International workshop on coast and land applications of satellite altimetry

Introduction

During the VI Hotine-Marussi Symposium (May 29- June 2, 2006), Wuhan, many scientists from Asia working on superconducting gravimetry (SG) met to discuss a rotating workshop in Asia to promote SG research. The Taiwan SG team, which newly installed two SG meters, proposed to host the first workshop in Taiwan. The promotion of SG research includes, among others, exchange of gravity data, software, research personnel and inter-comparison of absolute gravimeters. The workshop is open not only to scientists in Asia, but also to scientists in the world.

Scientific Committee

Members:

D. Crossley, GGP chair, USA

B. Ducarme, ICET director, Brussels

C Hwang, Professor, NCTU, Taiwan

CW Lee, ITRI, Taiwan

JW Kim, Professor, Sejong University, Korea

H Sun, IGG director, China

T. Sato, Professor, NAO, Japan

Local organizing committee

	Chair: C Hwang, Department of Civil Engineering, National Chiao Tung University, Taiwan
	Co-chair: CW Lee, Center for Measurement Standards-National Measurement Laboratory, ITRI, Taiwan
	Members: G.F. Huang, C.-C Cheng, R. Kao, S. Shiomi, M. Peng, H.C. Yu

Workshop Venue: Hsinchu, Taiwan

This workshop will be held in Tunnel A of the Hsinchu SG Station, Taiwan, from March 12 to 14, 2007. A post-workshop excursion to sites of geodynamic interest in Taiwan will be arranged.

Sponsor (update 02/07/07)

	National Science Council, Taiwan
	Department of Civil Engineering, National Chiao Tung University
	Ministry of the Interior, Taiwan

Theme of workshop

Communication and cooperation of SG research groups in Asia

High-precision environmental corrections for gravimetry data

Shallow-water tides on gravity measurements

Fusion of superconducting, absolute, satellite gravimetry and satellite altimetry data for monitoring environmental changes

New applications of gravimetry in earth sciences, e.g., typhoon, Kuroshio Current, sea level of South China Sea

Installation of new SG sites in Asia

Scientific Program (update 03/31/07)

