1. Geodesy - Wikipedia, The Free Encyclopedia geodesy (pronounced /d i d si/ 1), also called geodetics, a branch of earth sciences, is the scientific discipline that deals with the measurement and http://en.wikipedia.org/wiki/Geodesy

Geodesy From Wikipedia, the free encyclopedia Jump to: navigation search An old geodetic pillar (1855) at Ostend Belgium A Munich archive with lithography plates of maps of Bavaria Geodesy pronounced /dʒiːˈɒd si/ ), also called geodetics , a branch of earth sciences , is the scientific discipline that deals with the measurement and representation of the Earth , including its gravity field, in a three-dimensional time varying space. Besides the Earth's gravity field, geodesists study also geodynamical phenomena such as crustal motion, tides , and polar motion . For this they design global and national Control networks , using Space and terrestrial techniques while relying on datums and coordinate systems Contents Definition History Geoid and reference ellipsoid Coordinate systems in space ... edit Definition Geodesy (from Greek lit. division of the Earth) is primarily concerned with positioning within the temporally varying gravity field. Somewhat obsolete nowadays, geodesy in the German speaking world is divided into "Higher Geodesy" ("Erdmessung" or "h¶here Geod¤sie"), which is concerned with measuring the Earth on the global scale, and "Practical Geodesy" or "Engineering Geodesy" ("Ingenieurgeod¤sie"), which is concerned with measuring specific parts or regions of the Earth, and which includes surveying The shape of the Earth is to a large extent the result of its rotation, which causes its equatorial bulge, and the competition of geological processes such as the collision of plates and of

2. NOAA National Ocean Service Education: Geodesy geodesy is the science of measuring and monitoring the size and shape of the Earth and the location of points on its surface. NOAA s National Geodetic http://oceanservice.noaa.gov/education/kits/geodesy/welcome.html

NOS home NOS education home site index Welcome to Geodesy Members of a 1922 geodetic survey expedition. Click on the image for larger view. Geodesy is the science of measuring and monitoring the size and shape of the Earth and the location of points on its surface. NOAA's National Geodetic Survey (NGS) is responsible for the development and maintenance of a national geodetic data system that is used for navigation, communication systems, and mapping and charting. In this subject, you will find three sections devoted to learning about geodesy: an online tutorial, an educational roadmap to resources, and formal lesson plans. The Geodesy Tutorial is an overview of the history, essential elements, and modern methods of geodesy. The tutorial is content rich and easy to understand. It is made up of 10 chapters or pages (plus a reference page) that can be read in sequence by clicking on the arrows at the top or bottom of each chapter page. The tutorial includes many illustrations and interactive graphics to visually enhance the text. The Roadmap to Resources complements the information in the tutorial. The roadmap directs you to specific geodetic data offered by NOS and NOAA.

3. Geodesy For The Layman The publication attempts to develop an appreciation of the scope of geodesy and to generate some understanding of the problems encountered in the science. http://www.ngs.noaa.gov/PUBS_LIB/Geodesy4Layman/toc.htm

GEODESY FOR THE LAYMAN TABLE OF CONTENTS FRONT MATTER PREFACE INTRODUCTION CHAPTERS: I History of Geodesy II Figure of the Earth III Geodetic Surveying Techniques IV Geodetic Systems ... APPENDIX, Spherical Harmonics

4. U.S. DoC / NOAA / NOS / National Geodetic Survey Provides information and products related to the definition and management of the National Spatial Reference System (NSRS) the framework for latitude, http://geodesy.noaa.gov/

Search for Site Map What We Do Products State Advisors ... Contracting Opportunities Division pages Geoid Geosciences Research (GRD) Remote Sensing FGCS/GIAC ... GPRA/County Scorecard Off Site Geodetic Resources Contact Us suggestion box aeronautical data CORS ... OPUS GPS data datasheets Find a Survey Mark geodetic tool kit download software ... Upcoming Events Check these out... 12/20/2007 - NGS announces the release of the GRAV-D project plan The GRAV-D project is an ambitious proposal to collect the necessary gravity data over the United States which supports the re-definition of the vertical datum by 2017, as described in the NGS 10 year plan. Click here for details. 11/15/2007 - Data sheet modifications for the NAD 83 (NSRS2007) coordinates The following modifications to the data sheets have been implemented ... more Webpage for Corbin Training Center Launched NGS has established a training center in Corbin, VA. The mission of the Corbin Training Center is to provide high quality training to improve the geodetic positioning capacity of partners internal as well as external to NOAA, and to increase the knowledge and skills of NGS employees. The NGS 10 year plan released in draft form During the last year, NGS has spent considerable effort refining its mission, vision and strategy for the future. The result of this effort is the NGS 10 year plan. Because any plans for the future will affect the NGS stakeholders and the general public, NGS released this plan in draft form for a public comment period from February 12 until March 31, 2007. At this time, the public comment period has closed. ...

