'Gravity anomaly' diaporamas de présentation

3D gravity inversion incorporating prior information through an adaptive learning procedure

613 views • 53 slides

Environmental and Exploration Geophysics I

Environmental and Exploration Geophysics I. Gravity Methods (VI) the terrain correction and the residual. tom.h.wilson tom.wilson@mail.wvu.edu. Department of Geology and Geography West Virginia University Morgantown, WV. The terrain correction -.

408 views • 40 slides

Environmental and Exploration Geophysics II

Environmental and Exploration Geophysics II. Gravity Methods (VI). tom.h.wilson tom.wilson@mail.wvu.edu. Department of Geology and Geography West Virginia University Morgantown, WV. Greer 2008 GEM2 Survey. X. z. r. Sphere with radius R and density ?.

374 views • 37 slides

Geomath

442 views • 34 slides

Summary of Geophysical Results From the NSF Funded Biocomplexity Project:

Summary of Geophysical Results From the NSF Funded Biocomplexity Project: Chris Hawkins , MS Thesis: Imaging the Shallow Subsurface Using Ground Penetrating Radar at the Nyack Floodplain, Western Montana.

388 views • 31 slides

Summary of Geophysical Results From the NSF Funded Biocomplexity Project:

Summary of Geophysical Results From the NSF Funded Biocomplexity Project: Chris Hawkins , MS Thesis: Imaging the Shallow Subsurface Using Ground Penetrating Radar at the Nyack Floodplain, Western Montana.

399 views • 31 slides

Statistics and Probability in Geosciences:

448 views • 30 slides

483 views • 29 slides

291 views • 29 slides

Effect of High Resolution Altimetric Gravity Anomalies on the North America Geoid Computations

Effect of High Resolution Altimetric Gravity Anomalies on the North America Geoid Computations. Yan M. Wang and D. Roman National Geodetic Survey NOAA Montreal, Canada, May 17-21, 2004. Recent geoid computations at NGS.

343 views • 22 slides

Gravity 3

Gravity 3. Gravity Corrections/Anomalies. Gravity survey flow chart: 1. Measurements of the gravity (absolute or relative) ? 2. Calculation of the theoretical gravity (reference formula) ? 3. Gravity corrections 4. Gravity anomalies 5. Interpretation of the results. Theoretical Gravity.

1.01k views • 21 slides

Gravity V: Practical issues

304 views • 20 slides

504 views • 19 slides

Gravity I: Gravity anomalies. Earth gravitational field. Isostasy. Moment density dipole.

568 views • 19 slides

Gravity Summary

Gravity Summary. A general solution for the laplace problem can be written in spherical harmonics: V=(GM/r) ? n=0 ? ? m=0 n (R/r) n (C nm cos m? + S nm sin m?) P nm (sin ?) ? latitude, ? longitude, R Earth Radius, r distance from CM

274 views • 19 slides

Free air gravity anomalies derived from radar altimetric determinations of geoid height

Free air gravity anomalies derived from radar altimetric determinations of geoid height. milligals. Bathymetry determined from satellite radar derived gravity plus shipboard measurements. Free Air gravity anomaly. Now consider an elastic plate which bends under the load.

361 views • 18 slides

Gravity Summary

Gravity Summary. In first approximation we can chose for the shape of the Earth an ellipsoid of rotation defined essentially by the degree n=2 m=0 of the potential field plus the centrifugal potential. This is known as ellipsoid of reference.

417 views • 17 slides

150 views • 15 slides

Gravity IV: Dipole moment of density anomaly: the ambiguity

Gravity IV: Dipole moment of density anomaly: the ambiguity. We want to know: But actually, gravity anomaly alone cannot provide this information. The ambiguity of a buried sphere :. Note the trade off between a and ??. Dipole moment of density anomaly: the ambiguity.

316 views • 13 slides

Drought and Texas Water Resources

Drought and Texas Water Resources. David R. Maidment Center for Research in Water Resources University of Texas at Austin. A presentation made to the Committee on International Trade & Intergovernmental Affairs Texas House of Representatives Austin, Texas 22 April 2013.

248 views • 6 slides