	*March* 12 Monday 09:00-09:30 Opening Session 1 Chair: D Crossley, T Sato 　 09:30-10:30 Lecture 1 (Two decades of high precision gravimetry, GGP, and prospects for the future) , pdf David Crossley 10:30-10:50 Coffee break 10:50-11:15 Influence of sea level changes on gravity observed by a superconducting gravimeter at Syowa Station, Antarctica Koichiro Doi, Kazuo Shibuya, Yuichi Aoyama, Hiroshi Ikeda, Yoichi Fukuda 11:15-11:35 Applications of superconducting gravimeters to tests of fundamental physics ,pdf1, pdf2 Sachie Shiomi 11:35-12:00 Introduction to a new Japanese SG site 'Kamioka' -an experiment toward the new development of the SG observation by cooperative observation with the strain meter and seismogram T. Sato, Y. Tamura, Y. Fukuda, T. Higashi, W. Mori, A. Araya, H. Ikeda, Y. Imanishi, T. Uchiyama, S. Takemoto 12:00-14:00 Lunch break Session 2 Chair: C Hwang, JW Kim 14:00-15:00 Lecture 2 (Study of the gravity responses and the structure of the earth from the SG observations) Tadahiro Sato 15:00-15:20 Coffee break 15:20-15:45 Earthquake-induced gravitational energy change in Taiwan region: from collision to Subduction Chung-Liang Lo, Shu-Kun Hsu and Benjamin F. Chao 15:45-16:10 Localization and estimation of jumps and other perturbations in the tidal records , pdf Bernard Ducarme, Angel Venediko 16:10-16:35 The gravity signature of earthquakes , pdf Hinderer Jacques, Caroline de Linage, Luis Rivera, Jean-Paul Boy, Sophie Lambotte and Richard Biancale 16:35-17:00 Detection of M4 ocean tide loading inside the GGP network , pdf Ducarme Bernard, Zhou Jiangcun, Sun Heping 17:00-17:25 Study of the Gravity Signals in Geodynamic Problems He-Ping SUN 17:25-17:45 The installation of seismic instruments in SBCB, Hsinchu, Taiwan site and introduction of broadband array observations in Taiwan Chun-Chi Liu, Wen-Tzong Liang, Wen-Gee Huang and Bor-Shouh Huang *March* 13 Tuesday Session 3 Chair: B. Ducarme Y. Fukuda 09:00-10:00 Lecture 3 (GGP network calibration: internal consistency and comparison with other tidal gravity networks) Bernard Ducarme 10:00-10:20 Coffee break 10:20-10:45 Towards physical modeling of local-scale hydrological contribution of soils for precise gravimetric corrections in Strasbourg , pdf Laurent Longuevergne, Gilbert Fehrat, Patrice Ulrich, Nicolas Florsch, Jacques Hinderer 10:45-11:10 Calibration of the Scale Factor of the Superconducting Gravimeter at Esashi Station, and the Importance of the Scale Factor Accuracy Yoshiaki Tamura, Tadahiro Sato, Toshihiro Higashi, and Yoichi Fukuda 11:10-11:35 Installation of Superconducting Gravimeter TT-70 (#016) at the Kamioka site Hiroshi Ikeda, Yoichi Fukuda, Yoshiaki Tamura and Tadahiro Sato 11:35-12:00 Absolute Gravity of the Taiwanese Orogen: the AGTO project , pdf Frédéric Masson, Cheinway Hwang, Chiung Wu Lee, Jacques Hinderer, Nicolas Le Moigne, Ching-C Cheng 12:00-14:00 Lunch break Session 4 Chair: BF Chao, CW Lee 14:00-15:00 Lecture 4 (On the inversion for mass re-distribution from global time-variable gravity field) Ben Chao 15:00-15:20 Coffee break 15:20-15:45 Analysis of Superconducting Gravimeter Measurement at MunGyung Observatory, Korea ,pdf Jeong Woo Kim, Juergen Neumeyer, Tae Hee Kim, Ik Woo, Hyuck-Jin Park, Jeong-Soo Jeon 15:45-16:05 Statistical data fusion of various gravity datasets in the perspective of Markov random field C. C. Cheng, C. Hwang 16:05-16:25 Establishing the Gravity Network of LOGG Wen-Chi Hsieh and Chiung-Wu Lee 16:25-16:45 Analysis of SG T048 observations at Hsinchu: signal and noise , pdf R. Kao, C. C. Cheng, C. W. Lee, C. Hwang 16:45-17:10 High precision gravity network at BIPM , pdf Z. Jiang, L. Vitushkin 17:10-17:35 Measurement standards in absolute gravimetry and comparisons of absolute gravimeters at the BIPM , pdf Leonid Vitushkin 17:35-17:55 Ocean tidal loading effects along the southeast China and Taiwan coasts: models and observations , pdf Cheinway Hwang, Jiu-Fu Huang, and Sen Jan *March* 14 Wednesday Session 5 Chair: HP Sun, H Wilmes 09:00-09:25 Is the calibration of a superconducting gravimeter stable in time? , pdf Martine Amalvict, Jacques Hinderer 09:25-09:50 Investigations of Gravity Variations and Instrumental Properties by Combing Superconducting and Absolute Gravity Measurements H. Wilmes, H. Wziontek, R. Falk and P. Wolf 09:50-10:15 Comparisons of geocentric height changes derived from absolute gravimetry and GPS at continuous tracking stations in Taiwan Ming Yang, Yun-Fu Chen, Feng-Yo Chu, Cheinway Hwang, Tze-Chiang Cheng 10:15-10:35 Coffee break 10:35-11:00 A ten-year gravity time series at the station Medicina (Italy) and the combination with space techniques H. Wilmes, S. Zerbini, B. Richter 11:00-11:25 A strategy for detecting temporal gravity variation using AG, SG and Space gravimetry , pdf Yoichi Fukuda, Toshihiro Higashi, Keiko Yamamoto and Shuzo Takemoto 11:25-11:50 The Establishment of the Absolute Gravity datum in Great Wall Station, West Antarctica Dongchen E, Zhitang He, Zemin Wang, Shengkai Zhang 11:50-12:10 Calibration of the SG048 by observation with the absolute gravimeter Miao-Hsiang Peng, Chiung-Wu Lee, Jiu-Fu Hwang, Cheinway Hwang 12:10-14:00 Lunch break 14:00-15:00 Panel discussion 15:00-15:30 Coffee break 15:30-16:30 Panel discussion

Abstract submissionn

Please submit your abstract to Dr. Sachie Shiomi at sshiomi@gmail.com. The deadline is December 31, 2006. Please see this sample abstract for the abstract format.

Registration

	Please fill out this registration form and email to ricky.kao@gmail.com or fax to +886-3-5734967

Accommodations

	Please fill out this accommodation form and email to ricky.kao@gmail.com or fax to +886-3-5734967

Shuttle bus service (update 03/08/07)

	We will offer 3 free shuttle bus rides on March 11 to transport, participants from airport to SOL hotel, Hsinchu. The shuttle will be departure at terminal 1 and terminal 2 at 13:00, 15:00, and 18:00 respectively. If you plan to take adbantage of this service, please contact our staffs waiting in the terminal hall. (They will carry the sign labeled the title of workshop.)

