Langley Research Center Awarded Contracts - cloud | Federal Compass

Langley Research Center Awarded Contracts - cloud

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80LARC24CA001 - PRINCIPAL INVESTIGATOR AND SCIENCE MANAGEMENT TEAM SUPPORT RESPONSIBLE FOR THE MANAGEMENT OF THE POLARIZED SUBMILLIMETER ICE-CLOUD RADIOMETER INSTRUMENT MISSION FOR THE NASA LIFE CYCLE FORMULATION AND IMPLEMENTATION PHASES A THOUGH F.
Definitive Contract - 541715 Research and Development in the Physical, Engineering, and Life Sciences
Contractor
VANDERBILT UNIVERSITY (VANDERBILT UNIVERSITY, THE)
Contracting Agency/Office
National Aeronautics and Space Administration»Langley Research Center
Effective date
11/27/2023
Obligated Amount
$806.3k
80LARC22DA011 - THE INVESTIGATION OF CONVECTIVE UPDRAFTS (INCUS)AN INVESTIGATION INTO THE EVOLUTION OF VERTICAL TRANSPORT OF AIR AND WATER BY CONVECTIVE STORMS TO UNDERSTAND WHY, WHEN, WHERE TROPICAL CONVECTIVE STORMS FORM AND WHY ONLY SOME PRODUCE EXTREME WEATHER.
IDC - 541715 Research and Development in the Physical, Engineering, and Life Sciences
Contractor
Colorado State University (COLORADO STATE UNIVERSITY)
Contracting Agency/Office
National Aeronautics and Space Administration»Langley Research Center
Effective date
09/26/2022
Obligated Amount
$4.5M
80LARC21D0001 - CLOUD-AEROSOL LIDAR AND INFRARED PATHFINDER SATELLITE OBSERVATION (CALIPSO) SUSTAINING ENGINEERING SUPPORT - SATELLITE WAS SUCCESSFULLY LAUNCHED ON APRIL 28, 2006 AND IS PROVIDING NEW INSIGHT INTO THE ROLE THAT CLOUD AND ATMOSPHERIC AEROSOLS PLAY IN
IDC - 541330 Engineering Services
Contractor
Ball Corporation (BALL AEROSPACE & TECHNOLOGIES CORP.)
Contracting Agency/Office
National Aeronautics and Space Administration»Langley Research Center
Effective date
11/17/2020
Obligated Amount
$1.7M
80LARC17P0001 - DEMONSTRATION KIT FOR THE FOCAL PLANE ELECTRONICS FOR THE STRATOSPHERIC AEROSOL AND GAS EXPERIMENT (SAGE) IV PATHFINDER INSTRUMENT INCUBATOR PROGRAM PROJECT
Purchase Order - 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)
Contractor
Teledyne Technologies (TELEDYNE SCIENTIFIC & IMAGING, LLC)
Contracting Agency/Office
National Aeronautics and Space Administration»Langley Research Center
Effective date
08/08/2017
Obligated Amount
$717.6k
NNL16AG00P - FORMATION AND DISTRIBUTION OF CIRRUS CLOUDS IN THE TROPICAL TROPOPAUSE LAYER CIRRUS CLOUDS IN THE TROPICAL TROPOPAUSE LAYER (TTL) PLAY A KEY ROLE IN OUR CLIMATE SYSTEM IN TWO WAYS. FIRST, THEY CAUSE NET WARMING, AND SO DIRECTLY REGULATE THE TOP-OF-ATMOSPHERE ENERGY BALANCE. SECOND, CIRRUS CLOUDS IN THE TTL REGULATE STRATOSPHERIC WATER VAPOR, WHICH INFLUENCES CLIMATE AND STRATOSPHERIC CHEMICAL