382 
In: Wagner W., Szekely, B. (eds.): ISPRS TC VII Symposium - 100 Years ISPRS, Vienna, Austria, July 5-7, 2010, IAPRS, Vol. XXXVIII, Part 7B 
Sandwell D. T. and Price E. J., 1998. Phase gradient approach 
to stacking interferograms, J. Geophys. Res., vol. 103, pp. 
30183-30204. 
Santoro, M, Askne, J.I.H., Wegmiiller, U. Werner, 
C.L.,2007.Observations, modeling, and applications of ERS- 
ENVISAT coherence over land surfaces, IEEE Transactions on 
Geoscience and Remote Sensing, Vol.45, NO.8,pp.2600-2611. 
Shan X.J., Ma J., Song X.Y., Wang C. et al. 2002.Using 
Deformation Field Obtained by Spacebome D-INSAR 
Technique to Research Characteristics of Source Rupture of 
Zhangbei-Shangyi Earthquake, Earthquake research in 
China,Vol.18, No.2.:l 19-126. 
Spagnolini U., 1995. 2-D phase unwrapping and instantaneous 
frequency estimation,” IEEE Trans. Geosci. Remote Sensing, 
vol. 33, pp. 579-589, May 1995. 
Sverrir Guemundsson, 2000.Crustal Deformation Mapped by 
Combined GPS and INSAR: [M. S.Thesis],Iceland: Technical 
University. 
Usai S., Hanssen R., Long time scale INSAR by means of high 
coherence features, Proc.3rd ERS Symposium, Florence, Italy, 
March 1997, available at http: //florence97.ers- 
symposium.org: 80. 
Usai S. and Klees R., 1998. On the Feasibility of Long Time 
Scale INSAR, Proc. of 1998 Int. Geoscience and Remote 
Sensing Symp. (IGARSSi98), Seattle (WA) 6-10. vol. 5, pp. 
2448-2450. 
Usai, S., Delgaudio C., Borgstrom S., and Achilli V., 1999. 
Monitoring terrain deformations at Phlegrean Fields with SAR 
interferometry, 2 nd International Workshop on SAR 
Interferometry (FRINGE99), European Space Agency, Liege, 
Belgium, unpaginated CDROM. 
Usai S., Klees R., 1999.On the interferometric characteristics of 
anthropogenic features. Proc. 1999 Int. Geoscience and Remote 
Sensing Symp.(IGARSS’99), vol. 3, Hamburg, June 28-July 2. 
Usai S., Klees R.,2000. An analysis of the interferometric 
characteristics of anthropogenic features. IEEE Trans, on 
geoscience and remote sensing, vol. 38, N0.3, 1491 1497. 
Usai S., 2001. A new approach for long term monitoring of 
deformations by differential SAR interferometry, Ph.D. thesis, 
Delft Univ. of Technol., Delft, The Netherlands.Williams. 
Usai S., 2002. A least-squares approach for long-term 
monitoring of deformations with differential SAR 
interferometry, in Proc. IGARSS 2002, vol. 2, Toronto, ON, 
Canada, pp. 1247-1250. 
Usai, S., 2003. A Least Squares Database Approach for SAR 
interferometric data, Monitoring terrain deformations at 
Phlegrean Fields with SAR interferometry, IEEE Transactions 
on Geoscience and Remote Sensing, 41:753-760. 
Wegmuller U., Werner, C., Strozzi T., and Wiesmann A. 2005. 
ERS-ASAR integration in the interferometric point target 
analysis, Fringe 2005 workshop, ESA ESRIN, Frascati, Italy, 
28,Nov.-2.Dec. 
Wegmuller U., Strozzi T., and Tosi L., 2000. “Differential SAR 
interferometry for land subsidence monitoring: methodology 
and examples”, Proceedings of SISOLS 2000, Ravenna, Italy 
25-29. 
Werner, C., Wegmuller U., Strozzi T., and Wiesmann A. 
2003.Interferometric point target analysis for deformation 
mapping, Proc. Int. Geosci. Remote Sens. Symp. 
Xu C.J., Wen Y.M., 2008. Nonhomogeneity of the Crust from 
Ms 7.9 Manyi(Tibet) Earthquake with InSAR Observation, 
Geomatics and Information Science of Wuhan University 
Vol.33,N0.8:846-849. 
Zebker H. A. and Goldstein R., “Topographic mapping from 
SAR observation,” J. Geophys. Res., vol. 91, no. B5, pp. 4993— 
4999, 1986. 
Zebker H. A. and Rosen P., “Atmospheric artifacts in 
interferometric SAR surface deformation and topographic 
maps,” J. Geophys. Res. Solid Earth, vol. 102, no. B4, pp. 
7547-7563, 1997. 
Zhao C.Y.,Zhang Q.,Ding X.L.Peng J.B. Yang C.S., 2009. 
InSAR based evaluation of land subsidence and ground fissure 
evolution at Xi’an, 17 (3):389-393.