Now showing items 36-55 of 65

    • kCARTA : A fast pseudo line-by-line radiative transfer algorithm with analytic Jacobians, fluxes, Non-Local Thermodynamic Equilibrium and scattering for the infrared 

      Machado, Sergio DeSouza; Strow, L. Larrabee; Motteler, Howard; Hannon, Scott (EGU, 2019-08-09)
      A fast pseudo-monochromatic radiative transfer package using a Singular Value Decomposition (SVD) compressed atmospheric optical depth database has been developed, primarily for use with hyperspectral sounding instruments. ...
    • Land Surface Reflectances from Geostationary Sensors 

      Wang, Weile; Shuang, Li; Yujie, Wang; Xiong, Jun; Hashimoto, Hirofumi; Ganguly, Sangram; Lyapustin, Alexei; Nemani, Ramakrishna R. (NASA OCIO, 2018-12-10)
      GEONEX is a processing pipeline that produces a suite of satellite land surface products using data streams from the latest geostationary (GEO) sensors including the GOES016/ABI and the Himawari-8/AHI. The suite, created ...
    • Laser geodetic satellites: a high-accuracy scientific tool 

      Pearlman, M.; Arnold, D.; Davis, M.; Barlier, F.; Biancale, R.; Vasiliev, V.; Ciufolini, I.; Paolozzi, A.; Pavlis, E. C.; Sośnica, K.; Bloßfeld, M. (Springer Nature Switzerland AG., 2019-02-12)
      Satellite Laser Ranging (SLR) began in the mid-1960s on satellites of opportunity with retro-reflectors intended as a part of intercomparison tests of satellite tracking techniques. Shortly thereafter, data from these ...
    • LIDAR PROFILING IN THE LOWER TROPOSPHERE: EXPERIENCE FROM PECAN 

      Demoz, Belay; Delgado, Ruben; Caroll, Brian; Vermeesch, Kevin; Whiteman, David N.; Sakia, Ricardo; Tesfay, Sium; Cooper, Lorenzo (EPJ, 2018)
      Results from the PECAN (Plains Elevated Convection at Night) campaign are discussed. In particular, the utility of simple backscatter lidars/ceilometers in quantifying atmospheric dynamics parameters and variables as well ...
    • A method for quantifying near range point source induced O₃ titration events using Co-located Lidar and Pandora measurements 

      Gronoff, Guillaume; Robinson, Joseph; Berkoff, Timothy; Swap, Robert; Farris, Betsy; Schroeder, Jeremy; Halliday, Hannah S.; Knepp, Travis; Spinei, Elena; Carrion, William; Adcock, Edward E.; Johns, Zachary; Allen, Danette; Pippin, Margaret (Elsevier Ltd., 2019-02-19)
      A ground-based tropospheric O3 lidar with unique vertical near-range capabilities was deployed in support of the larger OWLETS 2017 campaign on the Chesapeake Bay Bridge Tunnel, at the mouth of the Chesapeake Bay. It was ...
    • MISR Radiance Anomalies Induced by Stratospheric Volcanic Aerosols 

      Wu, Dong L.; Wang, Tao; Várnai, Tamás; Limbacher, James A.; Kahn, Ralph A.; Taha, Ghassan; Lee, Jae N.; Gong, Jie; Yuan, Tianle (MDPI, 2018-11-23)
      The 16-year MISR monthly radiances are analyzed in this study, showing significant enhancements of anisotropic scattering at high latitudes after several major volcanic eruptions with injection heights greater than 14 km. ...
    • MIXED LAYER DEPTHS VIA DOPPLER LIDAR DURING LOW-LEVEL JET EVENTS 

      Carroll, Brian; Demoz, Belay; Bonin, Timothy; Delgado, Ruben (EPJ, 2018)
      A low-level jet (LLJ) is a prominent wind speed peak in the lower troposphere. Nocturnal LLJs have been shown to transport and mix atmospheric constituents from the residual layer down to the surface, breaching quiescent ...
    • Net radiative effects of dust in the tropical North Atlantic based on integrated satellite observations and in situ measurements 

