NEW_Accomplishments.indd - IRIS

More documents

Recommendations

Info

$Refraction - IRIS$

ACCOMPLISHMENTS 2006 IRIS 5-YEAR PROPOSAL Observations of Shear Wave Birefringence in Subduction Zones: A Guide to Mantle Flow? ................................................. 134 Deep Plumes in the Earth’s Mantle ............................. 135 Plume Heat Flux Estimates ............................................. 136 Detection of Upper Mantle Flow Associated with the African Superplume ................................................................................ 137 Structural Features and Velocity Structures of the “African Anomaly” ........................................................................................... 138 Seismic Evidence for Hotspot-Induced Buoyant Flow Beneath the Reykjanes Ridge .............................................................. 139 Imaging Seismic Velocity Structure Beneath the Iceland Hotspot – A Finite-Frequency Approach ................................... 140 Crustal and Uppermost Mantle Structure Beneath Iceland from Local Earthquake Tomography ...................................... 141 The Origin of Hotspot Volcanism in the Pacific Northwest ................................................................................................................ 142 Shear Wave Splitting in the Great Basin Solves the Elevation Problem: It Was a Simple Plume-like Upwelling All Along ............................................................................................................................ 143 Collaborative Research: Geodynamics of the Yellowstone Hotspot Constrained by Seismic and GPS Imaging ............ 144 GLOBAL MANTLE STRUCTURE A Three-Dimensional Radially-Anisotropic Model of Shear Velocity in the Whole Mantle ..................................................... 145 Global Anisotropy and the Thickness of Continents ............................................................................................................................ 146 Imaging the Anisotropic Shear-wave Velocity Structure of the Earth’s Mantle .......................................................................... 147 Global Analysis of Upper Mantle Anisotropy Using Automated SKS Splitting Measurements ............................................. 148 Investigating Attenuation and Velocity Structure from Surface-Wave Amplitudes .................................................................. 149 Global Tomographic Model of Q in the Upper Mantle Obtained Using Long-period Waveform Data .............................. 150 Compressional-Wave Studies on the Frequency Dependence of and Lateral Variations in Mantle Attenuation .......... 151 Using IRIS Digital Data to Determine the Radial Attenuation Structure of the Lower Mantle .............................................. 152 Whole-Mantle 3D Seismic Attenuation: Evidence for Global Mass Flux ........................................................................................ 153 New Measurements of Radial Mode Eigenfrequencies ....................................................................................................................... 154 The Global Short-Period Wavefield Modeled with a Monte Carlo Seismic Phonon Method ................................................. 155 Discovery of Strong Upper Mantle Reflectors From Back-Scattering of Near-Podal PKPPKP Waves Using Data Acquired From IRIS ................................................... 156 SH Velocity and Compositional Models Near the 660-km Discontinuity Beneath South America ...................................... 157 Seismic Evidence for Accumulated Oceanic Crust Above the 660-km Discontinuity Beneath Southern Africa ............ 158 Seismic Investigation of Upper and Lower Mantle Boundary Layering ........................................................................................ 159 Study of Earth’s Layered Structure on a Global Scale Using Broadband Seismic Datasets ..................................................... 160 Probing the Earth’s Interior by Stacking Stacked Short-Period Seismic Array Data .................................................................. 161 CORE-MANTLE BOUNDARY Finite-Frequency Tomography of D” Shear Velocity Heterogeneity Beneath the Caribbean ................................................ 162 A Seismological Determination of the Temperature Gradient in D” Beneath the Western Pacific ...................................... 163 Sharp Lateral Boundaries in the D” Region .............. 164 D” Shear Velocity Heterogeneity, Anistropy, and Discontinuity Structure Beneath the Caribbean ..................................... 