PROCESSES. DESPITE THE IMPORTANCE OF TTL CI TO THE CLIMATE SYSTEM, THERE ARE MANY IMPORTANT UNANSWERED QUESTIONS ABOUT THE PROCESSES CONTROLLING CI FORMATION, DISTRIBUTION, AND THE IMPACT OF CI ON THE UPPER TROPOSPHERIC LOWER STRATOSPHERIC WATER AND ENERGY BUDGETS. WE WILL EVALUATE THE CALIPSO VERSION 4 LEVEL 2 STANDARD CI CLOUD EXTINCTION AND ICE WATER CONTENT PRODUCTS IN THE TTL REGION, AND WILL DEVELOP A NEW SPECIALIZED LEVEL 2 PROTOTYPE TTL CIRRUS DATA PRODUCT (S-TTL) TO CREATE A TTL CI CLIMATOLOGY. WE WILL COMPARE CALIOP S-TTL CIRRUS CLOUD PROPERTIES WITH COMPLEMENTARY OMS-LP, MODIS 1.38M, MLS AND AIRS CI DATA, TO ESTABLISH THE REPRESENTATIVENESS OF THE LIDAR DATA. WITH ENHANCED CONFIDENCE IN THE LIDAR DATA SET, WE WILL USE A TRAJECTORY/CLOUD MODEL TO EVALUATE CIRRUS CLOUD DISTRIBUTION AND FORMATION PROCESSES, AND TO VERIFY THE ACCURACY OF TTL CIRRUS PROPERTIES AS REPRESENTED IN A GLOBAL CHEMISTRY-CLIMATE MODEL. OUR PROPOSAL ADDRESSES THESE GOALS OF THE CALIPSO SCIENCE TEAM ROSES SOLICITATION 1THE DEVELOPMENT AND CHARACTERIZATION OF A CALIOP TTL CIRRUS EXTINCTION AND CLOUD ICE WATER CONTENT DATA SET AND CLIMATOLOGY THAT IS OPTIMIZED FOR THE UPPER TROPICAL TROPOSPHERE. WE WILL CALL THIS SPECIALIZED DATA SET S TTL.2 WE WILL USE THE THREE-DIMENSIONAL S-TTL CLOUD CLIMATOLOGY BUILT FROM CALIOP IN CONJUNCTION WITH MODIS 1.38, AIRS, MLS AND OMPS-LP CIRRUS CLOUD DATA, TO INFER SPATIAL CORRELATIONS BETWEEN ICE CLOUD MICROPHYSICAL AND OPTICAL PROPERTIES, AND ICE PARTICLE FORMATION MECHANISMS.3 BY STUDYING THE RELATIONSHIP BETWEEN THE VERTICAL INFORMATION CONTAINED IN THE CALIOP AND OMPS-LP DATA, AND THE MAPPING CAPABILITY OF MODIS 1.38 AND AIRS, WE WILL BE ABLE TO BETTER CHARACTERIZE THE INFORMATION CONTENT OF EACH TYPE OF SENSOR FOR DATA ASSIMILATION.
Purchase Order - 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)
Contractor
Science and Technology Corporation (SCIENCE AND TECHNOLOGY CORPORATION)
Contracting Agency/Office
National Aeronautics and Space Administration»Langley Research Center
Effective date
09/22/2016
Obligated Amount
$191.4k
NNL16AE08P - DYNAMIC COMPUTING CLOUD ONE YEAR SOFTWARE MAINTENANCE SERVICE
Purchase Order - 541511 Custom Computer Programming Services
Contractor
SPATIOTEMPORAL INFORMATION SYSTEMS LLC
Contracting Agency/Office
National Aeronautics and Space Administration»Langley Research Center
Effective date
07/20/2016
Obligated Amount
$20k
NNL16AD54P - PUBLICATION CHARGES FOR A PAPER SUBMITTED TO THE JOURNAL OF GEOPHYSICAL RESEARCH: ATMOSPHERES. THE TITLE OF THE PAPER IS ESTIMATING NOCTURNAL OPAQUE ICE CLOUD OPTICAL DEPTH FROM MODIS MULTISPECTRAL INFRARED RADIANCES USING A NEURAL NETWORK METHOD.
