Not listed THE PRIMARY OBJECTIVE OF THIS RESEARCH IS TO SUPPORT THE KOREA U.S. AIR QUALITY STUDY KORUS AQ SCIENCE GOALS BY DEPLOYING SOLAR RADIATION MEASUREMENT INSTRUMENTATION ON THE NASA DC8 PLATFORM FOR THE DETERMINATION OF SPECTRALLY RESOLVED ACTINIC FLUX AND CALCULATION OF ATMOSPHERICALLY IMPORTANT PHOTOLYSIS FREQUENCIES. THE CHARGE COUPLED DEVICE ACTINIC FLUX SPECTRORADIOMETERS CAFS MEASURE SPECTRALLY RESOLVED DOWN AND UP WELLING IN SITU ULTRAVIOLET AND VISIBLE ACTINIC FLUX. PHOTOLYSIS FREQUENCY PRODUCTS FOR OVER30 PHOTODISSOCIATION REACTIONS MAY INCLUDE O3 NO2 CH2O H2O2 HONO HNO2 HNO3 HO2NO2 N2O5 PAN CH3CH2ONO2 CH3CHO CH3CH2CHO CHOCHO CH3COCHO CH3COCH3 CH3OOH CH3ONO2 CH3COCH2CH2 CH3COCH2CH3 CH3CH2CH2CHO BR2 BRO BR2O BRCL HOBR BRONO2 BRNO BRONO BRNO2 CHBR3 CL2 CLO CLNO2 AND CLONO2.ADDITIONAL SPECIES MAY BE ADDED AS NECESSARY. ACTINIC FLUX RADIATION DRIVES THE CHEMISTRY OF THE ATMOSPHERE INCLUDING THE EVOLUTION OF OZONE GREENHOUSE GASES BIOMASS BURNING EMISSIONS AND OTHER ANTHROPOGENIC AND NATURAL TRACE CONSTITUENTS. THE GASES CONTROL THE EVOLUTION OF AEROSOLS THAT IN TURN IMPACTTHE ACTINIC FLUX THROUGH RADIATIVE ABSORPTION AND SCATTERING. DURING KORUS AQ THE COMPOSITION WILL CONSIST OF A MIXTURE LOCAL AND DISTANT EMISSIONS FROM ANTHROPOGENIC MEGACITIES INDUSTRIAL SHIPPING. AND NATURAL FOREST BIOMASS BURNING OCEANIC SOURCES PRODUCING EVOLVING INTERMEDIATE CHEMISTRY AS PRIMARY EMISSIONS ARE PHOTO OXIDIZED. THE RADIATIVE FIELD WILL BE DRIVEN BYEXCEPTIONALLY STRONG AND COMPLEX AEROSOL FEATURES FROM FOR EXAMPLE SECONDARY ORGANIC FORMATION GOBI DESERT DUST BIOMASS BURNING SEA SPRAY. IN COMBINATION WITH DYNAMICAL CLOUD FIELDS. THUS MEASUREMENTS OF IN SITU SOLAR RADIATION MEASUREMENTS ARE CRITICAL TO THE PHOTOCHEMICAL RESEARCH AND ARE RECOGNIZED AS PRIORITY 1 REQUIRED IN THE NASA PLANNING DOCUMENTATION. THE CAFS INSTRUMENTS CONSIST OF SEPARATE HEMISPHERICAL UPWARD AND DOWNWARD FACING OPTICAL SENSORS TO REMOVE THE INFLUENCE OF THE AIRCRAFT ON THE LOCAL RADIATION ENVIRONMENT. UV ENHANCED FIBER OPTIC CABLES CONNECT THE INPUT OPTICS TO CCD DETECTORS. THE SYSTEM EXHIBITS EXCELLENT SENSITIVITY FROM THE UV INTO THE VISIBLE WHICH ALLOWS RAPID FULL SPECTRAL DATA ACQUISITION TIMES TYPICALLY AVERAGED TO 3 SECONDS. CAREFUL OPTICAL SENSITIVITY AND SPECTROSCOPIC CALIBRATION TECHNIQUES AND RADIATIVE TRANSFER MODEL COMPARISONS IMPROVE THE ACCURACY AND PRECISION OF THE FLUX. CAFS INSTRUMENTS HAVE A SUCCESSFUL HERITAGE OF RADIATION MEASUREMENTS DURING NUMEROUS NASA ATMOSPHERIC CHEMISTRY AND SATELLITE