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community

Overview page. Subjects: Social Sciences — Arts and Humanities.

Many sociological and anthropological definitions exist, but most tend to privilege some combination of small-scale, relative boundedness, strong affective ties, traditionalism, and...

See overview in Oxford Index

PPARC Community Meeting

Andrew LeMasurier.

in Astronomy & Geophysics

December 1998; p ublished online December 1998 .

Journal Article. Subjects: Astronomy and Astrophysics; Geophysics. 0 words.

Go to »  abstract

Community concerns aired but unresolved

in Astronomy & Geophysics

August 2017; p ublished online August 2017 .

Journal Article. Subjects: Astronomy and Astrophysics; Geophysics. 496 words.

A place in cyberspace for RAS community

in Astronomy & Geophysics

April 2015; p ublished online April 2015 .

Journal Article. Subjects: Astronomy and Astrophysics; Geophysics. 138 words.

Go to »  abstract

A community standard for recording skyglow data

C C M Kyba and D E Lolkema.

in Astronomy & Geophysics

December 2012; p ublished online December 2012 .

Journal Article. Subjects: Astronomy and Astrophysics; Geophysics. 1392 words.

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A community benchmark for 2-D Cartesian compressible convection in the Earth's mantle

Scott D. King, Changyeol Lee, Peter E. Van Keken, Wei Leng, Shijie Zhong, Eh Tan, Nicola Tosi and Masanori C. Kameyama.

in Geophysical Journal International

January 2010; p ublished online January 2010 .

Journal Article. Subjects: Geophysics. 7369 words.

Summary

Benchmark comparisons are an essential tool to verify the accuracy and validity of computational approaches to mantle convection. Six 2-D Cartesian...

RAS Awards 2015

in Astronomy & Geophysics

February 2015; p ublished online February 2015 .

Journal Article. Subjects: Astronomy and Astrophysics; Geophysics. 1306 words.

Each year the RAS recognizes outstanding achievement in astronomy and geophysics by the award of medals and prizes. Candidates are nominated by Fellows and the awards made by a committee of...

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A benchmark study for glacial isostatic adjustment codes

G. Spada, V. R. Barletta, V. Klemann, R. E. M. Riva, Z. Martinec, P. Gasperini, B. Lund, D. Wolf, L. L. A. Vermeersen and M. A. King.

in Geophysical Journal International

April 2011; p ublished online April 2011 .

Journal Article. Subjects: Geophysics. 17174 words.

Summary

The study of glacial isostatic adjustment (GIA) is gaining an increasingly important role within the geophysical community. Understanding the...

Go to »  full text: open access

A review of the adjoint-state method for computing the gradient of a functional with geophysical applications

R.-E. Plessix.

in Geophysical Journal International

November 2006; p ublished online November 2006 .

Journal Article. Subjects: Geophysics. 5726 words.

Summary

Estimating the model parameters from measured data generally consists of minimizing an error functional. A classic technique to solve a minimization...

Imaging the shallow crust with teleseismic receiver functions

Garrett M. Leahy, Rebecca L. Saltzer and Jan Schmedes.

in Geophysical Journal International

November 2012; p ublished online November 2012 .

Journal Article. Subjects: Geophysics. 5909 words.

Summary

Teleseismic receiver functions (RFs) represent an estimate of the site-response to incoming seismic energy. This technique has long been a staple of...

An explicit relationship between time-domain noise correlation and spatial autocorrelation (SPAC) results

Victor C. Tsai and Morgan P. Moschetti.

in Geophysical Journal International

July 2010; p ublished online July 2010 .

Journal Article. Subjects: Geophysics. 5676 words.

Summary

The success of recent ambient noise tomographic studies is now understood to arise due to cross-correlation properties documented in the acoustics...

Tomographic errors from wave front healing: more than just a fast bias

Alison E. Malcolm and Jeannot Trampert.

in Geophysical Journal International

April 2011; p ublished online April 2011 .