Purchase Order - 511120 Periodical Publishers
Contractor
John Wiley & Sons (WILEY SUBSCRIPTION SERVICES, INC)
Contracting Agency/Office
National Aeronautics and Space Administration»Langley Research Center
Effective date
07/05/2016
Obligated Amount
$3.8k
NNL16AD23P - PICCOLO II UNMANNED AERIAL SYSTEM AUTOPILOT
Purchase Order - 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
Contractor
Raytheon (RTX) (CLOUD CAP TECHNOLOGY, INC.)
Contracting Agency/Office
National Aeronautics and Space Administration»Langley Research Center
Effective date
06/10/2016
Obligated Amount
$32.1k
NNL16AA46P - CLOUD BASED AUDIENCE ENGAGEMENT TOOL
Purchase Order - 511210 Software Publishers
Contractor
GOEDUCATION, LLC
Contracting Agency/Office
National Aeronautics and Space Administration»Langley Research Center
Effective date
01/04/2016
Obligated Amount
$6k
NNL15AE90P - DYNAMIC COMPUTING CLOUD SOFTWARE LICENSE
Purchase Order - 541511 Custom Computer Programming Services
Contractor
SPATIOTEMPORAL INFORMATION SYSTEMS LLC
Contracting Agency/Office
National Aeronautics and Space Administration»Langley Research Center
Effective date
07/30/2015
Obligated Amount
$60k
NNL15AC86P - PUBLICATION CHARGE FOR A PAPER SUBMITTED TO THE JOURNAL OF CLIMATE TITLE IMPROVED LOW CLOUD SIMULATION FROM THE COMMUNITY ATMOSPHERE MODEL WITH AN ADVANCED THIRD-ORDER TURBULENCE
Purchase Order - 813920 Professional Organizations
Contractor
American Meteorological Society (AMERICAN METEOROLOGICAL SOCIETY, INC.)
Contracting Agency/Office
National Aeronautics and Space Administration»Langley Research Center
Effective date
05/12/2015
Obligated Amount
$3.8k
NNL15AC27P - CLOUD PARTICLE SPECTROMETER WITH POLARIZATION DETECTION
Purchase Order - 334516 Analytical Laboratory Instrument Manufacturing
Contractor
DROPLET MEASUREMENT TECHNOLOGIES, INC
Contracting Agency/Office
National Aeronautics and Space Administration»Langley Research Center
Effective date
04/16/2015
Obligated Amount
$114.8k
NNL15AB11P - PUBLICATION FOR PAPER SUBMITTED TO AMERICAN METEOROLOGICAL SOCIETY TITLED EXAMINING DEEP CONVECTIVE CLOUD EVOLUTION USING TOTAL LIGHTNING WEATHER SERVICE RADAR (WSR-88D) AND GEOSTATIONARY OPERATIONAL ENVIRONMENTAL SATELLITE(GOES-14)SUPER RAPID SCAN DATASETS
Purchase Order - 813920 Professional Organizations
Contractor
American Meteorological Society (AMERICAN METEOROLOGICAL SOCIETY, INC.)
Contracting Agency/Office
National Aeronautics and Space Administration»Langley Research Center
Effective date
01/28/2015
Obligated Amount
$2.9k
NNL15AA08P - PUBLICATION CHARGE FOR JOURNALL OF GEOPHYSICAL RESEARCH ATMOSPHERES TITLE BOUNDARY LAYER REGULATION IN THE SOUTHEAST ATLANTIC CLOUD MICROPHYSICS DURING THE BIOMASS BURNING SEASON AS SEEN BY THE A-TRAIN SATELLITE CONSTELLATION
Purchase Order - 511120 Periodical Publishers
Contractor
John Wiley & Sons (JOHN WILEY & SONS, INC.)