      Song, Qianqian; Zhang, Zhibo; Yu, Hongbin; Kato, Seiji; Yang, Ping; Colarco, Peter; Remer, Lorraine A.; Ryder, Claire L. (Copernicus Publications, 2018-08-13)
      In this study, we integrate recent in situ measurements with satellite retrievals of dust physical and radiative properties to quantify dust direct radiative effects on shortwave (SW) and longwave (LW) radiation (denoted ...
    • Non-Gaussian Analysis of Observations from the Atmospheric Infrared Sounder Compared with ERA and MERRA Reanalyses 

      De Souza-Machado, Sergio; Tangborn, Andrew; Sura, Philip; Hepplewhite, Christopher; Strow, L. Larrabee (American Meteorological Society (AMS), 2017-05-17)
      Statistical relationships between higher-order moments of probability density functions (PDFs) are used to analyze top-of-atmosphere radiance measurements made by the Atmospheric Infrared Sounder (AIRS) and radiance ...
    • An Overview of Low‐Level Jet Winds and Corresponding Mixed Layer Depths During PECAN 

      Carroll, Brian J.; Demoz, Belay B.; Delgado, Ruben (American Geophysical Union, 2019-08-09)
      Thirty southerly low‐level jet (LLJ) events were observed during the Plains Elevated Convection at Night (PECAN) field campaign in the Great Plains region of the United States during summer 2015. Here we present Doppler ...
    • The Ozone Water–Land Environmental Transition Study 

      Sullivan, John T.; Berkoff, Timothy; Gronoff, Guillaume; Knepp, Travis; Pippin, Margaret; Allen, Danette; Twigg, Laurence; Swap, Robert; Tzortziou, Maria; Thompson, Anne M.; Stauffer, Ryan M.; Wolfe, Glenn M.; Flynn, James; Pusede, Sally E.; Judd, Laura M.; Moore, William; Baker, Barry D.; Al-Saadi, Jay; Mcgee, Thomas J. (American Meteorological Society, 2019-03-14)
      Coastal regions have historically represented a significant challenge for air quality investigations because of water–land boundary transition characteristics and a paucity of measurements available over water. Prior studies ...
    • Progress Report on the Airborne Composition Standard Variable Name and Time Series Working Groups of the 2017 ESDSWG 

      Evans, Keith D.; Early, Amanda; Northrup, Emily; Amers, Dan; Teng, William; Archer, David; Beach, Aubrey; Olding, Steve; Krotkov, Nickolay A. (2017)
    • Quantifying the Impacts of Subpixel Reflectance Variability on Cloud Optical Thickness and Effective Radius Retrievals Based On High-Resolution ASTER Observations 

      Werner, F.; Zhang, Z.; Wind, G.; Miller, D. J.; Platnick, S. (American Geophysical Union, 2018-04-26)
      Recently, Zhang et al. (2016, https://doi.org/10.1002/2016JD024837) presented a mathematical framework based on a second-order Taylor series expansion in order to quantify the plane-parallel homogeneous bias (PPHB) in cloud ...
    • Rapid response quality control service for the laser ranging tracking network 

      Otsubo, Toshimichi; Müller, Horst; Pavlis, Erricos C.; Torrence, Mark H.; Thaller, Daniela; Glotov, Vladimir D.; Wang, Xiaoya; Sośnica, Krzysztof; Meyer, Ulrich; Wilkinson, Matthew J. (Springer Berlin Heidelberg, 2018-09-10)
      Quality control systems for satellite laser ranging (SLR) observations have been developed at a number of analysis institutes worldwide, using various software packages of precise orbit determination and data analysis. ...
    • Recent global warming as confirmed by AIRS 

