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Mesoscale meteorological modeling / R.A. Pielke (2002)
Titre : Mesoscale meteorological modeling Type de document : Monographie Auteurs : R.A. Pielke, Auteur Mention d'édition : 2 Editeur : Londres, New York : Academic Press Année de publication : 2002 Collection : International geophysics series num. 78 Importance : 676 p. Format : 16 x 24 cm ISBN/ISSN/EAN : 978-0-12-554766-6 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Atmosphère
[Termes IGN] aérosol
[Termes IGN] chaleur
[Termes IGN] circulation atmosphérique
[Termes IGN] humidité de l'air
[Termes IGN] masse d'air
[Termes IGN] modèle atmosphérique
[Termes IGN] modèle physique
[Termes IGN] propagation d'erreur
[Termes IGN] transformation de coordonnéesRésumé : (Editeur) The second edition of Mesoscale Meteorological Modeling is a fully revised resource for researchers and practitioners in the growing field of meteorological modeling at the mesoscale. Pielke has enhanced the new edition by quantifying model capability (uncertainty) by a detailed evaluation of the assumptions of parameterization and error propagation. Mesoscale models are applied in a wide variety of studies, including weather prediction, regional and local climate assessments, and air pollution investigations. Note de contenu : Preface
1-Introduction
2-Basic Set of Equations
3-Simplification of the Basic Equations
4-Averaging the Conservation Relations
5-Physical and analytic modeling
6-Coordinate Transformations
7-Parameterization-Averaged Subgrid Scale Fluxes
8-Averaged Radiation Flux Divergence
9-Parameterization of Moist Thermodynamic Processes
10-Methods of Solution
11-Boundary and Initial Conditions
12-Model Evaluation
13-Examples of Mesoscale Models
Appendix A: The Solution of Equations with Periodic Boundary Conditions
Appendix B: Model SummaryNuméro de notice : 19704 Affiliation des auteurs : non IGN Nature : Monographie Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=62867 Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 19704-01 47.50 Livre Centre de documentation En réserve M-103 Disponible Chemistry of the upper and lower atmosphere / B.J. Finlayson-Pitts (2001)
Titre : Chemistry of the upper and lower atmosphere : theory, experiments and applications Type de document : Monographie Auteurs : B.J. Finlayson-Pitts, Auteur ; J.N. Pitts, Auteur Editeur : Londres, New York : Academic Press Année de publication : 2001 Importance : 970 p. Format : 23 x 28 cm ISBN/ISSN/EAN : 978-0-12-257060-5 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Atmosphère
[Termes IGN] aérosol
[Termes IGN] azote
[Termes IGN] changement climatique
[Termes IGN] gaz
[Termes IGN] pollution atmosphérique
[Termes IGN] stratosphère
[Termes IGN] troposphèreRésumé : (Editeur) This state-of-the-art book is a comprehensive treatment of atmospheric chemistry, including the application of measurements, mechanisms, and models to systems ranging from natural to highly polluted urban areas. Fundamentals are presented in a manner valuable not only to graduate students, postdoctoral fellows, and atmospheric chemists, but also to scientists and engineers in related areas. The current state of knowledge in this exciting and dynamic area is examined in depth, with emphasis on the chemical and physical interactions between the troposphere and the stratosphere. This book concludes by drawing on material in the 15 previous chapters to explore its application to the development of reliable risk assessments and effective control strategies for ozone, acids, particles, and airborne toxic chemicals. Note de contenu : 1- Overview of the Chemistry of Polluted and Remote Atmospheres
2- The Atmospheric System
3- Spectroscopy and Photochemistry: Fundamentals
4- Photochemistry of Important Atmospheric Species
5- Kinetics and Atmospheric Chemistry
6- Rates and Mechanisms of Gas-Phase Reactions in Irradiated Organic-NOx-Air Mixtures
7- Chemistry of Inorganic Nitrogen Compounds