VALIDATION MISSIONS. DATA FROM THESE CAMPAIGNS ARE OPENLY AVAILABLE AND HAVE BEEN CRITICALTO NASA AND COMMUNITY INVESTIGATORS IN NUMEROUS PEER REVIEWED PUBLICATIONS. DURING KORUS AQ WE INTEND TO COLLABORATE WITH COLLEAGUES ON CHEMICAL AEROSOL AND RADIATIVE ANALYSES TO PUBLISH RESULTS DERIVED FROM THIS WORKAN ADD ON TASK GROUND JNO2 IS PROPOSED TO DEPLOY JNO2 FILTER RADIOMETERS AT A MEGACITY AIR POLLUTION STUDIES SEOUL MAPSSEOUL GROUND SITE DOWNWIND OF SEOUL KOREA CONCURRENT WITH THE AIRCRAFT CAMPAIGN. THE TASK PROVIDES COLLABORATIVE SUPPORT OF THE GROUND BASED SPECTRAL ABSORPTION MEASUREMENTS DESCRIBED IN A SEPARATE PROPOSAL SUBMITTED BY CAROLYN JORDAN OF THE NASA LANGLEYRESEARCH CENTER. THE FILTER RADIOMETERS PROVIDE A RARE OPPORTUNITY IN THIS HIGHLY VARIABLE REGIME TO TIE THE AEROSOL MEASUREMENTS TO THE PHOTOCHEMISTRY. ADDITIONALLY THE WORK CONNECTS THE AIRCRAFT PHOTOLYSIS TO THE SURFACE AND ENCOURAGES COLLABORATION WITH THE SOUTH KOREAN SCIENCE COMMUNITY. $0 9/26/18 5 THE PRIMARY OBJECTIVE OF THIS RESEARCH IS TO SUPPORT THE KOREA U.S. AIR QUALITY STUDY KORUS AQ SCIENCE GOALS BY DEPLOYING SOLAR RADIATION MEASUREMENT INSTRUMENTATION ON THE NASA DC8 PLATFORM FOR THE DETERMINATION OF SPECTRALLY RESOLVED ACTINIC FLUX AND CALCULATION OF ATMOSPHERICALLY IMPORTANT PHOTOLYSIS FREQUENCIES. THE CHARGE COUPLED DEVICE ACTINIC FLUX SPECTRORADIOMETERS CAFS MEASURE SPECTRALLY RESOLVED DOWN AND UP WELLING IN SITU ULTRAVIOLET AND VISIBLE ACTINIC FLUX. PHOTOLYSIS FREQUENCY PRODUCTS FOR OVER 30 PHOTODISSOCIATION REACTIONS MAY INCLUDE O3, NO2, CH2O, H2O2, HONO, HNO2, HNO3, HO2NO2, N2O5, PAN, CH3CH2ONO2, CH3CHO, CH3CH2CHO, CHOCHO, CH3COCHO, CH3COCH3, CH3OOH, CH3ONO2, CH3COCH2CH2, CH3COCH2CH3, CH3CH2CH2CHO, BR2, BRO, BR2O, BRCL, HOBR, BRONO2, BRNO, BRONO, BRNO2, CHBR3, CL2, CLO, CLNO2, AND CLONO2.ADDITIONAL SPECIES MAY BE ADDED AS NECESSARY. ACTINIC FLUX RADIATION DRIVES THE CHEMISTRY OF THE ATMOSPHERE, INCLUDING THE EVOLUTION OF OZONE, GREENHOUSE GASES, BIOMASS BURNING EMISSIONS, AND OTHER ANTHROPOGENIC AND NATURAL TRACE CONSTITUENTS. THE GASES CONTROL THE EVOLUTION OF AEROSOLS THAT, IN TURN, IMPACT THE ACTINIC FLUX THROUGH RADIATIVE ABSORPTION AND SCATTERING. DURING KORUS AQ THE COMPOSITION WILL CONSIST OF A MIXTURE LOCAL AND DISTANT EMISSIONS FROM ANTHROPOGENIC MEGACITIES, INDUSTRIAL, SHIPPING. AND NATURAL FOREST, BIOMASS BURNING, OCEANIC, SOURCES PRODUCING EVOLVING INTERMEDIATE CHEMISTRY AS PRIMARY EMISSIONS ARE PHOTO OXIDIZED. THE RADIATIVE FIELD WILL BE DRIVEN BY EXCEPTIONALLY STRONG AND COMPLEX AEROSOL