Contracting Agency/Office
National Aeronautics and Space Administration»Langley Research Center
Effective date
10/16/2014
Obligated Amount
$3.5k
NNL14AA04C - CLOUD-AEROSOL LIDAR AND INFRARED PATHFINDER SATELLITE OBSERVATION (CALIPSO) PAYLOAD ENGINEERING SUPPORT SERVICES. THIS CONTRACT PROVIDES FOR THE SUSTAINING AND NON-SUSTAINING ENGINEERING SUPPORT NECESSARY TO SUPPORT THE CALIPSO MISSION INCLUDING THE PAYLOAD DATA DELIVERY SYSTEM (PDDS) AND THE WORK PERFORMED BY THE CALIPSO MISSION OPERATION CONTROL CENTER (MOCC). SPECIFIC REQUIREMENT TO CONTINUALLY ASSESS THE PERFORMANCE OF THE LASER TRANSMITTER, LIDAR OPTICS, LIDAR RECEIVER, X-BAND TRANSMITTER, AND WIDE FIELD CAMERA. THE CONTRACT REQUIRES GROUND STATION SUPPORT TO RECEIVE DAILY SCIENCE DATA TRANSMISSIONS AND THE LEVEL ZERO PROCESSING OF SCIENCE DATA. THE CONTRACT ALSO REQUIRES CLOSE MONITORING OF LASER TRANSMITTER HEALTH, WHICH IS A CRITICAL SYSTEM NECESSARY TO MEET CALIPSO MISSION SCIENCE REQUIREMENTS. THE CONTRACT REQUIRES SUPPORT FOR THE INVESTIGATION OF PAYLOAD ANOMALIES AND GUIDANCE FOR SAFE OPERATIONS, WHICH COULD LEAD TO EXTENDED MISSION LIFE.
IDC - 541330 Engineering Services
Contractor
Ball Corporation (BALL AEROSPACE & TECHNOLOGIES CORP.)
Contracting Agency/Office
National Aeronautics and Space Administration»Langley Research Center
Effective date
07/23/2014
Obligated Amount
$3.6M
NNX14AI31G - THE PROPOSAL REQUIRES FOUR MAIN TASKS: (1) ANALYZE THE SENSITIVITY OF ARCTIC CLOUDS WITHIN SYNOPTIC REGIMES TO SEA ICE ANOMALIES USING AN ENHANCED CLOUDSAT-CALIPSOMODIS FUSION CLOUD DATA SET AND MICROWAVE RADIOMETER RETRIEVALS OF SEA ICE EXTENT AND CONCENTRATION; (2) PERFORM A SET OF IDEALIZED CLOUD RESOLVING MODEL AND LARGE EDDY SIMULATION EXPERIMENTS TO ISOLATE THE KEY LOCAL (E.G., SURFACE TURBULENT FLUXES) AND NON-LOCAL (LARGE SCALE ADVECTION) PHYSICAL PROCESSES CONTROLLING THE CLOUD RESPONSE TO A CHANGING SURFACE SEA ICE COVER; (3) CLOSE THE LOOP BY ANALYZING THE REPRESENTATION OF THE HYPOTHESIZED INTERANNUAL FEEDBACK LOOP IN THE CMIP5 MULTI-MODEL ARCHIVE OF CLIMATE SIMULATIONS USING A NOVEL, PROCESS-BASED FEEDBACK DECOMPOSITION TECHNIQUE TO DIAGNOSE THE TWO-WAY INTERACTIONS BETWEEN SEA ICE CHANGES AND CLOUDS; (4) CREATE INTELLIGENT ENSEMBLE PROJECTIONS OF NORTH AMERICAN CLIMATE CHANGE ON DECADAL TO CENTENNIAL TIMESCALES USING A PROCESSBASED ENSEMBLE WEIGHTING TECHNIQUE.
Grant for Research
Contractor
Florida State University (FLORIDA STATE UNIVERSITY, THE)
Contracting Agency/Office
National Aeronautics and Space Administration»Mission Support Directorate»NASA Shared Services Center
Effective date
06/10/2014
Obligated Amount
$375.7k
NNL14AQ00C - RADIATION BUDGET INSTRUMENT (RBI) IS A SCANNING RADIOMETER CAPABLE OF MEASURING EARTH'S REFLECTED SOLAR AND EMITTED THERMAL RADIANCE IN THREE SPECTRAL BANDS. RBI WILL CONTINUE THE SINGULARLY UNIQUE GLOBAL CLIMATE MEASUREMENTS OF THE EARTH'S RADIATION BUDGET PROVIDED BY THE CLOUDS AND THE EARTH'S RADIANT ENERGY SYSTEM (CERES) INSTRUMENTS.
