Earth-Oriented Space Research at TU-Delft The contribution of DEOS - PowerPoint PPT Presentation

Earth-Oriented Space Research at TU-Delft The contribution of DEOS to the “South-East Asia: Mastering Environmental Research with Geodetic Space Techniques” (SEAMERGES) project Kick-off meeting, Chulalongkorn University, Bangkok, Thailand Prof. I r. Boudewijn A.C. Ambrosius March 3, 2004 1 Faculty of Aerospace Engineering Vermelding onderdeel organisatie Department of Earth Observation and Space Systems (DEOS)

WHAT IS DEOS? OLD DEOS: Delft Institute for Earth-Oriented Space Research NEW DEOS: Department of Earth Observation and Space Systems What is the difference? March 3, 2004 SEAMERGES Kick-off meeting 2 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

OLD POSITION OF DEOS WITHIN TU-DELFT (until 31-12-2003) Faculties Departments Sections …….. Aerospace Eng. Dynam. & Sim. . … ……………….……...…. …. DEOS T U - D e l f t Astrodyn. & Sat. Syst. + Phys. & Math. Space Geod. + …. Math. Geod. & Point Pos. . … . … CiTG Geodesy ……... March 3, 2004 SEAMERGES Kick-off meeting 3 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

NEW POSITION OF DEOS WITHIN TU-DELFT (from 1-1-2004) Faculties Departments Sections …….. Aerospace Eng. Design & ???? ……………….……...…. Astrodynamics & Sat. Syst. …. . T U - D e l f t … Systems Itegration of Spacecr . DEOS Phys. & Math. Space Geod . …. Photogram. & Remote Sensing . … Math. Geod. & Point Pos. CiTG Geodesy ……... March 3, 2004 SEAMERGES Kick-off meeting 4 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

DEOS Mission: “……develop and exploit (space-)geodetic observation techniques to enhance our knowledge of the kinematic and physical properties of the Earth, comprising its motion, interior, crust, oceans, cryosphere and atmosphere…….” March 3, 2004 SEAMERGES Kick-off meeting 5 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

Main Research Topics: • Precise satellite orbits • Geo-kinematics • Gravity fields • Geophysical signals • Instrumentation & operations March 3, 2004 SEAMERGES Kick-off meeting 6 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

Relevant Satellite Missions (instruments): • Lageos-I, Lageos-II, Starlette, Westpac (SLR) • Topex/Poseidon (RA, SLR, DORIS, GPS) • ERS-1 and ERS-2 (RA, SLR, PRARE, SAR) • Global Positioning System (GPS) • GOCE (SGG, GPS), GRACE (SST, GPS, ACC), CHAMP (SLR, GPS, ACC) • Jason, GFO (RA, DORIS, GPS) • ENVISAT (RA, SLR, DORIS, SAR) • CRYOSAT (RA, DORIS?, GPS?) • …. March 3, 2004 SEAMERGES Kick-off meeting 7 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

Ongoing GPS projects: • South-East Asia • Carpathians (Romania) • Azores-Gibraltar region (Portugal) • Umbria-Marche earthquake (Italy) • Eurasia-Africa plate boundary (Southern Italy) • Atmospheric water vapor detection • Permanent GPS stations in Netherlands (2+4), Russia, Singapore, Angola, Azores (2), Romania (6) and Indonesia (3) March 3, 2004 SEAMERGES Kick-off meeting 8 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

The Global Positioning System space segment (nominal constellation) March 3, 2004 SEAMERGES Kick-off meeting 9 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

Earthquakes (M > 5) since 1973 in South-East Asia March 3, 2004 SEAMERGES Kick-off meeting 10 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

GPS observations of tectonic motions in South-East Asia March 3, 2004 SEAMERGES Kick-off meeting 11 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

Tectonic setting of the triple plate junction near Sulawesi March 3, 2004 SEAMERGES Kick-off meeting 12 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

Migration of earthquakes along the Minahassa trench and Palu fault March 3, 2004 SEAMERGES Kick-off meeting 13 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

Relative motion across the Palu-Koro fault (Sulawesi) from GPS obs. March 3, 2004 SEAMERGES Kick-off meeting 14 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

Rotation and strain in South-East Asia derived from GPS observations March 3, 2004 SEAMERGES Kick-off meeting 15 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

GPS field work in Indonesia in cooperation with local staff March 3, 2004 SEAMERGES Kick-off meeting 16 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

Setting up a GPS field station in Sulawesi March 3, 2004 SEAMERGES Kick-off meeting 17 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

Leica GPS receivers for field work (ISES funding) March 3, 2004 SEAMERGES Kick-off meeting 18 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

Equipment for permanent GPS station in Sulawesi (ISES funding) March 3, 2004 SEAMERGES Kick-off meeting 19 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

Time-series of GPS position solutions of KOSG permanent station March 3, 2004 SEAMERGES Kick-off meeting 20 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

Damage to railroad due to Izmit earthquake (Turkey, August 17, 1999) March 3, 2004 SEAMERGES Kick-off meeting 21 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

Principle of satellite SAR Interferometry March 3, 2004 SEAMERGES Kick-off meeting 22 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

Interferogram of two ERS-2 SAR images of Izmit earthquake March 3, 2004 SEAMERGES Kick-off meeting 23 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

Campi Flegrei, Italy; interferometric phase image (Mar 97-Mar 99) March 3, 2004 SEAMERGES Kick-off meeting 24 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

The Gravity and Ocean Circulation Explorer (GOCE) mission Geoid Gravity Anomalies March 3, 2004 SEAMERGES Kick-off meeting 25 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

GOCE Satellite Gravity Gradiometer (SGG) equipment (ONERA) Integrated Proof Mass View Exploded View Electrodes March 3, 2004 SEAMERGES Kick-off meeting 26 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

Principle of satellite Radar Altimetry (RA) for sea surface height obs. March 3, 2004 SEAMERGES Kick-off meeting 27 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

The Topex/Poseidon Radar Altimeter (RA) satellite mission March 3, 2004 SEAMERGES Kick-off meeting 28 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

Evolution of El Nino/La Nina determined from RA observations March 3, 2004 SEAMERGES Kick-off meeting 29 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

Changes in thickness of the Antarctic ice sheet from ERS-2 RA data March 3, 2004 SEAMERGES Kick-off meeting 30 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)

Measuring atmospheric water vapor with GPS March 3, 2004 SEAMERGES Kick-off meeting 31 Faculty of Aerospace Engineering Department of Earth Observation and Space Systems (DEOS)