TY - Abstract A1 - Modrak, M T A1 - Saxena, V K T1 - Black carbon concentrations in marine, continental, and polluted air masses and regional climate forcing in the Southeastern U.S. Y1 - 2002// N1 - R825248 JF - AMERICAN GEOPHYSICAL UNION ER - TY - JOUR A1 - Bahrmann, C P A1 - Saxena, V K T1 - The influence of air mass history on black carbon concentrations and regional climate forcing in southeastern United States. Y1 - 1998/07/9 N1 - R825248 JF - JOURNAL OF GEOPHYSICAL RESEARCH J1 - J GEOPHYS RES VL - 103 IS - D18 SP - 23153 EP - 23161 PB - American Geophysical Union ER - TY - JOUR A1 - Erlick, C A1 - Frederick, J E T1 - Effects of aerosols on the wavelength dependence of atmospheric transmission in the ultraviolet and visible 1. A "single-scattering-separate" delta-Eddington model. Y1 - 1998/05/27 N1 - R825248 JF - JOURNAL OF GEOPHYSICAL RESEARCH J1 - J GEOPHYS RES VL - 103 IS - D10 SP - 11465 EP - 11472 PB - American Geophysical Union ER - TY - JOUR A1 - Erlick, C A1 - Frederick, J E A1 - Saxena, V K A1 - Wenny, B N T1 - Atmospheric transmission in the ultraviolet and visible: Aerosols in cloudy atmospheres. Y1 - 1998// N1 - R825248 JF - JOURNAL OF GEOPHYSICAL RESEARCH - ATMOSPHERES VL - 103 IS - D24 SP - 31541 EP - 31555 PB - American Geophysical Union ER - TY - JOUR A1 - Erlick, C A1 - Frederick, J E T1 - Effects of aerosols on the wavelength dependence of atmospheric transmission in the ultraviolet and visible 2. Continental and urban aerosols in clear skies. Y1 - 1998// N1 - R825248 JF - JOURNAL OF GEOPHYSICAL RESEARCH - ATMOSPHERES VL - 103 IS - D18 SP - 23275 EP - 23285 PB - American Geophysical Union ER - TY - JOUR A1 - Frederick, J E A1 - Slusser, J R A1 - Bigelow, D S T1 - Annual and interannual behavior of solar ultraviolet irradiance revealed by broadband measurements. Y1 - 2000/10/ N1 - R825248 JF - PHOTOCHEMISTRY AND PHOTOBIOLOGY J1 - PHOTOCHEM PHOTOBIOL VL - 72 IS - 4 SP - 488 EP - 496 ER - TY - JOUR A1 - Im, J S A1 - Saxena, V K A1 - Wenny, B N T1 - Temporal trends of black carbon concentrations and regional climate forcing in the southeastern United States. Y1 - 2001/07/ N1 - R825248 JF - ATMOSPHERIC ENVIRONMENT J1 - ATMOS ENVIRON J2 - Atmos.Environ. VL - 35 IS - 19 SP - 3293 EP - 3302 ER - TY - JOUR A1 - Im, J S A1 - Saxena, V K A1 - Wenny, B N T1 - An assessment of hygroscopic growth factors for aerosols in the surface boundary layer for computing direct radiative forcing. Y1 - 2001/05/2 N1 - R825248 JF - JOURNAL OF GEOPHYSICAL RESEARCH - ATMOSPHERES VL - 106 IS - D17 SP - 20,213 EP - 20,224 PB - American Geophysical Union ER - TY - JOUR A1 - Menon, S A1 - Saxena, V K A1 - Durkee, P A1 - Wenny, B N A1 - Nielsen, K T1 - Role of sulfate aerosols in modifying the cloud albedo: A closure experiment. Y1 - 2002// N1 - R825248 JF - ATMOSPHERIC RESEARCH J1 - ATMOS RES J2 - Atmos.Res. VL - 61 IS - 3 SP - 169 EP - 187 ER - TY - JOUR A1 - Petters, J L A1 - Saxena, V K A1 - Wenny, B N A1 - Madronich, S T1 - Aerosol single scattering albedo retrieved from measurements of surface UV irradiance and a radiative transfer model. Y1 - 2003/05/13 N1 - R825248 JF - JOURNAL OF GEOPHYSICAL RESEARCH - ATMOSPHERES VL - 108 IS - D9 SP - 4288 ER - TY - JOUR A1 - Schafer, J S A1 - Saxena, V K A1 - Wenny, B N A1 - Barnard, W F A1 - DeLuisi, J J T1 - Observed influence of clouds on ultraviolet-B radiation. Y1 - 1996// N1 - R825248 JF - JOURNAL OF GEOPHYSICAL LETTERS VL - 23 IS - 19 SP - 2625 EP - 2628 PB - American Geophysical Union ER - TY - JOUR A1 - Wenny, B N A1 - Schafer, J S A1 - DeLuisi, J J A1 - Saxena, V K A1 - Barnard, W F A1 - Petropavlovskikh, I V A1 - Vergamini, A J T1 - A study of regional aerosol radiative properties and effects on ultraviolet-B radiation. Y1 - 1998/07/ N1 - R825248 JF - JOURNAL OF GEOPHYSICAL RESEARCH J1 - J GEOPHYS RES VL - 103 IS - D14 SP - 17083 EP - 17097 PB - American Geophysical Union ER - TY - JOUR A1 - Wenny, B N A1 - Saxena, V K A1 - Frederick, J E T1 - Aerosol optical depth measurements and their impact on surface levels of ultraviolet-B radiation. Y1 - 2001/02/21 N1 - R825248 JF - JOURNAL OF GEOPHYSICAL RESEARCH - ATMOSPHERES VL - 106 IS - D15 