IDC - 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)
Contractor
L-3 Harris Technologies, Inc (EXELIS INC.)
Contracting Agency/Office
National Aeronautics and Space Administration»Langley Research Center
Effective date
05/16/2014
Obligated Amount
$191.9M
NNX13AQ57G - ICE CLOUDS SUBSTANTIALLY REGULATE THE RADIATION BUDGET OF THE EARTH-ATMOSPHERE SYSTEM AND THUS PLAY A SIGNIFICANT ROLE IN THE TERRESTRIAL CLIMATE. BECAUSE OF THE IMPORTANCE OF THESE CLOUDS, THERE IS A PRESSING NEED TO RELIABLY INFER THE OPTICAL AND MICROPHYSICAL PROPERTIES OF THESE CLOUDS FROM SPACE OBSERVATIONS AND TO ACCURATELY SIMULATE THE RADIATIVE EFFECTS OF THESE CLOUDS WITH RADIATIVE TRANSFER MODELS. THE SINGLE-SCATTERING PROPERTIES, NAMELY, EXTINCTION EFFICIENCY, SINGLE-SCATTERING ALBEDO AND PHASE FUNCTION, OF NONSPHERICAL ICE CRYSTALS ARE FUNDAMENTAL TO REMOTE SENSING IMPLEMENTATIONS AND RADIATIVE TRANSFER SIMULATIONS INVOLVING ICE CLOUDS. VARIOUS STUDIES OF ICE CLOUD OPTICAL PROPERTIES AND THEIR APPLICATIONS TO REMOTE SENSING AND MODELING OF ICE CLOUDS HAVE BEEN REPORTED IN THE LITERATURE. HOWEVER, MANY OPEN QUESTIONS STILL REMAIN, REFLECTING SIGNIFICANT UNCERTAINTIES IN THE CURRENT KNOWLEDGE ABOUT ICE CLOUD RADIATIVE PROPERTIES. FOR EXAMPLE, ALTHOUGH NONSPHERICAL ICE PARTICLE SHAPE MODELS HAVE BEEN USED (TAKANO AND LIOU 1989; FU AND LIOU 1993; HONG ET AL. 2009), NO CONSENSUS HAS BEEN REACHED AS TO WHICH MODEL IS THE MOST APPROPRIATE CHOICE FOR MODELING AND REMOTE SENSING APPLICATIONS. ANOTHER KEY PROBLEM IS THAT NONE OF THE CURRENT ICE CLOUD PARTICLE MODELS CONSIDER ICE SURFACE ROUGHNESS FEATURES REVEALED BY OBSERVATIONAL STUDIES (CROSS 1969; ONO 1969; ULANOWSKI ET AL. 2006, 2012). FURTHERMORE, THE DEPENDENCE OF ICE CLOUD OPTICAL PROPERTIES ON ICE CLOUD TEMPERATURE NEEDS TO BE QUANTIFIED. THE OVERARCHING GOAL OF THIS PROPOSED PROJECT IS TO DEVELOP STATE-OF-THE-ART OPTICAL PROPERTIES OF ICE CLOUDS FOR APPLICATIONS TO REMOTE SENSING AND RADIATIVE TRANSFER SIMULATION UNDER ICE CLOUDY CONDITIONS. THE SPECIFIC OBJECTIVES ARE TO 1) DEVELOP AN ICE CLOUD MICROPHYSICAL MODEL IN TERMS OF THE PARTICLE SIZE AND HABIT DISTRIBUTIONS, WHICH WILL BE CONSTRAINED BY IN SITU OBSERVATIONS; 2) GENERATE THE BULK OPTICAL PROPERTIES OF ICE CLOUDS BASED ON THE AFOREMENTIONED ICE CLOUD MODEL AT SPECTRAL BANDS INVOLVED IN THE CERES-MODIS ALGORITHM FOR RETRIEVING ICE CLOUD PROPERTIES (MINNIS ET AL. 2011); AND 3) DEVELOP A NEW AND CONSISTENT (NAMELY, CONSISTENT WITH THE OPTICAL PROPERTIES USED IN REMOTE SENSING EFFORT IN OBJECTIVE 2) BROADBAND PARAMETERIZATION OF THE ICE CLOUD RADIATIVE PROPERTIES FOR APPLICATION TO THE THE RADIATIVE TRANSFER MODEL USED BY THE CERES SCIENCE TEAM; AND 4) DELIVER THE DATASETS AND THE RELEVANT DOCUMENTATION TO NASA. THIS EFFORT INCLUDES THE INCORPORATION OF THE NEW PARAMETERIZATION INTO THE AFOREMENTIONED RADIATIVE TRANSFER MODEL.
