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In response to a request from Congress, Surface Temperature Reconstructions for the Last 2,000 Years assesses the state of scientific efforts to reconstruct surface temperature records for Earth during approximately the last 2,000 years and the implications of these efforts for our understanding of global climate change. Because widespread, reliable temperature records are available only for the last 150 years, scientists estimate temperatures in the more distant past by analyzing "proxy evidence," which includes tree rings, corals, ocean and lake sediments, cave deposits, ice cores, boreholes, and glaciers. Starting in the late 1990s, scientists began using sophisticated methods to combine proxy evidence from many different locations in an effort to estimate surface temperature changes during the last few hundred to few thousand years. This book is an important resource in helping to understand the intricacies of global climate change.
Environmental isotope and nuclear techniques provide unmatched insights into the processes governing the water cycle and its variability. This monograph presents state of the art applications and new developments of isotopes in hydrology, environmental disciplines and climate change studies. Coverage ranges from the assessment of groundwater resources in terms of recharge and flow regime to studies of the past and present global environmental and climate changes.
La construction du barrage de Techrine dans la haute vallee de l'Euphrate, au nord de la Syrie, a donne lieu a des fouilles de sauvetage archeologique. C'est dans le cadre de cette operation que Tell al-'Abr a ete fouille pendant cinq campagnes, entre 1989 et 1993, par une mission syrienne dirigee par Hamido Hammade. Le present volume est le rapport de fouille definitif. Il contient la publication de toutes les decouvertes, accompagnees de chapitres d'analyses de laboratoire. La richesse des resultats obtenus permet desormais de considerer Tell al-'Abr comme un site de reference important pour la periode d'Obeid en Syrie. Tell al-'Abr was excavated in the frame of the salvage excavations carried out during the building of the Teshreen dam on the upper Euphrates valley in the north of Syria. A Syrian team, directed by Hamido Hammade, excavated the site during five seasons between 1989 and 1993. The volume is the final excavation report. It contains the publication of all archaeological discoveries and chapters concerning the laboratory analysis. Because of the richness of the results, Tell al-'Abr could be considered now as an important reference site for the Ubaid period in Syria.
Recognizing the importance of wetland protection, the Bush administration in 1988 endorsed the goal of "no net loss" of wetlands. Specifically, it directed that filling of wetlands should be avoided, and minimized when it cannot be avoided. When filling is permitted, compensatory mitigation must be undertaken; that is, wetlands must be restored, created, enhanced, and, in exceptional cases, preserved, to replace the permitted loss of wetland area and function, such as water quality improvement within the watershed. After more than a dozen years, the national commitment to "no net loss" of wetlands has been evaluated. This new book explores the adequacy of science and technology for replacing wetland function and the effectiveness of the federal program of compensatory mitigation in accomplishing the nation's goal of clean water. It examines the regulatory framework for permitting wetland filling and requiring mitigation, compares the mitigation institutions that are in use, and addresses the problems that agencies face in ensuring sustainability of mitigated wetlands over the long term. Gleaning lessons from the mixed results of mitigation efforts to date, the book offers 10 practical guidelines for establishing and monitoring mitigated wetlands. It also recommends that federal, state, and local agencies undertake specific institutional reforms. This book will be important to anyone seeking a comprehensive understanding of the "no net loss" issue: policy makers, regulators, environmental scientists, educators, and wetland advocates.
Sustainability has a major part to play in the global challenge of continued development of regions, countries, and continents all around the World and biological nitrogen fixation has a key role in this process. This volume begins with chapters specifically addressing crops of major global importance, such as soybeans, rice, and sugar cane. It continues with a second important focus, agroforestry, and describes the use and promise of both legume trees with their rhizobial symbionts and other nitrogen-fixing trees with their actinorhizal colonization. An over-arching theme of all chapters is the interaction of the plants and trees with microbes and this theme allows other aspects of soil microbiology, such as interactions with arbuscular mycorrhizal fungi and the impact of soil-stress factors on biological nitrogen fixation, to be addressed. Furthermore, a link to basic science occurs through the inclusion of chapters describing the biogeochemically important nitrogen cycle and its key relationships among nitrogen fixation, nitrification, and denitrification. The volume then provides an up-to-date view of the production of microbial inocula, especially those for legume crops.
Land Restoration: Reclaiming Landscapes for a Sustainable Future provides a holistic overview of land degradation and restoration in that it addresses the issue of land restoration from the scientific and practical development points of view. Furthermore, the breadth of chapter topics and contributors cover the topic and a wealth of connected issues, such as security, development, and environmental issues. The use of graphics and extensive references to case studies also make the work accessible and encourage it to be used for reference, but also in active field-work planning. Land Restoration: Reclaiming Landscapes for a Sustainable Future brings together practitioners from NGOs, academia, governments, and the United Nations Convention to Combat Desertification (UNCCD) to exchange lessons to enrich the academic understanding of these issues and the solution sets available. Provides accessible information about the science behind land degradation and restoration for those who do not directly engage with the science allowing full access to the issue at hand. Includes practical on-the-ground examples garnered from diverse areas, such as the Sahel, Southeast Asia, and the U.S.A. Provides practical tools for designing and implementing restoration/re-greening processes.
“Community Based Participatory Research in archaeology finally comes of age with Atalay’s long-anticipated volume. She promotes a collaborative approach to knowledge gathering, interpretation, and use that benefits descendant communities and archaeological practitioners, contributing to a more relevant, rewarding, and responsible archaeology. This is essential reading for anyone who asks why we do archaeology, for whom, and how best can it be done.” – George Nicholas, author of Being and Becoming Indigenous Archaeologists “Sonya Atalay shows archaeologists how the process of Community Based Participatory Research can move our efforts at collaboration with local communities beyond theory and good intentions to a sustainable practice. This is a game-changing book that every archaeologist must read.” – Randall H. McGuire, author of Archaeology as Political Action
A Companion to Cultural Resource Management is an essential guide to those wishing to gain a deeper understanding of CRM and heritage management. Expert contributors share their knowledge and illustrate CRM's practice and scope, as well as the core issues and realities in preserving cultural heritages worldwide. Edited by one of the world's leading experts in the field of cultural resource management, with contributions by a wide range of experts, including archaeologists, architectural historians, museum curators, historians, and representatives of affected groups Offers a broad view of cultural resource management that includes archaeological sites, cultural landscapes, historic structures, shipwrecks, scientific and technological sites and objects, as well as intangible resources such as language, religion, and cultural values Highlights the realities that face CRM practitioners "on the ground"