| The Exploration of the Earth's Magnetosphere |
| The Exploration of the Earth's Magnetosphere" |
| http://www-spof.gsfc.nasa.gov/Education/Intro.html |
| A detailed non-mathematical introduction to the research on the Earth's magnetic environment in spac e and its history. Contains master directory of many related text files. |
| Home page of a detailed non-mathematical introduction to the research on the Earth's magnetic enviro nment in space and its history. Contains master directory of more than 70 related text files. |
| course, overview, history, Spanish, magnetosphere, magnetic field, magnetic field lines, space, sate llites, aurora, polar aurora, northern lights, radiation belts, sun, solar wind, Oersted, electromag netic waves, ions, barium, electrons, plasma, fluorescent lamp, magnetic trapping,, magnetic mirrori ng, magnetic drift, adiabatic invariants, electron volt, synchronous orbit, Explorer 1, Geiger count er, Schwabe, Carrington, solar flares, sunspot cycle, solar corona, interplanetary magnetic field, s olar wind streams, heliosphere, termination shock, magnetopause, polar cusps, Lagrangian points, rin g current, sun-synchronous orbit, Chapman-Ferraro theory, substorms, magnetospheric tail, magnetic r econnection, Birkeland, Birkeland currents, dynamo process, frozen-in field lines, parallel electric field, auroral acceleration, plasma sheet, magnetic storms, space weather, Southward magnetic field , Geocorona, Jupiter magnetosphere, planetary magnetospheres, Io, Space tether, cosmic rays, gamma r ay bursts, magnetars, so |
| history, magnetosphere, radiation, auroral, exploration, version, aurora, magnetic, birkeland, parti cles, electromagnetic, magnetospheric, discovers, physics, experiment, electric, folding, glossary, translated, currents, introduction, magnetism, overview, trapped, magnetic, terrella, aurora, theory , plasma, induction, introduces, discovery, magnetospheres, universe, electrons, energy, energetic, september, research, sections, spacecraft, spanish, french, answer, straight, terrestre, eacute, tra nslation, education, questions, symbol |
nasa.gov - rank der domain 860 (372 in US)
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| Michael Studinger's Homepage |
| Michael Studinger's Homegape |
| http://www.ldeo.columbia.edu/~mstuding/ |
| Geophysical and glaciological research on the Antarctic continent with aerogeophysical methods. |
| |
| Michael Studinger, Geophysics, Glaciology, Geology, Antarctica, gravity, magnetics, potential field methods, Weddell Sea, Coats Land, West Antarctic Ice Sheet, ice streams, Gondwana, East Antarctic cr aton, Transantarctic Mountains, Lake Vostok, subglacial lakes, airborne geophysics, aerogeophysics |
| global, antarctic, processes, geodynamic, change, dynamics, information, research, subglacial, magne tics, penetrating, bridge, operation, aerogeophysical, gravity, season, including, extreme, environm ents, physical, tectonics, altimeter, linking, measurements, subglacial, project, coverage, outreach , basins, sedimentary, gravity, anomalies, weddell, contact, science, publications, gambit, flights, greenland, reports, transantarctic, mountains, workshop, activities, research, related, columbia, c ivilization, atmosphere, oceans, centers |
columbia.edu - rank der domain 3642 (1395 in US)
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| zum Seitenanfang ↑ |
| GSC National Geomagnetism Program |
| GSC-Geomagnetism / CGC-Géomagnétisme |
| http://www.geolab.nrcan.gc.ca/geomag/ |
| 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 observ atories. |
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| eacute, geomagnetism |
gc.ca - rank der domain 540 (3 in CA)
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| Science/Earth_Sciences/Geophysics |
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| Science/Earth_Sciences/Geophysics |
| zum Seitenanfang ↑ |
| The Great Magnet, the Earth |
| 400 Years of "De Magnete" |
| http://www.phy6.org/earthmag/demagint.htm |
| Historical review of geomagnetism, from the discovery of the compass to plate tectonics and space ob servations. Also has instructions for teachers, glossary, and FAQ. |
| |
