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Author: Zachary Lance Langford
Publisher:
ISBN:
Category : Arctic regions
Languages : en
Pages : 181
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Book Description
Amplified warming in the Arctic has likely increased the rate of landscape change and disturbances in northern high latitude regions. Satellite remote sensing is a valuable tool for monitoring natural and anthropogenic changes occurring in remote, northern high latitude environments over multiple time scales. It offers the potential to characterize the vegetation, land cover, hydrology, geomorphology and permafrost characteristics of the Arctic landscape and improve and improve our understanding of changes these ecosystems are undergoing due to effect of natural and anthropogenic climate change and changing disturbance regimes. Combined with ground based observations of ecological processes, remote sensing offers opportunities for upscaling the ground based measurements to better understand the larger landscape. In this dissertation research I have developed 1) new techniques for integration of remote sensing data set from a range of platforms with different spatial and temporal resolutions; 2) computationally efficient statistical and machine learning techniques to get ecological insights from large volumes of high dimensional remote sensing data; 3) methods to characterize and map vegetation characteristics at NGEE Arctic field sites in Alaska; and 4) techniques for identification and attribution of disturbance regimes in Alaska. In a close partnership with field ecologist, geospatial and machine learning techniques I have developed in this research has led to new insights and high resolution datasets of Arctic vegetation processes.
Author: Zachary Lance Langford
Publisher:
ISBN:
Category : Arctic regions
Languages : en
Pages : 181
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Book Description
Amplified warming in the Arctic has likely increased the rate of landscape change and disturbances in northern high latitude regions. Satellite remote sensing is a valuable tool for monitoring natural and anthropogenic changes occurring in remote, northern high latitude environments over multiple time scales. It offers the potential to characterize the vegetation, land cover, hydrology, geomorphology and permafrost characteristics of the Arctic landscape and improve and improve our understanding of changes these ecosystems are undergoing due to effect of natural and anthropogenic climate change and changing disturbance regimes. Combined with ground based observations of ecological processes, remote sensing offers opportunities for upscaling the ground based measurements to better understand the larger landscape. In this dissertation research I have developed 1) new techniques for integration of remote sensing data set from a range of platforms with different spatial and temporal resolutions; 2) computationally efficient statistical and machine learning techniques to get ecological insights from large volumes of high dimensional remote sensing data; 3) methods to characterize and map vegetation characteristics at NGEE Arctic field sites in Alaska; and 4) techniques for identification and attribution of disturbance regimes in Alaska. In a close partnership with field ecologist, geospatial and machine learning techniques I have developed in this research has led to new insights and high resolution datasets of Arctic vegetation processes.
Author: Xinming Tang
Publisher: CRC Press
ISBN: 0203937554
Category : Science
Languages : en
Pages : 252
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Book Description
Developments in Geographic Information Technology have raised the expectations of users. A static map is no longer enough; there is now demand for a dynamic representation. Time is of great importance when operating on real world geographical phenomena, especially when these are dynamic. Researchers in the field of Temporal Geographical Infor
Author: Jay Lee
Publisher: CRC Press
ISBN: 1000844544
Category : Technology & Engineering
Languages : en
Pages : 348
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Book Description
This book introduces readers to spatiotemporal analytics that are extended from spatial statistics. Spatiotemporal analytics help analysts to quantitatively recognize and evaluate the spatial patterns and their temporal trends of a set of geographic events or objects. Spatiotemporal analyses are very important in geography, environmental sciences, economy, and many other domains. Spatiotemporal Analytics explains in very simple terms the concepts of spatiotemporal data and statistics, theories, and methods used. Each chapter introduces a case study as an example application for an in-depth learning process. The software used and the codes provided enable readers not only to learn statistics but also to use them effectively in their projects. • Provides a comprehensive understanding of spatiotemporal analytics to readers with minimum knowledge in statistics. • Written in simple, understandable language with step-by-step instructions. • Includes numerous examples for all theories and methods explained in the book covering a wide range of applications from different disciplines. • Each application includes a software code needed to follow the instructions. • Each chapter also has a set of prepared PowerPoint slides to help spatiotemporal analytics instructors explain the content. Undergraduate and graduate students who use Geographic Information Systems or study Geographical Information Science will find this book useful. The subject matter is also pertinent to an array of disciplines such as agriculture, anthropology, archaeology, architecture, biology, business administration and management, civic engineering, criminal justice, epidemiology, geography, geology, marketing, political science, and public health.
