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	GNS Science URL: http://www.gns.cri.nz/ ODP description: Research institute in New Zealand specializing in earth systems, seismic data acquisition and processing, laboratory analysis, environmental and natural hazards risk analysis. Page description: GNS Science, Institute of Geological and Nuclear Sciences, premier earth science providers of research and consultancy, IGNS, GNS, NZGS, DSIR,
	USGS Geomagnetism Homepage URL: http://geomag.usgs.gov/ ODP description: Provides background information on the earth's magnetism, geomagnetic field maps and data, and modelling information. Page title: USGS National Geomagnetism Program \| Home Page description: National Geomagnetism Program, Real-time monitoring of the Earth's magnetic field, Data for research and practical application.
	The Exploration of the Earth's Magnetosphere URL: http://www-spof.gsfc.nasa.gov/Education/Intro.html ODP description: A detailed non-mathematical introduction to the research on the Earth's magnetic environment in space and its history. Contains master directory of many related text files. Page title: The Exploration of the Earth's Magnetosphere" Page description: Home page of a detailed non-mathematical introduction to the research on the Earth's magnetic environment in space and its history. Contains master directory of more than 70 related text files.
	The Berkeley Course in Applied Geophysics URL: http://appliedgeophysics.berkeley.edu:7057/ ODP description: Text and interactive models derived from course notes and instructional programs. Covers the physical properties of earth materials, with chapters on geophysical methods and interpretation. Page title: The Berkeley Course in Applied Geophysics
	MTNet URL: http://www.dias.ie/mtnet/ ODP description: An international electronic forum for the free exchange of knowledge, programs and data between scientists engaged in the study of the Earth using electromagnetic methods, principally magnetotellurics. Page title: Welcome to www.mtnet.info, a web resource for the magnetotelluric community Page description: Welcome to www.mtnet.info, a web resource for the magnetotelluric community
	400 Years of "De Magnete" URL: http://www.phy6.org/earthmag/demagint.htm ODP description: History of geomagnetism, and its relation to space physics and aurora. Page description: Introduction to web site on the history of geomagnetism, marking the 400th anniversary of
	Introduction to Magnetotellurics URL: http://hendrix2.uoregon.edu/~dlivelyb/LPE_talk/MT_intro.html ODP description: A geophysical technique that uses naturally-occurring (or man-made) electromagnetic fields to probe the electrical conductivity structure of the Earth. Page title: Introduction to Magnetotellurics 1
	Using and Understanding Gravity Data URL: http://paces.geo.utep.edu/grav_database/grav_db_getstart.shtml ODP description: Addresses gravity studies that involve geophysical mapping and interpretation of features in the Earth's lithosphere.
	Magnetotellurics Basics URL: http://userpage.fu-berlin.de/~mtag/MT-principles.html ODP description: Magnetotellurics (MT) is a geophysical method to study the distribution of electrical conductivity in the earth. Article includes examples of recordings and resistivity ranges of standard rock types. Page title: MT basics
	Geophysical Exploration for Engineering and Environmental Investigations URL: http://www.usace.army.mil/publications/eng-manuals/em1110-1-1802/toc.htm ODP description: Manual describing the geophysical procedures commonly conducted by the Army Corps of Engineers, used for engineering, geological and environmental investigations. Page title: EM 1110-1-1802 (31 August 1995)
	Seminar in Geophysics: Thermal and Chemical Evolution of the Earth URL: http://ocw.mit.edu/OcwWeb/Earth--Atmospheric--and-Planetary-Sciences/12-570Spring-2005/CourseHome/index.htm ODP description: Course materials are available for download from MIT, this program studies the historical development and the current status of ideas and models from the different research fields, and investigates the different views on mantle flow. Page title: MIT OpenCourseWare \| Earth, Atmospheric, and Planetary Sciences \| 12.570 Seminar in Geophysics: Thermal and Chemical Evolution of the Earth, Spring 2005 \| Home Page description: The main objective of this cross disciplinary course is to understand the historical development and the current status of ideas and models, to present and question the constraints from the different research fields, and to investigate if and how the different views on mantle flow can be reconciled with the currently available data.
	Sharp Deconvolution URL: http://web.ift.uib.no/~antonych/SDec.html ODP description: A novel approach to the comprehensive elimination of multiples, which combines both waveform inversion (SDec) and statistical estimation (MSvE). Page title: Sharp Deconvolution: elimination of multiples Page description: Inverse problems, deconvolution, regularization, seismic exploration, attenuation of multiples
	EPA Dynamic Field Activities - Geophysical Methods URL: http://www.epa.gov/superfund/programs/dfa/geometh.htm ODP description: Common geophysical methods used by the Environmental Protection Agency at hazardous waste sites include: ground penetrating radar, seismic refraction, electromagnetics, and magnetometry. Presents case studies and field-based analytical methods. Page title: EPA Dynamic Field Activities \| Geophysical Methods Page description: Dynamic field activities are hazardous waste site assessment, characterization, and remediation activities that combine on-site data generation with on-site decision making. It is an iterative field work process that is designed to reduce the number of mobilizations necessary to reach a site decision.
	ORAD Laboratory for Satellite Altimetry URL: http://ibis.grdl.noaa.gov/SAT/ ODP description: Specializes in the analysis of satellite altimeter data related to problems in physical oceanography and marine geophysics.
	Genetic algorithms in joint inversion URL: http://www.cp.dias.ie/%7emm/ga_general.html ODP description: Research discussing some of the advantages and disadvantages of using genetic algorithms for joint inversion of different geophysical datasets, particularly magnetotellurics and seismic receiver functions.
	Vladimir Pinsky URL: http://www.freewebs.com/vpinsky/ ODP description: Personal page of a senior researcher at the Seismological Division of the Geophysical Institute of Israel. Papers on seismic signals processing methods, development and application. Page description: Vladimir Pinsky developed and applied a number of statistically optimal and robust methods for detection, location, discrimination of seismic signals recorded by seismic networks and arrays, site-effect estimation and general linear dynamic systems with input and output observed with noise
	Astronomical and Geophysical Data Analysis Services URL: http://www2.kms.dk/fags/index.html ODP description: Collects observations, analyzes, distributes and publishes information and data related to astronomy, geodesy, geophysics and allied sciences.
	GSC National Geomagnetism Program URL: http://www.geolab.nrcan.gc.ca/geomag/ ODP description: Contains resources of the Geological Survey of Canada on the ever-changing magnetic field. Includes a magnetic declination calculator and compass tutorial, and a database from Canadian magnetic observatories. Page title: GSC-Geomagnetism / CGC-GÃ©omagnÃ©tisme
	Multicomponent Seismic: A Pragmatist's Primer URL: http://www.searchanddiscovery.net/documents/2005/thompson/index.htm ODP description: Article discussing the different types of multicomponent seismic data, including geophone orientation, recording methods and successful applications. Page title: GCMulticomponent Seismic: A Pragmatist's Primer, by Chris Thompson, #40155 (2005).
	USGS Office of Ground Water, Branch of Geophysics URL: http://water.usgs.gov/ogw/bgas/ ODP description: Technical support, guidance, and applied research that fosters the appropriate use of surface and borehole geophysical methods for USGS interdisciplinary earth science investigations and the development of geophysical characterization and monitoring methods. Page title: USGS - U.S. Geological Survey (USGS) Office of Ground Water, Branch of Geophysics Page description: USGS Office of Ground Water, Branch of Geophysics homepage: Providing technical support, guidance, and applied research that fosters the appropriate use of geophysical methods for USGS interdisciplinary ground-water investigations and the development of hydrogeophysical characterization and monitoring methods.