| Geomagnetism, course, history, Spanish, German, lodestone, William Gilbert, De Magnete, compass, ter rella, dip needle, magnetic declination, magnetic inclination, secular variation, induced magnetism, Gellibrand, Halley, Halley's theory of magnetism, Coulomb, torson balance, Oersted, Ampere, Gauss, harmonic analysis, sunspots, sunspot cycle, Schwabe, magnetic pole, reversal, Faraday, dynamo, core, Blackett, poloidal, toroidal, alpha-dynamo, Cowling's theorem, fluxgate, magnetic shielding, cigare tte smoking,, Wegener, continental drift, polar wandering, sea-floor spreading, Lawrence Morley, mag netosphere, Birkeland, ring current, radiation belt, polar aurora, Jupiter magnetosphere, planetary magnetism, teaching magnetism |
| magnete |
phy6.org - rank der domain 956327 (17103 in IT)
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| USGS Geomagnetism Homepage |
| USGS National Geomagnetism Program
| Home |
| http://geomag.usgs.gov/ |
| Provides background information on the earth's magnetism, geomagnetic field maps and data, and model ling information. |
| National Geomagnetism Program, Real-time monitoring of the Earth's magnetic field, Data for research and practical application. |
| spaceweather, space-weather, geomagnetism, dynamo, paleomagnetism, palaeomagnetism, magnetic, magnet ism, geomagnetic, declination, magnetosphere, ionosphere, magnetospheric, ionospheric, geophysics, p ost-doc, postdoc, post-doctoral, postdoctoral, job |
| observatory, program, geomagnetism, workshop, xiiith, published, contact, national, magnetic, resear ch, accessibilityfoiaprivacypolicies, department, practical, notices, application, modified, webmast er, information, survey, geological, geomag, interior, geophysical, readinglinkswebsite, sfurther, g eomagfaq, creditscontact, removal, demolition, servicesmodelschartsmoviespapersabstractssoftwarecust omerspartnersintermagnetintro, summaryoperationsobservatoriesdataraw, homeprogram, search, chartraw, chartdefinitiveprogram, plotslobby, seismic, renamed, recently, geomagnetic, international, college , magnetic, proceedings, monitoring |
usgs.gov - rank der domain 2085 (832 in US)
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| Sharp Deconvolution |
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| http://web.ift.uib.no/~antonych/SDec.html |
| A novel approach to the comprehensive elimination of multiples, which combines both waveform inversi on (SDec) and statistical estimation (MSvE). |
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uib.no - rank der domain 13167 (27 in NO)
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| Vladimir Pinsky |
| Vladimir Pinsky |
| http://www.freewebs.com/vpinsky/ |
| Personal page of a senior researcher at the Seismological Division of the Geophysical Institute of I srael. Papers on seismic signals processing methods, development and application. |
| Vladimir Pinsky developed and applied a number of statistically optimal and
robust methods for dete ction, location, discrimination of seismic signals recorded by
seismic networks and arrays, site-ef fect estimation and general linear dynamic systems with
input and output observed with noise |
| seismic, array, network, statistical, Vladimir Pinsky, Pinsky, seismograms, seismic data, seismic re cordings,
robust, signal, processing, adaptive, asymptotical, non-linear, detection, location, extr action, estimation, discimination, beamforming,
azimuth, apparent velocity, earthquakes, explosion s, automatic, outliers, spectral, fft, time-domain, domain, frequency, non-linear network location, NLNL,
arrays, networks, site-effect, hazard assessment, linear dynamic systems, transfer function, autoregressive, moving average |
| normal, weight, decoration, underline, background, 000000, italic, pinsky, visited, active, fcf97c, ffffff, 961619, fcb97c, location, seismic, regional, c9494c, smalltitle, fc7c7f, tabletext, tablelin k, tabletitle, linear, systems, seismic, publications, application, gitterman, shapira, research, ar rays, beamforming, israel, automatic, observations, methods, discrimination, kushnir, discrimination , estimation, urchintracker, institute, letters, geophysical, geophys, vladimir, experience, husebye , earthquake, planet |
freewebs.com - rank der domain 3720 (1420 in US)
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| GNS Science |
| GNS Science |
| http://www.gns.cri.nz/ |
| Research institute in New Zealand specializing in earth systems, seismic data acquisition and proces sing, laboratory analysis, environmental and natural hazards risk analysis. |