FEATURES FROM FOR EXAMPLE, SECONDARY ORGANIC FORMATION, GOBI DESERT DUST, BIOMASS BURNING, SEA SPRAY. IN COMBINATION WITH DYNAMICAL CLOUD FIELDS. THUS, MEASUREMENTS OF IN SITU SOLAR RADIATION MEASUREMENTS ARE CRITICAL TO THE PHOTOCHEMICAL RESEARCH AND ARE RECOGNIZED AS PRIORITY 1 REQUIRED IN THE NASA PLANNING DOCUMENTATION. THE CAFS INSTRUMENTS CONSIST OF SEPARATE HEMISPHERICAL UPWARD AND DOWNWARD FACING OPTICAL SENSORS TO REMOVE THE INFLUENCE OF THE AIRCRAFT ON THE LOCAL RADIATION ENVIRONMENT. UV ENHANCED FIBER OPTIC CABLES CONNECT THE INPUT OPTICS TO CCD DETECTORS. THE SYSTEM EXHIBITS EXCELLENT SENSITIVITY FROM THE UV INTO THE VISIBLE, WHICH ALLOWS RAPID FULL SPECTRAL DATA ACQUISITION TIMES TYPICALLY AVERAGED TO 3 SECONDS. CAREFUL OPTICAL, SENSITIVITY AND SPECTROSCOPIC CALIBRATION TECHNIQUES AND RADIATIVE TRANSFER MODEL COMPARISONS IMPROVE THE ACCURACY AND PRECISION OF THE FLUX. CAFS INSTRUMENTS HAVE A SUCCESSFUL HERITAGE OF RADIATION MEASUREMENTS DURING NUMEROUS NASA ATMOSPHERIC CHEMISTRY AND SATELLITE VALIDATION MISSIONS. DATA FROM THESE CAMPAIGNS ARE OPENLY AVAILABLE AND HAVE BEEN CRITICAL TO NASA AND COMMUNITY INVESTIGATORS IN NUMEROUS PEER REVIEWED PUBLICATIONS. DURING KORUS AQ WE INTEND TO COLLABORATE WITH COLLEAGUES ON CHEMICAL, AEROSOL AND RADIATIVE ANALYSES TO PUBLISH RESULTS DERIVED FROM THIS WORK AN ADD ON TASK GROUND JNO2 IS PROPOSED TO DEPLOY JNO2 FILTER RADIOMETERS AT A MEGACITY AIR POLLUTION STUDIES SEOUL MAPSSEOUL GROUND SITE DOWNWIND OF SEOUL, KOREA CONCURRENT WITH THE AIRCRAFT CAMPAIGN. THE TASK PROVIDES COLLABORATIVE SUPPORT OF THE GROUND BASED SPECTRAL ABSORPTION MEASUREMENTS DESCRIBED IN A SEPARATE PROPOSAL SUBMITTED BY CAROLYN JORDAN OF THE NASA LANGLEY RESEARCH CENTER. THE FILTER RADIOMETERS PROVIDE A RARE OPPORTUNITY IN THIS HIGHLY VARIABLE REGIME TO TIE THE AEROSOL MEASUREMENTS TO THE PHOTOCHEMISTRY. ADDITIONALLY, THE WORK CONNECTS THE AIRCRAFT PHOTOLYSIS TO THE SURFACE AND ENCOURAGES COLLABORATION WITH THE SOUTH KOREAN SCIENCE COMMUNITY. Other Administrative Action $0 9/26/18 Not listed THE PRIMARY OBJECTIVE OF THIS RESEARCH IS TO SUPPORT THE KOREA U.S. AIR QUALITY STUDY KORUS AQ SCIENCE GOALS BY DEPLOYING SOLAR RADIATION MEASUREMENT INSTRUMENTATION ON THE NASA DC8 PLATFORM FOR THE DETERMINATION OF SPECTRALLY RESOLVED ACTINIC FLUX AND CALCULATION OF ATMOSPHERICALLY IMPORTANT PHOTOLYSIS FREQUENCIES. THE CHARGE COUPLED DEVICE ACTINIC FLUX SPECTRORADIOMETERS CAFS MEASURE SPECTRALLY RESOLVED DOWN AND UP WELLING IN SITU ULTRAVIOLET AND VISIBLE ACTINIC FLUX. PHOTOLYSIS