Mankind and Deserts 2

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The wild beauty of deserts has always been a source of fascination the world over. Mankind and Deserts 2 – the second of three volumes – focuses on water, its absence or indeed its extreme scarcity, as well as on the ways in which salts come to be formed in areas such as these. <p>Aridity of the climate does not exclude rainfall, after which deserts flourish; wet mists, dew, exceptional events separated by years of total drought. Water flows into temporary and disorganized networks but, occasionally, large rivers cross the deserts, giving rise to vibrant civilizations: the Nile, Tigris and Euphrates, Niger, to name a few. Temporary or permanent lakes collect water in basins without outlet to the ocean, referred to as endorrheic basins, such as Lake Chad. This results in salt accumulation and evaporitic formations. A large variety of salts crystallize, in addition to halite, among which is potash. Halite – common salt – is an essential resource and its trade leads to the creation of salt caravans, used to exchange it with gold, even on a 1-1 weight basis, generating subsequent wealth. <p>From ancient, almost mythical, exploration to modern scientific studies, deserts have come to be better known yet still hold great appeal. This book traces the history of their knowledge while providing a basis for understanding their features and the tools needed for their protection, in an ever-changing world.

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Table of Contents

1 Cover

2 Title Page Series EditorFrançoise Gaill

3 Copyright First published 2021 in Great Britain and the United States by ISTE Ltd and John Wiley & Sons, Inc. Apart from any fair dealing for the purposes of research or private study, or criticism or review, as permitted under the Copyright, Designs and Patents Act 1988, this publication may only be reproduced, stored or transmitted, in any form or by any means, with the prior permission in writing of the publishers, or in the case of reprographic reproduction in accordance with the terms and licenses issued by the CLA. Enquiries concerning reproduction outside these terms should be sent to the publishers at the undermentioned address: ISTE Ltd 27-37 St George’s Road London SW19 4EU UK www.iste.co.uk John Wiley & Sons, Inc. 111 River Street Hoboken, NJ 07030 USA www.wiley.com © ISTE Ltd 2021 The rights of Fernand Joly and Guilhem Bourrié to be identified as the authors of this work have been asserted by them in accordance with the Copyright, Designs and Patents Act 1988. Library of Congress Control Number: 2020949240 British Library Cataloguing-in-Publication Data A CIP record for this book is available from the British Library ISBN 978-1-78630-631-9

4 Foreword

5 Introduction: Water in Deserts I.1. Hydrology – wild water I.2. References

6 1 Water Falling onto Soil and the Effects It Produces1.1. The arrival of water 1.2. Weathering 1.3. Runoff 1.4. Geodynamic and geomorphological effects of runoff in arid zones 1.5. Groundwater 1.6. References

7 2 Temporary Water Bodies and Lakes 2.1. Water bodies 2.2. Lakes 2.3. The principal features of lakes in an arid zone 2.4. References

8 3 Hydrographic Networks 3.1. Endorrheism–arheism 3.2. The disruption of hydrographic networks 3.3. Allogenous rivers and streams 3.4. References

9 4 Salts in Deserts 4.1. The nature of the salts 4.2. The origin of salts and evaporite sequences 4.3. Evaporation of seawater 4.4. Evaporation of continental freshwater 4.5. Systems mixing surface water and deep water 4.6. Atmospheric origin of nitrate deposits 4.7. Mankind and salts 4.8. References

10 List of Authors

11 Index

12 End User License Agreement

List of Illustrations

1 Foreword A man in the desert: Fernand Joly Tademaït, Sahara, Algeria

2 Chapter 1Figure 1.1. Diagram summarizing weathering in arid conditions

3 Chapter 4Figure 4.1. The N’zirah palm grove in Algeria Downstream, the palm grove gives w...Figure 4.2. Ion chromatography in landscapes, according to Tardy (1969), modifie...Figure 4.3. Salt fields in the Sahara, Tegguiddan Tessoum, Niger. Salt is tradit...Figure 4.4. Camels being loaded to transport salt, Tegguiddan Tessoum, Niger (Ph...

List of Tables

1 Chapter 4Table 4.1. The major neutral saltsTable 4.2. Major basic and acidic salts

Guide

1 Cover

2 Table of Contents

3 Title page

4 Copyright First published 2021 in Great Britain and the United States by ISTE Ltd and John Wiley & Sons, Inc. Apart from any fair dealing for the purposes of research or private study, or criticism or review, as permitted under the Copyright, Designs and Patents Act 1988, this publication may only be reproduced, stored or transmitted, in any form or by any means, with the prior permission in writing of the publishers, or in the case of reprographic reproduction in accordance with the terms and licenses issued by the CLA. Enquiries concerning reproduction outside these terms should be sent to the publishers at the undermentioned address: ISTE Ltd 27-37 St George’s Road London SW19 4EU UK www.iste.co.uk John Wiley & Sons, Inc. 111 River Street Hoboken, NJ 07030 USA www.wiley.com © ISTE Ltd 2021 The rights of Fernand Joly and Guilhem Bourrié to be identified as the authors of this work have been asserted by them in accordance with the Copyright, Designs and Patents Act 1988. Library of Congress Control Number: 2020949240 British Library Cataloguing-in-Publication Data A CIP record for this book is available from the British Library ISBN 978-1-78630-631-9

5 Foreword

6 Introduction: Water in Deserts

7 Begin Reading

8 List of Authors

9 Index

10 End User License Agreement

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Series EditorFrançoise Gaill

Mankind and Deserts 2

Water and Salts

Edited by

Fernand Joly

Guilhem Bourrié

First published 2021 in Great Britain and the United States by ISTE Ltd and - фото 1

First published 2021 in Great Britain and the United States by ISTE Ltd and John Wiley & Sons, Inc.

Apart from any fair dealing for the purposes of research or private study, or criticism or review, as permitted under the Copyright, Designs and Patents Act 1988, this publication may only be reproduced, stored or transmitted, in any form or by any means, with the prior permission in writing of the publishers, or in the case of reprographic reproduction in accordance with the terms and licenses issued by the CLA. Enquiries concerning reproduction outside these terms should be sent to the publishers at the undermentioned address:

ISTE Ltd

27-37 St George’s Road

London SW19 4EU

UK

www.iste.co.uk

John Wiley & Sons, Inc.

111 River Street

Hoboken, NJ 07030

USA

www.wiley.com

© ISTE Ltd 2021

The rights of Fernand Joly and Guilhem Bourrié to be identified as the authors of this work have been asserted by them in accordance with the Copyright, Designs and Patents Act 1988.

Library of Congress Control Number: 2020949240

British Library Cataloguing-in-Publication Data

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