| GNS Science, Institute of Geological and Nuclear Sciences, premier earth science providers of resear ch and consultancy, IGNS, GNS, NZGS, DSIR, |
| GNS Science, IGNS, GNS, NZGS, DSIR, Geological survey, NZ geological survey, Geology NZ, Geology Ne w Zealand, Geological Publications, Geological books, Geological brochures, Geological maps, Geologi cal data, Geological monographs, Geological photographs, Geological folios, igns, Geological institu te, geological, nuclear sciences, Geological services, plate tectonics, geological hazards, Geologic al resources, Geological history, Geological consultancy, Geology asia |
| border, science, isotope, normal, dropmenudiv, transform, decoration, weight, family, helvetica, sea rch, contact, content, natural, benefits, conference, gajshost, document, capitalize, namepart, disp lay, bottom, indent, pagetracker, stable, location, online, research, verdana, padding, communities, petroleum, course, gather, upgrade, accelerator, exhibition, decade, awesome, forces, making, fiord land, hydrates, releases, scientists, geological, faultless, northland, learning, google, analytics |
| (SLD : cri.nz) |
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| zum Seitenanfang ↑ |
| Science/Earth_Sciences/Geophysics |
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| Science/Earth_Sciences/Geophysics |
| zum Seitenanfang ↑ |
| Multicomponent Seismic: A Pragmatist's Primer |
| GCMulticomponent Seismic: A Pragmatist's Primer, by Chris Thompson, #40155 (2005). |
| http://www.searchanddiscovery.net/documents/2005/thompson/index.htm |
| Article discussing the different types of multicomponent seismic data, including geophone orientatio n, recording methods and successful applications. |
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| seismic, gcmulticomponent, pragmatist, primer, adapted, prepared, author, entitled, posted, column, corner, geophysical, article, thompson, discovery, search, thompson1, format, article |
searchanddiscovery.net - rank der domain 940394 (378037 in US)
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| Introduction to Magnetotellurics |
| Introduction to Magnetotellurics 1 |
| http://hendrix2.uoregon.edu/~dlivelyb/LPE_talk/MT_intro.html |
| A geophysical technique that uses naturally-occurring (or man-made) electromagnetic fields to probe the electrical conductivity structure of the Earth. |
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| conductivity, models, functions, response, fields, inversion, frequency, electrical, acquisition, ve ctor, emslab, magnetotellurics, dimensional, magnetic, observations, currents, sought, process, mini mization, method, function, errors, observations, priori, intended, lithosphere, pacific, project, e xample, example, utility, magnetotellurics, northwest, modern, inversion, result, accomplish, intere sting, involves, taking, derivative, solving, rieven, solution, problem, setting, gradient, iterativ e, fashion, conjugate, linear |
uoregon.edu - rank der domain 13627 (5161 in US)
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| Magnetotellurics Basics |
| MT basics |
| http://userpage.fu-berlin.de/~mtag/MT-principles.html |
| Magnetotellurics (MT) is a geophysical method to study the distribution of electrical conductivity i n the earth. Article includes examples of recordings and resistivity ranges of standard rock types. |
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| currents, period, electrical, electromagnetic, ionosphere, magnetic, conductive, radiation, conducti vity, variations, atmosferics, subsurface, effect, caused, periods, underground, between, penetrate, winding, resistivity, mantle, depths, electrically, propagation, lightnings, magnetosphere, depende nt, atmospheric, layers, waveguide, observed, spectrum, distribution, electric, fields, signals, sur face, component, characteristic, frequency, dispersion, results, attentuation, different, occurrence , formed, standing, schumann, resonances, frequencies, signal |
fu-berlin.de - rank der domain 9619 (467 in DE)
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| Magnetotellurics MT: Technique, Interpretation, and Application |
| Magnetotellurics
(MT): Technique, Interpretation, and Application, Karen
Rae Christopherson, Search and Discovery Article #40025, 2001 |
| http://www.searchanddiscovery.net/documents/geophysical/christopherson/index.htm |
