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Author: G. Michael Fitch
Publisher:
ISBN:
Category : Global Positioning System
Languages : en
Pages : 30
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Book Description
The purpose of this study was to determine the feasibility of using the Global Positioning System (GPS), composed of 24 NAVSTAR satellites emitting individually coded radio signals with accurate timing and ephemeris information, to capture environmental field data. The accuracy of data collected in diverse environments and the practicality of transferring the data into a geographic information system (GIS) or computer aided design system (CADD) were tested. Three different data sets were collected: point, line, and area data. A Trimble GeoExplorer mapping grade GPS was used as the rover for data collection tests. Trimble base stations in North Carolina were used as the source of postprocessing data. Data collection was accurate and conversion of the data into GIS or CADD formats was practical. GPS technology is a highly feasible way to capture environmental location data.
Author: G. Michael Fitch
Publisher:
ISBN:
Category : Global Positioning System
Languages : en
Pages : 30
Get Book Here
Book Description
The purpose of this study was to determine the feasibility of using the Global Positioning System (GPS), composed of 24 NAVSTAR satellites emitting individually coded radio signals with accurate timing and ephemeris information, to capture environmental field data. The accuracy of data collected in diverse environments and the practicality of transferring the data into a geographic information system (GIS) or computer aided design system (CADD) were tested. Three different data sets were collected: point, line, and area data. A Trimble GeoExplorer mapping grade GPS was used as the rover for data collection tests. Trimble base stations in North Carolina were used as the source of postprocessing data. Data collection was accurate and conversion of the data into GIS or CADD formats was practical. GPS technology is a highly feasible way to capture environmental location data.
Author: Robert Puterski
Publisher:
ISBN:
Category : Global Positioning System
Languages : en
Pages : 88
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Book Description
Author: Jay Krishna Thakur
Publisher: Springer Science & Business Media
ISBN: 9400718586
Category : Technology & Engineering
Languages : en
Pages : 308
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Book Description
"Geospatial Information" is spatial data concerning a place or, in space, collected in real time. Geospatial techniques together with remote sensing, geographic information science, Global Positioning System (GPS), cartography, geovisualization, and spatial statistics are being used to capture, store, manipulate and analyze to understand complex situations to solve mysteries of the universe. These techniques have been applied in various fields such as meteorology, forestry, environmental management, agriculture, health, homeland security etc. around the globe. This volume presents case studies and examples from various parts of the world and provides a broad overview of various approaches; data sets; data acquiring, monitoring and dissemination methods; satellites and sensors; tools and techniques used; integrating tools, techniques and application to various fields for the sustainable management of environmental resources in the context of global environmental change and natural hazards. The objective of this book is to provide state-of-the-art information to academics, researchers and industry practitioners who are involved or interested in the study, use, design and development of advanced and emerging geospatial technologies around the world with ultimate aim to empower individuals and organizations in building competencies for exploiting the opportunities of the knowledge society. All the chapters are peer-reviewes and evaluated and are an inter- and multi-disciplinary source of information, making an effort to link various geospatial techniques to make the earth an habitable place. The contributors have tried to focus their respective views on the current problems that need urgent attention. Consequently, we see this book as a comprehensive information base, which includes work of expertise in their specific fields of research.
Author: John Spencer
Publisher: John Wiley & Sons
ISBN: 0470693150
Category : Science
Languages : en
Pages : 232
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Book Description
Global Positioning System is the first book to guide social scientists with little or no mapping or GPS experience through the process of collecting field data from start to finish. Takes readers step-by-step through the key stages of a GPS fieldwork project. Explains complex background topics in clear, easy-to-understand language. Provides simple guidelines for GPS equipment selection. Provides practical solutions for real GPS data collection issues. Offers a concise guide to using GPS-collected data within geographic information systems.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 12
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Book Description
The US Department of Energy's 1,450 km2 Hanford Site in southeastern Washington State accumulated hazardous wastes for more than 50 years. To support the Site's mission of environmental restoration and cleanup, the Global Positioning System (GPS) is being used to verify waste site locations and provide location information for field samples. Collected GPS data are stored for use in the Hanford Geographic Information System (HGIS). The NAVSTAR GPS is a space-based electronic navigation and positioning system designed and operated by the US Department of Defense (DOD). The system consists of three major components: (1) the space segment, comprising 24 earth-orbiting satellites; (2) the control segment, made up of 5 control and monitoring stations placed around the globe; and (3) the user segment, which includes users worldwide. When declared fully operational by the DOD, the NAVSTAR GPS will allow users to identify their geographical position anywhere on earth at any time. There are no user fees for the service and anyone with a GPS receiver may use the system worldwide. The one major hindrance to the system is the DOD policy concerning a security option called Selective Availability (SA). Selective Availability affects the usability of the system by intentional manipulation of the GPS signals to degrade the accuracy of the user's positions. The period and magnitude of degradation is solely a DOD privilege. The DOD policy on SA is to vary the error in position calculated from the Standard Positioning Service code to approximately 100 m root-mean squared (RMS). With SA on and other possible errors included, users may know their location to within a few hundred meters. While this accuracy is good for many applications, it is too inaccurate for others.
