Now showing items 56-75 of 107

    • 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 ...
    • Learning from GES DISC's MLS and OMI Data Users: Metrics Matter 

      Wei, Jennifer; Shen, Suhung; Shie, Chung-Lin; Johnson, James; Lei, Guang-Dih; Owens, Elaine; Alcott, Gary; Meyer, David J. (NASA Technical Reports Server, 2019-08-27)
      It has been over 15 years since Aura research satellite launched in 2004 to observe the Earth's ozone layer, air quality, and climate from four different instruments - the High Resolution Dynamics Limb Sounder (HIRDLS), ...
    • 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 machine learning examination of hydroxyl radical differences among model simulations for CCMI-1 

      Nicely, Julie M.; Duncan, Bryan N.; Hanisco, Thomas F.; Wolfe, Glenn M.; Salawitch, Ross J.; Deushi, Makoto; Haslerud, Amund S.; Jöckel, Patrick; Josse, Béatrice; Kinnison, Douglas E.; Klekociuk, Andrew; Manyin, Michael E.; Marécal, Virginie; Morgenstern, Olaf; Murray, Lee T.; Myhre, Gunnar; Oman, Luke D.; Pitari, Giovanni; Pozzer, Andrea; Quaglia, Ilaria; Revell, Laura E.; Rozanov, Eugene; Stenke, Andrea; Stone, Kane; Strahan, Susan; Tilmes, Simone; Tost, Holger; Westervelt, Daniel M.; Zeng, Guang (EGU Publications, 2020-02-05)
      The hydroxyl radical (OH) plays critical roles within the troposphere, such as determining the lifetime of methane (CH₄), yet is challenging to model due to its fast cycling and dependence on a multitude of sources and ...
    • 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 ...
    • Modeling Cloud Reflectance Fields using Conditional Generative Adversarial Networks 

      Schmidt, Victor; Alghali, Mustafa; Sankaran, Kris; Bengio, Yoshua; Yuan, Tianle (2020-02-10)
      We introduce a conditional Generative Adversarial Network (cGAN) approach to generate cloud reflectance fields (CRFs) conditioned on large scale meteorological variables such as sea surface temperature and relative humidity. ...
    • 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 ...
    • Overview of the New Version 3 NASA Micro-Pulse Lidar Network (MPLNET) Automatic Precipitation Detection Algorithm 

      Lolli, Simone; Vivone, Gemine; Lewis, Jasper R.; Sicard, Michaël; Welton, Ellsworth J.; Campbell, James R.; Comerón, Adolfo; D’Adderio, Leo Pio; Tokay, Ali; Giunta, Aldo; Pappalardo, Gelsomina (MDPI, 2019-12-24)
      Precipitation modifies atmospheric column thermodynamics through the process of evaporation and serves as a proxy for latent heat modulation. For this reason, a correct precipitation parameterization (especially for ...
    • 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 ...
    • The Plankton, Aerosol, Cloud, Ocean Ecosystem Mission: Status, Science, Advances 

      Werdell, P. Jeremy; Behrenfeld, Michael J.; Bontempi, Paula S.; Boss, Emmanuel; Cairns, Brian; Davis, Gary T.; Franz, Bryan A.; Gliese, Ulrik B.; Gorman, Eric T.; Hasekamp, Otto; Knobelspiesse, Kirk D.; Mannino, Antonio; Martins, J. Vanderlei; McClain, Charles R.; Meister, Gerhard; Remer, Lorraine A. (American Meteorological Society, 2019-09-27)
      The Plankton, Aerosol, Cloud, Ocean Ecosystem (PACE) mission represents the National Aeronautics and Space Administration’s (NASA) next investment in satellite ocean color and the study of Earth’s ocean–atmosphere system, ...
    • Preface to the second special issue on Laser Ranging 

      Pavlis, Erricos C.; Luceri, Vincenza; Otsubo, Toshimichi; Schreiber, Ulrich (Springer Berlin Heidelberg, 2019-10-10)
    • 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 ...