Author: Michael F. Goodchild
Publisher: John Wiley & Sons
ISBN: 9780470236772
Category : Technology & Engineering
Languages : en
Pages : 536
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Book Description
GIS and Environmental Modeling: Progress and Research Issues Michael F. Goodchild, Louis T. Steyaert, Bradley O. Parks, Carol Johnston, David Maidment, Michael Crane, and Sandi Glendinning, Editors With growing pressure on natural resources and landscapes there is an increasing need to predict the consequences of any changes to the environment. Modelling plays an important role in this by helping our understanding of the environment and by forecasting likely impacts. In recent years moves have been made to link models to Geographical Information Systems to provide a means of analysing changes over an area as well as over time. GIS and Environmental Modeling explores the progress made to date in integrating these two software systems. Approaches to the subject are made from theoretical, technical as well as data stand points. The existing capabilities of current systems are described along with important issues of data availability, accuracy and error. Various case studies illustrate this and highlight the common concepts and issues that exist between researchers in different environmental fields. The future needs and prospects for integrating GIS and environmental models are also explored with developments in both data handling and modelling discussed. The book brings together the knowledge and experience of over 100 researchers from academic, commercial and government backgrounds who work in a wide range of disciplines. The themes followed in the text provide a fund of knowledge and guidance for those involved in environmental modelling and GIS. The book is easily accessible for readers with a basic GIS knowledge and the ideas and results of the research are clearly illustrated with both colour and black and white graphics.
Author: Holley Moyes
Publisher: University Press of Colorado
ISBN: 1607321785
Category : Social Science
Languages : en
Pages : 431
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Book Description
Caves have been used in various ways across human society, but despite the persistence within popular culture of the iconic caveman, deep caves were never used primarily as habitation sites for early humans. Rather, in both ancient and contemporary contexts, caves have served primarily as ritual spaces. In Sacred Darkness, contributors use archaeological evidence as well as ethnographic studies of modern ritual practices to envision the cave as place of spiritual and ideological power that emerges as a potent venue for ritual practice. Covering the ritual use of caves in Europe, Asia, Australia, Africa, Mesoamerica, and the US Southwest and Eastern woodlands, this book brings together case studies by prominent scholars whose research spans from the Paleolithic period to the present day. These contributions demonstrate that cave sites are as fruitful as surface contexts in promoting the understanding of both ancient and modern religious beliefs and practices. This state-of-the-art survey of ritual cave use will be one of the most valuable resources for understanding the role of caves in studies of religion, sacred landscape, or cosmology and a must-read for any archaeologist interested in caves.
Author: Jingxiong Zhang
Publisher: CRC Press
ISBN: 1439829381
Category : Mathematics
Languages : en
Pages : 362
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Book Description
Now ubiquitous in modern life, spatial data present great opportunities to transform many of the processes on which we base our everyday lives. However, not only do these data depend on the scale of measurement, but also handling these data (e.g., to make suitable maps) requires that we account for the scale of measurement explicitly. Scale in Spat
Author: Sanjay Misra
Publisher: Springer
ISBN: 3030243052
Category : Computers
Languages : en
Pages : 837
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Book Description
The six volumes LNCS 11619-11624 constitute the refereed proceedings of the 19th International Conference on Computational Science and Its Applications, ICCSA 2019, held in Saint Petersburg, Russia, in July 2019. The 64 full papers, 10 short papers and 259 workshop papers presented were carefully reviewed and selected form numerous submissions. The 64 full papers are organized in the following five general tracks: computational methods, algorithms and scientific applications; high performance computing and networks; geometric modeling, graphics and visualization; advanced and emerging applications; and information systems and technologies. The 259 workshop papers were presented at 33 workshops in various areas of computational sciences, ranging from computational science technologies to specific areas of computational sciences, such as software engineering, security, artificial intelligence and blockchain technologies.
Author: Chris B. Jones
Publisher: Routledge
ISBN: 131790026X
Category : Science
Languages : en
Pages : 344
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Book Description
A concise text presenting the fundamental concepts in Geographical Information Systems (GIS), emphasising an understanding of techniques in management, analysis and graphic display of spatial information. Divided into five parts - the first part reviews the development and application of GIS, followed by a summary of the characteristics and representation of geographical information. It concludes with an overview of the functions provided by typical GIS systems. Part Two introduces co-ordinate systems and map projections, describes methods for digitising map data and gives an overview of remote sensing. Part Three deals with data storage and database management, as well as specialised techniques for accessing spatial data. Spatial modelling and analytical techniques for decision making form the subject of Part Four, while the final part is concerned with graphical representation, emphasising issues of graphics technology, cartographic design and map generalisation.
Author: Sulochana Shekhar
Publisher: CRC Press
ISBN: 1000910873
Category : Technology & Engineering
Languages : en
Pages : 377
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Book Description
This book provides compelling new insights into how cities are attempting to address sustainability challenges via major applications of geospatial technology in an urban area. It elucidates the role of geospatial techniques such as GIS and GNSS, including remote sensing in urban management, and covers the theory and practice of urban sustainability transitions. It provides case studies and contextualised tools for the governance of urban transitions to present various applications of geospatial techniques in an urban environment. Features: Covers hands-on approaches on quantitative measures of urban analytics Focuses on sustainability issues in urban planning and development Includes pertinent global case studies for implementation of urban planning practices Reviews the inter-relationship between smart cities and sustainable development This book is aimed at graduate students, researchers, and professionals in GIS, urban sciences, and geography.
Author: Xiaodong Wu
Publisher: Frontiers Media SA
ISBN: 2832507565
Category : Science
Languages : en
Pages : 179
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Book Description
