Verdichtung des AGNES-Netzes im Wallis

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Alfred Schulze
vor 8 Jahren
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1 Geodäsie und Geodynamik Labor Verdichtung des AGNES-Netzes im Wallis Überwachung von Rutschgebieten mit low-cost GPS Sensoren P. Limpach, A. Kretz, A. Villiger, A. Geiger Kolloquium Swiss4D, swisstopo Bern,

2 Contents Densification of AGNES network in Canton Wallis Overview TECVAL GNSS stations (since 2005/2006) COGEAR GNSS stations (since 2011) Timeseries COGEAR stations Monitoring of landslides with low-cost GPS sensors: X-Sense project in the Mattertal 2

3 Contents Densification of AGNES network in Canton Wallis Overview TECVAL GNSS stations (since 2005/2006) COGEAR GNSS stations (since 2011) Timeseries COGEAR stations Monitoring of landslides with low-cost GPS sensors: X-Sense project in the Mattertal 3

4 GNSS Instrumentation 4

5 GNSS Instrumentation 5

6 Contents Densification of AGNES network in Canton Wallis Overview TECVAL GNSS stations (since 2005/2006) COGEAR GNSS stations (since 2011) Timeseries COGEAR stations Monitoring of landslides with low-cost GPS sensors: X-Sense project in the Mattertal 6

7 TECVAL GNSS Stations 5 GNSS stations installed in 2005/2006 Receivers: Trimble NetRS Antennas: Trimble Zephyr Geodetic Sampling: 30s 7

8 Erde (ERDE) Since 2005/10/05 Location (E/N/H) 2'588'526m / 1'120'395m / 782m Receiver / Antenna Trimble NetRS / Trimble Zephyr Geodetic Connection Analogue Sampling 30s 8

9 Varen (VARE) Since 2005/10/07 Location (E/N/H) 2'612'629m / 1'129'280m / 703m Receiver / Antenna Trimble NetRS / Trimble Zephyr Geodetic Connection Analogue Sampling 30s 9

10 Sanetsch (SANE) Since 2005/10/07 Location (E/N/H) 2'589'052m / 1'134'434m / 2'077m Receiver / Antenna Trimble NetRS / Trimble Zephyr Geodetic Connection None Sampling 30s 10

11 Crêt du Midi (CRDM) Since 2006/03/01 Location (E/N/H) 2'607'002m / 1'119'788m / 2'332m Receiver / Antenna Trimble NetRS / Trimble Zephyr Geodetic Connection None Sampling 30s 11

12 Weisshorn (WEHO) Since 2006/09/06 Location (E/N/H) 2'602'628m / 1'113'748m / 2'967m Receiver / Antenna Trimble NetRS / Trimble Zephyr Geodetic Connection Analogue Sampling 30s 12

13 Contents Densification of AGNES network in Canton Wallis Overview TECVAL GNSS stations (since 2005/2006) COGEAR GNSS stations (since 2011) Timeseries COGEAR stations Monitoring of landslides with low-cost GPS sensors: X-Sense project in the Mattertal 13

14 COGEAR GNSS Stations COGEAR = CCES project 4 GNSS stations installed in 2011 Receivers: Leica GRX1200+GNSS Antennas: Leica AR25 / Leica AR10 Sampling: 30s + 20Hz (on-site ring buffer) Sites chosen to possibly meet the requirements: Stable flat ground (solid rock) Little topographic shading Availability of power supply and Internet Co-location with seismometers Regular distribution over the regions with increased seismic risk 14

15 Hörnligrat (HOGR) Since 2011/02/02 Location (E/N/H) 2'618'013m / 1'092'201m / 3'463m Receiver / Antenna Leica GRX1200+GNSS / Leica AR10 Connection WLAN (by TIK-ETHZ) / Broadband DSL Sampling 30s + 20Hz (on-site ring buffer) 15

16 Hörnligrat (HOGR) m 3463m (HOGR) 3260m (Hörnlihütte) 16

17 Hörnligrat (HOGR) 17

18 Randa (RAND) Since 2011/05/25 Location (E/N/H) 2'625'624m / 1'107'181m / 2'415m Receiver / Antenna Leica GRX1200+GNSS / Leica AR25 Connection WLAN (by TIK-ETHZ) / Broadband DSL Sampling 30s + 20Hz (on-site ring buffer) 18

19 Randa (RAND) 19

20 Simplonpass (SIMP) Since 2011/06/24 Location (E/N/H) 2'644'803m / 1'121'067m / 1'962m Receiver / Antenna Leica GRX1200+GNSS / Leica AR25 Connection ISDN Sampling 30s + 20Hz (on-site ring buffer) 20

21 Simplonpass (SIMP) 21

22 Fiescheralp (FIES) Since 2011/06/24 Location (E/N/H) 2'651'843m / 1'142'743m / 2'361m Receiver / Antenna Leica GRX1200+GNSS & Javad G3TAJ / Leica AR25 Connection Broadband DSL Sampling 30s + 20Hz (on-site ring buffer) + 100Hz (Javad) 22

23 Fiescheralp (FIES) 23

24 Skyplots RAND HOGR 24

25 Skyplots FIES SIMP 25

26 Contents Densification of AGNES network in Canton Wallis Overview TECVAL GNSS stations (since 2005/2006) COGEAR GNSS stations (since 2011) Timeseries COGEAR stations Monitoring of landslides with low-cost GPS sensors: X-Sense project in the Mattertal 26

27 GPS Post-Processing Goal: station/data validation Bernese GPS Software Simple local network Reference: HOHT Daily static solutions 27

28 GPS Post-Processing: Baselines 28

29 Timeseries Hörnligrat (HOGR) 29

30 Timeseries Randa (RAND) 30

31 Timeseries Randa (RAND) 31

32 Timeseries Simplonpass (SIMP) 32

33 Timeseries Fiescheralp (FIES) 33

34 Timeseries Zermatt (ZERM) 34

35 Contents Densification of AGNES network in Canton Wallis Overview TECVAL GNSS stations (since 2005/2006) COGEAR GNSS stations (since 2011) Timeseries COGEAR stations Monitoring of landslides with low-cost GPS sensors: X-Sense project in the Mattertal 35

36 Monitoring of landslides with low-cost GPS sensors: X-Sense project in the Mattertal Goal: monitoring alpine mass movements at multiple scales Project partners: ETHZ / Computer Engineering & Networks Lab ETHZ / Institute of Geodesy and Photogrammetrie (IGP/GGL) UniZH / Dept. of Geography Federal Office for the Environment BAFU/FOEN Gamma Remote Sensing Funded by: Nano-Tera (Swiss federal funding program) Federal Office for the Environment BAFU/FOEN Canton Wallis 36

37 Low-cost GPS network in the Mattertal GPS reference stations GPS moving stations 37

38 Slow stations LS01 BH07 38

39 Fast stations 39

40 Fast stations 40

41 Velocity/Temperature correlation 41

42 Thank you for your attention 42

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