Grant for Research
Contractor
TEXAS A & M UNIVERSITY
Contracting Agency/Office
National Aeronautics and Space Administration»Mission Support Directorate»NASA Shared Services Center
Effective date
09/10/2013
Obligated Amount
$182.6k
NNX13AO78G - THE PROPOSAL IS TO PERFORM REAL TIME MODEL FORECASTS OF THE TRANSPORT OF AEROSOL INTO THE UPPER TROPOSPHERE LOWER STRATOSPHERE (UTLS) OVER THE SOUTHERN REGIONS OF NORTH AMERICA IN ORDER TO PROVIDE MODEL-BASED ASSESSMENTS OF: 1. WHERE AEROSOLS OBSERVED IN THE UTLS AS PART OF SEA4CRS ORIGINATE 2. PREDICT WHERE SIMULATED AEROSOLS WILL BE TRANSPORTED IN THE NEAR FUTURE TO AID SEAC4RS OPERATIONS ON DESIGNING FLIGHT PLANS AIMED AT INTERCEPTING THESE AEROSOLS IN ADDITION, IT IS PROPOSED TO EMPLOY VERY HIGH-RESOLUTION CLOUD/TURBULENCE RESOLVING SIMULATIONS OF AEROSOL TRANSPORT TO BETTER UNDERSTAND THE AEROSOL DISTRIBUTIONS OBSERVED IN SEA4CRS. ADDITIONAL RESEARCH WILL INVOLVE RELATING THE AEROSOL CONCENTRATIONS IN THE UTLS TO THE DIAGNOSIS OF LOCAL POTENTIAL ENERGY BUBBLES (LPEBS) IN THE UTLS. THE PROSPECT OF USING AEROSOL BASED DIAGNOSIS OF LPEBS USING LIDAR TO DETERMINE LOCATIONS AND MAGNITUDE OF LPEBS AND TO TRACK THE LPEBS AWAY FROM THEIR ORIGINS WILL BE EXPLORED. STUDIES WILL BE EXTENDED TO OTHER REGIONS OF THE GLOBE, INCLUDING SOUTHERN ASIA WHERE SEACH4RS WAS ORIGINALLY SLATED TO BE BASED, TO GIVE PERSPECTIVE TO AND EXTEND THE NORTH AMERICA ANALYSIS.
