Advances In Drought Analytical Tools For Better Understanding Of Current And Future Climate Change
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Advances In Drought Analytical Tools For Better Understanding Of Current And Future Climate Change
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Author :
language : en
Publisher: Frontiers Media SA
Release Date : 2023-03-14
Advances In Drought Analytical Tools For Better Understanding Of Current And Future Climate Change written by and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-03-14 with Science categories.
Drought
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Author : Ana Iglesias
language : en
Publisher: John Wiley & Sons
Release Date : 2018-08-22
Drought written by Ana Iglesias and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-08-22 with Science categories.
Comprehensive coverage of understanding, prevention, and risk management of extreme drought events, with examples of approaches followed in water-stressed regions This book describes the progress made in our understanding of severe drought and explains how we can deal with—and even avoid—complete devastation brought on by such punishing events. It brings forward advanced knowledge on drought hazard analysis and management, particularly from EU-funded research projects, to assist in the development of the corresponding drought management plans. In addition, this book addresses issues of social vulnerability to drought and science-policy interfaces, which are important elements of drought management. Divided into three sections, this book covers the diagnosis of physical processes, historic drought and the trends in historic drought, and perspectives of future drought. It takes an academic approach to risk evaluation, including characterization of drought episodes, development of indicators of risk in hydrological and agricultural systems, and analysis of the role of socio-economic instruments for risk mitigation. It also discusses the interactions that have resulted in the complex institutional framework, and highlights the importance of stakeholder involvement and awareness building for successful drought management. In addition, Drought: Science and Policy features a collection of case studies that include the description of effective measures taken in the past. Addresses the growing issue of drought preparedness planning, monitoring, and mitigation Teaches methodologies and lessons focused on specific, drought-prone regions so the applications have more significance Provides examples of approaches followed in water-stressed regions (river basin and national scale) with drought analyses at the pan-European scale Drought: Science and Policy will be an invaluable reference for researchers and practitioners in the field as well as Masters students taking relevant courses in drought management and natural disaster management.
The Drought Risk Analysis Forecasting And Assessment Under Climate Change
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Author : Tae-Woong Kim
language : en
Publisher: MDPI
Release Date : 2021-01-06
The Drought Risk Analysis Forecasting And Assessment Under Climate Change written by Tae-Woong Kim and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-01-06 with Technology & Engineering categories.
This Special Issue is a platform to fill the gaps in drought risk analysis with field experience and expertise. It covers (1) robust index development for effective drought monitoring; (2) risk analysis framework development and early warning systems; (3) impact investigations on hydrological and agricultural sectors; (4) environmental change impact analyses. The articles in the Special Issue cover a wide geographic range, across China, Taiwan, Korea, and the Indo-China peninsula, which covers many contrasting climate conditions. Hence, the results have global implications: the data, analysis/modeling, methodologies, and conclusions lay a solid foundation for enhancing our scientific knowledge of drought mechanisms and relationships to various environmental conditions.
Studying Tree Responses To Extreme Events
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Author : Achim Bräuning
language : en
Publisher: Frontiers Media SA
Release Date : 2017-06-05
Studying Tree Responses To Extreme Events written by Achim Bräuning and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-06-05 with categories.
Trees are among the longest-living organisms. They are sensitive to extreme climatic events and document the effects of environmental changes in form of structural modifications of their tissues. These modifications represent an integrated signal of complex biological responses enforced by the environment. For example, temporal change in stem increment integrates multiple information of tree performance, and wood anatomical traits may be altered by climatic extremes or environmental stress. Recent developments in preparative tools and computational image analysis enable to quantify changes in wood anatomical features, like vessel density or vessel size. Thus, impacts on their functioning can be related to climatic forcing factors. Similarly, new developments in monitoring (cambial) phenology and mechanistic modelling are enlightening the interrelationships between environmental factors, wood formation and tree performance and mortality. Quantitative wood anatomy is a reliable indicator of drought occurrence during the growing season, and therefore has been studied intensively in recent years. The variability in wood anatomy not only alters the biological and hydraulic functioning of a tree, but may also influence the technological properties of wood, with substantial impacts in forestry. On a larger scale, alterations of sapwood and phloem area and their ratios to other functional traits provide measures to detect changes in a tree’s life functions, and increasing risk of drought-induced mortality with possible impacts on hydrological processes and species composition of plant communities. Genetic variability within and across populations is assumed to be crucial for species survival in an unpredictable future world. The magnitude of genetic variation and heritability of adaptive traits might define the ability to adapt to climate change. Is there a relation between genetic variability and resilience to climate change? Is it possible to link genetic expression and climate change to obtain deeper knowledge of functional genetics? To derive precise estimates of genetic determinism it is important to define adaptive traits in wood properties and on a whole-tree scale. Understanding the mechanisms ruling these processes is fundamental to assess the impact of extreme climate events on forest ecosystems, and to provide realistic scenarios of tree responses to changing climates. Wood is also a major carbon sink with a long-term residence, impacting the global carbon cycle. How well do we understand the link between wood growth dynamics, wood carbon allocation and the global carbon cycle? Papers contribution to this Research Topic will cover a wide range of ecosystems. However, special relevance will be given to Mediterranean-type areas. These involve coastal regions of four continents, making Mediterranean-type ecosystems extremely interesting for investigating the potential impacts of global change on growth and for studying responses of woody plants under extreme environmental conditions. For example, the ongoing trend towards warmer temperatures and reduced precipitation can increase the susceptibility to fire and pests. The EU-funded COST Action STREeSS (Studying Tree Responses to extreme Events: a SynthesiS) addresses such crucial tree biological and forest ecological issues by providing a collection of important methodological and scientific insights, about the current state of knowledge, and by opinions for future research needs.