| A detailed article explaining the practical application of magnetotellurics. Includes case studies t o present processing and interpretation techniques. |
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| discovery, search, christopherson, article, magnetotellurics, technique, application, interpretation , presentation, online, adapted, entitled, author, articles, images, format, evergreen, geoconsultin g, chinook, chinookgeo |
searchanddiscovery.net - rank der domain 940394 (378037 in US)
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| Gravity Magnetic Glossary |
| IGC Glossary |
| http://www.igcworld.com/gm_glos.html |
| An introduction to the technical terminology used in potential fields, gravity and magenetics studie s. |
| |
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| gravity, magnetic, density, method, bouguer, anomaly, source, observed, measured, anomalies, suscept ibility, geologic, densities, gravity, contrasts, basement, contrast, between, profile, potential, e xploration, signal, gradient, density, relative, equation, usually, change, sedimentary, derived, fi elds, corrections, bodies, vertical, within, frequency, distance, analytic, domain, layers, calculat ed, function, elevation, intensity, residual, derivative, surface, values, vector, wavelength, anoma lous |
| (SLD : igcworld.com) |
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| ORAD Laboratory for Satellite Altimetry |
| ORAD Laboratory for Satellite Altimetry |
| http://ibis.grdl.noaa.gov/SAT/ |
| Specializes in the analysis of satellite altimeter data related to problems in physical oceanography and marine geophysics. |
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| family, altimeter, altimeter, verdana, altimetry, satellite, 00009c, satellite, document, geophysics , 000000, oceanography, determining, observations, problems, geosat, collected, information, script, topography, anomalies, available, research, present, processed, poseidon, within, global, gravity, center, laboratory, background, pacific, bathymetry, continuously, operating, determination, contrib utes, fields, provide, visited, complement, during, gridded, height, deviations, european, follow, l aunched, collection, agency |
noaa.gov - rank der domain 1300 (566 in US)
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| Airborne Geophysical Survey Workshop |
| Workshop for Airborne Geophysical Surveys |
| http://www.geoexplo.com/ |
| A collection of papers covering the practical aspects of performing airborne magnetic, radiometric, and electromagnetic surveys. |
| Geophysical Consulting in Airborne Potential Field, airborne magnetic surveys, Magnetic and Gravity, Quality Control (QC), Radiometric (gamma-ray) spectrometry, Electro-magnetic (EM), Interpretation, Project Managment |
| airborne magnetic surveys, airborne geophysics, airborne magnetic survey, airborne electro-magnetic surveys, EM Surveys, airborne radiometric survey, gamma-ray spectrometry survey, quality control, Q C, Frequency Domain Filtering FFT, magnetic, gravity, magnetics,geophysical consulting, potential fi eld, non seismic methods, mining, petroleum, magnetic interpretation, potential field interpretation , airborne surveys |
| magnetic, airborne, surveys, magnetic, surveys, abstract, airborne, survey, magmas, return, geophysi cal, topics, urquhart, interpretation, electro, survey, interpretation, method, location, directorie s, compilation, status, radiometric, menubar, domain, height, toolbar, exploration, frequency, metho ds, quality, resizable, window, control, function, copyhistory, scrollbars, underline, lithosphere, presented, general, principles, filtering, geophysical, decoration, include, systems, processes, min eralization, specifications, magnetics |
| (SLD : geoexplo.com) |
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| zum Seitenanfang ↑ |
| MTNet |
| |
| http://www.dias.ie/mtnet/ |
| An international electronic forum for the free exchange of knowledge, programs and data between scie ntists engaged in the study of the Earth using electromagnetic methods, principally magnetotellurics . |
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dias.ie - rank der domain 992797 (1805 in IE)
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| Application of Geophysical Methods to Highway Related Problems |
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| http://www.cflhd.gov/agm/index.htm |