165 Using Array Methods to Investigate Possible Causes for PKP Deviations ..................................................................................... 166 Lateral Variation of the D” Discontinuity Beneath the Pacific ............................................................................................................ 167 Lateral Variation of the D” Discontinuity Beneath the COCOS Plate ............................................................................................... 168 Migration of the Lowermost Mantle Structure Under the COCOS .................................................................................................. 169 Lateral Variation of P- and S-Wave Velocity Discontinuities in the Lower Mantle Beneath the Cocos Plate .................... 170 Observation of P-Wave Velocity Discontinuities in D’’ Beneath Southeast Asia Using Migration Techniques ................ 171 A Step in the D” Discontinuity Imaged by Kirchoff Migration Through 3D Tomographic Models ....................................... 172 Lowermost Mantle Anisotropy Beneath the Central Pacific .............................................................................................................. 173 D” Anistropy From Lamellae and Transverse Isotropy .......................................................................................................................... 174 Azimuthal Anistropy in the D” Layer Beneath the Caribbean Sea ................................................................................................... 175 Isotropy or Weak Vertical Transverse Isotropy in D” Under the Atlantic ......................................................................................... 176 A Strong Lateral Shear Velocity Gradient and Anisotropy Heterogeneity in the Lowermost Mantle Beneath the Southern Pacific ................................................. 177 Detection of an Ultralow Velocity Zone at the CMB Using Diffracted PKKPab Waves .............................................................. 178 Examining the Base of the Mantle Using IRIS FLED PASSCAL Data ................................................................................................. 179 iv
2006 IRIS 5-YEAR PROPOSAL ACCOMPLISHMENTS INNER CORE An Observation of PKJKP: Inferences on Inner Core Shear Properties ........................................................................................... 180 Constraints on Density and Shear Velocity Contrasts at the Inner Core Boundary ................................................................... 181 Waveform Search for the Innermost Inner core ..... 182 Near-Podal Observations of PKPPKP Waves and Implications for Central Inner Core Structure .......................................... 183 Non-linear Waveform and Delay Time Analysis of Triplicated Core Phases: A New Method to Extract Differential Travel Times From Interfering Data .................... 184 Velocity and Attenuation in the Earth’s Inner Core ............................................................................................................................... 185 Anisotropy of the Inner Core ........................................ 186 Slowness Anomalies of PKP Phases Recorded in Alaska: Implications for Inner Core Anisotropy ....................................... 187 Transition From Isotropic Upper Inner Core to Anisotropic Lower Inner Core: The Importance of Anisotropic Ray Tracing .......................................... 188 Inner Core Anisotropy From PKP Travel Times at Near Antipodal Distances ............................................................................... 189 Hemisphericity and Regional Seismic Anisotropy in the Top 80 km of the Earth’s Inner Core ............................................. 190 Uppermost Inner Core Attenuation From PKP Data Observed at Some South American Seismological Stations ........ 191 Hemispherical Transition of Seismic Attenuation at the Top of the Earth’s Inner Core ............................................................ 192 Differential Inner Core Superrotation From Earthquakes in Alaska Recorded at South Pole Station ................................. 193 Support for Inner Core Super-Rotation from High-Quality Waveform Doublets ....................................................................... 194 The Earth’s Free Oscillations and the Differential Rotation of the Inner Core .............................................................................. 195 EDUCATION AND OUTREACH The U.S. Educational Seismology Network ............... 196 IRIS and Geological Society of America .................... 197 Global Seismicity Monitor as an Interactive Museum Display .......................................................................................................... 