SP - 17,311 EP - 17,319 PB - American Geophysical Union ER - TY - JOUR A1 - Yu, S A1 - Saxena, V K A1 - Wenny, B N A1 - DeLuisi, J J A1 - Yue, G K A1 - Petropavlovskikh, I V T1 - A study of the aerosol radiative properties needed to compute direct aerosol forcing in the Southeastern United States. Y1 - 2000/05/21 N1 - R825248 JF - JOURNAL OF GEOPHYSICAL. RESEARCH VL - 105 IS - D20 SP - 24,739 EP - 24,749 ER - TY - CONF A1 - Bahrmann, C P A1 - Saxena, V K T1 - Black carbon mass concentrations in clear air and in cloud droplets at Mt. Mitchell, North Carolina N1 - R825248 ER - TY - CONF A1 - Petters, J L A1 - Saxena, V K A1 - Wenny, B N T1 - Does the sulfate content of an air mass affect the single scattering albedo of aerosols at UV wavelengths? Y1 - 2002/05/28-31 N1 - R825248 ER - TY - CONF A1 - Saxena, V K A1 - Wenny, B N A1 - Menon, S A1 - Yu, S C T1 - Aerosols, clouds and climate of the southeastern U.S. N1 - R825248 ER - TY - CONF A1 - Saxena, V K A1 - DeLuisi, J J A1 - Frederick, E A1 - Wenny, B N A1 - Erlick, C A1 - Seybold, M G A1 - et, A L T1 - Impact of clouds on the transmission of ultraviolet radiation N1 - R825248 ER - TY - CONF A1 - Saxena, V K A1 - Wenny, B N A1 - Barnard, W F A1 - Frederick, J E A1 - Erlick, C A1 - DeLuisi, J J T1 - Surface levels of ultraviolet-B under variable conditions of tropospheric air quality and cloudiness N1 - R825248 ER - TY - CONF A1 - Wenny, B N A1 - Schafer, J S A1 - DeLuisi, J J A1 - Saxena, V K A1 - Barnard, W F A1 - Petropavlovskikh, I V T1 - A study of regional aerosol radiative properties and effects on ultraviolet-B radiation Y1 - 1997/05/26-29 N1 - R825248 ER - TY - CONF A1 - Wenny, B N A1 - DeLuisi, J J A1 - Saxena, J V A1 - Seybold, M G T1 - Observational study of broadband and spectral UV transmission through an aerosol layer N1 - R825248 ER - TY - CONF A1 - Wenny, B N A1 - DeLuisi, J J A1 - Saxena, V K A1 - Barnard, W F T1 - Observational study of spectral UV transmission through an aerosol layer N1 - R825248 ER - TY - CONF A1 - Bahrmann, C P A1 - Saxena, V K T1 - Black carbon mass concentrations in clear air and in cloud droplets at Mt. Mitchell, North Carolina. Y1 - 1997/05/26-29 N1 - R825248 ER - TY - CONF A1 - Erlick, C A1 - Frederick, J E T1 - Measurements of the spectral dependence of atmospheric transmission in the ultraviolet and visible in cloudy atmospheres. Y1 - 1997/05/26-29 N1 - R825248 ER - TY - CONF A1 - Saxena, V K A1 - DeLuisi, J J A1 - Frederick, J E A1 - Wenny, B N A1 - Erlick, C A1 - Seybold, M G A1 - Petropavlovskikh, I V T1 - Impact of clouds on the transmission of ultraviolet radiation. Y1 - 1998/08/17-21 N1 - R825248 ER - TY - CONF A1 - Saxena, V K A1 - Wenny, B N A1 - Barnard, W F A1 - Frederick, J E A1 - Erlick, C A1 - DeLuisi, J J T1 - Surface levels of ultraviolet-B under variable conditions of tropospheric air quality and cloudiness. Y1 - 1998/09/ N1 - R825248 ER - TY - CONF A1 - Saxena, V K A1 - Wenny, B N A1 - Menon, S A1 - Yu, S T1 - Aerosols, clouds and climate of the Southeastern U.S. Y1 - 2000/08/14-18 N1 - R825248 ER - TY - CONF A1 - Wenny, B N A1 - Schafer, J S A1 - DeLuisi, J J A1 - Saxena, V K A1 - Barnard, W F A1 - Petropavlovskikh, I V A1 - Vergamini, A J T1 - A study of regional aerosol radiative properties and effects on ultraviolet-B radiation. Y1 - 1997/05/26-29 N1 - R825248 ER - TY - CONF A1 - Wenny, B N A1 - DeLuisi, J J A1 - Saxena, V K A1 - Seybold, M G T1 - Observational study of broadband and spectral UV transmission through an aerosol layer. Y1 - 1998/05/26-29 N1 - R825248 ER - TY - CONF A1 - Wenny, B N A1 - DeLuisi, J J A1 - Saxena, V K A1 - Barnard, W F T1 - Observational study of spectral UV transmission through an aerosol layer. Y1 - 1998/09/ N1 - R825248 ER - TY - CONF A1 - Yu, S A1 - Saxena, V K A1 - Wenny, B N T1 - A theoretical evaluation of chemical and size effects on radiative properties of multicomponent aerosols. Y1 - 1997/05/26-29 N1 - R825248 ER - TY - CONF A1 - Yu, S A1 - Saxena, V K A1 - Wenny, B N T1 - An evaluation of chemical and size effects of radiative properties of multi-component aerosols. Y1 - 2000/05/ N1 - R825248 VL - 534 SP - 608 EP - 611 ER -