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JOINT CAT/SCAN-RETREAT WORKSHOP
Hotel Meranda, Camigliatello Sila, Italia
30 June – 2 July 2004
Note: Compressed Powerpoint files will be posted soon for easier downloading.
GENERAL ORGANIZATION:
The workshop begins with an introduction to the CAT/SCAN and RETREAT projects presented by lead PI’s, followed by comments from Leonard Johnson, Program Officer for Continental Dynamics at NSF. The first day is largely devoted to a topic relevant to both projects: mantle-asthenospheric flow, related to slab rollback, beneath the entire Italian Peninsula. The second day begins with a session devoted to the CAT/SCAN seismic experiment, seismotectonics of southern Italy, and a progress report on seismic and geodetic networks in southern Italy. During the remainder of the second day, participants will hear reports on final results and progress from research projects in RETREAT. On the third day, smaller breakout groups will plan future research and collaborative work between RETREAT and CAT/SCAN. The workshop closes with a plenary session: reports from the breakout groups and general discussion.
Wednesday, 30 June
MORNING SESSION
INTRODUCTORY REMARKS
0830: CAT/SCAN—introductory remarks [Steckler/Seeber]
0850: RETREAT—introductory remarks and overview of workshop [Brandon]
0920: NSF-CD [Leonard Johnson]
MANTLE-ASTHENOSPHERIC FLOW BENEATH THE ITALIAN PENINSULA
0930: Reference frames [Brandon/Willett]
1000: Kinematics and finite strain of flow in mantle wedge [Sherrington]
1030: break
1050: Dynamic topography due to mantle flow [Pysklywec]
1145: Discussion
AFTERNOON SESSION
1600: Lattice-preferred-orientation (LPO) and mantle flow [Park]
1630: Wave propagation in an anisotropic retreating mantle wedge
- The role of conceptual models
[Okaya/Levin]
- Sythetic seismograms in .computer-generated wedges
[Okaya/Levin]
1700: RETREAT seismic experiment [Park/Levin/Okaya]
1800: Deep structure in southern Italy [Piromallo]
1845: Mantle structure and anisotropy [Margheriti]
1930: end session of first day
Thursday, 1 July
MORNING SESSION
CAT/SCAN, AND THE SEISMOTECTONICS OF SOUTHERN ITALY
0830: CAT/SCAN seismic experiment [Seeber/Lerner/Steckler]
0915: Seismicity, seismotectonics, crustal structure in southern Italy [Chiarabba]
0945: The national seismic network, the new satellite network, the GPS network, and the most recent projects to collect data in southern Italy: the up-to-date framework [Amato/Chiaraluce]
-Seismicity in the CAT/SCAN network, southern Italy [Di Luccio/Persaud]
1130: CAT/SCAN Web site – moving online [Lerner]
-CAT/SCAN marine seismic experiment [Steckler]
AFTERNOON SESSION
RETREAT REPORTS
1600: Thermochronology: Final results of fission-track and helium data
- Cooling ages and exhumation in the Apuane core [Fellin]
- Cooling ages, uplift and erosion in frontal part of the Apennines wedge [Thomson]
- Evolution of topographic relief in the Apennines [Brandon/Isaacson]
1700: Geomorphology: Final results, including recent work in Spring 2004
- Overview on tectonic geomorphology [Pazzaglia]
- Soil chronostratigraphy of river terraces at the Apennines wedge front [Eppes]
-
Analysis of river profiles in the northern Apennines [Spagnolo/Pazzaglia]
- Plio-Pleistocene origin and evolution of the drainage in the northern Apennines, Italy [Coltorti]
- [Granger]
1800: Tectonics/structure: analogue modeling of northern Apennine orogenic wedge
[Del Castello]
1845: Geodetics: Status of GPS installation and acquisition of data [Bennett]
Friday, 2 July
MORNING SESSION
BREAKOUT SESSIONS WITH INDIVIDUAL GROUPS
0830-1200:
CAT/SCAN seismology planning (Data collection and exchange report, website, science planning for next year)
RETREAT Seismology planning for next year.
When completed, CAT/SCAN and RETREAT seismology groups combine for longer range discussions
Individual discipline groups
AFTERNOON SESSION
1400-1800:
PLENARY SESSION: REPORT OF BREAKOUT GROUPS AND OPEN DISCUSSION
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