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Author : Paul A. Dirmeyer
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.:/5 (254 download)
Download or read book An Evaluation of the Strength of Land-atmosphere Coupling written by Paul A. Dirmeyer and published by . This book was released on 2000 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kerry Emanuel
Publisher : Springer
ISBN 13 : 1935704133
Total Pages : 242 pages
Book Rating : 4.9/5 (357 download)
Download or read book The Representation of Cumulus Convection in Numerical Models written by Kerry Emanuel and published by Springer. This book was released on 2015-03-30 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents descriptions of numerical models for testing cumulus in cloud fields. It is divided into six parts. Part I provides an overview of the problem, including descriptions of cumulus clouds and the effects of ensembles of cumulus clouds on mass, momentum, and vorticity distributions. A review of closure assumptions is also provided. A review of "classical" convection schemes in widespread use is provided in Part II. The special problems associated with the representation of convection in mesoscale models are discussed in Part III, along with descriptions of some of the commonly used mesoscale schemes. Part IV covers some of the problems associated with the representation of convection in climate models, while the parameterization of slantwise convection is the subject of Part V.
Author : D. D. Turner
Publisher :
ISBN 13 : 9781944970055
Total Pages : 0 pages
Book Rating : 4.9/5 (7 download)
Download or read book The Atmospheric Radiation Measurement (ARM) Program written by D. D. Turner and published by . This book was released on 2018-03-09 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Li Zhang
Publisher :
ISBN 13 :
Total Pages : 23 pages
Book Rating : 4.:/5 (845 download)
Download or read book Land-atmosphere Coupling Strength in the Global Forecasting System written by Li Zhang and published by . This book was released on 2010 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 030915183X
Total Pages : 192 pages
Book Rating : 4.3/5 (91 download)
Download or read book Assessment of Intraseasonal to Interannual Climate Prediction and Predictability written by National Research Council and published by National Academies Press. This book was released on 2010-10-08 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: More accurate forecasts of climate conditions over time periods of weeks to a few years could help people plan agricultural activities, mitigate drought, and manage energy resources, amongst other activities; however, current forecast systems have limited ability on these time- scales. Models for such climate forecasts must take into account complex interactions among the ocean, atmosphere, and land surface. Such processes can be difficult to represent realistically. To improve the quality of forecasts, this book makes recommendations about the development of the tools used in forecasting and about specific research goals for improving understanding of sources of predictability. To improve the accessibility of these forecasts to decision-makers and researchers, this book also suggests best practices to improve how forecasts are made and disseminated.
Author : Tianjun Zhou
Publisher : Springer Science & Business Media
ISBN 13 : 3642418015
Total Pages : 468 pages
Book Rating : 4.6/5 (424 download)
Download or read book Flexible Global Ocean-Atmosphere-Land System Model written by Tianjun Zhou and published by Springer Science & Business Media. This book was released on 2013-11-19 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coupled climate system models are of central importance for climate studies. A new model known as FGOALS ( the Flexible Global Ocean-Atmosphere-Land System model), has been developed by the Sate Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics, Institute of Atmospheric Physics, Chinese Academy of Sciences (LASG/IAP, CAS), a first-tier national geophysical laboratory. It serves as a powerful tool, both for deepening our understanding of fundamental mechanisms of the climate system and for making decadal prediction and scenario projections of future climate change. "Flexible Global Ocean-Atmosphere-Land System Model: A Modeling Tool for the Climate Change Research Community” is the first book to offer systematic evaluations of this model’s performance. It is comprehensive in scope, covering both developmental and application-oriented aspects of this climate system model. It also provides an outlook of future development of FGOALS and offers an overview of how to employ the model. It represents a valuable reference work for researchers and professionals working within the related areas of climate variability and change. Prof. Tianjun Zhou, Yongqiang Yu, Yimin Liu and Bin Wang work at LASG, the Institute of Atmospheric Physics, Chinese Academy of Sciences, China.