Author: Richard D. Easton
Publisher: Potomac Books, Inc.
ISBN: 1612344097
Category : History
Languages : en
Pages : 345
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Book Description
GPS Declassified examines the development of GPS from its secret, Cold War military roots to its emergence as a worldwide consumer industry. Drawing on previously unexplored documents, the authors examine how military rivalries influenced the creation of GPS and shaped public perceptions about its origin. Since the United States' first program to launch a satellite in the late 1950s, the nation has pursued dual paths into space-one military and secret, the other scientific and public. Among the many commercial spinoffs this approach has produced, GPS arguably boasts the greatest impact on our.
Author: Scott Pace
Publisher: RAND Corporation
ISBN:
Category : Fiction
Languages : en
Pages : 438
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Book Description
A comprehensive assessment of the challenges and opportunities created by worldwide access to this revolutionary technology.
Author: Ferdinando Urbano
Publisher: Springer Science & Business Media
ISBN: 3319037439
Category : Science
Languages : en
Pages : 271
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Book Description
This book guides animal ecologists, biologists and wildlife and data managers through a step-by-step procedure to build their own advanced software platforms to manage and process wildlife tracking data. This unique, problem-solving-oriented guide focuses on how to extract the most from GPS animal tracking data, while preventing error propagation and optimizing analysis performance. Based on the open source PostgreSQL/PostGIS spatial database, the software platform will allow researchers and managers to integrate and harmonize GPS tracking data together with animal characteristics, environmental data sets, including remote sensing image time series, and other bio-logged data, such as acceleration data. Moreover, the book shows how the powerful R statistical environment can be integrated into the software platform, either connecting the database with R, or embedding the same tools in the database through the PostgreSQL extension Pl/R. The client/server architecture allows users to remotely connect a number of software applications that can be used as a database front end, including GIS software and WebGIS. Each chapter offers a real-world data management and processing problem that is discussed in its biological context; solutions are proposed and exemplified through ad hoc SQL code, progressively exploring the potential of spatial database functions applied to the respective wildlife tracking case. Finally, wildlife tracking management issues are discussed in the increasingly widespread framework of collaborative science and data sharing. GPS animal telemetry data from a real study, freely available online, are used to demonstrate the proposed examples. This book is also suitable for undergraduate and graduate students, if accompanied by the basics of databases.
Author: Mathias Lemmens
Publisher: Springer Science & Business Media
ISBN: 9400716672
Category : Technology & Engineering
Languages : en
Pages : 361
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Book Description
Geomatics, the handling and processing of information and data about the Earth, is one geoscience discipline that has seen major changes in the last decade, as mapping and observation systems become ever more sensitive and sophisticated. This book is a unique and in-depth survey of the field, which has a central role to play in tackling a host of environmental issues faced by society. Covering all three strands of geomatics - applications, information technology and surveying - the chapters cover the history and background of the subject, the technology employed both to collect and disseminate data, and the varied applications to which geomatics can be put, including urban planning, assessment of biodiversity, disaster management and land administration. Relevant professionals, as well as students in a variety of disciplines such as geography and surveying, will find this book required reading. This rapidly developing field uses increasingly complex and accurate systems. Today, technology enables us to capture geo-data in full 3D as well as to disseminate it via the Web at the speed of light. We are able to continuously image the world from space at resolutions of up to 50 cm. Airborne LiDAR (laser surveying) sensors can be combined with digital camera technology to produce geometrically correct images of the Earth's surface, while integrating these with large-scale topographic maps and terrestrial as well as aerial images to produce 3D cityscapes that computer users can explore from their desktops.
Author: James Millner
Publisher:
ISBN:
Category : Geographic information systems
Languages : en
Pages : 56
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Book Description
"This Handbook is intended to provide a guide for standardisation of procedures in relation to effective and efficient environmental mapping using Global Positioning System (GPS) technology. The reference material also provides practical advice, technical specifications, business information and tutorial material. The Handbook is designed to assist with the selection of appropriate equipment and processing methodologies to obtain acceptable data quality for integration with other important data sets and use in Geographic Information Systems (GIS)"--Overview.