5. Geodesy Page By James Q. Jacobs Definitions relating to geodesy, explanations of coordinate systems, and geodesy formulas. Reference ellipsoid defined with derived geometrical constants, http://www.jqjacobs.net/astro/geodesy.html

GEODESY PAGE by James Q. Jacobs DEFINITIONS COORDINATE SYSTEMS FIGURE OF THE EARTH NEW: Ancient Monuments Placemarks Mounds, Pyramids, Stone Circles, more. Moundbuilders Photo Gallery DEFINITIONS: Geodesy is the discipline that deals with the measurement and representation of the earth, its gravity field and geodynamic phenomena (polar motion, earth tides, and crustal motion) in three-dimensional time varying space. Geodesy is primarily concerned with positioning and the gravity field and geometrical aspects of their temporal variations. Geoid is essentially the real shape of the earth, without accounting for the topographic features. It is an idealized equilibrium surface. The geoid, unlike the ellipsoid, is too complicated to serve as the computational surface on which to solve geometrical problems like point position. Coordinate System. A reference system for defining points in space or on planes and surfaces with relation to designated axis, planes or surfaces. In surveying and mapping three general types are used: (1.) Plano-polar, in which points in a plane are defined by distance from a specified point along a ray having a specified direction with respect to a base line;

6. Welcome To Geodesy At Ohio State University Research in geodesy at The Ohio State University s Department of Civil and Environmental Engineering and Geodetic Science include applications of Global http://geodesy.eng.ohio-state.edu/

Home of Geodesy Side Body

7. GEODESY 91-1 Call Mapping at Palo Alto, geodesy is helping the City of Palo Alto (CA) It has been developed by Seismic System Engineering Consultants, geodesy, http://geodesy.net/

8. The International Union Of Geodesy And Geophysics (IUGG) | Union Geodesique Et G Dedicated to advancing, promoting, and communicating knowledge of the Earth system, its space environment, and the dynamical processes causing change. http://www.iugg.org/

IACS IAG IAGA IAHS ... RELATED ORGANIZATIONS Welcome to International Union of Geodesy and Geophysics! Mission and Structure The International Union of Geodesy and Geophysics (IUGG) is the international organization dedicated to advancing, promoting, and communicating knowledge of the Earth system, its space environment, and the dynamical processes causing change. Through its constituent Associations, Commissions, and services, IUGG convenes international assemblies and workshops, undertakes research, assembles observations, gains insights, coordinates activities, liaises with other scientific bodies, plays an advocacy role, contributes to education, and works to expand capabilities and participation worldwide. Data, information, and knowledge gained are made openly available for the benefit of society – to provide the information necessary for the discovery and responsible use of natural resources, sustainable management of the environment, reducing the impact of natural hazards, and to satisfy our curiosity about the Earth’s natural environment and the consequences of human activities. IUGG Associations and Union Commissions encourage scientific investigation of Earth science and especially interdisciplinary aspects. Each Association establishes working groups and commissions that can be accessed by using the links below or at the top of this page.

9. Satellite Geodesy At The Scripps Institution Of Oceanography, University Of Cali The Satellite geodesy research group at Scripps Institution of Oceanography, University of California San Diego studies data collected by radar altimetry http://topex.ucsd.edu/

The current time in San Diego, CA is: 15:04:44 PST, 01/24/08 Kilauea Dike Injection Event on June 20, 2007 seen in ALOS Interferometry - August 26, 2007 Latest Bathymetry and Gravity V3.0 - December 18, 2007 V9 Global Topography NOW at 1 minute resolution - August 21, 2007 Laser Altimetry of San Andreas Fault Zone in kmz format - February 1, 2007 V16 Gravity Anomaly - April 1, 2006 VIDEO Exploring Earth Tectonics From Mars - February 7, 2006 Bathymetry from Space Download either a high resolution or low resolution PDF from the October 24-26, 2002 Ocean, Geophysics and Climate Workshop. The 2007 UCSD Cancer Center Event. HOME BACKGROUND PEOPLE GLOBAL TOPOGRAPHY ... CONTACT Last modified : 15:37:26 PST, 12/18/07

10. Geodesy Laboratory And PANGA Data Analysis Facility Central Washington University s Pacific Northwest Geodetic Array web page. http://www.geodesy.cwu.edu/

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11. Geoscience Australia: - Geodesy & GPS Homepage geodesy is a dynamic application of scientific methods in support of many professional, economic and scientific activities and functions, ranging from land http://www.ga.gov.au/geodesy/