Author : Nafiseh Haghtalab
Publisher :
ISBN 13 :
Total Pages : 146 pages
Book Rating : 4.5/5 (355 download)
Download or read book Evaluating Climate Variability and Coupling Strength of Land-atmosphere Interactions Across the Amazon Basin written by Nafiseh Haghtalab and published by . This book was released on 2021 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Amazon basin, which contains about 60% of tropical rainforests in the world, plays vital roles in regulating climate patterns, sustaining ecosystem services, contributing to global biodiversity, and cycling nutrients. These services, however, have been disrupted by human activities within the region due to infrastructure development and resource extraction. These land-use changes have impacts from local to global scales, particularly on climate and hydrologic cycles, but the extent to which is unclear. Therefore, it is essential to examine precipitation variability and look for drivers of changes at multiple spatio-temporal scales. Analysis of hot spots of land-atmosphere interactions highlights the areas where changes in land surface characteristics influence the atmosphere behavior the most. This dissertation focuses on climate variability and land-atmosphere coupling across the Amazon basin. Research questions are addressed in three self-contained chapters. Chapter 2 examines the changes in precipitation amount and intensity using a high-resolution (0.05℗ʻ spatial resolution) gridded data set (CHIRPS) from 1982 to 2018. Several precipitation indices are developed to analyze trends using the Mann-Kendall test. Our results show landscape-scale changes in the timing and intensity of rainfall events. Specifically, wet areas of the western basin have become significantly wetter since 1982, with an increase of 182 mm of rainfall per year. In the eastern and southern regions, where deforestation is widespread, a significant drying trend is evident. In chapter 3, we aim to examine the impacts of potential tropical reforestation on surface energy and moisture budgets, including precipitation. We simulated changes in heat and moisture fluxes due to tropical reforestation using WRF.V3.9 (Weather Research and Forecast model) to analyze the sensitivity and magnitude of changes to the surface fluxes due to reforestation in the Amazon Basin. We found that the effects of reforestation on the atmosphere were more evident during the dry season; spatial patterns of the changes in atmospheric behavior due to reforestation were consistent with the pattern of land cover change, and the cooling effect of reforestation was evident at seasonal time scale. In chapter 4, following the results of chapter 3 on the effects of land surface characteristics on atmosphere behavior, we aim to find hot spots of strong land-atmosphere (L-A) coupling across the basin at regional scales. Strong land-atmosphere coupling is critical to understanding precipitation dynamics. Therefore, we applied two commonly used coupling approaches at the regional spatial scale and monthly temporal scale. Ultimately, we recommend a new metric considering more physical relationships, interactions, and lag times between variables. We found that the spatial pattern of hot spots is highly dependent on the temporal and spatial scales of analysis. Also, the interactions among variables within the boundary layer play a more important role in determining the hot spots of strong L-A coupling. Overall, the evidence provided here suggests that (1) precipitation distribution has changed over time (1982-2018) with wet areas getting wetter and dry areas getting drier across the Amazon basin; (2) reforestation of deforested regions across the basin moderates atmospheric patterns and behavior; (3) hot spots of strong L-A coupling are highly dependent on temporal and spatial scales of analysis as well as parameters interactions within the boundary layer.
Author : Gordon B. Bonan
Publisher : Cambridge University Press
ISBN 13 : 1107268869
Total Pages : 1209 pages
Book Rating : 4.1/5 (72 download)
Download or read book Ecological Climatology written by Gordon B. Bonan and published by Cambridge University Press. This book was released on 2008-09-18 with total page 1209 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces an interdisciplinary framework to understand the interaction between terrestrial ecosystems and climate change. It reviews basic meteorological, hydrological and ecological concepts to examine the physical, chemical and biological processes by which terrestrial ecosystems affect and are affected by climate. The textbook is written for advanced undergraduate and graduate students studying ecology, environmental science, atmospheric science and geography. The central argument is that terrestrial ecosystems become important determinants of climate through their cycling of energy, water, chemical elements and trace gases. This coupling between climate and vegetation is explored at spatial scales from plant cells to global vegetation geography and at timescales of near instantaneous to millennia. The text also considers how human alterations to land become important for climate change. This restructured edition, with updated science and references, chapter summaries and review questions, and over 400 illustrations, including many in colour, serves as an essential student guide.
Author : Gilbert Brunet
Publisher :
ISBN 13 : 9789263111562
Total Pages : 471 pages
Book Rating : 4.1/5 (115 download)
Download or read book Seamless Prediction of the Earth System written by Gilbert Brunet and published by . This book was released on 2015 with total page 471 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This book collects together White Papers that have been written to describe the state of the science and to discuss the major challenges for making further advances. The authors of each chapter have attempted to draw together key aspects of the science that was presented at WWOSC-2014. The overarching theme of this book and of WWOSC-2014 is 'Seamless Prediction of the Earth System: from minutes to months'. The book is structured with chapters that address topics regarding: Observations and Data Assimilation; Predictability and Processes; Numerical Prediction of the Earth System; Weather-related Hazards and Impacts. This book marks a point in time and the knowledge that has been accumulating on weather science. It aims to point the way to future developments"--Preface.
