1. SCICEX: Past and Future Dale Chayes MG&G Seminar October 13, 1999

2. MGG Seminar: Chayes, LDEO/CU2 SCICEX Goals Better understanding of the Arctic Using US Navy nuclear submarines Unclassified data

3. October 13, 1999MGG Seminar: Chayes, LDEO/CU3 SCICEX Events USS Pargo: 1993 (the blind date) MOA USS Cavalla, 1995 USS Pogy, 1996 USS Archerfish, 1997 SCICEX 2000 Workshop USS Hawkbill, 1998 (SCAMP) USS Hawkbill, 1999 (SCAMP)

4. October 13, 1999MGG Seminar: Chayes, LDEO/CU4 SCICEX Status Submarines are the only effective underway platforms in ice-covered water Broad scientific participation Substantial new data in many fields Possible extension in the future

5. October 13, 1999MGG Seminar: Chayes, LDEO/CU5 SCAMP Underway geophysical survey –Swath bathymetry & Image –Subbottom profiler –Gravity Example data: –http://www.ldeo.columbia.edu/SCICEX/S CAMP –Fall AGU: Oral and Poster sessions

6. October 13, 1999MGG Seminar: Chayes, LDEO/CU6

7. October 13, 1999MGG Seminar: Chayes, LDEO/CU7

8. October 13, 1999MGG Seminar: Chayes, LDEO/CU8

9. October 13, 1999MGG Seminar: Chayes, LDEO/CU9

10. October 13, 1999MGG Seminar: Chayes, LDEO/CU10

11. October 13, 1999MGG Seminar: Chayes, LDEO/CU11 Future: Science opportunity in fall of 2000 Possible 2002-2008 – extension of L. Mendel Rivers

12. October 13, 1999MGG Seminar: Chayes, LDEO/CU12 IF the LMR is extended? Improved instrumentation –Multibeam at multiple frequencies –Flow through water sampling –? New instrumentation –Magnetometer –ROV/AU –?

13. October 13, 1999MGG Seminar: Chayes, LDEO/CU13 More info: SCICEX: –http://www.ldeo.columbia.edu/SCICEX SCICEX 2000 workshop: –http://psc.apl.washington.edu/scicex/scicex2000.html : SCAMP –http://www.ldeo.columbia.edu/SCICEX/SCAMP