FREQUENCY PRODUCTS FOR OVER30 PHOTODISSOCIATION REACTIONS MAY INCLUDE O3 NO2 CH2O H2O2 HONO HNO2 HNO3 HO2NO2 N2O5 PAN CH3CH2ONO2 CH3CHO CH3CH2CHO CHOCHO CH3COCHO CH3COCH3 CH3OOH CH3ONO2 CH3COCH2CH2 CH3COCH2CH3 CH3CH2CH2CHO BR2 BRO BR2O BRCL HOBR BRONO2 BRNO BRONO BRNO2 CHBR3 CL2 CLO CLNO2 AND CLONO2.ADDITIONAL SPECIES MAY BE ADDED AS NECESSARY. ACTINIC FLUX RADIATION DRIVES THE CHEMISTRY OF THE ATMOSPHERE INCLUDING THE EVOLUTION OF OZONE GREENHOUSE GASES BIOMASS BURNING EMISSIONS AND OTHER ANTHROPOGENIC AND NATURAL TRACE CONSTITUENTS. THE GASES CONTROL THE EVOLUTION OF AEROSOLS THAT IN TURN IMPACTTHE ACTINIC FLUX THROUGH RADIATIVE ABSORPTION AND SCATTERING. DURING KORUS AQ THE COMPOSITION WILL CONSIST OF A MIXTURE LOCAL AND DISTANT EMISSIONS FROM ANTHROPOGENIC MEGACITIES INDUSTRIAL SHIPPING. AND NATURAL FOREST BIOMASS BURNING OCEANIC SOURCES PRODUCING EVOLVING INTERMEDIATE CHEMISTRY AS PRIMARY EMISSIONS ARE PHOTO OXIDIZED. THE RADIATIVE FIELD WILL BE DRIVEN BYEXCEPTIONALLY STRONG AND COMPLEX AEROSOL FEATURES FROM FOR EXAMPLE SECONDARY ORGANIC FORMATION GOBI DESERT DUST BIOMASS BURNING SEA SPRAY. IN COMBINATION WITH DYNAMICAL CLOUD FIELDS. THUS MEASUREMENTS OF IN SITU SOLAR RADIATION MEASUREMENTS ARE CRITICAL TO THE PHOTOCHEMICAL RESEARCH AND ARE RECOGNIZED AS PRIORITY 1 REQUIRED IN THE NASA PLANNING DOCUMENTATION. THE CAFS INSTRUMENTS CONSIST OF SEPARATE HEMISPHERICAL UPWARD AND DOWNWARD FACING OPTICAL SENSORS TO REMOVE THE INFLUENCE OF THE AIRCRAFT ON THE LOCAL RADIATION ENVIRONMENT. UV ENHANCED FIBER OPTIC CABLES CONNECT THE INPUT OPTICS TO CCD DETECTORS. THE SYSTEM EXHIBITS EXCELLENT SENSITIVITY FROM THE UV INTO THE VISIBLE WHICH ALLOWS RAPID FULL SPECTRAL DATA ACQUISITION TIMES TYPICALLY AVERAGED TO 3 SECONDS. CAREFUL OPTICAL SENSITIVITY AND SPECTROSCOPIC CALIBRATION TECHNIQUES AND RADIATIVE TRANSFER MODEL COMPARISONS IMPROVE THE ACCURACY AND PRECISION OF THE FLUX. CAFS INSTRUMENTS HAVE A SUCCESSFUL HERITAGE OF RADIATION MEASUREMENTS DURING NUMEROUS NASA ATMOSPHERIC CHEMISTRY AND SATELLITE VALIDATION MISSIONS. DATA FROM THESE CAMPAIGNS ARE OPENLY AVAILABLE AND HAVE BEEN CRITICALTO NASA AND COMMUNITY INVESTIGATORS IN NUMEROUS PEER REVIEWED PUBLICATIONS. DURING KORUS AQ WE INTEND TO COLLABORATE WITH COLLEAGUES ON CHEMICAL AEROSOL AND RADIATIVE ANALYSES TO PUBLISH RESULTS DERIVED FROM THIS WORKAN ADD ON TASK GROUND JNO2 IS PROPOSED TO DEPLOY JNO2 FILTER RADIOMETERS AT A MEGACITY AIR POLLUTION STUDIES SEOUL MAPSSEOUL GROUND SITE DOWNWIND OF SEOUL KOREA CONCURRENT WITH THE AIRCRAFT