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  • 1
    Keywords: Atmospheric science. ; Measurement. ; Measuring instruments. ; Geographic information systems. ; Lasers. ; Outer space Exploration. ; Astronautics. ; Atmospheric Science. ; Measurement Science and Instrumentation. ; Geographical Information System. ; Laser. ; Space Exploration and Astronautics.
    Description / Table of Contents: Chapter 1. Rotational Raman scattering through narrow-band interference filters: investigating uncertainties using a new Rayleigh scattering code developed within ACTRIS -- Chapter 2. Performance of Low-Cost, Diode-Based HSRL System with Simplified Optical Setup -- Chapter 3. Sensitivity Study on the Performance of the Single Calculus Chain Aerosol Layering Module -- Chapter 4. Particle Complex Refractive Index From 3+2 HSRL/Raman Lidar Measurements: Conditions of Accurate Retrieval, Uncertainties and Constraints Provided by Information About RH -- Chapter 5. Field Testing of a Diode-Laser-Based Micro Pulse Differential Absorption Lidar System to Measure Atmospheric Thermodynamic Variables -- Chapter 6. SEMICONDUCTOR LIDAR FOR QUANTITATIVE ATMOSPHERIC PROFILING -- Chapter 7. Atomic Barium Vapor Filter for Ultraviolet High Spectral Resolution Lidar -- Chapter 8. Future Lidars for Cutting-Edge Sciences in Ionosphere-Thermosphere-Mesosphere-Stratosphere Physics and Space-Atmosphere Coupling -- Chapter 9. Polarization Lidar for Monitoring Dust Particle Orientation: First Measurements -- Chapter 10. Dust flow distribution measurement by low coherence Doppler lidar -- Chapter 11. A Multi-wavelength LED lidar for near ground atmospheric monitoring -- Chapter 12. Development of low-cost high-spectral-resolution lidar using compact multimode laser for air quality measurement -- Chapter 13. Deep Learning Based Convective Boundary Layer Determination for Aerosol and Wind Profiles observed by Wind Lidar -- Chapter 14. LITES: Laboratory Investigations of Atmospheric Aerosol Composition by Raman-Scattering and Fluorescence Spectra -- Chapter 15. Performance Simulation of a Raman Lidar for the Retrieval of CO2 Atmospheric Profiles -- Chapter 16. ALL FIBER FREE-RUNNING DUAL-COMB RANGING SYSTEM -- Chapter 17. gPCE Uncertainty Quantication Modeling of LiDAR for Bathymetric and Earth Science Applications -- Chapter 18. When can Poisson random variables be approximated as Gaussian? -- Chapter 19. Enhancing the Performance of the MicroPulse DIAL through Poisson Total Variation Signal Processing -- Chapter 20. Development of Micro Pulse Lidar Network (MPLNET) Level 3 Satellite Validation Products in Advance of the EarthCARE Mission -- Chapter 21. 3D Point Cloud Classification using Drone-based Scanning LIDAR and Signal Diversity -- Chapter 22. Design and Validation of an Elastic Lidar Simulator for Testing Potential New Systems for Aerosol Typing -- Chapter 23. Performance of Pulsed Wind Lidar Based on Optical Hybrid -- Chapter 24. Demonstrating Capabilities of Multiple-Beam Airborne Doppler Lidar Using a LES-based Simulator -- Chapter 25. All-Solid State Iron Resonance Lidar for Measurement of Temperature and Winds in the Upper Mesosphere and Lower Thermosphere -- Chapter 26. Improved Remote Operation Capabilities for the NASA GSFC Tropospheric Ozone Lidar for Routine Ozone Profiling for Satellite Evaluation -- Chapter 27. A wind, temperature, H2O and CO2 scanning lidar mobile observatory for a 3D thermodynamic view of the atmosphere -- Chapter 28. Low-Cost and Lightweight Hyperspectral Lidar for Mapping Vegetation Fluorescence -- Chapter 29. SO2 Plumes Observation with LMOL: Theory, Modeling, and Validation -- Chapter 30. Possible Use of Iodine Absorption/Fluorescence Cell in High-Spectral-Resolution Lidar -- Chapter 31. Ten Years of Interdisciplinary Lidar Applications at SCNU, Guangzhou -- Chapter 32. Feasibility studies of the dual-polarization imaging lidar based on the division-of-focal-plane scheme for atmospheric remote sensing -- Chapter 33. An Algorithm to Retrieve Aerosol Optical Properties from ATLID and MSI Measurements -- Chapter 34. Observation of Polar