Laboratory for Remote Sensing and Geoinformatics 　 Directed by  Dr. Hongjie Xie , Assistant Professor

Peer-reviewed publication

  2008

Weissling, B. and H. Xie. MODIS biophysical states and NEXRDA precipitation in statistical evaluation of antecedent moisture condition and streamflow. Journal of the American Water Resources Association (in press)

Wang, X., H. Xie, T. Liang, X. Huang, Comparison and Validation of MODIS Standard and New Combination of Terra and Aqua Snow Cover Products in Northern Xinjiang, China. Hydrological Processes (in press) 

Guan, H., H. Hsu, O. Makhnin, H. Xie, and J. Wilson. Examination of selected atmospheric and orographic effects on monthly precipitation of Taiwan using the ASOADeK model. International Journal of Climatology, doi:10.1002/joc.1762 (in press)

Liang, T., X. Zhang, H. Xie, C. Wu, Q. Feng, X. Huang, and Q. Chen, 2008. Toward improved daily snow cover mapping with advanced combination of MODIS and AMSR-E measurements. Remote Sensing of Environment, doi:10.1016/j.rse.2008.05.010 (pdf)

Ackley, S.F., M.J. Lewis, C.H. Fritsen, and H. Xie, 2008. Internal melting in Antarctic sea ice: development of "Gap Layers". Geophysical Research Letters, 35, L11503, doi:10.1029/2008GL033644. (editor's choice for the June issue's cover page and editor's highlight) (pdf)

Weissling, B.P., H. Xie, and K. Murray, 2008. Evaluation of NRCS curve number and MODIS time series proxies for antecedent moisture condition. Civil Engineering and Environmental Systems, Vol 25 (3), doi: 10.1080/10286600802005356 (pdf).

Xie, H., 2008. Using remote sensing and GIS technology for an improved decision support: A case study of residential water use in El Paso, Texas. Civil Engineering and Environmental Systems, Vol. 25 (3), doi: 10.1080/10286600802003666 (pdf).

Xie, H., H. Guan, M. Zhu, M. Thueson, S.F. Ackley, and Z. Yue, 2008. A conceptual model for explanation of albedo changes in Martian craters. Planetary and Space Science, Vol 56/7: 887-894, doi:10.1016/j.pss.2008.01.012 (pdf).

Worby, A., C.A. Geiger, M.J. Paget, M.L. Van Woert, S.F. Ackley, T.L. DeLiberty 2008, The thickness distribution of Antarctic sea ice, Jl. of  Geophys. Res. Vol. 113, C05S92, doi:10.1029/2007JC004254.

Zhou, X., H. Guan, H. Xie, and J.L. Wilson, 2008. Analysis and optimization of NDVI definitions and areal fraction models in remote sensing of vegetation. International Journal of Remote Sensing, in press. (pdf)

Wang, X., H. Xie, H. Sharif, and J. Zeitler, 2008. Validating NEXRDA MPE and Stage III precipitation products for uniform rainfall on the Upper Guadalupe River Basin of the Texas Hill Country. Journal of Hydrology, Vol. 348(1-2): 73-86, doi: 10.1016/j.jhydrol.2007.09.057 (pdf)

Wang, X., H. Xie, and T. Liang, 2008. Evaluation of MODIS snow cover and cloud mask and its applications in northern Xinjiang, China. Remote Sensing of Environment, doi:10.1016/j.rse.2007.05.016, Vol 112(4): 1497-1513 (pdf).

Guan, H., H. Xie, and M. Zhu, 2008. Canopy blockage and scattering effects on apparent soil spectral reflectance and its consequence in spectral mixture analysis of vegetated surfaces. International Journal of Remote Sensing, doi:10.1080/01431160701469081, Vol 29 (12):3509-3522 (pdf)

　

 2007

Ainley,D., G.Ballard, S.F. Ackley, et al, 2007.  Paradigm Lost, or is top-down forcing no longer significant in the Antarctic marine ecosystem?  Ant. Science, 19(3) 283-290

Weissling, B.P., H.Xie, and K.E.Murray, 2007. A multitemporal remote sensing approach to parsimonious streamflow modeling in a southcentral Texas watershed, USA. Hydrology and Earth System Sciences Discussions, 4, 1-33 (a discussion paper).

