Qanat Knowledge: Construction and Maintenance

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Author : Ali Asghar Semsar Yazdi
Genre : Technology & Engineering

Summary : This book offers a ready solution for those who wish to learn more about this fascinating part of our water history and makes accessible to the wider world the traditional knowledge gained from building and maintaining qanats for more than 2,500 years. There is much more here than a summary of the nature and distribution of qanats, and a more extensive journey through the philosophy, methods, tools, and terminology of qanat design and digging than previously assembled. Where does one begin to dig to ensure that the qanat tunnel will flow with water? How are practical considerations of landscape factored into the design? How are water quality and discharge measured? How does excavation proceed through bedrock and unconsolidated soil and how is this knowledge of geology and pedology acquired? How are vertical wells and tunnels excavated to maintain proper air supply, light, and water flow? How does one deal with special problems like tunnel collapse, the accumulation of gasses and vapors, and the pooling of water during construction? How are tools and gauges designed, maintained, and used? How have qanats been incorporated into other structures like watermills, reservoirs, ice houses, and irrigation networks? And how are qanats cleaned, extended, maintained through the ages, and incorporated into modern water supplies? The great contribution of this work is the story it tells of the ingenuity and practical skills of the qanat masters who for centuries and generations have cut an uncountable number of tunnels through bedrock and alluvium using hand tools and homespun solutions to problems that would vex the most experienced university-trained engineers.

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Author : Dale Lightfoot
Genre : Technology & Engineering

Summary : Qanats are ubiquitous, yet unseen, and a clever way to create streams where none exist in nature. For 3,000 years, they have made life possible in impossible places and still sustain life and livelihoods in many countries today. After 30 years of field research, Dale Lightfoot provides the first comprehensive study of the qanat and sheds new light on their unique locations and distribution, their origins and history, their ecology, current status and use. Qanats are remarkably engineered underground aqueducts, using gravity to bring water to villages and towns where reliable flowing surface water is scarce or absent. Although an ancient technology, more than 46,000 of them still flow around the world today, with their sustainable nature making them a focus of renewed interest. Richly illustrated with images and a series of original maps, this is the most complete record to date of the locations and distribution of qanats worldwide, including examples from the Middle East, North Africa, Europe, Central Asia, China, India, Mexico and South America.

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Author : Farzin Fardanesh
Genre : Political Science

Summary : This book offers a resourceful collection of essays examining recent efforts to respond to the challenges of planning, management and conserving landscapes in contemporary Iran, the home of Persian gardens. Drawing on selected recent studies, the chapters discuss the following topics: The sphere of knowledge and theoretical bases, including a survey of recent and ongoing research; Persian gardens remaining from the 6th century BC to the 19th century AD, which have influenced garden design in a vast geographic domain extending from India to Spain; Management and conservation of cultural landscapes, historic urban landscapes (HUL), road landscapes, and natural landscapes in the face of changes in climatic conditions and livelihood practices affecting their delicate dynamic balance and functions essential to their distinctive character; and Historic Territorial Landscapes (HTL) formed and evolved along the Silk and Spice Roads as compositions of tangible and intangible elements resulting from movement, exchanges and dialogue in space and over time. The book is a useful resource for a range of academics and professionals, such as landscape architects and managers, landscape historians and conservationists, and urban planners and managers.

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Author : Majid Labbaf Khaneiki
Genre : Social Science

Summary : This book traces “water” back to the most primitive animistic notions that are still lingering on in the shape of such rituals as qanat marriage or rain-making. Water, in the Iranian philosophy, is used in an attempt to find an explanation for the genesis of the universe, as described in Zoroastrian Akhshij philosophy, according to which water is one of the four fundamental elements of the creation. The concept of time began to germinate in the Iranian mind, when they had to count the passage of time in order to divide their scarce water resources. Water became so omnipresent in Iranian culture that it reached even the most mysterious seclusion of the Sufi monks. In Iran’s local communities, water culture is a thread that runs through different types of production systems. This book goes beyond indigenous water knowledge and traditional irrigation techniques, and conceptualizes water as a pivotal element of Iran’s social identity, cultural dynamics and belief systems, where it examines the role of intermittent droughts in engendering and diffusing intangible cultural elements across the Iranian plateau. This book delves into Iran’s political organizations most of which were ensnared in a water-dependent lifecycle constituting a historical pattern described in this book as “hydraulic collapse” .

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Author : Leslie Rainer
Genre : Architecture

Summary : Featuring a global compendium of sites, buildings, urban settlements, and cultural landscapes, this volume combines recent research with practical approaches to conservation of earthen architectural heritage. Earthen architecture is one of the oldest forms of construction and is evidenced around the globe. This volume gathers the research and presentations from Terra 2022: 13th World Congress on Earthen Architectural Heritage, which brought together in Santa Fe, New Mexico, 350 conservation professionals and practitioners from fifty-two countries. Seventy richly illustrated papers, fifty-seven in English and thirteen in Spanish, address a range of conservation issues. Abstracts are provided in both English and Spanish for each paper. Themes covered include advances in research, strategies for archaeological sites, community-based care and decision-making, cultural landscapes, decorated surfaces, education, historic and modern buildings, conservation history, risks and vulnerabilities, and traditional materials and practices. Sections that draw on symposia held at the congress spotlight two recent architectural heritage initiatives: the rehabilitation of an urban settlement by the AlUla Old Town and Oasis Conservation Project in Saudi Arabia, and the conservation and management of eight monumental enclosure complexes at the Hopewell Ceremonial Earthworks in Ohio.

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Author : Majid Labbaf Khaneiki
Genre : Technology & Engineering

Summary : This book tries to answer the question how different communities in such an arid area as the Iranian central plateau could have shared their limited water resources in a perfect harmony and peace over the course of history. They invented some indigenous technologies as well as cooperative socio-economic systems in order to better adapt themselves to their harsh environment where the scarce water resources had to be rationed among the different communities as sustainably as possible. Those stories hold some lessons for us on how to adjust our needs to our geographical possibilities while living side by side with other people. This work gives insight into the indigenous adaptation strategies through the territorial water cooperation, and describes how water can appear as a ground for cooperation. It explains the water supply systems and social aspects of water in central Iran. Topics include the territorial water cooperation, qanat’s, the traditional water management and sustainability, the socio-economic context, the sustainable management of shared aquifers system and more.

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Author : Abdolali Lahsaeizadeh
Genre : Land reform

Summary :