The Impact of Desert Dust Across the Mediterranean

The Impact of Desert Dust Across the Mediterranean PDF

Author: Stefano Guerzoni

Publisher: Springer Science & Business Media

Published: 2013-04-17

Total Pages: 390

ISBN-13: 9401733546

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The atmosphere is an important pathway for the transport of continentally-derived material to the oceans. In this respect the Mediterranean Sea is of special importance because its atmosphere receives inputs of anthropogenic aerosols from the north and desert- derived Saharan dusts from the south. The dusts, much of which is transported in the form of seasonal `pulses', have important effects on climate, marine chemistry and sedimentation in the Mediterranean Sea. This volume brings together reviews and specific-topic papers on the following aspects of Saharan dust transport to the Mediterranean Sea: (i) the modelling of Saharan dust transport, (ii) the chemistry and mineralogy of the dusts and their effect on precipitation, (iii) the contribution of the dusts to marine sedimentation, (iv) the aerobiology of the dusts, and (v) climatic implications of Saharan dust transport. The volume is aimed at students and researchers with an interest in the climate, biogeochemistry and geology of the Mediterranean Sea.

Impact of Aerosols (Saharan Dust and Mixed) on the East Mediterranean Oligotrophic Ecosystem, Results from Experimental Studies

Impact of Aerosols (Saharan Dust and Mixed) on the East Mediterranean Oligotrophic Ecosystem, Results from Experimental Studies PDF

Author: Paraskevi Pitta

Publisher: Frontiers Media SA

Published: 2017-11-16

Total Pages: 209

ISBN-13: 2889453197

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In oligotrophic environments, dust and nutrient inputs via atmospheric routes are considered important sources of macro-nutrients and micro-trace metals fuelling primary and secondary production. Yet, the impact of these dust inputs on the microbial populations is not fully investigated in the Eastern Mediterranean Sea (EMS). The response of oligotrophic systems to dust inputs, whether as positive or negative feedbacks to autotrophic and heterotrophic production and thus to biogeochemical cycling, is important to examine further. Experimental studies have explored nutrient additions in various combinations to determine the limiting resource to productivity or N2 fixation. Recent experimental studies have applied dust enrichments to bottle or mesocosm incubations of seawater from different oceanic regions. This research topic presents two Eastern Mediterranean dust addition mesocosm experiments using, for the first time, real aerosol additions, pure Saharan dust and mixed aerosols (a natural mixture of desert dust and polluted European particles), as well as other EMS aerosol experimental studies. The Topic includes manuscripts introducing results on: a) the impact of Saharan dust vs mixed aerosols on the autotrophic and heterotrophic surface microbial populations in the EMS, b) the impact of single vs multi-pulses of Saharan dust introduction into the pelagic environment of the EMS and c) other experimental studies of aerosol impacts on the EMS ecosystem.

The Mediterranean Sea

The Mediterranean Sea PDF

Author: Alain Saliot

Publisher: Springer Science & Business Media

Published: 2005-08-24

Total Pages: 440

ISBN-13: 9783540250180

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This volume represents a practical survey of current understanding of chemical contamination of the Mediterranean Sea. Beginning with an overview of the general physical and socio-economic context, the author reviews the exploration of processes governing the fate of chemicals, assesses the budget of both inorganic and organic contaminants, and describes new tools for studying the impact of pollution on the Mediterranean.

The Mediterranean region under climate change

The Mediterranean region under climate change PDF

Author: Collectif

Publisher: IRD Éditions

Published: 2018-11-19

Total Pages: 736

ISBN-13: 2709922207

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This book has been published by Allenvi (French National Alliance for Environmental Research) to coincide with the 22nd Conference of Parties to the United Nations Framework Convention on Climate Change (COP22) in Marrakesh. It is the outcome of work by academic researchers on both sides of the Mediterranean and provides a remarkable scientific review of the mechanisms of climate change and its impacts on the environment, the economy, health and Mediterranean societies. It will also be valuable in developing responses that draw on “scientific evidence” to address the issues of adaptation, resource conservation, solutions and risk prevention. Reflecting the full complexity of the Mediterranean environment, the book is a major scientific contribution to the climate issue, where various scientific considerations converge to break down the boundaries between disciplines.

Desert Dust in the Global System

Desert Dust in the Global System PDF

Author: Andrew S. Goudie

Publisher: Springer Science & Business Media

Published: 2006-09-05

Total Pages: 287

ISBN-13: 3540323554

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Dust storms are a vital component of the environment. This book explores and summarises recent research on where dust storms originate, why dust storms are generated, where dust is transported and deposited, the nature of dust deposits and the changing frequency of dust storms over a range of time-scales. It is the first global study of causes and effects of dust storms, which are one of the increasing nature catastrophes.

Paleoclimatology and Paleometeorology: Modern and Past Patterns of Global Atmospheric Transport

Paleoclimatology and Paleometeorology: Modern and Past Patterns of Global Atmospheric Transport PDF

Author: Margaret Leinen

Publisher: Springer Science & Business Media

Published: 2012-12-06

Total Pages: 904

ISBN-13: 9400909950

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The NATO Advanced Research Workshop on "Paleoclimatology and Paleometeorology: Modem and Past Patterns of Global Atmospheric Transport" (held at Oracle, Arizona, USA from November 17-19, 1987) brought together atmospheric chemists, physicists, and meteorologists who study the origin and transport of modem-day mineral and biological aerosols with geologists and paleobotanists who study the sedimentary record of eolian and hydrologic processes along with modelers who study and conceptualize the processes influencing atmospheric transport at present and in the past. Presentations at the workshop provided a guide to our present knowledge of the entire spectrum of processes and phenomena important to the generation, transport, and deposition of eolian terrigenous material that ultimately becomes part of the geologic record and the modeling techniques that used to represent these processes. The presenta tions on the geologic record of eolian deposition documented our present understanding of the na~e and causes of climate change on time scales of the last glacial ages (tens of thousands of years) to time scales over which the arrangement of continents, mountains, and oceans has changed sub stantially (tens of millions of years). There has been a growing recognition of the importance of global climatic changes to the future well-being of humanity. In particular, the climatic response to human alterations to the earth's surface and chemical composition has led to concern over the agricultural, ecological, and societal impacts of such potential global changes.