Wang, X., H. Xie, H. Guan, and X. Zhou, 2007. Different responses of MODIS-derived NDVI to root-zone soil moisture in semi-arid and humid regions. Journal of Hydrology, Vol. 340: 12-24, doi: 10.1016/j.jhydrol.2007.03.022 (pdf).

Xie, H., Y.Q. Tian, J.A. Granillo, G.R. Keller, 2007. Suitable remote sensing method and data for mapping and measuring active crop field. International Journal of Remote Sensing, Vol. 28(2): 395-411 (pdf).

 2006

Sharif, H. O., D. Yates, R. Roberts, and C. Mueller, 2006. The Use of an Automated Now-Casting System to Forecast Flash Floods in an Urban Watershed, J. of Hydrometeorology, doi: 10.1175/JHM482.1.

Xie, H., X. Zhou, J. Hendrickx, E. Vivoni, H. Guan, Y. Tian, and E. Small, 2006, comparison of NEXRAD Stage III and gauge precipitation estimates in central New Mexico , Journal of the American Water Resources Association, 42(1): 237-256 (pdf)

Xie, H. and R.G. Keller, 2006, Fusion of Landsat and radar data to enhance the extraction of surface and subsurface information, in Sinha, A.K., ed., Geoinformatics: Data to Knowledge: Geological Society of American Special Paper 397, p. 141-151, doi:10.1130/2006.2397(10) (pdf).

  2005

Knuth, M.A. and S.F. Ackley, 2006.  Summer and early fall sea ice concentration in the Ross Sea: Comparison of in situ ASPeCt observations and satellite passive microwave estimates. Annals of Glac., Vol.44, No.1, pp.303-309.

Zhou, X., H. Xie, J. Hendrickx, 2005, Statistical evaluation of MODIS snow cover products with constraints from streamflow and  SNOTEL measurement. Remote Sensing of Environment, Vol.94 (2), pp214-231 (pdf).

Xie, H., X. Zhou, E. Vivoni, J. Hendrickx, and E. Small, 2005, GIS Based NEXRAD Precipitation Database: automated approaches for data processing and visualization , Computers and Geosciences, Vol.31 (1), pp 65-76 (pdf).

Guan, H., J.L. Wilson, and O. Makhnin, 2005. Geostatistical mapping of mountain precipitation incorporating auto-searched effects of terrain and climatic characteristics, Journal of Hydrometeorology, Vol.6(6): 1018-1031 (pdf).

Guan, H., E. R. Vivoni, and J. L. Wilson (2005), Effects of atmospheric teleconnections on seasonal precipitation in mountainous regions of the southwestern U.S.: A case study in northern New Mexico, Geophys. Res. Lett., 32, L23701, doi:10.1029/2005GL023759. (pdf)

　

  2004

Dai M., H. H. Shen, M. A. Hopkins, S. F. Ackley, 2004. Wave rafting and the equilibrium pancake ice cover thickness. J. Geophys. Res., 109, C07023, doi:10.1029/2003JC002192

Xie, H., G. R. Keller, and Richard P. Langford, 2004 , AIRSAR/TOPSAR Image Processing and Interpretation: an application example in far west Texas, USA. Geocarto International, Vol. 19, No. 3, pp. 33-41.

　

  2003 and before

Xie, H., N. Hicks, G. R. Keller, H. Huang, V. Kreinovich, 2003, An IDL/ENVI Implementation of the FFT Based Algorithm for Automatic Image Registration , (downloading source code and test datasets from here maintained by the Journal), Computers and Geosciences, Vol. 29, pp. 1045-1055. (pdf)

Xie, H., J. Li, D. Liu, Y. Zhang, S. Huang, J. Fen, 1999 , Hyperspectral Image Processing and Application Study in Miaoershan District (in Chinese with English abstract), Journal of Uranium Geology, Vol.15, pp. 47-54.