Author : Michael Keller
Publisher : John Wiley & Sons
ISBN 13 : 1118671511
Total Pages : 1472 pages
Book Rating : 4.1/5 (186 download)
Download or read book Amazonia and Global Change written by Michael Keller and published by John Wiley & Sons. This book was released on 2013-05-02 with total page 1472 pages. Available in PDF, EPUB and Kindle. Book excerpt: Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 186. Amazonia and Global Change synthesizes results of the Large-Scale Biosphere-Atmosphere Experiment in Amazonia (LBA) for scientists and students of Earth system science and global environmental change. LBA, led by Brazil, asks how Amazonia currently functions in the global climate and biogeochemical systems and how the functioning of Amazonia will respond to the combined pressures of climate and land use change, such as Wet season and dry season aerosol concentrations and their effects on diffuse radiation and photosynthesis Increasing greenhouse gas concentration, deforestation, widespread biomass burning and changes in the Amazonian water cycle Drought effects and simulated drought through rainfall exclusion experiments The net flux of carbon between Amazonia and the atmosphere Floodplains as an important regulator of the basin carbon balance including serving as a major source of methane to the troposphere The impact of the likely increased profitability of cattle ranching. The book will serve a broad community of scientists and policy makers interested in global change and environmental issues with high-quality scientific syntheses accessible to nonspecialists in a wide community of social scientists, ecologists, atmospheric chemists, climatologists, and hydrologists.
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309054494
Total Pages : 645 pages
Book Rating : 4.3/5 (9 download)
Download or read book Natural Climate Variability on Decade-to-Century Time Scales written by National Research Council and published by National Academies Press. This book was released on 1996-08-30 with total page 645 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume reflects the current state of scientific knowledge about natural climate variability on decade-to-century time scales. It covers a wide range of relevant subjects, including the characteristics of the atmosphere and ocean environments as well as the methods used to describe and analyze them, such as proxy data and numerical models. They clearly demonstrate the range, persistence, and magnitude of climate variability as represented by many different indicators. Not only do natural climate variations have important socioeconomic effects, but they must be better understood before possible anthropogenic effects (from greenhouse gas emissions, for instance) can be evaluated. A topical essay introduces each of the disciplines represented, providing the nonscientist with a perspective on the field and linking the papers to the larger issues in climate research. In its conclusions section, the book evaluates progress in the different areas and makes recommendations for the direction and conduct of future climate research. This book, while consisting of technical papers, is also accessible to the interested layperson.
Author : National Academies of Sciences, Engineering, and Medicine
Publisher : National Academies Press
ISBN 13 : 0309388805
Total Pages : 351 pages
Book Rating : 4.3/5 (93 download)
Download or read book Next Generation Earth System Prediction written by National Academies of Sciences, Engineering, and Medicine and published by National Academies Press. This book was released on 2016-08-22 with total page 351 pages. Available in PDF, EPUB and Kindle. Book excerpt: As the nation's economic activities, security concerns, and stewardship of natural resources become increasingly complex and globally interrelated, they become ever more sensitive to adverse impacts from weather, climate, and other natural phenomena. For several decades, forecasts with lead times of a few days for weather and other environmental phenomena have yielded valuable information to improve decision-making across all sectors of society. Developing the capability to forecast environmental conditions and disruptive events several weeks and months in advance could dramatically increase the value and benefit of environmental predictions, saving lives, protecting property, increasing economic vitality, protecting the environment, and informing policy choices. Over the past decade, the ability to forecast weather and climate conditions on subseasonal to seasonal (S2S) timescales, i.e., two to fifty-two weeks in advance, has improved substantially. Although significant progress has been made, much work remains to make S2S predictions skillful enough, as well as optimally tailored and communicated, to enable widespread use. Next Generation Earth System Predictions presents a ten-year U.S. research agenda that increases the nation's S2S research and modeling capability, advances S2S forecasting, and aids in decision making at medium and extended lead times.
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309252202
Total Pages : 190 pages
Book Rating : 4.3/5 (92 download)
Download or read book Urban Meteorology written by National Research Council and published by National Academies Press. This book was released on 2012-06-13 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: According to the United Nations, three out of five people will be living in cities worldwide by the year 2030. The United States continues to experience urbanization with its vast urban corridors on the east and west coasts. Although urban weather is driven by large synoptic and meso-scale features, weather events unique to the urban environment arise from the characteristics of the typical urban setting, such as large areas covered by buildings of a variety of heights; paved streets and parking areas; means to supply electricity, natural gas, water, and raw materials; and generation of waste heat and materials. Urban Meteorology: Forecasting, Monitoring, and Meeting Users' Needs is based largely on the information provided at a Board on Atmospheric Sciences and Climate community workshop. This book describes the needs for end user communities, focusing in particular on needs that are not being met by current urban-level forecasting and monitoring. Urban Meteorology also describes current and emerging meteorological forecasting and monitoring capabilities that have had and will likely have the most impact on urban areas, some of which are not being utilized by the relevant end user communities. Urban Meteorology explains that users of urban meteorological information need high-quality information available in a wide variety of formats that foster its use and within time constraints set by users' decision processes. By advancing the science and technology related to urban meteorology with input from key end user communities, urban meteorologists can better meet the needs of diverse end users. To continue the advancement within the field of urban meteorology, there are both short-term needs-which might be addressed with small investments but promise large, quick returns-as well as future challenges that could require significant efforts and investments.
