South African Weather and Atmospheric Phenomena

South African Weather and Atmospheric Phenomena PDF Author: Dries Van Zyl
Publisher: Spotlight Poets
ISBN:
Category : Nature
Languages : en
Pages : 164

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Book Description
Why is the sky blue? What is the life cycle of a lightning bolt? Where is the end of the rainbow?

South African Weather and Atmospheric Phenomena

South African Weather and Atmospheric Phenomena PDF Author: Dries Van Zyl
Publisher: Spotlight Poets
ISBN:
Category : Nature
Languages : en
Pages : 164

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Book Description
Why is the sky blue? What is the life cycle of a lightning bolt? Where is the end of the rainbow?

The Weather and Climate of Southern Africa

The Weather and Climate of Southern Africa PDF Author: P. D. Tyson
Publisher: Oxford University Press, USA
ISBN:
Category : Nature
Languages : en
Pages : 420

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Book Description
The Weather and Climate of Southern Africa, the second edition of The Atmosphere and Weather of Southern Africa, further consolidates and expands Tyson and Preston-Whyte's in-depth textbook on the meteorology of southern Africa. It offers an introduction to the structure of the atmosphere, and detailed, well-illustrated discussions on the physics of meteorology, measurement, weather systems, ocean-atmosphere interactions, pollution, climactic change, and forecasting. With a new emphasis on the growing field of climatology, this book is especially pertinent to environmental studies in and on the developing countries of southern Africa, and the relationship of the subcontinent to global weather and climatic changes.

The National Agricultural Directory 2011

The National Agricultural Directory 2011 PDF Author:
Publisher: RainbowSA
ISBN: 0620465204
Category : Agricultural industries
Languages : en
Pages : 676

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Book Description


Microphysics of Atmospheric Phenomena

Microphysics of Atmospheric Phenomena PDF Author: Boris M. Smirnov
Publisher: Springer
ISBN: 3319308130
Category : Science
Languages : en
Pages : 269

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Book Description
This book investigates elementary processes in the Earth’s atmosphere involving photons, electrons, ions, radicals, and aerosols. It is based on global atmospheric models such as the standard atmospheric model with averaged atmospheric parameters across the globe and over time, the Earth’s energetic balance, and the global electric circuit that allows to analyze fundamental atmospheric properties to be analyzed. Rate constants of elementary processes in the Earth’s atmosphere, together with measured atmospheric parameters and existing concepts of atmospheric phenomena, are used in the analysis of global and local atmospheric processes. Atmospheric photoprocesses result from the interaction of solar radiation with the atmosphere and processes involving ions, oxygen atoms, excited atomic particles and ozone molecules. Atmospheric electricity as a secondary phenomenon to atmospheric water circulation results in a chain of processes that begins with collisions of water aerosols in different aggregate states. Cosmic rays are of importance for atmospheric electricity, as they create positive and negative ions in the air. Air breakdown in an electric field of clouds in the form of lightning may develop under the influence of cosmic ray-created seed electrons, which are necessary for electron multiplication in ionization wave-streamers. The upper atmosphere (ionosphere) is formed under solar radiation in a vacuum ultraviolet spectrum, and absorption of this radiation leads to air photoionization. The greenhouse effect is determined by atmospheric water, whereas transitions between a water vapor and aerosols may lead to a change in atmospheric optical depth. Carbon dioxide contributes in small portions to the atmospheric greenhouse effect. Cosmic rays are of importance for atmospheric discharge, the origin of lightning and cloud formation in the first stage of aerosol growth. This book provides a qualitative description of atmospheric properties and phenomena based on elementary processes and simple models.

South African Journal of Science

South African Journal of Science PDF Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 440

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Book Description


South Africa

South Africa PDF Author: Janice Hamilton
Publisher: Lerner Books [UK]
ISBN: 1580134513
Category : History
Languages : en
Pages : 84

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Book Description
The 'Visual Geography series' explores the government and history, economy, people, geography and cultural life of different countries around the world. Pedagogical features of the books include: glossaries, further resources and links to the series website.

South African Digest

South African Digest PDF Author:
Publisher:
ISBN:
Category : South Africa
Languages : en
Pages : 840

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Book Description


The Geography of South Africa

The Geography of South Africa PDF Author: Jasper Knight
Publisher: Springer
ISBN: 3319949748
Category : Science
Languages : en
Pages : 317

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Book Description
This edited collection examines contemporary directions in geographical research on South Africa. It encompasses a cross section of selected themes of critical importance not only to the discipline of Geography in South Africa, but also of relevance to other areas of the Global South. All chapters are original contributions, providing a state of the art research baseline on key themes in physical, human and environmental geography, and in understanding the changing geographical landscapes of modern South Africa. These contributions set the scene for an understanding of the relationships between modern South Africa and the wider contemporary world, including issues of sustainable development and growth in the Global South.

Sasol First Field Guide to Weather in Southern Africa

Sasol First Field Guide to Weather in Southern Africa PDF Author: John Earle
Publisher:
ISBN:
Category : History
Languages : en
Pages : 68

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Book Description
Sasol first field guide to weather in Southern Africa provides an insight into the complex processes that lie behind an all too familiar aspect of our lives u the weather.

Circulation Weather types as a tool in atmospheric, climate and environmental research

Circulation Weather types as a tool in atmospheric, climate and environmental research PDF Author: Alexandre M. Ramos
Publisher: Frontiers Media SA
ISBN: 2889196410
Category : Climatology
Languages : en
Pages : 153

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Book Description
Classifications of circulation weather systems have a long history in meteorology and climatology. Starting with manual classifications over specific regions of the globe, these tools (generally called “catalogs of synoptic types”) were restricted mainly to weather forecasting and historical climate variability studies. In the last decades, the advance of computing resources and the availability of datasets have fostered the development of fast and objective methods that process large amount of data. In recent years numerous methods of circulation type classification have been designed, showing their usefulness on a wide range of applications in scientific domains related to weather, climate, and environment. This Research Topic highlights methodological advances in circulation weather types and also their applications to different research areas. The articles included in this research topic show that circulation weather types can be used not only in Europe, where they have been always more frequent, but also applied to other regions of the world.