Journal Article. Subjects: Geophysics. 9858 words.

Summary

Wave front healing, in which diffractions interfere with directly travelling waves causing a reduction in recorded traveltime delays, has been...

Magnetotelluric 3-D inversion—a review of two successful workshops on forward and inversion code testing and comparison

Marion P. Miensopust, Pilar Queralt and Alan G. Jones.

in Geophysical Journal International

June 2013; p ublished online March 2013 .

Journal Article. Subjects: Geophysics. 13283 words.

Over the last half decade the need for, and importance of, three-dimensional (3-D) modelling of magnetotelluric (MT) data have increased dramatically and various 3-D forward and inversion...

Smaller source earthquakes and improved measuring techniques allow the largest earthquakes in Iceland to be stress forecast (with hindsight)

Jing Wu, Stuart Crampin, Yuan Gao, Ping Hao, Theodora Volti and Yun-Tai Chen.

in Geophysical Journal International

September 2006; p ublished online September 2006 .

Journal Article. Subjects: Geophysics. 3669 words.

Summary

A group of three earthquakes in 2000 June in SW Iceland included the two largest earthquakes in Iceland in the past 30 yr. Previously, temporal...

Numerically stable computation of complete synthetic seismograms including the static displacement in plane layered media

Thomas B. O'Toole and John H. Woodhouse.

in Geophysical Journal International

December 2011; p ublished online December 2011 .

Journal Article. Subjects: Geophysics. 7736 words.

Summary

We present a new method for calculating dynamic and static displacements arising from a buried point source in a plane layered, isotropic, elastic...

A coupled wavenumber integration approach for calculating the wavefield in large-scale laterally varying structures

Irena Lucifredi and Miaki Ishii.

in Geophysical Journal International

January 2012; p ublished online January 2012 .

Journal Article. Subjects: Geophysics. 11102 words.

Summary

This paper presents implementation techniques for the coupled wavenumber integration approach that is occasionally used in the underwater acoustics...

Quantitative accuracy analysis of the discontinuous Galerkin method for seismic wave propagation

Martin Käser, Verena Hermann and Josep de la Puente.

in Geophysical Journal International

June 2008; p ublished online June 2008 .

Journal Article. Subjects: Geophysics. 6861 words.

Summary

We present a quantitative accuracy analysis of the Discontinuous Galerkin Finite-Element method for the simulation of seismic wave propagation on...

Regression analysis of MCS intensity and ground motion parameters in Italy and its application in ShakeMap

Licia Faenza and Alberto Michelini.

in Geophysical Journal International

March 2010; p ublished online March 2010 .

Journal Article. Subjects: Geophysics. 9667 words.

Summary

In Italy, the Mercalli–Cancani–Sieberg (MCS) is the intensity scale in use to describe the level of earthquake ground shaking, and its subsequent...

Relative arrival-time upper-mantle tomography and the elusive background mean

Ian D. Bastow.

in Geophysical Journal International

August 2012; p ublished online August 2012 .

Journal Article. Subjects: Geophysics. 4315 words.

Summary

The interpretation of seismic tomographic images of upper-mantle seismic wave speed structure is often a matter of considerable debate because the...

The SGR 1806-20 magnetar signature on the Earth's magnetic field

M. Mandea and G. Balasis.

in Geophysical Journal International

November 2006; p ublished online November 2006 .

Journal Article. Subjects: Geophysics. 3297 words.

Summary

SGRs denote ‘soft γ-ray repeaters’, a small class of slowly spinning neutron stars with strong magnetic fields. On 2004 December 27, a giant flarewas...

Reflection and transmission operator for irregular interfaces derived from the indirect boundary element method

Toshiaki Yokoi.

in Geophysical Journal International

January 2002; p ublished online January 2002 .

Journal Article. Subjects: Geophysics. 7590 words.

A method is presented to turn into reality the idea of the reflection and transmission operators in the space-frequency domain for infinitely spread irregular interface in terms of the...