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309060982
Total Pages : 161 pages
Book Rating : 4.3/5 (9 download)
Download or read book Decade-to-Century-Scale Climate Variability and Change written by National Research Council and published by National Academies Press. This book was released on 1998-12-24 with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt: Society today may be more vulnerable to global-scale, long-term, climate change than ever before. Even without any human influence, past records show that climate can be expected to continue to undergo considerable change over decades to centuries. Measures for adaption and mitigation will call for policy decisions based on a sound scientific foundation. Better understanding and prediction of climate variations can be achieved most efficiently through a nationally recognized "dec-cen" science plan. This book articulates the scientific issues that must be addressed to advance us efficiently toward that understanding and outlines the data collection and modeling needed.
Author : Aondover Tarhule
Publisher : BoD – Books on Demand
ISBN 13 : 9535111876
Total Pages : 218 pages
Book Rating : 4.5/5 (351 download)
Download or read book Climate Variability written by Aondover Tarhule and published by BoD – Books on Demand. This book was released on 2013-08-28 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: As societies transition to evidence-based adaptation and management there is increasing recognition of the need for understanding climate change and variability dynamics and impacts at regional levels and for various activities. This book is a contribution toward that goal. Readers interested in climate change management will find detailed discussions of climatic variability dynamics in selected regions as well as new innovative ways of monitoring climate change, assessing climate risks, and predicting impacts. Those interested in refreshing the fundamentals of climate change and climate variability will find a very accessible review of the status of knowledge on the subject, including a balanced interrogation of available evidence. In an attempt to keep the book accessible, every effort was made to minimize technical jargon without compromising scientific accuracy. The result should be useful to researchers, practitioners, and policy makers.
Author : Mehrez Zribi
Publisher : Elsevier
ISBN 13 : 0081012659
Total Pages : 386 pages
Book Rating : 4.0/5 (81 download)
Download or read book Land Surface Remote Sensing written by Mehrez Zribi and published by Elsevier. This book was released on 2016-11-08 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: Land Surface Remote Sensing: Environment and Risks explores the use of remote sensing in applications concerning the environment, including desertification and monitoring deforestation and forest fires. The first chapter covers the characterization of aerosols and gases by passive remote sensing. The next chapter presents the correlation of optical images for quantifying the deformation of the Earth's surface and geomorphological processes. The third chapter is examines remote sensing applications in the mining environment. The fourth chapter depicts the strong potential of radar imagery for volcanology and urban and mining subsidence studies. The next two chapters deal respectively with the use of remote sensing in locust control and the contribution of remote sensing to the epidemiology of infectious diseases. In the last ten years, spatial observation of the Earth—particularly continental surfaces—has expanded considerably with the launch of increasing numbers of satellites covering various applications (hydrology, biosphere, flow of surface, snow, ice, landslide, floods). This has paved the way for an explosion in the use of remote sensing data. This book offers essential coverage of space-based observation techniques for continental surfaces. The authors explore major applications and provide a corresponding detailed chapter for the physical principles, physics of measurement, and data processing requirements for each technique, bringing you up-to-date descriptions of techniques used by leading scientists in the field of remote sensing and Earth observation. - Provides clear and concise descriptions of modern remote sensing methods - Explores the most current remote sensing techniques with physical aspects of the measurement (theory) and their applications - Provides chapters on physical principles, measurement, and data processing for each technique described - Describes optical remote sensing technology, including a description of acquisition systems and measurement corrections to be made
Author : Paul J Kramer
Publisher : Academic Press
ISBN 13 : 0323138233
Total Pages : 502 pages
Book Rating : 4.3/5 (231 download)
Download or read book Water Relations of Plants written by Paul J Kramer and published by Academic Press. This book was released on 2012-12-02 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt: Water Relations of Plants attempts to explain the importance of water through a description of the factors that control the plant water balance and how they affect the physiological processes that determine the quantity and quality of growth. Organized into 13 chapters, this book first discusses the functions and properties of water and the plant cell water relations. Subsequent chapters focus on measurement and control of soil water, as well as growth and functions of root. This book also looks into the water absorption, the ascent of sap, the transpiration, and the water stress and its effects on plant processes and growth. This book will be useful for students, teachers, and investigators in both basic and applied plant science, as well as for botanists, agronomists, foresters, horticulturists, soil scientists, and even laymen with an interest in plant water relations.
