1. 200Mm Time-Distance Pipeline Status 11/5/2007

2. 200Mm Time-Distance Lead – Tom Duvall Lead – Tom Duvall Task – From Dopplergrams generate deep-focus synoptic flow maps and sound-speed perturbation maps. Task – From Dopplergrams generate deep-focus synoptic flow maps and sound-speed perturbation maps. Input – Dopplergrams and inversion kernels Input – Dopplergrams and inversion kernels Level 2 Output Level 2 Output 200Mm Synoptic flow maps (4 images per timestep) – data saved in database, cadence is 1 d., size is some MB ea. image 200Mm Synoptic flow maps (4 images per timestep) – data saved in database, cadence is 1 d., size is some MB ea. image Travel-time maps – data saved in database, cadence is 1 d., size is some MB ea. image Travel-time maps – data saved in database, cadence is 1 d., size is some MB ea. image

3. 200Mm Time-Distance (cont’d) Code Code trackm (Rick) – tracked tiles from Dopplergrams trackm (Rick) – tracked tiles from Dopplergrams (Junwei) – phase speed or other filters (Junwei) – phase speed or other filters (Duvall) – Deep-focusing geometry cross-covariance (Duvall) – Deep-focusing geometry cross-covariance (Junwei/Duvall) – Travel-time fits; either same as 30Mm, or Gizon-Birch method (Junwei/Duvall) – Travel-time fits; either same as 30Mm, or Gizon-Birch method – Deep-focus kernel calculation ; ray kernels at present. – Deep-focus kernel calculation ; ray kernels at present. – Calculate inversions using spherical geometry; Junwei is developing this – Calculate inversions using spherical geometry; Junwei is developing this

4. 200Mm Time-Distance (cont’d) Processors – could be pretty expensive Processors – could be pretty expensive Status Status Fortran filtering exists, needs module Fortran filtering exists, needs module Cross-covariance IRAF implementation exists, needs testing, needs module Cross-covariance IRAF implementation exists, needs testing, needs module Fortran travel-time fitting code (both 30Mm version and Gizon-Birch version) needs fine tuning, needs a module Fortran travel-time fitting code (both 30Mm version and Gizon-Birch version) needs fine tuning, needs a module Deep-focus kernel-calculation algorithm does NOT exist Deep-focus kernel-calculation algorithm does NOT exist Spherical-geometry inversion algorithm does NOT exist (Junwei is working on this) Spherical-geometry inversion algorithm does NOT exist (Junwei is working on this) Plan/Issues Plan/Issues Need schedule Need schedule Need processor estimates Need processor estimates Need to figure out linking of IRAF output with DRMS libs (DRMS metalibs exist) Need to figure out linking of IRAF output with DRMS libs (DRMS metalibs exist)