8- Acid Deposition: Formation and Fates of Inorganic and Organic Acids in the Troposphere
9- Particles in the Troposphere
10- Airborne Polycyclic Aromatic Hydrocarbons and Their Derivatives: Atmospheric Chemistry and Toxicological Implications
11- Analytical Methods and Typical Atmospheric Concentrations for Gases and Particles
12- Homogeneous and Heterogeneous Chemistry in the Stratosphere
13- Scientific Basis for Control of Halogenated Organics
14- Global Tropospheric Chemistry and Climate Change
15- Indoor Air Pollution: Sources, Levels, Chemistry, and Fates
16- Applications of Atmospheric Chemistry: Air Pollution Control Strategies and Risk Assessments for Tropospheric Ozone and Associated Photochemical Oxidants, Acids, Particles, and Hazardous Air PollutantsNuméro de notice : 19703 Affiliation des auteurs : non IGN Nature : Monographie Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=62866 Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 19703-01 47.50 Livre Centre de documentation En réserve M-103 Disponible Fundamentals of physics and chemistry of the atmosphere / G. Visconti (2001)
Titre : Fundamentals of physics and chemistry of the atmosphere Type de document : Monographie Auteurs : G. Visconti, Auteur Editeur : Berlin, Heidelberg, Vienne, New York, ... : Springer Année de publication : 2001 Importance : 593 p. Format : 16 x 24 cm + 1 cédérom ISBN/ISSN/EAN : 978-3-540-67420-7 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Atmosphère
[Termes IGN] aérosol
[Termes IGN] atmosphère terrestre
[Termes IGN] circulation atmosphérique
[Termes IGN] climat terrestre
[Termes IGN] gaz
[Termes IGN] nuage
[Termes IGN] planète
[Termes IGN] rayonnement électromagnétique
[Termes IGN] rayonnement solaire
[Termes IGN] stratosphère
[Termes IGN] thermodynamique
[Termes IGN] troposphèreNuméro de notice : 14656 Affiliation des auteurs : non IGN Nature : Monographie Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=55022 Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 14656-01 47.50 Livre Centre de documentation En réserve M-103 Disponible
Titre : Solar spectrometry for determination of tropospheric water vapor Type de document : Thèse/HDR Auteurs : Bernd Sierk, Auteur Editeur : Zurich : Schweizerischen Geodatischen Kommission / Commission Géodésique Suisse Année de publication : 2001 Collection : Geodätisch-Geophysikalische Arbeiten in der Schweiz, ISSN 0257-1722 num. 62 Importance : 212 p. Format : 21 x 30 cm ISBN/ISSN/EAN : 978-3-908440-04-8 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes IGN] absorption atmosphérique
[Termes IGN] campagne d'expérimentation
[Termes IGN] modèle de transfert radiatif
[Termes IGN] propagation troposphérique
[Termes IGN] rayonnement solaire
[Termes IGN] spectromètre
[Termes IGN] spectrométrie
[Termes IGN] traitement de données
[Termes IGN] troposphère
[Termes IGN] vapeur d'eauRésumé : (Auteur) This study reports the development of a new instrumental approach to ground based remote sensing of tropospheric water vapor. It is based on the Differential Optical Absorption Spectroscopy (DOAS)-technique using high-resolution absorption spectra of solar radiation in the visible and near infrared spectral region. The investigations include theoretical aspects of the measurement process, simulations for optimizing instrumental parameters, design and construction of the spectrometer system, as well as validation of the technique by comparisons with independent methods. The first step was the implementation of a numerical radiative transfer model which simulates the process of molecular line absorption in the troposphere. It computes theoretical transmission functions of the atmosphere by calculating superposed individual transitions on a line-by-line basis. The line parameters of the vibrationrotational transitions were taken from the molecular database HITRAN. The model was used for determining the specifications of the spectrometer system, such as the optimum spectral intervals for the DOAS measurements. On