| Provides highway engineers with a basic knowledge of geophysics and nondestructive test (NDT) method s for solving specific engineering problems during geotechnical site investigation, construction, an d maintenance of highways. |
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| (SLD : cflhd.gov) |
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| EPA Dynamic Field Activities - Geophysical Methods |
| EPA Dynamic Field Activities | Geophysical Methods |
| http://www.epa.gov/superfund/programs/dfa/geometh.htm |
| Common geophysical methods used by the Environmental Protection Agency at hazardous waste sites incl ude: ground penetrating radar, seismic refraction, electromagnetics, and magnetometry. Presents case studies and field-based analytical methods. |
| Dynamic field activities are hazardous waste site assessment, characterization, and remediation acti vities that combine on-site data generation with on-site decision making. It is an iterative field w ork process that is designed to reduce the number of mobilizations necessary to reach a site decisio n. |
| dynamic field activities, dynamic, guidance, field-based, analytical, systematic planning, workplans , direct push, geophysical, DSS, decision support software |
| activities, dynamic, content, epafiles, geophysical, methods, import |
epa.gov - rank der domain 6563 (2519 in US)
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| USGS Office of Ground Water, Branch of Geophysics |
| |
| http://water.usgs.gov/ogw/bgas/ |
| Technical support, guidance, and applied research that fosters the appropriate use of surface and bo rehole geophysical methods for USGS interdisciplinary earth science investigations and the developme nt of geophysical characterization and monitoring methods. |
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usgs.gov - rank der domain 2085 (832 in US)
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| zum Seitenanfang ↑ |
| Seminar in Geophysics: Thermal and Chemical Evolution of the Earth |
| |
| http://ocw.mit.edu/OcwWeb/Earth--Atmospheric--and-Planetary-Sciences/12-570Spring-2005/CourseHome/index.htm |
| Course materials are available for download from MIT, this program studies the historical developmen t and the current status of ideas and models from the different research fields, and investigates th e different views on mantle flow. |
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mit.edu - rank der domain 1198 (509 in US)
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| Genetic Algorithms in Joint Inversion |
| Genetic algorithms in joint inversion |
| http://www.cp.dias.ie/%7emm/ga_general.html |
| Research discussing some of the advantages and disadvantages of using genetic algorithms for joint i nversion of different geophysical datasets, particularly magnetotellurics and seismic receiver funct ions. |
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| genetic algorithm, joint inversion, receiver function, magnetotellurics |
| inversion, objective, function, members, optimization, population, problem, parameters, member, algo rithm, functions, receiver, information, algorithms, probability, chosen, genetic, different, models , problems, example, method, representation, number, minimization, iteration, seismic, usually, perf ormed, individual, exchange, velocity, parameter, pareto, called, explains, obtain, resistivity, str uctures, similar, sensitive, values, calculated, transformed, optimizing, regularized, weighting, in verted, structure, optimality, shaped |
dias.ie - rank der domain 992797 (1805 in IE)
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| Geophysical Exploration for Engineering and Environmental Investigations |
| EM 1110-1-1802 (31 August 1995) |
| http://140.194.76.129/publications/eng-manuals/em1110-1-1802/toc.htm |
| Manual describing the geophysical procedures commonly conducted by the Army Corps of Engineers, used for engineering, geological and environmental investigations. |
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| chapter, geophysical, methods, engineering, acrobat, document, reader, software, appendix, investiga tions, publication, august, contents, introduction, entire, methodology, appendices, inclusive, elem ents, contains, seismic, transmittal, letter, electrical, sensing, remote, vibration, glossary, refe rences, airborne, electromagnetic, gravity, techniques, subsurface, magnetic, procedures, required, exploration, environmental, proponent, design, portable, format, approved, statement, restriction, d istribution, public, release, unlimited, distribution |