Rong, J., M. Feng, Z. Sun, Z. Xu, and H. Xie, 1997, Pegmatite-type Uranium Mineralization and Reginal Zonation of Pegmatite Swarm in North Qinling (in Chinese with English abstract), Geoscience Research, Vol. 29-30, pp. 76-88 .

Xie, H. and J. He, 1997, Application of Radioactivity-Remote Sensing Techniques to Uranium Metallogenic Environment Analyses and Prospective Prognosis in Anshan-Benxi Area, Liaoning Province, China (in Chinese with English abstract),  Journal of Uranium Geology, Vol. 13, pp. 95-100.

Feng, M., J. Rong, Z. Sun, Z. Xu, H. Xie, 1996, The Formation Mechanism and Prognosis on the Prospect of Pegmatite Type Uranium Deposit in Northern Qinling of China (in Chinese), China Nuclear Science and Technology Report CNIC-01128 and BRIUG-0034 (Monograph), 9 p.

Feng Mingyue, Rong Jiashu, Sun Zhifu, Xu Ziyang, Xie Hongjie, 1996. Pegmatite Type Uranium Deposit of Northern Qinling (in Chinese), ISBN 7-5022-1591-3, Published by China Atomic Energy Press . 144 p

　

Peer-reviewed conference papers:

　

Roberto Araiza, Hongjie Xie, Scott A. Starks, and Vladik Kreinovich, 2002. Automatic Referencing of Multi-Spectral Images , Proceedings of 15th IEEE Southwest Symposium on Image Analysis and Interpretation, April 7-9, Santa Fe, New Mexico. pp. 21-25 .

LeMone, D.V., R. L. Dodge, H. Xie, R. P. Langford, G. R. Keller, 2002, Remote Sensing Analysis of the Sierra Blanca (Faskin Ranch) Low-Level Radioactive Waste Disposal Site, Hudspeth County, Texas,   Proceedings of  2002 Waste Management. Tucson, Arizona. 18 p.

Srikrishnan, S., R. Araiza, H. Xie,  S. A. Starks, and V. Kerinovich, 2001,   Automatic Referencing of Satellite and Radar Images, Proceedings  of the 2001 IEEE Systems, Man, and Cybernetics  Conference, October 7-10, Tucson, Arizona. pp. 2176-2181 .

LeMone, D.V., R. L. Dodge,   H. Xie,  G.R.Keller, 2001, Remote  Sensing Analysis of the Fort Hancock Low-Level Radioactive Waste Disposal Site,  Hudspeth County, Texas,   Proceedings of 2001 Waste Management. Tucson, Arizona. 20 p.

David V. LeMone, Petr Vaganov, Stanislav Turchenko, Rebecca Dodge, and Hongjie Xie, 2000, The Salmi Complex of Karelia, northwestern Russia: Potential High-level Radioactive Waste Repository ,  Proceedings of 2000 Waste Management. Tucson, Arizona. 11 p..

　

　

　

　

---

　

Conference proceedings publication

　

  2008

Hendrickx, JMH, H Xie, JBJ Harrison, B. Borchers and J Simunek, 2008. Global prediction of thermal soil regimes, SPIE Defense and Security Symposium 2008 proceedings 6953-33 Vol 9 (10 p.)

Zeng, Z., N.E. Putzig, H. Xie, S. Birnbaum, S.F. Ackley, and L. Liu, 2008. Evidence of fractures in NPLD and their significance to the formation of Martian polar spiral troughs. 39^th Lunar and Planetary Science Conference, abs#2179, March 10-14, League City, Texas. 2 p. (pdf)

Zeng, Z., H. Xie, S.J. Birnbaum, S.F. Ackley and L. Liu, 2008. A structural solution for the formation of dunes in the Martian polar region. 39^th Lunar and Planetary Science Conference, abs#2050, March 10-14, League City, Texas. 2 p. (pdf)

  2007

Thueson, M.A. and H.Xie, 2007. Water ice and carbon dioxide ice interactions: crater investigations in residual north polar ice cap. The Seventh International Conference on Mars. July 9-13, Pasadena, CA. 3p. (pdf)