Mineral Dust

Mineral Dust PDF

Author: Peter Knippertz

Publisher: Springer

Published: 2014-09-01

Total Pages: 526

ISBN-13: 9401789789

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This volume presents state-of-the-art research about mineral dust, including results from field campaigns, satellite observations, laboratory studies, computer modelling and theoretical studies. Dust research is a new, dynamic and fast-growing area of science and due to its multiple roles in the Earth system, dust has become a fascinating topic for many scientific disciplines. Aspects of dust research covered in this book reach from timescales of minutes (as with dust devils, cloud processes and radiation) to millennia (as with loess formation and oceanic sediments), making dust both a player and recorder of environmental change. The book is structured in four main parts that explore characteristics of dust, the global dust cycle, impacts of dust on the Earth system, and dust as a climate indicator. The chapters in these parts provide a comprehensive, detailed overview of this highly interdisciplinary subject. The contributions presented here cover dust from source to sink and describe all the processes dust particles undergo while travelling through the atmosphere. Chapters explore how dust is lifted and transported, how it affects radiation, clouds, regional circulations, precipitation and chemical processes in the atmosphere and how it deteriorates air quality. The book explores how dust is removed from the atmosphere by gravitational settling, turbulence or precipitation, how iron contained in dust fertilizes terrestrial and marine ecosystems, and about the role that dust plays in human health. We learn how dust is observed, simulated using computer models and forecast. The book also details the role of dust deposits for climate reconstructions. Scientific observations and results are presented, along with numerous illustrations. This work has an interdisciplinary appeal and will engage scholars in geology, geography, chemistry, meteorology and physics, amongst others with an interest in the Earth system and environmental change. body>

The Physical Geography of the Mediterranean

The Physical Geography of the Mediterranean PDF

Author: Jamie Woodward

Publisher: OUP Oxford

Published: 2009-05-07

Total Pages: 700

ISBN-13: 0191608416

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This volume explores the climates, landscapes, ecosystems and hazards that comprise the Mediterranean world. It traces the development of the Mediterranean landscape over very long timescales and examines modern processes and key environmental issues in a wide range of settings. The Mediterranean is the only region on Earth where three continents meet and this interaction has produced a very distinctive Physical Geography. This book examines the landscapes and processes at the margins of these continents and the distinctive marine environment between them. Catastrophic earthquakes, explosive volcanic eruptions and devastating storms and floods are intimately bound up within the history and mythology of the Mediterranean world. This is a key region for the study of natural hazards because it offers unrivalled access to long records of hazard occurrence and impact through documentary, archaeological and geological archives. The Mediterranean is also a biodiversity hotspot; it has been a meeting place for plants, animals and humans from three continents throughout much of its history. The Quaternary records of these interactions are more varied and better preserved than in any other part of the world. These records have provided important new insights into the tempo of climate, landscape and ecosystem change in the Mediterranean region and beyond. The region is unique because of the very early and widespread impact of humans in landscape and ecosystem change - and the richness of the archaeological and geological archives that chronicle this impact. This book examines this history and these interactions and places current environmental issues in long term context. Contributors : Ramadan Husain Abu-Zied Harriet Allen Jacques Blondel Maria-Carmen Llasat James Casford Marc Castellnou Andrew Goudie Andrew Harding Angela Hayes Tom Holt Babette Hoogakker Philip Hughes Jos Lelieveld John Lewin Francisco Lloret Francisco Lopez-Bermudez Mark Macklin Jean Margat Anne Mather Frédéric Médail Christophe Morhange Clive Oppenheimer Jean Palutikof Gerassimos Papadopoulos Josep Piñol David Pyle Jane Reed Neil Roberts Eelco Rohling Iain Stewart Stathis Stiros John Thornes Chronis Tzedakis John Wainwright

Chemistry of Marine Water and Sediments

Chemistry of Marine Water and Sediments PDF

Author: Antonio Gianguzza

Publisher: Springer Science & Business Media

Published: 2013-06-29

Total Pages: 513

ISBN-13: 366204935X

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The most important processes on the Earth`s surface occur in the Ocean where materials and energy are primarily exchanged. In the case of marine chemistry different fields of chemistry from organic to inorganic as well as thermodynamics and biochemistry are involved. Analytical Chemistry is a very important tool for the quantification of biogeochemical processes by providing correct and even more sophisticated methodologies. These are often directly applied 'in situ', in order to detect trace and ultra-trace natural and anthropogenic substances. Kinetic and thermodynamic studies allow us to establish whether the process occurs. Once discovered it is then possible to build up general models for environmental systems. This book gathers many aspects with the aim of creating a general picture of the chemical processes occurring in the marine environment

Regional Climate Variability and its Impacts in the Mediterranean Area

Regional Climate Variability and its Impacts in the Mediterranean Area PDF

Author: A. Mellouki

Publisher: Springer Science & Business Media

Published: 2007-09-23

Total Pages: 326

ISBN-13: 1402064292

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This book details the findings and suggestions from a NATO workshop that examined regional climate variability and its impacts in the Mediterranean area, which was held in Marrakech, Morocco, November 2006. This NATO workshop was set up to discuss the issues facing the region in general and the influence of chemical emissions and transformation in particular.