Geodetic and Geophysical Observatories and Global Change Monitoring

Geodetic and Geophysical Observatories

and

Global Change Monitoring

• Crustal deformation – Kinematics

• Earth Interior• Earthquakes• Seismicity

• Glaciers monitoring (Dome C, Lake Vostok ?)

IGS network

GPS trackers

Ashtech Z-12 -Ashtech Z-12 -RadomRadom Choke RingChoke Ring

Absolute Gravity

SCAR GPS Epoch

R. Dietrich, A. Rülke, J. Ihde, K. Lindner, H. Miller, W. Niemeier, H.-W. Schenke, G. Seeber:"Plate kinematics and deformation status of the Antarctic Peninsula based on GPS"Ice Sheets and Neotectonics, guest eds. T.J. James, T.H. Jacka, A. Morelli, R. Dietrich, special issue of Global and Planetary Change, vol. 42, July 2004

Elevation Data:GTOPO30 (1km x 1km

VLNDEFPerspective

view

Geodetic Control Database

• GPS network for physical atmosphere parameters determination (precipitable water, Pressure, T,..)

• GPS for Meteo and Weather forecast

• Atmospheric prospection ( radiosoundings, riometers,…)

• GOIA (Geodetic Observatories In Antarctica) – IPY proposal

Connected to POLENET already accepted

01/12/2002 15/12/2002 29/12/2002 12/01/2003 26/01/20030.000

0.002

0.004

0.006

0.008

0.010

0.012

Radio Sonde IPWV Terra Nova Bay

Precipitable water (m)

Time