CAMPAIGN. THE TASK PROVIDES COLLABORATIVE SUPPORT OF THE GROUND BASED SPECTRAL ABSORPTION MEASUREMENTS DESCRIBED IN A SEPARATE PROPOSAL SUBMITTED BY CAROLYN JORDAN OF THE NASA LANGLEYRESEARCH CENTER. THE FILTER RADIOMETERS PROVIDE A RARE OPPORTUNITY IN THIS HIGHLY VARIABLE REGIME TO TIE THE AEROSOL MEASUREMENTS TO THE PHOTOCHEMISTRY. ADDITIONALLY THE WORK CONNECTS THE AIRCRAFT PHOTOLYSIS TO THE SURFACE AND ENCOURAGES COLLABORATION WITH THE SOUTH KOREAN SCIENCE COMMUNITY. $18.6k 11/1/17 4 THE PRIMARY OBJECTIVE OF THIS RESEARCH IS TO SUPPORT THE KOREA U.S. AIR QUALITY STUDY KORUS AQ SCIENCE GOALS BY DEPLOYING SOLAR RADIATION MEASUREMENT INSTRUMENTATION ON THE NASA DC8 PLATFORM FOR THE DETERMINATION OF SPECTRALLY RESOLVED ACTINIC FLUX AND CALCULATION OF ATMOSPHERICALLY IMPORTANT PHOTOLYSIS FREQUENCIES. THE CHARGE COUPLED DEVICE ACTINIC FLUX SPECTRORADIOMETERS CAFS MEASURE SPECTRALLY RESOLVED DOWN AND UP WELLING IN SITU ULTRAVIOLET AND VISIBLE ACTINIC FLUX. PHOTOLYSIS FREQUENCY PRODUCTS FOR OVER 30 PHOTODISSOCIATION REACTIONS MAY INCLUDE O3, NO2, CH2O, H2O2, HONO, HNO2, HNO3, HO2NO2, N2O5, PAN, CH3CH2ONO2, CH3CHO, CH3CH2CHO, CHOCHO, CH3COCHO, CH3COCH3, CH3OOH, CH3ONO2, CH3COCH2CH2, CH3COCH2CH3, CH3CH2CH2CHO, BR2, BRO, BR2O, BRCL, HOBR, BRONO2, BRNO, BRONO, BRNO2, CHBR3, CL2, CLO, CLNO2, AND CLONO2.ADDITIONAL SPECIES MAY BE ADDED AS NECESSARY. ACTINIC FLUX RADIATION DRIVES THE CHEMISTRY OF THE ATMOSPHERE, INCLUDING THE EVOLUTION OF OZONE, GREENHOUSE GASES, BIOMASS BURNING EMISSIONS, AND OTHER ANTHROPOGENIC AND NATURAL TRACE CONSTITUENTS. THE GASES CONTROL THE EVOLUTION OF AEROSOLS THAT, IN TURN, IMPACT THE ACTINIC FLUX THROUGH RADIATIVE ABSORPTION AND SCATTERING. DURING KORUS AQ THE COMPOSITION WILL CONSIST OF A MIXTURE LOCAL AND DISTANT EMISSIONS FROM ANTHROPOGENIC MEGACITIES, INDUSTRIAL, SHIPPING. AND NATURAL FOREST, BIOMASS BURNING, OCEANIC, SOURCES PRODUCING EVOLVING INTERMEDIATE CHEMISTRY AS PRIMARY EMISSIONS ARE PHOTO OXIDIZED. THE RADIATIVE FIELD WILL BE DRIVEN BY EXCEPTIONALLY STRONG AND COMPLEX AEROSOL FEATURES FROM FOR EXAMPLE, SECONDARY ORGANIC FORMATION, GOBI DESERT DUST, BIOMASS BURNING, SEA SPRAY. IN COMBINATION WITH DYNAMICAL CLOUD FIELDS. THUS, MEASUREMENTS OF IN SITU SOLAR RADIATION MEASUREMENTS ARE CRITICAL TO THE PHOTOCHEMICAL RESEARCH AND ARE RECOGNIZED AS PRIORITY 1 REQUIRED IN THE NASA PLANNING DOCUMENTATION. THE CAFS INSTRUMENTS CONSIST OF SEPARATE HEMISPHERICAL UPWARD AND DOWNWARD FACING OPTICAL SENSORS TO REMOVE THE INFLUENCE OF THE AIRCRAFT ON THE LOCAL RADIATION