Stratospheric Clouds at Dome C, Antarctica -- Chapter 35. Laboratory Evaluation of the Lidar Particle Depolarization Ratio (PDR) of Sulfates, Soot, and Mineral Dust at 180.0° Lidar Backscattering Angle -- Chapter 36. Fresh biomass burning aerosol observed in Potenza with multiwavelength Raman Lidar and sun-photometer -- Chapter 37. Aerosol Studies with Spectrometric Fluorescence and Raman Lidar -- Chapter 38. Continuous Observations of Aerosol-Weather Relationship from a Horizontal Lidar to Simulate Monitoring of Radioactive Dust in Fukashima, Japan -- Chapter 39. Statistical Simulation of Laser Pulse Propagation through Cirrus-cloudy Atmosphere -- Chapter 40. Aerosol Spatial Distribution Observed by a Mobile Vehicle Lidar with Optics for Near Range Detection -- Chapter 41. Cloud Base Height Correlation between a Co-located Micro-Pulse Lidar and a Lufft CHM15k Ceilometer -- Chapter 42. Comparison of Local and Transregional Atmospheric Particles Over the Urmia Lake in Northwest Iran, Using a Polarization Lidar Recordings -- Chapter 43. Properties of Polar Stratospheric Clouds over the European Arctic from Ground-Based Lidar -- Chapter 44. Two decades analysis of cirrus cloud radiative effects by lidar observations in the frame of NASA MPLNET lidar network -- Chapter 45. Temporal Variability of the Aerosol Properties Using a Cimel Sun/Lunar Photometer over Thessaloniki, Greece: Synergy With the Upgraded THELISYS Lidar System -- Chapter 46. Long-Term Changes of Optical Properties of Mineral Dust and Its Mixtures Derived from Raman Polariza-tion Water Vapor Lidar in Central Europe -- Chapter 47. Planetary Boundary Layer Height Measurements Using MicroPulse DIAL -- Chapter 48. Performance Modeling of a Diode-Laser-Based Direct Detection Doppler Lidar -- Chapter 49. Observation of Water Vapor Profiles by Raman Lidar with 266 nm laser in Tokyo -- Chapter 50. A 355-NM DIRECT-DETECTION DOPPLER WIND LIDAR FOR VERTICAL ATMOSPHERIC MOTION -- Chapter 51. Aircraft Wake Vortex Recognition and Classification Based on Coherent Doppler Lidar and Convolutional Neural Networks -- Chapter 52. MicroPulse Differential Absorption Lidar for Temperature Retrieval in the Lower Troposphere -- Chapter 53. Long Term Calibration of a Pure Rotational Raman Lidar for Temperature Measurements Using Radiosondes and Solar Background -- Chapter 54. Powerful Raman-Lidar for water vapor in the free troposphere and lower stratosphere as well as temperature in the stratosphere and mesosphere -- Chapter 55. Observation of Rainfall Velocity and Raindrop Size Using Power Spectrum of Coherent Doppler Lidar -- Chapter 56. Comparison of Lower Tropospheric Water Vapor Vertical Distribution Measured with Raman lidar and DIAL and Their Impact of Data Assimilation in Numerical Weather Prediction Model -- Chapter 57. Temperature Variations in the Middle Atmosphere Studied with Rayleigh Lidar at Haikou (19.9°N, 110.3°E) -- Chapter 58. Convective boundary layer sensible and latent heat flux lidar observations and towards new model parametrizations -- Chapter 59. Observation of Structure of Marine Atmospheric Boundary Layer by Ceilometer over the Kuroshio Current.-Chapter 60. ABL Height Different Estimation by Lidar in the Frame of HyMeX SOP1 Campaign -- Chapter 61. Temporal Evolution of Wavelength and Orientation of Atmospheric Canopy Waves -- Chapter 62. Assessment of Planetary Boundary Layer Height Variations over a Mountain Region in Western Himalayas -- Chapter 63. Analysis of Updraft Characteristics from an Airborne Micro-Pulsed Doppler Lidar During FIREX-AQ -- Chapter 64. Diurnal Variability of MLH and Ozone in NYC Urban and Coastal Area from an Integrated Observation during LISTOS 2018 -- Chapter 65. Boundary Layer Dynamics, Aerosol Composition, and Air Quality in the Urban Background of Stuttgart in Winter -- Chapter 66. DIAL Ozone Measurement Capability Added to NASA’s HSRL-2 Instrument Demonstrates Troposheric Ozone Variability Over Houston Area -- Chapter 67. Trajectory Analysis of CO2 Concentration Increase Events in the Nocturnal Atmospheric Boundary Layer Observed by the Differential Absorption