Xie, H., S. Ackley, Z. Zeng, F. Qiu, 2007. Permafrost and its implication in 'Louth' crater (70.5N, 103.2E) of Mars. The Seventh International Conference on Mars. July 9-13, Pasadena, CA. 4p. (pdf)

Zeng, Z., H. Xie, S. Birnbaum, L. Liu, W. Yang, 2007. New insight on the origin of spiral troughs in Martian polar ice caps. The Seventh International Conference on Mars. July 9-13, Pasadena, CA. 4p. (pdf)

Ackley, S.F., P. Wagner, and H. Xie, 2007. Sea ice ridging and rafting structures: is the microstructural controlled transition from ductile to brittle behavior on Earth also seen on Mars? 38^th Lunar and Planetary Science Conference, abs#2035, March 12-16, League City, Texas. 2 p. (pdf)

Thueson, M. and H. Xie, 2007. Water ice investigation in crater of residual polar region using THEMIS data. 38^th Lunar and Planetary Science Conference, abs#2355, March 12-16, League City, Texas. 2 p. (pdf).

Wagner, P., H. Xie, M. Zhu, and H. Guan, 2007. Using OMEGA data to determine the optical depths of water vapor absorption bands in the Martian atmosphere. 38^th Lunar and Planetary Science Conference, abs#2065, March 12-16, League City, Texas. 2 p. (pdf)

Xie, H., H. Guan, M. Zhu, and M. Thueson, 2007. A conceptual model of H2O/CO2 frost sublimation and condensation caused albedo change in crater interiors, Martian seasonal polar cap regions. 38^th Lunar and Planetary Science Conference, abs#2079, March 12-16, League City, Texas. 2 p. (pdf)

Yue, Z., H. Xie, J. Liu, and Z. Ouyang, 2007. An introduction of Chinese Lunar exploration program. 38^th Lunar and Planetary Science Conference, abs#2082, March 12-16, League City, Texas. 2 p. (pdf)

Zeng, Z., S. Birnbaum, H. Xie, Li Liu, M. Zhu, W. Yang, 2007. Three-dimensional numerical modeling of Tharsis Binucleus-type vortex structure on Mars. 38^th Lunar and Planetary Science Conference, abs#1210, March 12-16, League City, Texas. 2 p. (pdf)

　

  2006

Cicek, B. and H. Xie. 2006. Elevation and freeboard changes of Ross Sea ice and ice shelf using ICESat. IEEE IGARSS, July 31-August 04, Denver, CO. 4 p. (pdf)

Weissling, B.P., 2006. Assessment, priorization, and monitoring of an ecosystem's environmental services: a modeling approach with remote sensing and GIS. ASPRS annual meeting, May 1-5, Reno, Nevada. 8 p.

Wang, X., H. Guan, and H. Xie, 2006. Estimation of root-zone soil moisture using MODIS-derived NDVI in semiarid and humid conditions. ASPRS annual meeting, May 1-5, Reno, Nevada. 9 p.

Xie, H., M. Zhu, H. Guan, and R.K. Smith, 2006. Isolated water ice in an unnamed crater away from the residual north polar cap of mars: the only one? 37^th Lunar and Planetary Science Conference, abs#1764, March 13-17, League City, Texas. 2 p. (pdf)

Zhu, M., H. Xie, H. Guan, and R.K. Smith, 2006. Mineral and lithologic mapping of martian low albedo regions using OMEGA data. 37^th Lunar and Planetary Science Conference, abs#2173, March 13-17, League City, Texas. 2 p. (pdf)

Guan, H., H. Xie, and M. Zhu, 2006. Development of an alternative Martian atmospheric correction algorithm for OMEGA/Mars Express imagery. 37^th Lunar and Planetary Science Conference, abs#1934, March 13-17, League City, Texas. 2 p. (pdf)

　

  2005

Weissling, B., H. Xie, P. Jurena, 2005. Early detection of oak wilt disease: A hyperspectral approach, Proceedings of the Pecora 16 Global Priorities in Land Remote Sensing, October 23-27, Sioux Falls, South Dakota. 7 p.