| (SLD : 76.129) |
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| zum Seitenanfang ↑ |
| The Upper Mantle of the Earth |
| Earth's Upper Mantle. |
| http://www.virtualuppermantle.info |
| Information about the highly viscous layer between the Earth's crust and the lower mantle, including its internal structure, its material composition and associated natural phenomena. |
| Information about the upper mantle of the Earth: Internal structure studies, Material composition, N atural Phenomena. |
| The Earth, Earth’s upper mantle, upper mantle, Earth's crust, crust, lower mantle, Earth’s mantle, c ore, Earth’s core, seismic velocity, Moho, lithosphere, layer, thickness, rheology, low velocity zon e, transition zone, surface of the Earth, internal structure, material composition, natural phenomen a |
| mantle, geophysical, kilometers, mantle, phenomena, provinces, exploration, tectonics, information, plates, geochemical, lithosphere, velocity, seismic, surface, methods, material, composition, presen t, volcanism, pointer, google, internal, structure, natural, attach, occurring, processes, policy, e xample, geothermy, privacy, geomagnetism, mobilism, global, therefore, analytics, movement, geologic al, transition, complexity, geodynamic, observed, seismology, isostasy, exploration, 4444236, earthq uakes, gravimetry, dredging, internal |
| (SLD : virtualuppermantle.info) |
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| zum Seitenanfang ↑ |
| Origin of the Terrestrial Magnetic Field |
| ORIGIN OF TERRESTRIAL MAGNETIC FIELD |
| http://www.andrijar.com/geo/ |
| Article by Andrija Radovic on how the Earth's geomagnetic field arises. |
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| article, amount, terrestrial, origin, magnetic, therefore, velocities, negatively, volumes, charged, creates, button, following, download, format, magnetic, particular, inequality, positively, terrest rial, gradient, objective, entire, geomagnetic, abstract, family, helvetica, arises, although, almos t, thermal, rotating, thermoelectric, charges, caused |
| (SLD : andrijar.com) |
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| zum Seitenanfang ↑ |
| Astronomical and Geophysical Data Analysis Services |
| Astronomical and Geophysical Data Analysis Services |
| http://www.icsu-fags.org/ |
| Collects observations, analyzes, distributes and publishes information and data related to astronomy , geodesy, geophysics and allied sciences. |
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| document, service, international, council, services, secretary, update, elapsd, analysis, lupdate, m embers, representatives, astronomical, organisations, following, geodesy, centre, details, informati on, gettime, permanent, composed, elapsed, minutes, center, function, prelapsd, ismail, morning, geo physical, current, office, directing, advisory, administered, restricted, boards, period, environmen t, glacier, monitoring, indices, geomagnetic, activity, bulletin, quarterly, donnees, directors, inc luding, stress, strasbourg |
| (SLD : icsu-fags.org) |
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| Geophysics Forum |
| Environmental Geophysics, Engineering Geophysics, Exploration Geophysics, and Solid Earth Geophysics • Geophysics Forum |
| http://forum.detectation.com |
| Online forum for geophysics issues related to environment, engineering, archaeology, hydrology, fore nsic and other near surface geophysical applications. |
| Explore the myth underground, underwater and behind walls... |
| environmental geophysics,engineering geophysics,near surface geophysics |
| geophysics, geophysics, topics, gajshost, detectation, register, topics, document, pagetracker, expl oration, environmental, cookies, copyright, members, statistics, newest, member, liyanqing586, delet e, 9904579, protocol, location, analytics, unescape, google, automatically, javascript, compowered, reserved, rights, trackpageview, 3cscript, script, gettracker, general, reader, change, currently, s urface, engineering, active, unanswered, underground, underwater, explore, engineering, behind, sear ch, subscribe, advanced, content |
detectation.com - rank der domain 908486 (369821 in US)
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