198 IRIS/USGS Seismology Displays at the American Museum of Natural History, New York ........................................................ 199 Experiences with the IRIS E&O Lecture ...................... 200 A Real-Time Interactive Educational Seismology Exhibit ................................................................................................................... 201 A Suite of Educational Computer Programs for Seismology ............................................................................................................. 202 Educational Seismograph Teaching Modules ........ 203 The Global Earthquake Explorer: A Versatile Tool for Science Education ...................................................................................... 204 The Use of IRIS Instrumentation in Undergraduate Education ......................................................................................................... 205 Seismic Reflection Processing Workshop ................. 206 IRIS and PASSCAL INTERN ............................................... 207 Seismology Education Programs at the University of Portland ........................................................................................................ 208 Influence of IRIS on the Construction of a College-Level Seismology Course ............................................................................. 209 Collaborative Teacher Workshops at the Visualization Center at Scripps Institution of Oceanography (San Diego) ... 210 Project SLAM: A Flexible Field Seismology and Earthquake Studies Teaching Module ........................................................... 211 The Boston College Educational Seismology Project: Inviting Students Into the World of Science Research ................ 212 Seismographs in Schools ................................................ 213 Earth and Space Science Professional Development Project ............................................................................................................ 214 The IRIS Education Program in Support of the National Earth Science Teachers Association ............................................... 215 Impact of a School Seismograph on a Rural Illinois Middle School: Bringing Real Time Recordings Into the Classroom ................................................... 216 Seismographs in Schools: Shaking Things Up in the 5th Grade ....................................................................................................... 217 v
Page 1 and 2: Cornerstone Facilities for Seismolo
Page 3 and 4: Cornerstone Facilities for Seismolo
Page 5 and 6: 2006 IRIS 5-YEAR PROPOSAL ACCOMPLIS
Page 7: 2006 IRIS 5-YEAR PROPOSAL ACCOMPLIS
Page 12 and 13: SCIENCE SUMMARIES 2006 IRIS 5-YEAR
Page 25 and 26: 2006 IRIS 5-YEAR PROPOSAL EARTHQUAK
Page 45 and 46: 2006 IRIS 5-YEAR PROPOSAL MONITORIN
Page 59 and 60:
2006 IRIS 5-YEAR PROPOSAL MONITORIN
Page 61 and 62:
Page 63 and 64:
Page 65 and 66:
2006 IRIS 5-YEAR PROPOSAL SIGNALS A
Page 67 and 68:
Page 69 and 70:
Page 71 and 72:
Page 73 and 74:
Page 75 and 76:
Page 77 and 78:
2006 IRIS 5-YEAR PROPOSAL SURFACE O
Page 79 and 80:
Page 81 and 82:
Page 83 and 84:
Page 85 and 86:
Page 87 and 88:
Page 89 and 90:
Page 91 and 92:
Page 93 and 94:
Cedar Mtn State Line Estes Park 200
Page 95 and 96:
Page 97 and 98:
Page 99 and 100:
Page 101 and 102:
Page 103 and 104:
Page 105 and 106:
Page 107 and 108:
Page 109 and 110:
Page 111 and 112:
Page 113 and 114:
Page 115 and 116:
Page 117 and 118:
Page 119 and 120:
Page 121 and 122:
Page 123 and 124:
Page 125 and 126:
Page 127 and 128:
Page 129 and 130:
Page 131 and 132:
Page 133 and 134:
2006 IRIS 5-YEAR PROPOSAL UPWELLING
Page 135 and 136:
Page 137 and 138:
Page 139 and 140:
Page 141 and 142:
Page 143 and 144:
Page 145 and 146:
Page 147 and 148:
Page 149 and 150:
Page 151 and 152:
Page 153 and 154:
Page 155 and 156:
2006 IRIS 5-YEAR PROPOSAL GLOBAL MA
Page 157 and 158:
Page 159 and 160:
Page 161 and 162:
Page 163 and 164:
Page 165 and 166:
Page 167 and 168:
Page 169 and 170:
Page 171 and 172:
Page 173 and 174:
2006 IRIS 5-YEAR PROPOSAL CORE-MANT
Page 175 and 176:
Page 177 and 178:
Page 179 and 180:
Page 181 and 182:
Page 183 and 184:
Page 185 and 186:
Page 187 and 188:
Page 189 and 190:
Page 191 and 192:
2006 IRIS 5-YEAR PROPOSAL INNER COR
Page 193 and 194:
Page 195 and 196:
Page 197 and 198:
Page 199 and 200:
Page 201 and 202:
Page 203 and 204:
Page 205 and 206:
Page 207 and 208:
2006 IRIS 5-YEAR PROPOSAL EDUCATION
Page 209 and 210:
Page 211 and 212:
Page 213 and 214:
Page 215 and 216:
Page 217 and 218:
Page 219 and 220:
Page 221 and 222:
Page 223 and 224:
Page 225 and 226:
Page 227:
show all

NEW_Accomplishments.indd - IRIS

Create successful ePaper yourself

Delete template?

Save as template?