Systems for data processing, anaylsis and representation

Allam, Mosaad; Plunkett, Gordon

Bibliographic data

Monograph

Persistent identifier:: 1067490280

Title:: Systems for data processing, anaylsis and representation

Sub title:: ISPRS Commission II Symposium : June 6 - 10, Ottawa, Canada

Scope:: 1 Online-Ressource (XX, 530 Seiten)

Year of publication:: 1994

Place of publication:: Ottawa

Publisher of the original:: The Surveys, Mapping and Remote Sensing, Natural Resources Canada

Identifier (digital):: 1067490280

Illustration:: Illustrationen

Signature of the source:: ZS 312(30,2)

Language:: English

Additional Notes:: Erscheinungsdatum des Originals ist aus dem Copyrightjahr ermittelt.

Usage licence:: Attribution 4.0 International (CC BY 4.0)

Editor:: Allam, Mosaad; Plunkett, Gordon

Corporations:: Symposium Systems for Data Processing, Analysis and Representation, 1994, Ottawa; International Society for Photogrammetry and Remote Sensing; International Society for Photogrammetry and Remote Sensing, Commission Instrumentation for Data Reduction and Analysis; Kanada, Surveys, Mapping and Remote Sensing Sector

Adapter:: Symposium Systems for Data Processing, Analysis and Representation, 1994, Ottawa; International Society for Photogrammetry and Remote Sensing; International Society for Photogrammetry and Remote Sensing, Commission Instrumentation for Data Reduction and Analysis; Kanada, Surveys, Mapping and Remote Sensing Sector

Founder of work:: Symposium Systems for Data Processing, Analysis and Representation, 1994, Ottawa; International Society for Photogrammetry and Remote Sensing; International Society for Photogrammetry and Remote Sensing, Commission Instrumentation for Data Reduction and Analysis; Kanada, Surveys, Mapping and Remote Sensing Sector

Other corporate:: Symposium Systems for Data Processing, Analysis and Representation, 1994, Ottawa; International Society for Photogrammetry and Remote Sensing; International Society for Photogrammetry and Remote Sensing, Commission Instrumentation for Data Reduction and Analysis; Kanada, Surveys, Mapping and Remote Sensing Sector

Publisher of the digital copy:: Technische Informationsbibliothek Hannover

Place of publication of the digital copy:: Hannover

Year of publication of the original:: 2019

Document type:: Monograph

Collection:: Earth sciences

Chapter

Title:: [Wednesday, June 8, 1994]

Document type:: Monograph

Structure type:: Chapter

Chapter

Title:: [Session F-2 WG II/3 - Technologies for Large-Volumes of Spatial Data - Part B]

Document type:: Monograph

Structure type:: Chapter

Chapter

Title:: OBTAINING EARTH OBSERVATION DATA FROM U.S. AND INTERNATIONAL DATA AND INFORMATION SYSTEMS James R. Thieman [...] Lola Olsen [...]

Document type:: Monograph

Structure type:: Chapter

DE) de 'erre, de systeme "images ositaire sciences iologies DE est 5) et du > sur de plus de ité, sur er et de duits et | donne ler des stèmes ouveau roduits ter les surface nctions set de ibler et OBTAINING EARTH OBSERVATION DATA FROM U.S. AND INTERNATIONAL DATA AND INFORMATION SYSTEMS James R. Thieman NASA / Goddard Space Flight Center, National Space Science Data Center, Code 633.2, Greenbelt, MD 20771. USA. Lola Olsen NASA / Goddard Space Flight Center, Global Change Data Center, Code 902, Greenbelt, MD 20771, USA. ABSTRACT Multiple archives of remote sensing data now exist, and the number is expected to increase in the years to come. It is becoming a more challenging task to determine which archives hold the data of interest, as well as to locate the relevant in-situ or correlative data and information. This accentuates the need for high-level directories and other information systems to aid in the search. Two organizations have been active in setting up systems to help users in locating data and information. First is the U.S. Interagency Working Group on Data Management for Global Change (IWGDMGC) composed of many federal agencies having data or information useful for the study of global change problems. This organization has created a computer-accessible Global Change Data and Information System (GCDIS) which is intended to aid users interested in the causes and effects of global change. The GCDIS includes many interconnected information systems which are useful for this purpose, such as the Earth Observing System Data and Information System (EOSDIS). Secondly, international information system activities are also ongoing through the auspices of the Committee on Earth Observation Satellites (CEOS). An International Directory Network (IDN) sponsored by CEOS has provided users in many nations with quick access to data information for the last several years. The IDN, in turn, leads to other network- accessible information systems which have detailed information about à wide variety of data. Examples of data information access within GCDIS, IDN, and related systems will be given. KEY WORDS: Directory, Archives, Data location, Information systems 1. INTRODUCTION The use of computer networks to locate and access data of interest is increasing rapidly. Online services are being offered by a variety of data archives and the trend is to make as many data products as possible directly accessible over the network. Remote locations throughout the world are now being effectively connected to the networks, and other locations that have network connections are depending more on it as their bandwidth increases, allowing larger files to be transferred efficiently. Some of the latest network search technologies, such as World Wide Web, Mosaic, WAIS, etc. can be characterized as experiencing explosive growth. The amount of information available through the network is overwhelming. It is often difficult to find information on a particular topic unless one knows exactly where to go. This does not help if one is searching for information on a particular subject but have no idea what location stores that information. Within the Earth observation/remote sensing community the locations of major data archives are well known, but there are a number of observing sites, archives, and data analysis locations around the world which may offer potentially valuable data as well. Several aids are now available which may help the user locate and use needed data. This paper will discuss the Global Change Data and Information System (GCDIS), the International Directory Network (IDN), and other tools which can be used to access Earth observation data. 2. THE GLOBAL CHANGE DATA AND INFORMATION SYSTEM For many years now the U.S. federal agencies have been working togetfier to support the data needs of the community in addressing the problems associated with global environmental change. The organization created to do this is called the Interagency Working Group on Data Management for Global Change (IWGDMOGC). Most of the U.S. federal agencies which hold data relevant for the study of global change are a part of this group (Department of Agriculture, Department of Commerce, Department of Defense, Department of Energy. Department of Interior, Environmental Protection Agency, National Aeronautics and Space Administration, and the National Science Foundation. Together they have created the Global Change Data and Information System as a tool to aid the community in obtaining data and information relevant to global change. Detailed information about GCDIS can be found in the GCDIS 235

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