triangle Park, NC, 1998. |
R825248 (1998) R825248 (2000) R825248 (2001) |
not available |
| Proceedings | Bahrmann CP, Saxena VK. Black carbon mass concentrations in clear air and in cloud droplets at Mt. Mitchell, North Carolina. In: Proceedings of the American Geophysical Union Spring Meeting, Baltimore, MD, May 26-29, 1997. |
R825248 (Final) |
not available |
| Proceedings | Erlick C, Frederick JE. Measurements of the spectral dependence of atmospheric transmission in the ultraviolet and visible in cloudy atmospheres. In: Proceedings of the American Geophysical Union Spring Meeting, Baltimore, MD, May 26-29, 1997. |
R825248 (Final) |
not available |
| Proceedings | Saxena VK, DeLuisi JJ, Frederick JE, Wenny BN, Erlick C, Seybold MG, Petropavlovskikh IV. Impact of clouds on the transmission of ultraviolet radiation. In: Proceedings of the Conference on Cloud Physics, Everitt, WA, August 17-21, 1998. |
R825248 (Final) |
not available |
| Proceedings | Saxena VK, Wenny BN, Barnard WF, Frederick JE, Erlick C, DeLuisi JJ. Surface levels of ultraviolet-B under variable conditions of tropospheric air quality and cloudiness. In: Proceedings of International Symposia, sponsored by the Air & Waste Management Association and the U.S. EPA, Research Triangle Park, NC, September 1998. |
R825248 (Final) |
not available |
| Proceedings | Saxena VK, Wenny BN, Menon S, Yu S-C. Aerosols, clouds and climate of the Southeastern U.S. Presented at the 13th International Conference on Clouds and Precipitation, Reno, NV, August 14-18, 2000. |
R825248 (Final) |
not available |
| Proceedings | Wenny BN, Schafer JS, DeLuisi JJ, Saxena VK, Barnard WF, Petropavlovskikh IV, Vergamini AJ. A study of regional aerosol radiative properties and effects on ultraviolet-B radiation. In: Proceedings of the American Geophysical Union Spring Meeting, Baltimore, MD, May 26-29, 1997. |
R825248 (1999) R825248 (2000) R825248 (Final) |
not available |
| Proceedings | Wenny BN, DeLuisi JJ, Saxena VK, Seybold MG. Observational study of broadband and spectral UV transmission through an aerosol layer. In: Proceedings of the American Geophysical Union Spring Meeting, Boston, MA, May 26-29, 1998. |
R825248 (Final) |
not available |
| Proceedings | Wenny BN, DeLuisi JJ, Saxena VK, Barnard WF. Observational study of spectral UV transmission through an aerosol layer. In: Proceedings of the Inernational Symposia, sponsored by the Air & Waste Management Association and the U.S. EPA, Research Triangle Park, NC, September 1998. |
R825248 (1999) R825248 (2000) R825248 (Final) |
not available |
| Proceedings | Yu S, Saxena VK, Wenny BN. A theoretical evaluation of chemical and size effects on radiative properties of multicomponent aerosols. In: Proceedings of the American Geophysical Union Spring Meeting, Baltimore, MD, May 26-29, 1997. |
R825248 (Final) |
not available |
| Proceedings | Yu S, Saxena VK, Wenny BN. An evaluation of chemical and size effects of radiative properties of multi-component aerosols. In: Hale BN, Kulmala M, eds. Nucleation and Atmospheric Aerosols. Melville, NY: American Institute of Physics 2000:608-611. |
R825248 (2000) R825248 (2001) R825248 (Final) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoints of the principal investigator and may not represent the views and policies of ORD and EPA. Conclusions drawn by the principal investigators have not been reviewed by the Agency.