Convective Precipitation Simulated With Icon Over Heterogeneous Surfaces In Dependence On Model And Land Surface Resolution
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Convective Precipitation Simulated With Icon Over Heterogeneous Surfaces In Dependence On Model And Land Surface Resolution
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Author : Singh, Shweta
language : en
Publisher: KIT Scientific Publishing
Release Date : 2021-08-16
Convective Precipitation Simulated With Icon Over Heterogeneous Surfaces In Dependence On Model And Land Surface Resolution written by Singh, Shweta and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-08-16 with Science categories.
The impact of land-surface properties like vegetation, soil type, soil moisture, and the orography on the atmosphere is manifold. These features determine the evolution of the atmospheric boundary layer, convective conditions, cloud evolution and precipitation. The impact of model grid spacing and land-surface resolution on convective precipitation over heterogeneous surfaces is investigated using ICOsahedral Nonhydrostatic (ICON) simulations within the framework of the HD(CP)2 project.
Representation Of Warm Conveyor Belts In Sub Seasonal Forecast Models And The Link To Atlantic European Weather Regimes
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Author : Wandel, Jan Lucas
language : en
Publisher: KIT Scientific Publishing
Release Date : 2023-05-25
Representation Of Warm Conveyor Belts In Sub Seasonal Forecast Models And The Link To Atlantic European Weather Regimes written by Wandel, Jan Lucas and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-05-25 with Science categories.
This study systematically investigates the representation of warm conveyor belts (WCBs) in large reforecast data sets of different numerical weather prediction models and evaluates the role of WCBs for the onset and life cycle of Atlantic-European weather regimes. The results emphasize the importance of accurate forecast of WCBs for sub-seasonal prediction on time scales beyond two weeks and tie the low forecast skill of blocked weather regimes over Europe to misrepresented WCBs.
Perspectives On Warm Conveyor Belts Sensitivities To Ensemble Configuration And The Role For Forecast Error
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Author : Pickl, Moritz
language : en
Publisher: KIT Scientific Publishing
Release Date : 2023-03-30
Perspectives On Warm Conveyor Belts Sensitivities To Ensemble Configuration And The Role For Forecast Error written by Pickl, Moritz and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-03-30 with Science categories.
Warm conveyor belts (WCBs) are weather systems that substantially modulate the large-scale extratropical circulation. As they can amplify forecast errors and project them onto the Rossby wave pattern, they are of high relevance for numerical weather prediction. This work elaborates on two aspects of WCBs in the context of ensemble forecasts: (1) sensitivities of WCBs to the representation of initial condition and model uncertainties, and (2) the role of WCBs for forecast error growth.
Einfluss Atmosph Rischer Umgebungsbedingungen Auf Den Lebenszyklus Konvektiver Zellen In Der Echtzeit Vorhersage
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Author : Wilhelm, Jannik
language : de
Publisher: KIT Scientific Publishing
Release Date : 2022-08-23
Einfluss Atmosph Rischer Umgebungsbedingungen Auf Den Lebenszyklus Konvektiver Zellen In Der Echtzeit Vorhersage written by Wilhelm, Jannik and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-08-23 with Science categories.
Präzise Warnungen vor den Begleiterscheinungen von Gewittern sind für Präventionsmaßnahmen unerlässlich. Die dynamische Entwicklung von Gewitterzellen führt oft zu einer großen Diskrepanz zwischen den Echtzeit-Vorhersagen der Wetterdienste und den beobachteten Wetterbedingungen. Daten eines Zellverfolgungsalgorithmus werden mit Modellanalysen kombiniert, um den Lebenszyklus von Gewittern in Deutschland zu analysieren und Verfahren für die Echtzeit-Vorhersage zu entwickeln und zu evaluieren. - Precise warnings of the accompanying effects of thunderstorms are essential for preventive measures. The dynamic development of thunderstorm cells often leads to a large discrepancy between the real-time forecasts (nowcasts) of weather services and the observed weather conditions. Data from a cell tracking algorithm are combined with model analyses to investigate the life cycle of thunderstorms in Germany and to develop and evaluate procedures useful for thunderstorm nowcasting.
Cloud Resolving Modeling Of Convective Processes
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Author : Xiaofan Li
language : en
Publisher: Springer
Release Date : 2016-05-17
Cloud Resolving Modeling Of Convective Processes written by Xiaofan Li and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-05-17 with Science categories.