Integrated Drought Management
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Author : Vijay P. Singh
language : en
Publisher:
Release Date : 2023
Integrated Drought Management written by Vijay P. Singh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023 with Climatic changes categories.
The first volume of this comprehensive global perspective on Integrated Drought Management is focused on understanding drought, causes, and the assessment of drought impacts. It explains different types of drought: agricultural, meteorological, hydrological, and socio-economic droughts, their indices and the impact of climate change on drought. The volume also examines spatio-temporal analysis of drought, variability and patterns, assessment, and drought evaluation. With numerous case studies from India, Mexico, Turkey, Brazil, US, and other countries, this volume serves as a valuable resource for all readers who want to advance their knowledge on drought and risk management. Features 1. Provides a global perspective on drought prediction and management and a synthesis of the recent state of knowledge. 2. Covers a wide range of topics from essential concepts and advanced techniques for forecasting and modeling drought to societal impacts, consequences, and planning 3. Presents numerous case studies with different management approaches from different regions and countries. 4. Addresses how climate change impacts drought, the increasing challenges associated with managing drought, decision making, and policy implications. 5. Includes contributions from hundreds of experts around the world. Professionals, researchers, academics, and postgraduate students with knowledge in Environmental Sciences, Ecology, Agriculture, Forestry, Hydrology, Water Resources Engineering, and Earth Sciences, as well as those interested in how climate change impacts drought management, will gain new insights from the experts featured in this two-volume handbook.
Drought And Water Scarcity Addressing Current And Future Challenges
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Author : Nevil Wyndham Quinn
language : en
Publisher: Frontiers Media SA
Release Date : 2022-10-19
Drought And Water Scarcity Addressing Current And Future Challenges written by Nevil Wyndham Quinn and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-10-19 with Science categories.
Modelling The Economic And Social Consequences Of Drought Under Future Projections Of Climate Change
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Author : Katie L. Jenkins
language : en
Publisher:
Release Date : 2012
Modelling The Economic And Social Consequences Of Drought Under Future Projections Of Climate Change written by Katie L. Jenkins and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
Drought events and their consequences pose a considerable problem for governments, businesses and individuals. Superimposed on this risk is the danger of future anthropogenic climate change. Climate models are increasingly being used to understand how climate change may affect future drought regimes. However, methodologies to quantify the type and scale of social and economic effects that could occur under these future scenarios are virtually non-existent. Consequently, this study developed a methodology for projecting and quantifying future drought risk in terms of economic damages and numbers of lives lost and affected. In this study, historic drought events were identified in regional precipitation data using the Standardised Precipitation Index, and their magnitude quantified. Drought magnitude was linked to reported historic data on economic damages and the numbers of lives affected and lost, to create country specific economic and social drought damage functions for Australia, Brazil, China, Ethiopia, India, Spain/Portugal and the USA. Future projections of drought magnitude for 2003-2050 were modelled using the integrated assessment model CIAS (Community Integrated Assessment System), for a range of climate and emission scenarios, and applied to the drought damage functions to estimate future economic and social drought effects. Additionally, a preliminary investigation of indirect economic drought damages was conducted using the Adaptive Regional Input-Output model (ARIO). The analysis identified large variability in the scale and trend of economic and social effects from future drought. Economic benefits projected to occur in some countries were outweighed by negative effects elsewhere, with annual losses to global GDP from drought increasing in the first half of the 21st century. The analysis suggested that severe and extreme SPI-6 and SPI-12 drought events could cause additional losses to global GDP of 0.01% to 0.25% annually. Whilst this effect on global GDP may appear small, this is considered a conservative estimate namely as the analysis is representative of six countries only; the estimates do not incorporate the possibility of successive drought events, or compounding effects on vulnerability from interactions with other extreme events such as floods. Additionally, the global economic estimates exclude indirect economic effects, and social and environmental losses; the possibility of increasing vulnerability due to changing socio-economic conditions; and the possibility of irreversible or systemic collapse of economies as, under future climate change, drought magnitude may exceed current experience and surpass thresholds of social and economic resilience. Yet importantly, even just considering direct economic effects of individual drought events on a handful of countries still resulted in a noticeable effect on global GDP. Stringent mitigation had little effect on the increasing economic and social effects of drought in the first half of the 21st century, so in the