Douw Steyn – författare

This volume contains the ten most cited articles that have appeared in the journal Atmosphere-Ocean since 1995. These articles cover a wide range of topics in meteorology, climatology and oceanography. Modelling work is represented in five papers, covering global climate model development; a cumulus parameterization scheme for global climate models; development of a regional forecast modelling system and parameterization of peatland hydraulic processes for climate models. Data rehabilitation and compilation in order to support trend analysis work on comprehensive precipitation and temperature data sets is presented in four papers. Field studies are represented by a paper on the circumpolar lead system. While the modelling studies are global in their application and applicability, the data analysis and field study papers cover environments that are specifically, but not uniquely, Canadian. This book will be of interest to researchers, students and professionals in the various sub-fields of meteorology, oceanography and climate science.

This volume contains the ten most cited articles that have appeared in the journal Atmosphere-Ocean since 1995. These articles cover a wide range of topics in meteorology, climatology and oceanography. Modelling work is represented in five papers, covering global climate model development; a cumulus parameterization scheme for global climate models; development of a regional forecast modelling system and parameterization of peatland hydraulic processes for climate models. Data rehabilitation and compilation in order to support trend analysis work on comprehensive precipitation and temperature data sets is presented in four papers. Field studies are represented by a paper on the circumpolar lead system. While the modelling studies are global in their application and applicability, the data analysis and field study papers cover environments that are specifically, but not uniquely, Canadian. This book will be of interest to researchers, students and professionals in the various sub-fields of meteorology, oceanography and climate science.

Vulture soup, anyone? Or how about some fried python with a side order of diesel-dipped dog biscuits?Specialised cooking – The Recce Way gives a unique perspective on the lives of South Africa's legendary Special Forces soldiers. The book combines tongue-in-cheek recipes with anecdotes of the men's experiences during the Border War, and up to 1997, putting the gruel into gruelling. It shows what it takes to live out of a rucksack for weeks on end and how to make do with what nature has to offer.Highlighting the scope of the activities of the first 25 years of the Special Forces, the book takes us from Durban to Langebaan, through Phalaborwa into the rest of Africa, and from the firing line to a braai on top of a submarine out at sea. Most importantly, it overflows with the Recce philosophy for excelling in adverse conditions – stay in the moment, adapt, adjust and just get on with it!WARNING: While most of the meals in this book are edible, some should never, ever, be repeated.

Aasvoëlsop, enigiemand? Of wat van vlieënde vis vir voorgereg met gebraaide luislang vir hoofgereg?Recce-resepte vir kos, die bos, die lewe is vol tong-in-die-kies resepte en stories oor die Recces se ervarings gedurende die Grensoorlogjare en tot 1997. Die boek plaas jou in die skoene van hierdie legendariese en geheimsinninge Spesiale Magte-operaters. Ontdek wat dit verg om vir weke aaneen uit ''n rugsak te leef, hoe om te oorleef op dit wat die natuur versaf en selfs hoe om ''n leeu kaalhand van ''n karkas te verjaaf. Die stories oor hul waaghalsige operasies gedurende die eerste 25 jaar van die Spesiale Magte vat jou van Durban na Langebaan en deur Phalaborwa na die res van Afrika en selfs Rusland.Hulle verklap boonop hul unieke filosofie – bly in die oomblik, pas aan en doen jou ding! Of staan opsy, want die Recces kom verby …WAARSKUWING: Hoewel die meeste resepte eetbaar is, moet sommige nooit, ooit herhaal word nie.

This seminal work documents the clandestine sea borne operations undertaken by South Africa’s 4 Reconnaissance Commando Regiment. It breathtakingly reveals the versatility and effectiveness of this elite unit which worked with a range of other South African and Rhodesian forces, including the Rhodesian SAS, to engage in a range of raiding and war fighting activities. These operations saw the clandestine reconnaissance of harbors, the sinking of enemy shipping and the destruction of shore installations in Angola and Mozambique. Just some of the tasks undertaken by this extraordinary maritime capability which totaled no more than 45 operators, both black and white!With unparalleled access to previously secret material, the authors, both of whom worked to develop 4 Recce’s operating capabilities, trace the origins of the Regiment back to the 1970’s when the South African’s determined the need for a maritime force projection capability. They relate how maritime doctrine was developed within South Africa’s wider Special Forces capability and how joint operational approaches were configured with the South African Navy. This saw the development of a range of swimmer, reconnaissance, diving and boat operator training courses, along with the design of specialist raiding craft and amphibious assault platforms, which were originated to operate from the Navy’s existing shipping and submarines. All of which demonstrated the immense potential of this newly emergent force and the resourcefulness of its individual operators. Required to successfully complete a grueling selection process, the operators of 4 Recce were relentlessly tested to prove their physical and mental mettle, not to mention their leadership skills and initiative. Steyn and Söderlund’s chronological analysis of the operations undertaken by 4 Recce and the South African Navy is stunning to behold. They impartially detail the secret and specialized actions which saw both success and failure. From Cabinda on the West Coast to Tanzania on the East, 4 Recce, and whose existence and capability was largely kept secret even within the South African Defence Force, conducted numerous clandestine raids. They attacked shipping and strategic targets such as oil facilities, transport infrastructure and even ANC offices. And sometimes the raids did go wrong, spectacularly so in one instance when two operators were killed and Captain Wynand Du Toit was captured. He was later paraded in front of the world’s media, much to the embarrassment of the South African government. This is a fascinating work and one that will enthrall anyone with an interest in Special Forces operations. Profusely illustrated with many previously unpublished photographs, it stands as a testament to the author’s endeavors as, respectively, the former Operations Commander of 4 Recce and the former Commander Task Group of the SA Navy - as well as the incredible operators of 4 Recce. Explosive and compulsive, Iron Fist from the Sea takes you right to the raging surf; to the adrenaline and fear that is sea borne raiding...

Recent developments in air pollution modelling are explored as a series of contributions from researchers at the forefront of their field. This newest contribution on air pollution modelling and its application is focused on local, urban, regional and intercontinental modelling; data assimilation and air quality forecasting; model assessment and evaluation; aerosol transformation. Additionally, this work also examines the relationship between air quality and human health and the effects of climate change on air quality. The work derives from  a series of papers presented at the 33rd International Technical Meeting on Air Pollution Modelling and its Application held in Miami, USA, August 27 - 31, 2013. The book is intended as reference material for students and professors interested in air pollution modelling at the graduate level as well as researchers and professionals involved in developing and utilizing air pollution models.