Home About Us Contact Us Media ... Advanced Search You are here: Home Earth Monitoring Earth Monitoring AUSPOS - Online GPS Processing ... Geodetic Related Links Some of the documents on this webpage may be in PDF Format. Please download the Free PDF reader from Adobe to view these files. Updated: 04 May 2007 GPS Antenna - Antarctica Geodesy is the study of: The size and shape of the earth; The measurement of the position and motion of points on the earth's surface; and The configuration and area of large portions of the earth's surface. Geodesy is a dynamic application of scientific methods in support of many professional, economic and scientific activities and functions, ranging from land titling to mineral exploration; from navigation, mapping and surveying to the use of remote sensing data for resource management; from the construction of dams and drains, to the interpretation of seismic disturbances. back to top Use these products online: GPS data from the Australian Regional GPS Network (ARGN) Geodetic on-line calculations (distance, coordinates, etc) Astronomical on-line calculations Our Service Standard ... back to top For more information contact: geodesy@ga.gov.au

12. University Of Miami Geodesy Lab The University of Miami s geodesy Laboratory uses spacebased geodetic data (GPS, DORIS, and InSAR) to investigate changes in the Earth s land and water http://www.geodesy.miami.edu/

13. Planetary Geodynamics Laboratory - Space Geodesy Planetary Geodynamics Laboratory Space geodesy web site. http://denali.gsfc.nasa.gov/697/

@import url("css/style.css"); Skip Navigation (press 2) + Visit NASA.gov Planetary Geodynamics Laboratory Home Who we are Two Columns Space Geodesy The Space Geodesy Group within the Planetary Geodynamics Laboratory , located at NASA's Goddard Space Flight Center (GSFC) , conducts broad scientific research in global solid Earth dynamics, in fields that are related to space geodesy or rely on space geodesy for source observations. The group carries a time-honored heritage in generating the state-of-the-art gravity fields for the Earth, which is continuing into the new era of the International Decade of Geopotential Research. The same is true with respect to gravity fields of terrestrial planets and satellites in our Solar System. These efforts are based on the ever-improving precision in tracking of satellites and spacecraft, and in the capability of modeling and computation for precise orbit determination (POD) using the workhorse software GEODYN. The latter effort is also an integral part of current and future space missions that rely on POD, including ocean radar altimetry, land/ice laser altimetry and lidars, and new time-variable gravity measurement missions. New research in time-variable gravity and geocenter motion, joining the continuing studies of Earth rotation and crustal loading and deformation, constitute the "global geophysical fluids" research efforts whose main goal is to understand the Earth's atmosphere-hydrosphere-solid Earth-core system, and the dynamic interactions thereof. These efforts are based on space geodetic observations, a major component of which is

14. AGU - Geodesy Section - Home Welcome to the home page of the geodesy Section of the American Geophysical Union. Nominations for the 2007 geodesy Section Award are due August 31st. http://geodesy.agu.org/

Alaska's Augustine volcano (source: Alaska Volcano Observatory) Welcome to the home page of the Geodesy Section of the American Geophysical Union. HOME About the section Meetings Journals Become a member ... Home Announcements: Nominations for the 2007 Geodesy Section Award are due August 31st. Congratulations to : Steven Nerem (University of Colorado) who is the 2006 winner of the Geodesy Section Award Ellen Mallman (Stanford University), Hugo Schotman (SRON Netherlands Institute for Space Research), Ronni Grapenthin (University of Iceland) and Pierre Tinard (Universite Blaise Pascal) who are the winners of the Outstanding Student Paper Awards from the Fall Meeting 2006 ! the new AGU fellow Veronique M.A. Dehant (Royal Observatory of Belgium, Brussels). Upcoming meetings :

15. International Association Of Geodesy Member information, meeting announcements, publications and reports, awards, and links to related sites. http://www.gfy.ku.dk/~iag/

International Association of Geodesy, Central Bureau. July 14, 2007 renamed IAG Office and moved to DGFI, Muenchen. Secretary General, Hon.-Prof. Dr.-Ing. Hermann Drewes Director DGFI, Deutsches Geodaetisches Forschungsinstitut Alfons-Goppel-Str. 11, D-80539 Muenchen E-mail: drewes@dgfi.badw.de Tel.: +4989 23031 1106, Fax: ..23031 1240 Page under construction. NEW web-site www.iag-aig.org IAG General Awards Publications ... Bibliographic serv. International Association of Geodesy, Central Bureau, c/o Niels Bohr Institute Juliane Maries Vej 30, DK-2100 Copenhagen Oe, Denmark. Phone: +45 35320600 , Fax: +45 35365357 E-mail: iag@gfy.ku.dk The International Association of Geodesy (IAG) is one of seven associations within the International Union of Geodesy and Geophysics (IUGG) (e-mail: Joann.C.Joselyn@noaa.gov NEW web-site www.iag-aig.org General IAG Structure and Links elected before and functioning after the XXIII General Assembly, 2003 until XXIV Assembly 2007. Addresses of officers, fellows and (a part of) individual members of IAG. WILL NOT BE UPDATED after 2004-06-07 List of Fellows as of 2007-05-01.