short-term adaptation in drought 'hot spots' is crucial. However, stringent mitigation will be required to reduce increasingly severe drought events that are projected for the second half of the 21st century. A case study of Spain suggested that indirect economic losses increased non-linearly as a function of direct losses, amplifying total economic damages of drought. Importantly the non-linearity seen between direct and indirect economic costs suggests that the benefits of stringent mitigation policies, in terms of avoided indirect losses, may be more substantial than for direct losses in the second half of the 21st century. The main impact of the research is its contribution to the assessment of economic and social damages from drought events through the creation and application of drought damage functions. The drought damage functions could be incorporated into wider economic assessments of climate change or integrated assessment models that currently exclude extreme weather events. The inclusion of drought related economic and social damages could help to guide appropriate levels of climate change mitigation, help to gauge the vulnerability of communities to future drought events, guide drought risk management, and inform drought adaptation strategies. The application of I-O analysis to estimate indirect economic losses from drought is a relatively new and developing area of research. The research highlights how I-O analysis could be used to provide estimates of economic drought damages under future climate change, which are more comprehensive, and useful for assessing benefits of future mitigation and adaptation strategies. Consequently, there are many gains to be seen from the continued development and application of this research methodology for drought.
Drought Phenotyping In Crops From Theory To Practice
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Author : Philippe Monneveux
language : en
Publisher: Frontiers E-books
Release Date : 2014-02-12
Drought Phenotyping In Crops From Theory To Practice written by Philippe Monneveux and has been published by Frontiers E-books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-02-12 with categories.
This topic is a unique attempt to simultaneously tackle theoretical and practical aspects in drought phenotyping, through both crop-specific and cross-cutting approaches. It is designed for – and will be of use to – practitioners and postgraduate students in plant science, who are grappling with the challenging task of evaluating germplasm performance under different water regimes. In Part I, different methodologies are presented for accurately characterising environmental conditions, implementing trials, and capturing and analysing the information this generates, regardless of the crop. Part II presents the state-of-art in research on adaptation to drought, and recommends specific protocols to measure different traits in major food crops (focusing on particular cereals, legumes and clonal crops). The topic is part of the CGIAR Generation Challenge Programme’s efforts to disseminate crop research information, tools and protocols, for improving characterisation of environments and phenotyping conditions. The goal is to enhance expertise in testing locations, and to stimulate the development and use of traits related to drought tolerance, as well as innovative protocols for crop characterisation and breeding.
Drought
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Author : Justin Sheffield
language : en
Publisher: Routledge
Release Date : 2012-11-12
Drought written by Justin Sheffield and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-11-12 with Nature categories.
Drought is one of the likely consequences of climate change in many regions of the world. Together with an increased demand for water resources to supply the world's growing population, it represents a potentially disastrous threat to water supplies, agriculture and food production, leading to famine and environmental degradation. Yet predicting drought is fraught with difficulty. The aim of this book is to provide a review of the historical occurrence of global drought, particularly during the 20th century and assess the likely potential changes over the 21st century under climate change. This includes documentation of the occurrence and impacts of major 20th century drought events and analysis of the contributing climatic and environmental factors that act to force, prolong and dissipate drought. Contemporary drought is placed in the context of climate variability since the last ice age, including the many severe and lengthy drought events that contributed to the demise of great civilizations, the disappearance of lakes and rivers, and the conversion of forests to deserts. The authors discuss the developing field of drought monitoring and seasonal forecasting and describe how this is vital for identifying emerging droughts and for providing timely warning to help reduce the impacts. The book provides a broad overview of large scale drought, from historic events such as the US Dust Bowl and African Sahel, and places this in the context of climate variability and change. The work is soundly based on detailed research that has looked at drought occurrence over the 20th century, global drought monitoring, modelling and seasonal prediction, and future projections from climate models.
Climate Science Advances To Address 21st Century Weather And Climate Extremes
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Author : Chris C. Funk
language : en
Publisher: Frontiers Media SA
Release Date : 2021-08-24
Climate Science Advances To Address 21st Century Weather And Climate Extremes written by Chris C. Funk and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-08-24 with Science categories.