Lidar -- Chapter 68. Efficiency Assessment of Single Cell Raman Gas Mixture for DIAL Ozone Lidar -- Chapter 69. COmpact RamaN lidar for Atmospheric CO2 and ThERmodyNamic ProfilING - CONCERNING -- Chapter 70. Characterization of Recent Aerosol Events Occurring in the Subtropical North Atlantic Region Using a CIMEL CE376 GPN Micro-LiDAR -- Chapter 71. Tropospheric Ozone Differential Absorption Lidar (DIAL) Development at New York City -- Chapter 72. Accounting for the polarizing effects introduced from non ideal quarter-wave plates in lidar measurements of the circular depolarization ratio -- Chapter 73. Investigating the geometrical and optical properties of the persistent stratospheric aerosol layer observed over Thessaloniki, Greece during 2019 -- Chapter 74. New Lidar Data Processing Techniques for Improving the Detection Range and Accuracy of Atmospheric Gravity Wave Measurements -- Chapter 75. Extending the Useful Range of Fluorescence LIDAR Data by Applying the Layered Binning Technique -- Chapter 76. Interaction between sea wave and surface atmosphere by shallow angle LED lidar -- Chapter 77. First results of the COLOR (CDOM-proxy retrieval from aeOLus ObseRvations) project -- Chapter 78. Dual wavelength heterodyne LDA for velocity and size distribution measurements in ocean water flows -- Chapter 79. Mitigation Strategy for the Impact of Low Energy Laser Pulses in CALIOP Calibration and Level 2 Retrievals -- Chapter 80. Introducing the Cloud Aerosol Lidar for Global Scale Observations of the Ocean-Land-Atmosphere System – CALIGOLA -- Chapter 81. An Overview of the NASA Atmosphere Observing System Inclined Mission (AOS-I) and the Role of Backscatter Lidar -- Chapter 82. Proposal for the Space-borne Integrated Path Differential Absorption (IPDA) Lidar for Lower Tropospheric Water Vapor Observations -- Chapter 83. Assimilation of Aerosol Observations from the Future Spaceborne Lidar Onboard the AOS Mission into the MOCAGE Chemistry-Transport Model -- Chapter 84. Aerosol Optical Properties over Western Himalayas Region by Raman Lidar during the December 2019 Annular Solar Eclipse -- Chapte.
    Abstract: This volume presents papers from the biennial International Laser Radar Conference (ILRC), the world’s leading event in the field of atmospheric research using lidar. With growing environmental concerns to address such as air quality deterioration, stratospheric ozone depletion, extreme weather events, and changing climate, the lidar technique has never been as critical as it is today to monitor, alert, and help solve current and emerging problems of this century. The 30th occurrence of the ILRC unveils many of the newest results and discoveries in atmospheric science and laser remote sensing technology. The 30th ILRC conference program included all contemporary ILRC themes, leveraging on both the past events’ legacy and the latest advances in lidar technologies and scientific discoveries, with participation by young scientists particularly encouraged. This proceedings volume includes a compilation of cutting-edge research on the following themes: new lidar techniques and methodologies; measurement of clouds and aerosol properties; atmospheric temperature, wind, turbulence, and waves; atmospheric boundary layer processes and their role in air quality and climate; greenhouse gases, tracers, and transport in the free troposphere and above; the upper mesosphere and lower thermosphere; synergistic use of multiple instruments and techniques, networks and campaigns; model validation and data assimilation using lidar measurements; space-borne lidar missions, instruments and science; ocean lidar instrumentation, techniques, and retrievals; and past, present and future synergy of heterodyne and direct detection lidar applications. In addition, special sessions celebrated 50 years of lidar atmospheric observations since the first ILRC, comprising review talks followed by a plenary discussion on anticipated future directions.
    Type of Medium: Online Resource
    Pages: XXIV, 892 p. 374 illus., 352 illus. in color. , online resource.
    Edition: 1st ed. 2023.