the basis of these simulations a dedicated DOAS system was developed, which comprises a Sun tracking telescope with integrated premonochromator and a highresolution Echelle grating spectrometer called SAMOS (Solar Atmospheric MOnitoring Spectrometer). The spectrometer prototype is characterized by a high spectral resolution of better then 2 picometers over the entire measurable range and an integrated absolute wavelength calibration based on simultaneous measurements of neon reference spectra. The algorithm for processing SAMOS spectra is based on a least squares fit of the radiative transfer model to the measured spectra by adjusting the parameter for the precipitable water vapor (PW). First results revealed offsets between retrievals from different spectral intervals, implying significant errors in the HITRAN line parameters. Therefore line strength parameters were estimated using a dataset of radiosonde soundings and simultaneous SAMOS measurements, which greatly enhanced the redundancy of the retrievals. The new instrument was deployed in several field campaigns with collocated water vapor radiometers (WVR) and Global Positioning System (GPS) receivers, in which the feasibility of the solar spectrometry technique was proven. The comparison of SAMOS results with PW estimates from GPS data yielded a statistical agreement within 1 kg/m. However, systematic deviations were observed which are likely to arise from inherent effects of the GPS meteorology technique. The accuracy analysis of the solar spectrometry approach revealed that the largest fraction of retrieval error arises from uncertainties in the line parameters. The low sensitivity to model assumptions on meteorological profiles enables accurate retrievals of PW, but was found to render the possibility of deriving vertical humidity profiles from SAMOS spectra impracticable. The new technique can contribute to the validation and calibration of GPS water vapor estimates for meteorological applications. Numéro de notice : 13176 Affiliation des auteurs : non IGN Autre URL associée : http://dx.doi.org/10.3929/ethz-a-004039907 Thématique : IMAGERIE Nature : Thèse étrangère DOI : 10.3929/ethz-a-004039907 En ligne : https://www.sgc.ethz.ch/sgc-volumes/sgk-62.pdf Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=54901 Exemplaires(2)
Code-barres Cote Support Localisation Section Disponibilité 13176-02 35.45 Livre Centre de documentation Télédétection Disponible 13176-01 35.45 Livre Centre de documentation Télédétection Disponible Spatial and temporal distribution of atmospheric water vapor using space geodetic techniques / Lars Peter Kruse (2001)
Titre : Spatial and temporal distribution of atmospheric water vapor using space geodetic techniques Type de document : Thèse/HDR Auteurs : Lars Peter Kruse, Auteur Editeur : Zurich : Schweizerischen Geodatischen Kommission / Commission Géodésique Suisse Année de publication : 2001 Collection : Geodätisch-Geophysikalische Arbeiten in der Schweiz, ISSN 0257-1722 num. 61 Importance : 128 p. Format : 21 x 30 cm ISBN/ISSN/EAN : 978-3-908440-03-1 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de géodésie spatiale
[Termes IGN] analyse comparative
[Termes IGN] atmosphère terrestre
[Termes IGN] distribution spatiale
[Termes IGN] données GPS
[Termes IGN] modèle atmosphérique
[Termes IGN] temps réel
[Termes IGN] teneur en vapeur d'eau
[Termes IGN] tomographie
[Termes IGN] troposphère
[Termes IGN] vapeur d'eau
[Termes IGN] water vapour radiometerIndex. décimale : 30.84 Applications de géodésie spatiale à l'atmosphère Résumé : (Auteur) This work investigates methodological aspects of the Global Positioning System (GPS) to validate its potential as a remote sensing tool for monitoring atmospheric water vapor. GPS estimates of integral precipital water vapor (IPWV) are compared with simultaneous measurements of collocated Water Vapor Radiometers (WVR), as well as atmospheric refraction models for validation of GPS for meteorological applications.