This is an updated and revised second edition of the book presenting new developments in the field of cloud-resolving modeling. The first edition of the book introduces the framework of cloud-resolving model, methodologies for analysis of modeling outputs, and validation of simulations with observations. It details important scientific findings in the aspects of surface rainfall processes, precipitation efficiency, dynamic and thermodynamic processes associated with tropical convection, diurnal variations, radiative and cloud microphysical processes associated with development of cloud clusters, air-sea coupling on convective scales, climate equilibrium states, and remote sensing applications. In additional to the content from the first edition of the book, the second edition of the book contains the new scientific results in the development of convective-stratiform rainfall separation scheme, the analysis of structures of precipitation systems, the thermal effects of doubled carbon dioxide on rainfall, precipitation predictability, and modeling depositional growth of ice crystal. The book will be beneficial both to graduate students and to researchers who do cloud, mesoscale and global modeling.
Boundary Layer Structure
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Author : Hadassah Kaplan
language : en
Publisher: Springer Science & Business Media
Release Date : 1984-12-31
Boundary Layer Structure written by Hadassah Kaplan and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984-12-31 with Science categories.
In this volume, we present the lectures given during the 1984 OHOLO Conference, held in Zichron Yaacov, Israel. The Conference was organized by the Israel Institute for Biological Research, Department of Mathematics, which is involved in Environmental Risk Evaluation, and in Projects Estimating the Potential of Wind Energy. The lectures cover a broad spectrum of mathematical models, ranging from those that deal with the solution of atmospheric conservation equations, and to those models that yield empirical estimates based on real time measure ments and thus are unique to the locale where measured. The goal of the Conference was to allow scientists from various countries to meet and discuss topics of mutual interest, including the following: 1. Structure of the boundary layer - primarily models dealing in the understanding of the various processes of atmospheric energy transfer, and their influence on the size and composition of the boundary 1 ayer. 2. Advanced mathematical techniques for describing flow and diffusion - lectures on approximations and techniques for solving the diffu sion and transport equations. 3. Flow over complex terrain - research into various aspects of the problem - mathematical models, physical models, experimental results. 4. Models of pollution transport and deposition.
Evapotranspiration Over Heterogeneous Vegetated Surfaces
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Author : Yuting Yang
language : en
Publisher: Springer
Release Date : 2015-02-03
Evapotranspiration Over Heterogeneous Vegetated Surfaces written by Yuting Yang and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-02-03 with Science categories.
The focus of this work is the development of models to estimate evapotranspiration (ET), investigating the partitioning between soil evaporation and plant transpiration at field and regional scales, and calculating ET over heterogeneous vegetated surfaces. Different algorithms with varying complexities as well as spatial and temporal resolutions are developed to estimate evapotranspiration from different data inputs. The author proposes a novel approach to estimate ET from remote sensing by exploiting the linkage between water and carbon cycles. At the field scale, a hybrid dual source model (H-D model) is proposed. It is verified with field observations over four different ecosystems and coupled with a soil water and heat transfer model, to simulate water and heat transfer in the soil-plant-atmosphere continuum. At the regional scale, a hybrid dual source scheme and trapezoid framework based ET model (HTEM), using remote sensing images is developed. This model is verified with data from the USA and China and the impact of agricultural water-saving on ET of different land use types is analyzed, in these chapters. The author discusses the potential of using a remote sensing ET model in the real management of water resources in a large irrigation district. This work would be of particular interest to any hydrologist or micro-meteorologist who works on ET estimation and it will also appeal to the ecologist who works on the coupled water and carbon cycles. Land evapotranspiration is an important research topic in hydrology, meteorology, ecology and agricultural sciences. Dr. Yuting Yang works at the CSIRO Land and Water, Canberra, Australia.
Urban Climates
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Author : T. R. Oke
language : en
Publisher: Cambridge University Press
Release Date : 2017-09-14
Urban Climates written by T. R. Oke and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09-14 with Nature categories.
The first full synthesis of modern scientific and applied research on urban climates, suitable for students and researchers alike.
Cumulus Dynamics
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Author : Chao Jih-Ping
language : en
Publisher:
Release Date : 1969
Cumulus Dynamics written by Chao Jih-Ping and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Cloud physics categories.
Statistical Downscaling And Bias Correction For Climate Research
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Author : Douglas Maraun
language : en
Publisher: Cambridge University Press
Release Date : 2018-01-18
Statistical Downscaling And Bias Correction For Climate Research written by Douglas Maraun and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-01-18 with Mathematics categories.
A comprehensive and practical guide, providing technical background and user context for researchers, graduate students, practitioners and decision makers. This book presents the main approaches and describes their underlying assumptions, skill and limitations. Guidelines for the application of downscaling and the use of downscaled information in practice complete the volume.