    ISBN: 9783031378188
    Series Statement: Springer Atmospheric Sciences,
    DDC: 551.5
    Language: English
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  • 2
    Electronic Resource
    Electronic Resource
    Berkeley, Calif. : Berkeley Electronic Press (now: De Gruyter)
    Topics in economic analysis & policy 4.2004, 1, art3 
    ISSN: 1538-0653
    Source: Berkeley Electronic Press Academic Journals
    Topics: Economics
    Notes: We consider a computational equilibrium model of spatially differentiated Bertrand competition and apply it to merger analysis. Two pricing paradigms are studied: one where firms cannot price discriminate among customers and one where firms can. The model encompasses many details that make it highly realistic. A detailed example illustrates several insights into merger analysis that are not readily apparent through traditional means. The most important of these is that merger of substitute products under Bertrand price competition need not result in a price increase.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 266 (1975), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1365-2958
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: The symbiosis island of Mesorhizobium loti strain R7A contains genes with strong similarity to the structural vir genes (virB1-11; virD4) of Agrobacterium tumefaciens that encode the type IV secretion system (T4SS) required for T-DNA transfer to plants. In contrast, M. loti strain MAFF303099 lacks these genes but contains genes not present in strain R7A that encode a type III secretion system (T3SS). Here we show by hybridization analysis that most M. loti strains contain the VirB/D4 T4SS and not the T3SS. Strikingly, strain R7A vir gene mutants formed large nodules containing bacteroids on Leucaena leucocephala in contrast to the wild-type strain that formed only uninfected tumour-like structures. A rhcJ T3SS mutant of strain MAFF303099 also nodulated L. leucocephala, unlike the wild type. On Lotus corniculatus, the vir mutants were delayed in nodulation and were less competitive compared with the wild type. Two strain R7A genes, msi059 and msi061, were identified through their mutant phenotypes as possibly encoding translocated effector proteins. Both Msi059 and Msi061 were translocated through the A. tumefaciens VirB/D4 system into Saccharomyces cerevisiae and Arabidopsis thaliana, as shown using the Cre recombinase Reporter Assay for Translocation (CRAfT). Taken together, these results suggest that the VirB/D4 T4SS of M. loti R7A plays an analogous symbiotic role to that of T3SS found in other rhizobia. The heterologous translocation of rhizobial proteins by the Agrobacterium VirB/D4 T4SS is the first demonstration that rhizobial effector proteins are translocated into plant cells and confirms functional conservation between the M. loti and A. tumefaciens T4SS.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Public choice 93 (1997), S. 271-285 
    ISSN: 1573-7101
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract Models of legislative organization frequently begin with the premise that the committee system serves the re-election interests of incumbent legislators. Attempts to substantiate this notion empirically have been unsuccessful. Nevertheless, the notion lives on, nourished by a stylized characterization of the committee system. In the standard model committees have jurisdictional monopolies over specialized policy areas and legislators gravitate toward those committees that deal most closely with the policy concerns of their constituents. Contrary to this simplifying characterization, the degree of monopoly control and policy specialization varies across standing committees in the us congress. Some committees have wide jurisdictions and attract members with diverse policy preferences. Jurisdictional overlap and resulting turf battles are common aspects of congressional sessions. We suggest here that these realities warrant a re-opening of the empirical investigation into the link between electoral success and committee characteristics. Our findings indicate that assignment to a committee with a relatively high degree of monopoly control increases a member's vote share, and that assignment to a narrowly focused (specialized) committee does not.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-0878
    Keywords: Rectal ridge ; Biomphalaria glabrata ; Molluscicides ; Pigment cells ; Microtubule-like structures
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The rectal ridge of Biomphalaria glabrata is covered by a single layer of epithelium which includes cells with microvilli, ciliated cells, and goblet cells. Based on their ultrastructure, it is postulated that the cells bearing microvilli are involved in the transport of materials into and out of the organism. The underlying loose vascular connective tissue contains, among other components, large pigment cells which contain microtubule-like structures within cisternae of granular endoplasmic reticulum. These microtubule-like structures occur in either a dispersed or a condensed configuration. The two configurations may represent different stages of protein synthesis or they may be entirely different organelles.