      Susskind, J.; Schmidt, G. A.; Lee, J. N.; Iredell, L. (IOP Publishing Ltd, 2019-04-17)
      This paper presents Atmospheric Infra-Red Sounder (AIRS) surface skin temperature anomalies for the period 2003 through 2017, and compares them to station-based analyses of surface air temperature anomalies (principally ...
    • Retrieval of aerosol properties and water-leaving reflectance from multi-angular polarimetric measurements over coastal waters 

      Gao, Meng; Zhai, Peng-Wang; Franz, Bryan; Hu, Yongxiang; Knobelspiesse, Kirk; Werdell, P. Jeremy; Amir, Ibrahim; Xu, Feng; Cairns, Brian (The Optical Society, 2018)
      Ocean color remote sensing is an important tool to monitor water quality and biogeochemical conditions of ocean. Atmospheric correction, which obtains water-leaving radiance from the total radiance measured by satellite-borne ...
    • Retrieval of ice cloud properties using an optimal estimation algorithm and MODIS infrared observations: 1. Forward model, error analysis, and information content 

      Wang, Chenxi; Platnick, Steven; Zhang, Zhibo; Meyer, Kerry; Yang, Ping (AGU, 2016-05-17)
      An optimal estimation (OE) retrieval method is developed to infer three ice cloud properties simultaneously: optical thickness (τ), effective radius (r ₑ𝒻𝒻 ), and cloud top height (h). This method is based on a fast ...
    • Retrieval of ice cloud properties using an optimal estimation algorithm and MODIS infrared observations: 2. Retrieval evaluation 

      Wang, Chenxi; Platnick, Steven; Zhang, Zhibo; Meyer, Kerry; Wind, Gala; Yang, Ping (AGU, 2016-05-17)
      An infrared-based optimal estimation ( OE-IR) algorithm for retrieving ice cloud properties is evaluated. Specifically, the implementation of the algorithm with MODerate resolution Imaging Spectroradiometer (MODIS) observations ...
    • Retrieving Aerosol Characteristics From the PACE Mission, Part 1: Ocean Color Instrument 

      Remer, Lorraine A.; Davis, Anthony B.; Mattoo, Shana; Levy, Robert C.; Kalashnikova, Olga V.; Coddington, Odele; Chowdhary, Jacek; Knobelspiesse, Kirk; Xu, Xiaoguang; Ahmad, Ziauddin; Boss, Emmanuel; Cairns, Brian; Dierssen, Heidi M.; Diner, David J.; Franz, Bryan; Frouin, Robert; Gao, Bo-Cai; Ibrahim, Amir; Martins, J. Vanderlei; Omar, Ali H.; Torres, Omar; Xu, Feng; Zhai, Peng-Wang (Frontiers Media S.A, 2019-07-23)
      NASA’s Plankton, Aerosol, Clouds, ocean Ecosystem (PACE) satellite mission is scheduled to launch in 2022, with the Ocean Color Instrument (OCI) on board. For the first time reflected sunlight from the Earth across a broad ...
    • Retrieving Aerosol Characteristics From the PACE Mission, Part 2: Multi-Angle and Polarimetry 

      Remer, Lorraine A.; Knobelspiesse, Kirk; Zhai, Pengwang; Xu, Feng; Kalashnikova, Olga V.; Chowdhary, Jacek; Hasekamp, Otto; Dubovik, Oleg; Wu, Lianghai; Ahmad, Ziauddin; Boss, Emmanuel; Cairns, Brian; Coddington, Odele; Davis, Anthony B.; Dierssen, Heidi M.; Diner, David J.; Franz, Bryan; Frouin, Robert; Gao, Bo-Cai; Ibrahim, Amir; Levy, Robert C.; Martins, J. Vanderlei; Omar, Ali H.; Torres, Omar (Frontiers Media S.A., 2019-07-23)
      The Plankton, Aerosol, Clouds, ocean Ecosystem (PACE) mission presents new opportunities and new challenges in applying observations of two complementary multi-angle polarimeters for the space-based retrieval of global ...