16. Links: Geodesy And Other Geosciences geodesy Mapping and photogrammetry Links geodesy and other geosciences. See also Earth rotation and IERS Geosciences in general geodesy http://www.iers.org/links/geo/

IERS HOME ORGANIZATION DATA / PRODUCTS PUBLICATIONS ... LINKS LINKS Earth rotation and IERS Geodesy and other geosciences Geosciences in general Geodesy ... Legal and Privacy Contact us Search the web site: LINKS Geodesy and other geosciences Links: Geodesy and other geosciences See also: Earth rotation and IERS Geosciences in general Geodesy General information ... Services Techniques Global Positioning System (GPS) Satellite Laser Ranging (SLR) Very Long Baseline Interferometry (VLBI) Doris Special topics Projects Data formats Mailing Lists ... Home IERS Central Bureau at Last modified: 21.08.2006

17. Space Geodesy Home Page Welcome to the homepage for the Space geodesy Group of the Radio and Geoastronomy Division located at the HarvardSmithsonian Center for Astrophysics (CfA) http://cfa-www.harvard.edu/space_geodesy/

Welcome to the Space Geodesy Home Page Welcome to the homepage for the Space Geodesy Group of the Radio and Geoastronomy Division located at the Harvard-Smithsonian Center for Astrophysics CfA ) in Cambridge, Massachusetts. The Space Geodesy Group engages in studies involving the application of Very Long Baseline Interferometry (VLBI) and the Global Positioning System (GPS) to geodesy and geophysics. Geodesy is the science of measurement of the size, shape, rotation, and gravitational field of the Earth. The Space Geodesy Group specializes in acquiring, analyzing, and interpreting space-based geodetic measurements. A variety of processes can influence geodetic measurements over a range of spatial and temporal scales, including: tides of the solid Earth and the oceans; weather and climate, and atmospheric structure and dynamics; hydrology and continental water storage; mass fluctuations and motions of glaciers and ice complexes; ocean and atmospheric circulation; changes in sea level; crustal motion associated with plate tectonics, earthquakes, and volcanos;

18. Geodesy -- Britannica Online Encyclopedia Britannica online encyclopedia article on geodesy scientific discipline concerned with the precise figure of the Earth and its determination and http://www.britannica.com/eb/article-9036451/geodesy

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19. Geodesy - Definition From The Merriam-Webster Online Dictionary Definition of geodesy from the MerriamWebster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. http://www.m-w.com/dictionary/geodesy

Home Visit Our Sites Unabridged Dictionary Learner's Dictionary ... Contact Us Also Visit: Unabridged Encyclopedia Britannica Visual ESL: Learner's for Kids: Spell It! Word Central Dictionary Thesaurus Spanish/English Medical Search "geodesy" in: Thesaurus Spanish/English Medical Dictionary Open Dictionary Browse words next to: geodesy Browse the Dictionary: A B C D ... Z geodesy One entry found. geodesy Main Entry: Pronunciation: Function: noun Etymology: Greek from ge- + daiesthai tide Date:  a branch of applied mathematics concerned with the determination of the size and shape of the earth and the exact positions of points on its surface and with the description of variations of its gravity field noun Learn more about "geodesy" and related topics at Britannica.com See a map of "geodesy" in the Visual Thesaurus Pronunciation Symbols Products Premium Services ... Advertising Info

20. Geodesy - Wikibooks, Collection Of Open-content Textbooks What is geodesy? Webster defines geodesy as that branch of applied mathematics which determines by observation and measurement the exact positions of http://en.wikibooks.org/wiki/Geodesy

Geodesy From Wikibooks, the open-content textbooks collection Jump to: navigation search This text is taken from chapter 1 of the public domain resource Geodesy for the Layman please turn into a Wikibook Please edit this module to improve it. See this module's talk page for discussion. What is geodesy ? Webster defines geodesy as "that branch of applied mathematics which determines by observation and measurement the exact positions of points and the figures and areas of large portions of the earth's surface, the shape and size of the earth, and the variations of terrestrial gravity." It is a specialized application of several familiar facets of basic mathematical and physical concepts. In practice, geodesy uses the principles of mathematics astronomy and physics , and applies them within the capabilities of modern engineering and technology. In the past, military geodesy was largely involved with the practical aspect of the determination of exact positions of points on the earth's surface for mapping or artillery control purposes. The determination of the precise size and shape of the earth had a purely scientific role. Modern requirements are for answers to problems in satellite tracking , global navigation and defensive missile operations.

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