    Type of Medium: Electronic Resource
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  • 7
    Publication Date: 2015-03-18
    Description: Symbiosis islands are integrative and conjugative mobile genetic elements that convert nonsymbiotic rhizobia into nitrogen-fixing symbionts of leguminous plants. Excision of the Mesorhizobium loti symbiosis island ICEMlSymR7A is indirectly activated by quorum sensing through TraR-dependent activation of the excisionase gene rdfS. Here we show that a +1 programmed ribosomal frameshift (PRF) fuses the coding sequences of two TraR-activated genes, msi172 and msi171, producing an activator of rdfS expression named Frameshifted excision activator (FseA). Mass-spectrometry and mutational analyses indicated that the PRF occurred through +1 slippage of the tRNAphe from UUU to UUC within a conserved msi172-encoded motif. FseA activated rdfS expression in the absence of ICEMlSymR7A, suggesting that it directly activated rdfS transcription, despite being unrelated to any characterized DNA-binding proteins. Bacterial two-hybrid and gene-reporter assays demonstrated that FseA was also bound and inhibited by the ICEMlSymR7A-encoded quorum-sensing antiactivator QseM. Thus, activation of ICEMlSymR7A excision is counteracted by TraR antiactivation, ribosomal frameshifting, and FseA antiactivation. This robust suppression likely dampens the inherent biological noise present in the quorum-sensing autoinduction circuit and ensures that ICEMlSymR7A transfer only occurs in a subpopulation of cells in which both qseM expression is repressed and FseA is translated. The architecture of the ICEMlSymR7A transfer regulatory system provides an example of how a set of modular components have assembled through evolution to form a robust genetic toggle that regulates gene transcription and translation at both single-cell and cell-population levels.
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
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    Publication Date: 2016-10-12
    Description: Integrative and conjugative elements (ICEs) are ubiquitous mobile genetic elements present as “genomic islands” within bacterial chromosomes. Symbiosis islands are ICEs that convert nonsymbiotic mesorhizobia into symbionts of legumes. Here we report the discovery of symbiosis ICEs that exist as three separate chromosomal regions when integrated in their hosts, but through recombination assemble as a single circular ICE for conjugative transfer. Whole-genome comparisons revealed exconjugants derived from nonsymbiotic mesorhizobia received three separate chromosomal regions from the donorMesorhizobium ciceriWSM1271. The three regions were each bordered by two nonhomologous integrase attachment (att) sites, which together comprised three homologous pairs ofattLandattRsites. Sequential recombination between eachattLandattRpair produced correspondingattPandattBsites and joined the three fragments to produce a single circular ICE, ICEMcSym1271. A plasmid carrying the threeattPsites was used to recreate the process of tripartite ICE integration and to confirm the role of integrase genesintS,intM, andintGin this process. Nine additional tripartite ICEs were identified in diverse mesorhizobia and transfer was demonstrated for three of them. The transfer of tripartite ICEs to nonsymbiotic mesorhizobia explains the evolution of competitive but suboptimal N2-fixing strains found in Western Australian soils. The unheralded existence of tripartite ICEs raises the possibility that multipartite elements reside in other organisms, but have been overlooked because of their unusual biology. These discoveries reveal mechanisms by which integrases dramatically manipulate bacterial genomes to allow cotransfer of disparate chromosomal regions.
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
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  • 9
    Publication Date: 1984-01-01
    Print ISSN: 0141-1136
    Electronic ISSN: 1879-0291
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering , Geosciences
    Published by Elsevier
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  • 10
    Publication Date: 2019-02-01
    Description: 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 have identified the formation of high levels of ozone over water bodies, such as the Chesapeake Bay, that can potentially recirculate back over land to significantly impact populated areas. Earth-observing satellites and forecast models face challenges in capturing the coastal transition zone where small-scale meteorological dynamics are complex and large changes in pollutants can occur on very short spatial and temporal scales. An observation strategy is presented to synchronously measure pollutants “over land” and “over water” to provide a more complete picture of chemical gradients across coastal boundaries for both the needs of state and local environmental management and new remote sensing platforms. Intensive vertical profile information from ozone lidar systems and ozonesondes, obtained at two main sites, one over land and the other over water, are complemented by remote sensing and in situ observations of air quality from ground-based, airborne (both personned and unpersonned), and shipborne platforms. These observations, coupled with reliable chemical transport simulations, such as the National Oceanic and Atmospheric Administration (NOAA) National Air Quality Forecast Capability (NAQFC), are expected to lead to a more fully characterized and complete land–water interaction observing system that can be used to assess future geostationary air quality instruments, such as the National Aeronautics and Space Administration (NASA) Tropospheric Emissions: Monitoring of Pollution (TEMPO), and current low-Earth-orbiting satellites, such as the European Space Agency’s Sentinel-5 Precursor (S5-P) with its Tropospheric Monitoring Instrument (TROPOMI).
    Print ISSN: 0003-0007
    Electronic ISSN: 1520-0477
    Topics: Geography , Physics
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