Based on a one year data set of continuous GPS estimates and WVR observations at ETH Zurich a standard deviation of 1.54 mm and an offset of 0.54 mm IPWV is found between the two techniques. The analysis of several dedicated observation campaigns carried out at different sites in Europe and on Hawaii revealed offsets between GPS estimates and WVR observations.
The instrumental methods are also compared with a numerical model of the troposphere using ground meteorological observations and radiosondes from the station Payerne of the Swiss meteorological network (ANETZ). The modeling results, obtained with a software package performing four-dimensional interpolations by collocation yield a standard deviation of 2.88 mm and a bias of 2.23 mm IPWV with respect to the GPS derived time series of IPWV. Furthermore a clear seasonal dependency of the GPS - WVR differences is recognized. Mainly the periods dominated by strong fluctuations of water vapor during summer and autumn months degrade the agreement between the two techniques.
Because of the high correlation between GPS estimated tropospheric parameters and the height component, potential error sources are investigated.
The accuracy of GPS-derived IPWV in near real-time for consideration in weather forecasting is degraded due to insufficient satellite orbit quality. Investigations on the impact of implementing predicted orbit information on GPS water vapor retrievals showed that the accuracy degrades by a factor of about 2 compared to results obtained with final precise orbits as released by the International GPS Service (IGS) about two weeks after the observations.
Finally the potential of GPS for resolving three-dimensional distributions of tropospheric water vapor by means of the tomographic technique is investigated and applied within this work. For this purpose a software package called AWATOS (Atmospheric WAter vapor TOmography Software) was developed. In order to validate the tomographic approach a dedicated field experiment was carried out on the Big Island of Hawaii, USA. Tomographic results based on the extremely dense Continuous GPS (CGPS) network in the Mt. Kilauea and Mauna Loa volcano area are presented. They are compared to other independent techniques, such as radiosondes, Water Vapor Radiometers, and a high resolution solar spectrometer.Numéro de notice : 13061 Affiliation des auteurs : non IGN Autre URL associée : http://dx.doi.org/10.3929/ethz-a-003884306 Thématique : POSITIONNEMENT Nature : Thèse étrangère DOI : 10.3929/ethz-a-003884306 En ligne : https://www.sgc.ethz.ch/sgc-volumes/sgk-61.pdf Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=54862 Exemplaires(2)
Code-barres Cote Support Localisation Section Disponibilité 13061-02 30.84 Livre Centre de documentation Géodésie Disponible 13061-01 30.84 Livre Centre de documentation Géodésie Disponible Techniques for the retrieval of aerosol properties over land and ocean using multiangle imaging / J.V. Martonchik in IEEE Transactions on geoscience and remote sensing, vol 36 n° 4 (July 1998)PermalinkSystème DORIS : applications scientifiques / Pascal Willis in XYZ, n° 73 (septembre - novembre 1997)PermalinkUtilisation de la méthode de positionnement satellitaire GPS pour la détermination précise des altitudes relatives et absolues / Erik Doerflinger (1997)PermalinkFundamentals of atmospheric physics / M.L. Salby (1995)PermalinkPermalinkL'atmosphère moyenne et les observations spatiales, école d'été internationale de physique spatiale, Marseille, août 1990 / Centre national d'études spatiales (1991)PermalinkPropagation des rayonnements électromagnétiques / Michel Kasser (1991)PermalinkSuivi par mesures photométriques de l'épaisseur optique des aérosols et du contenu en vapeur d'eau de l'atmosphère sahélienne / C.A. Faizoun (1991)PermalinkMapping continental-scale biomass burning and smoke palls over the amazon basin as observed from the space shuttle / M.R. Helfert in Photogrammetric Engineering & Remote Sensing, PERS, vol 56 n° 10 (october 1990)PermalinkAtmospheric water vapour over oceans from SSM-I measurements / P. Schluessel in International Journal of Remote Sensing IJRS, vol 11 n° 5 (May 1990)Permalink