Grant for Research
Contractor
UNIVERSITY OF WISCONSIN SYSTEM
Contracting Agency/Office
National Aeronautics and Space Administration»Mission Support Directorate»NASA Shared Services Center
Effective date
08/22/2013
Obligated Amount
$80k
NNX13AN35G - THE UW HIGH SPECTRAL RESOLUTION LIDAR (HSRL) LIDAR PROGRAM HAS DEPLOYED TWO HSRL SYSTEMS IN SUPPORT OF THE SEACARS CAMPAIGN WITH ONE SYSTEM OPERATING IN SINGAPORE AND THE SECOND WHICH WAS RECENTLY DEPLOYED IN HUNTSVILLE, AL. THE SYSTEMS OPERATE CONTINUOUSLY WITH ALMOST A FULL YEAR OF OBSERVATIONS IN SINGAPORE AND OVER A MONTH IN AL. THE HSRL PROVIDES THE SEACARS FIELD CAMPAIGN A TRULY NEW CAPABILITY THAT WILL PROVE VALUABLE BOTH DURING THE EXPERIMENT FOR SCIENCE AND FIGHT PLANNING AND POST DEPLOYMENT FOR AEROSOL AND CLOUD RESEARCH. THE SYSTEMS WILL ALSO PROVIDE THE CALIOP ALGORITHM DEVELOP TEAM A VALUABLE SOURCE OF VALIDATION FOR THE CALIOP AEROSOL AND CLOUD EXTINCTION RETRIEVALS. UNLIKE A SINGLE CHANNEL LIDAR SUCH AS THE MPL, THE HSRL IS UNIQUE IN THAT IT IS CAPABLE OF SEPARATING THE MOLECULAR AND PARTICULATE (CLOUD AND AEROSOL) SCATTERING. THIS CAPABILITY PROVIDES DIRECT MEASUREMENTS OF THE VERTICALLY RESOLVED RADIATIVE PROPERTIES OF CLOUD AND AEROSOLS INCLUDING DEPOLARIZATION, EXTINCTION, LIDAR RATIO, AND BACKSCATTER CROSS-SECTION. THE HSRL ALSO PROVIDES SENSITIVITY TO VERY LOW OPTICAL DEPTH (OD<0.1) AEROSOL LAYERS HAVING SIGNALS SMALLER THEN THE MOLECULAR RETURN. AN EXAMPLE OF THE HSRL BACKSCATTER CROSS-SECTION MEASUREMENTS FOR DATA COLLOCATED IN HUNTSVILLE AL IS PRESENTED IN THE TOP OF FIGURE 1. THE ADVANTAGES OF THE HSRL TECHNIQUE IS HIGHLIGHTED BY COMPARING THE CALIBRATED (HSRL) PARTICULATE BACKSCATTER CROSS-SECTION IMAGE (TOP IMAGE FIGURE 1) WITH ATTENUATED BACKSCATTER IMAGE (BOTTOM IMAGE FIGURE 1). THE BOTTOM IMAGE IS GENERATED USING THE HSRL COMBINED CHANNEL WITHOUT SEPARATING THE MOLECULAR AND PARTICLE BACKSCATTER AND IS REPRESENTATIVE OF WHAT A SINGLE CHANNEL LIDAR WOULD MEASURE SUCH AS AN MPL. THE HSRL SYSTEMS ARE VERY ROBUST HOWEVER SIGNIFICANT WORK REMAINS IN THE DEVELOPMENT OF THE POST PROCESSING CALIBRATION AND QUALITY ASSURANCE WHICH IS THE FOCUS OF THIS PROPOSAL. THIS EFFORT WILL RESULT IN HSRL DATA PRODUCTS PRODUCED FOR FIXED TEMPORAL AND VERTICAL SCALES WITH QA FLAGS THAT INDICATE THE QUALITY AND USEFULNESS OF THE HSRL DATA SUCH AS PROFILES OF PARTICULATE BACKSCATTER CROSS SECTION, EXTINCTION, AND PARTICULATE LINEAR DEPOLARIZATION. THE DATA AND USERS GUIDE WILL BE PROVIDED TO THE NASA COMMUNITY THROUGH BOTH FTP AND THE HSRL SEARCH AND ORDER INTERFACE (HSRL.SSEC.WISC.EDU).
Grant for Research
Contractor
UNIVERSITY OF WISCONSIN SYSTEM
Contracting Agency/Office
National Aeronautics and Space Administration»Mission Support Directorate»NASA Shared Services Center
Effective date
07/29/2013
Obligated Amount
$124.8k

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