1. Activities of the Italian Geodetic Observatory in Antarctica
Angelo GALEANDRO, Alessandro CAPRA
University of Modena and Reggio Emilia, Italy
Dresden, 4 October 2016

2. Italian Geodetic Observatory in Antarctica
TNB1 antenna
TNB1 and TNB2 receivers
TNB2 antenna
Tide gauge
Monumented during the XIII Italian summer campaign ( )
Mario Zucchelli Station
74° 41′ 42″ S 164° 06′ 50.4″ E
TNB2 antenna
TNB1 and TNB2 CGS
Monumented during the XXIII Italian summer campaign ( )

3. Italian Geodetic Observatory in Antarctica
VLNDEF (Victoria Land Network for DEFormation control) is constituted by 28 points
Monumented between the XV ( ) and XVI ( ) Italian summer campaigns
Extension of about km2
Unevenly data time series
VL05 and VL18 seasonal continuous stations (continuous data between November and March)
VL01, VL12 and VL30 continuous stations (starting from January 2015) in the context of POLENET-ANET project
VL05 (Cape Phillips) GNSS station
VL18 (Starr Nunatak) GNSS station

4. Italian Geodetic Observatory in Antarctica
Global and local geodynamic
Atmospheric and ocean loading
Glacial Isostatic Adjustment
Atmospheric studies
Continuous GNSS stations measurements
Observatory activities
Mareographic and gravimetric measurements
Global and local geoid modeling

5. Italian Geodetic Observatory in Antarctica
GNSS measurements on VLNDEF
Geodynamic modeling of Victoria Land
Geodetic monitoring
Gravimetric measurements on VLNDEF
Geoid modeling at regional scale

6. Italian Geodetic Observatory in Antarctica
Absolute ITRF2008 velocities of VLNDEF sites
South-East direction (16.4 mm/yr mean horizontal velocity)
Weak uplift (0.5 mm/yr mean vertical velocity)
Residual VLNDEF 2D velocities w.r.t. VLNDEF plate model
Very small velocities except for some points of the northern sites

7. Italian Geodetic Observatory in Antarctica
Tectonic sketch map of Victoria Land
The Northern part of Victoria Land is characterized from a complex tectonics (strike-slips faults)
Gravimetric network
Significant gravimetric anomalies along transect 1 and 2

8. Italian Geodetic Observatory in Antarctica
Installation of new CGSs
Contributes to tectonical characterization of entire Victoria Land
Contributes to Geophysical modeling at regional and global level (geoid, GIA, geodynamic)
Processing of joint VLNDEF – TAMDEF (*) networks
Future plans
New gravimetric campaigns
Integrated analisys
(1) Tranantarctic Mountain DEFormation network for measurements of rock and ice motions in South Victoria Land, managed by UNAVCO

9. Italian Geodetic Observatory in Antarctica
GNSS and gravimetric measurements on VLNDEF sites
Main activities of the XXX Italian summer campaign
( )
Installation of 3 remote Continuous GNSS Station on pre-existing VLNDEF sites

10. Italian Geodetic Observatory in Antarctica
Installation of 3 new remote CGS equipped with Trimble NETRS GPS receivers and Trimble TRM antennae on pre-existing VLNDEF sites (1)
GPS data, 30 s acquisition rate, 3° elevation angle (2)
Site VL01 (Tombstone Hills)
Site VL12 (Mount Cassino)
Site VL30 (South Mount Bruce)
(1) A collaboration with UNAVCO (University NAVstar COnsortium), in the context of POLENET (POLar Earth observing NETwork) - ANET (Antarctica NETwork monitoring) project.
(2) Data are available daily and downloadable from ftp://data-out.unavco.org/pub/rinex/obs/.

11. Italian Geodetic Observatory in Antarctica
TNB1 hardware and data transfer framework upgrade
Main activities of the XXXI Italian summer campaign
( )
Tide gauge upgrade
Installation of 2 new remote Continuous GNSS Station

12. Italian Geodetic Observatory in Antarctica Ashtech Z-12 GPS receiver
TNB1 hardware upgrade
Ashtech Z-12 GPS receiver
Ashtech D antenna
Only GPS data
30 s acquisition rate
5° elevation angle
Leica GS25 GNSS receiver
Leica AT504 antenna
GPS + GLONASS data
15 s acquisition rate
3° elevation angle

13. Italian Geodetic Observatory in Antarctica Current configuration
TNB1 GNSS station
TNB2 GNSS station
VDSL modem
Intranet
"Old PAT" room
Primary PC
Backup PC
"New PAT" room
HERMES server
Mario Zucchelli Station, Antarctica
IGOA server
Italy
Internet
Users all over the world
Old configuration
Data transfer framework upgrade
TNB1 GPS station
TNB2 GNSS station
Serial modem
PC “TNB1”
PC “TNB2”
"Old PAT" room

14. Italian Geodetic Observatory in Antarctica
Installation of 2 new remote CGS equipped with Tocpon Net-G3 GNSS receivers and Topcon CR-G5 antennae (1)
GPS + GLONASS data, 15 s acquisition rate, 3° elevation angle (2)
Site INXP (Inexpressible Island)
Site LRSN (Mount Larsen)
(1) A collaboration with the Observations and Analysis of Earth and Climate Laboratory of ENEA TPSS (Territorial and Production Systems Sustainability) department, in the context of MALOX (MAss LOss in wind fluX) project.
(2) Data are not available daily and are recovered during every campaign.

15. Italian Geodetic Observatory in Antarctica
IGOA framework, collected data and further more on the new IGOA internet site (under construction)