ENVIRONMENT. UV ENHANCED FIBER OPTIC CABLES CONNECT THE INPUT OPTICS TO CCD DETECTORS. THE SYSTEM EXHIBITS EXCELLENT SENSITIVITY FROM THE UV INTO THE VISIBLE, WHICH ALLOWS RAPID FULL SPECTRAL DATA ACQUISITION TIMES TYPICALLY AVERAGED TO 3 SECONDS. CAREFUL OPTICAL, SENSITIVITY AND SPECTROSCOPIC CALIBRATION TECHNIQUES AND RADIATIVE TRANSFER MODEL COMPARISONS IMPROVE THE ACCURACY AND PRECISION OF THE FLUX. CAFS INSTRUMENTS HAVE A SUCCESSFUL HERITAGE OF RADIATION MEASUREMENTS DURING NUMEROUS NASA ATMOSPHERIC CHEMISTRY AND SATELLITE VALIDATION MISSIONS. DATA FROM THESE CAMPAIGNS ARE OPENLY AVAILABLE AND HAVE BEEN CRITICAL TO NASA AND COMMUNITY INVESTIGATORS IN NUMEROUS PEER REVIEWED PUBLICATIONS. DURING KORUS AQ WE INTEND TO COLLABORATE WITH COLLEAGUES ON CHEMICAL, AEROSOL AND RADIATIVE ANALYSES TO PUBLISH RESULTS DERIVED FROM THIS WORK AN ADD ON TASK GROUND JNO2 IS PROPOSED TO DEPLOY JNO2 FILTER RADIOMETERS AT A MEGACITY AIR POLLUTION STUDIES SEOUL MAPSSEOUL GROUND SITE DOWNWIND OF SEOUL, KOREA CONCURRENT WITH THE AIRCRAFT CAMPAIGN. THE TASK PROVIDES COLLABORATIVE SUPPORT OF THE GROUND BASED SPECTRAL ABSORPTION MEASUREMENTS DESCRIBED IN A SEPARATE PROPOSAL SUBMITTED BY CAROLYN JORDAN OF THE NASA LANGLEY RESEARCH CENTER. THE FILTER RADIOMETERS PROVIDE A RARE OPPORTUNITY IN THIS HIGHLY VARIABLE REGIME TO TIE THE AEROSOL MEASUREMENTS TO THE PHOTOCHEMISTRY. ADDITIONALLY, THE WORK CONNECTS THE AIRCRAFT PHOTOLYSIS TO THE SURFACE AND ENCOURAGES COLLABORATION WITH THE SOUTH KOREAN SCIENCE COMMUNITY. Funding Only Action $18.6k 11/1/17 Not listed THE PRIMARY OBJECTIVE OF THIS RESEARCH IS TO SUPPORT THE KOREA U.S. AIR QUALITY STUDY KORUS AQ SCIENCE GOALS BY DEPLOYING SOLAR RADIATION MEASUREMENT INSTRUMENTATION ON THE NASA DC8 PLATFORM FOR THE DETERMINATION OF SPECTRALLY RESOLVED ACTINIC FLUX AND CALCULATION OF ATMOSPHERICALLY IMPORTANT PHOTOLYSIS FREQUENCIES. THE CHARGE COUPLED DEVICE ACTINIC FLUX SPECTRORADIOMETERS CAFS MEASURE SPECTRALLY RESOLVED DOWN AND UP WELLING IN SITU ULTRAVIOLET AND VISIBLE ACTINIC FLUX. PHOTOLYSIS FREQUENCY PRODUCTS FOR OVER30 PHOTODISSOCIATION REACTIONS MAY INCLUDE O3 NO2 CH2O H2O2 HONO HNO2 HNO3 HO2NO2 N2O5 PAN CH3CH2ONO2 CH3CHO CH3CH2CHO CHOCHO CH3COCHO CH3COCH3 CH3OOH CH3ONO2 CH3COCH2CH2 CH3COCH2CH3 CH3CH2CH2CHO BR2 BRO BR2O BRCL HOBR BRONO2 BRNO BRONO BRNO2 CHBR3 CL2 CLO CLNO2 AND CLONO2.ADDITIONAL SPECIES MAY BE ADDED AS NECESSARY. ACTINIC FLUX RADIATION DRIVES THE CHEMISTRY OF THE ATMOSPHERE INCLUDING THE EVOLUTION OF OZONE GREENHOUSE GASES BIOMASS BURNING EMISSIONS