How to get to Hsinchu (update 02/13/07)

From CKS international airport to Hsinchu Unfortunately, there is no direct public transportation connecting the airport and Hsinchu right now. You may make use of the airport taxi service (about 45 minutes of driving); the fare is around 1600 NT dollars (charged by the taximeter), which is about 45~50 U.S. dollars. Most airport taxi drivers have the basic command of English, but a print out of your hotel information can be a good idea to indicate your destination.

Public transportation (update 02/13/07)

Unlike the frustrating availability between the airport and HsinChu, there are convenient bus services connecting airport and the capital city, Taipei. On the other hand, the bus route from Taipei to Hsinchu is quite convenient too. If taxi does not sound like a great choice for you, you may think about stop at Taipei first then connect your travel to Hsinchu through Taipei.

From airport to Taipei

The stop of King Bus outside the terminal of airport

You can find the bus stop at the corner of the terminal following the direction (link terminal 1, link terminal 2). The King Bus is one of the services who operate the route from the airport to Taipei. The service is operated at 15 to 20 minutes and it would take 40 to 60 minutes to get to Taipei -depending on the highway traffic condition. The tickets are sold at the booth aside the stop. The fare is 125 NT dollars (about 3 US dollars) one way trip to Taipei. The driver will check your ticket when you aboard and return you the ticket stub. Be sure to keep the stub and return back to the driver when you get off at your destination. The last stop of this route would be the Taipei main station where you can get access to the main bus station, train station and the city subway station. You may take either bus or train to Hsinchu from there .

Taipei main bus station; the red brown roof of Taipei train station can be seen in the background (left). The tickets to Hsinchu are sold at the booth (right).

From Taipei to Hsinchu

The colonial style architecture of Hsinchu train station

The bus (KingBus) to Hsinchu would launch at the main bus station every 20 minutes (figure). The fare is 130 NT dollars one way to Hsinchu and can be purchased at the booth in the hall of main bus station. The driver will check your ticket when you aboard and return you the ticket stub. Be sure to keep the stub and return back to the driver when you get off at your destination. It takes about 1 and half hour to get to Hsinchu. You are advised to get off the last stop –Hsinchu train station where is very close to the SOL hotel (15 minutes of walking).

The bus stop is around the vicinity of the red circle. The blue line in the map is the ancient moat. The “Tung Men” city square is the ancient remain of a gate.

From Taipei to Hsinchu by train

It is quite convenient to get to Hsinchu by train. You may find more information in English through http://www.railway.gov.tw/e_index.htm

Link terminal 1 http://www.cksairport.gov.tw/CKSeng/about/facfloor_e.jsp?facterminal=T1&facfloor=1F

Link terminal 2 http://www.cksairport.gov.tw/CKSeng/about/facfloor_e.jsp?facterminal=T2&facfloor=2F

Geodynamic Tour

Date: March 15, 2007

Geophysics Excursion

We have a major overhaul on our excursion plan. In accordance with the extension of our scientific sessions (from the original 2 days program well into 3 days now), the once proposed three days tour is now cut short into a one day tour. However, it is our treat this time –every one is welcome to join this tour with no additional charge. We will departure from Hsinchu in the morning on 15^th March, heading north to stop by the volcano gorge of Mountain Yang-Ming and other nature attractions along the north coast. It is expected that the tour to be dismissed at the capital city Taipei around the dinner time. You may take a short cut to the international airport from Taipei (about one hour bus ride) after the tour, or stay with us all the way back to Hsinchu that evening. Look forward to enjoy this quality time with you.

Excursion itinerary

Day 3/15: Departure Hsinchu (8:30 a.m.), Yangmingshan National Park and Northeast Coast.

Yangmingshan National Park

http://www.ymsnp.gov.tw/

Northeast Coast

http://www.necoast-nsa.gov.tw/en/

18-Peak Mt. Tunnel facility

	Tunnel B of the 18-Peak Mt. houses two superconducting gravimeters, two FG5 gravimeters, one Graviton-EG relative gravimeter, one seismometer and other geophysical sensors. These sensors are in the service of Center for Geodesy and Gravimetry (COGG), established by the Ministry of The Interior, Taiwan. International collaborations using these instruments are welcome.
	Tunnel A, right next to Tunnel B, will be the meeting venue. It is a 30-m long, 5-m wide tunnel that is equipped with a meeting facility. Outside of Tunnels A and B is a city park featuring blossoms in all seasons and treks for walking and mountain climbing.