AND OTHER ANTHROPOGENIC AND NATURAL TRACE CONSTITUENTS. THE GASES CONTROL THE EVOLUTION OF AEROSOLS THAT IN TURN IMPACTTHE ACTINIC FLUX THROUGH RADIATIVE ABSORPTION AND SCATTERING. DURING KORUS AQ THE COMPOSITION WILL CONSIST OF A MIXTURE LOCAL AND DISTANT EMISSIONS FROM ANTHROPOGENIC MEGACITIES INDUSTRIAL SHIPPING. AND NATURAL FOREST BIOMASS BURNING OCEANIC SOURCES PRODUCING EVOLVING INTERMEDIATE CHEMISTRY AS PRIMARY EMISSIONS ARE PHOTO OXIDIZED. THE RADIATIVE FIELD WILL BE DRIVEN BYEXCEPTIONALLY STRONG AND COMPLEX AEROSOL FEATURES FROM FOR EXAMPLE SECONDARY ORGANIC FORMATION GOBI DESERT DUST BIOMASS BURNING SEA SPRAY. IN COMBINATION WITH DYNAMICAL CLOUD FIELDS. THUS MEASUREMENTS OF IN SITU SOLAR RADIATION MEASUREMENTS ARE CRITICAL TO THE PHOTOCHEMICAL RESEARCH AND ARE RECOGNIZED AS PRIORITY 1 REQUIRED IN THE NASA PLANNING DOCUMENTATION. THE CAFS INSTRUMENTS CONSIST OF SEPARATE HEMISPHERICAL UPWARD AND DOWNWARD FACING OPTICAL SENSORS TO REMOVE THE INFLUENCE OF THE AIRCRAFT ON THE LOCAL RADIATION ENVIRONMENT. UV ENHANCED FIBER OPTIC CABLES CONNECT THE INPUT OPTICS TO CCD DETECTORS. THE SYSTEM EXHIBITS EXCELLENT SENSITIVITY FROM THE UV INTO THE VISIBLE WHICH ALLOWS RAPID FULL SPECTRAL DATA ACQUISITION TIMES TYPICALLY AVERAGED TO 3 SECONDS. CAREFUL OPTICAL SENSITIVITY AND SPECTROSCOPIC CALIBRATION TECHNIQUES AND RADIATIVE TRANSFER MODEL COMPARISONS IMPROVE THE ACCURACY AND PRECISION OF THE FLUX. CAFS INSTRUMENTS HAVE A SUCCESSFUL HERITAGE OF RADIATION MEASUREMENTS DURING NUMEROUS NASA ATMOSPHERIC CHEMISTRY AND SATELLITE VALIDATION MISSIONS. DATA FROM THESE CAMPAIGNS ARE OPENLY AVAILABLE AND HAVE BEEN CRITICALTO NASA AND COMMUNITY INVESTIGATORS IN NUMEROUS PEER REVIEWED PUBLICATIONS. DURING KORUS AQ WE INTEND TO COLLABORATE WITH COLLEAGUES ON CHEMICAL AEROSOL AND RADIATIVE ANALYSES TO PUBLISH RESULTS DERIVED FROM THIS WORKAN ADD ON TASK GROUND JNO2 IS PROPOSED TO DEPLOY JNO2 FILTER RADIOMETERS AT A MEGACITY AIR POLLUTION STUDIES SEOUL MAPSSEOUL GROUND SITE DOWNWIND OF SEOUL KOREA CONCURRENT WITH THE AIRCRAFT CAMPAIGN. THE TASK PROVIDES COLLABORATIVE SUPPORT OF THE GROUND BASED SPECTRAL ABSORPTION MEASUREMENTS DESCRIBED IN A SEPARATE PROPOSAL SUBMITTED BY CAROLYN JORDAN OF THE NASA LANGLEYRESEARCH CENTER. THE FILTER RADIOMETERS PROVIDE A RARE OPPORTUNITY IN THIS HIGHLY VARIABLE REGIME TO TIE THE AEROSOL MEASUREMENTS TO THE PHOTOCHEMISTRY. ADDITIONALLY THE WORK CONNECTS THE AIRCRAFT PHOTOLYSIS TO THE SURFACE AND ENCOURAGES COLLABORATION WITH THE SOUTH KOREAN SCIENCE COMMUNITY. $51.9k 8/22/17