Xie, H., H. Guan, and S. Ytuarte, 2005. Heat island of San Antonio, Texas detected by MODIS/Aqua temperature product. Proceedings of the 2oth Biennial Workshop on Aerial Photography, Videography, High Resolution Digital Imagery for Resource Assessment. Weslaco, TX, October 4-6, 2005. 7 p.

Cabico, L. and H. Xie, 2005. Correlation analysis of fuel moisture content from Remote Automated Weather Stations and MODIS-derived vegetation indices, West Texas High desert. Proceedings of the 2oth Biennial Workshop on Aerial Photography, Videography, High Resolution Digital Imagery for Resource Assessment. Weslaco, TX, October 4-6, 2005. 10 p.

Wang, X., H. Guan, and H. Xie, 2005. The response of MODIS-derived NDVI to root-zone soil moisture in semi-arid and humid climate conditions. Proceedings of the 2oth Biennial Workshop on Aerial Photography, Videography, High Resolution Digital Imagery for Resource Assessment. Weslaco, TX, October 4-6, 2005. 10 p.

Owojori, A. and H. Xie, 2005. Landsat image-based LULC changes of San Antonio, Texas using advanced atmospheric correction and object-oriented image analysis approaches, Proceedings of the 5th International Symposium on Remote Sensing of Urban Areas (URS2005), March 14-16, Tempe, Arizona. 4 p.

　

　

　

---

　

Conference abstracts

  2008

Cicek, B, S. Ackley, H. Xie, and P. Wagner, 2008. Analysis of Antarctic sea ice extend based on NIC charts (inlcudes ENVISat) and AMSR-E data.  28th EARSel Symposium, Remote Sensing for a Changing Europe, Istanbul, Turkey, June 2-5.

Wang, X. and H. Xie, 2008. Mapping spatiotemporal variation of snow cover from combination of MODIS terra and Aqua observations in the Central Tianshan Mountains. 2008 AAG Annual Meeting, Boston, MA (link)

Moreno, H., JMH Hendrickx, H. Xie, and J. Simunek, 2008. Global prediction of thermal soil regimes in bare soils. SPIE Defense and Security Symposium 2008. Orland, FL, March 18-20.

Sharif, H., S. Chintalapudi, X. Wang, H. Xie, and J.W. Zeitler, 2008. Hydrometeorological analysis of flooding events in San Antonio, TX. AMS 88th annual meeting, New Orleans, LA, January 20-24.

  2007

FALL AGU:

　

Cicek, B., H., Xie, and S.F. Ackley, 2007. Sea ice characteristics from the West Antarctic ODEN cruise compared to satellite analyses. AGU Fall meeting, San Francisco, CA, December 10-14. (link)

Jordan, A., H. Xie, 2007. A.M. High Albedo events in Martian northern polar craters: an investigation using THEMIS infrared data. AGU Fall meeting, San Francisco, CA, December 10-14. (link)

Mazari, N., H. Xie, H., Sharif, J. Zeitler, 2007. NEXRAD reflectivity derived rainfall estimates comparison with measurement from collocated rain gauges. AGU Fall meeting, San Francisco, CA, December 10-14. (link)

Qiang, Z., X. Zhao, H. Xie, Z. Zeng, 2007. Satellite thermal infrared stress field and earthquake prediction in short-term and imminent. AGU Fall meeting, San Francisco, CA, December 10-14. (link)

Wang, X. and H. Xie, 2007. New multi-day snow cover products from combination of Terra and Aqua MODIS daily snow cover data. AGU Fall meeting, San Francisco, CA, December 10-14. (link)

Wagner, P., S.F. Ackley, H. Xie, 2007. Similar sea ice behavior dynamics on Earth and Mars. AGU Fall meeting, San Francisco, CA, December 10-14. (link)

Xie, H., M. Lewis, and S.F. Ackley, 2007. A preliminary study of AMSR-E sea ice temperature products for snow-ice flooding detection. AGU Fall meeting, San Francisco, CA, December 10-14. (link)

Yu, B., X. Wang, and H. Xie, 2007. MODIS-based snow cover variability of the Upper Rio Grande Basin. AGU Fall meeting, San Francisco, CA, December 10-14. (link)

Yue, Z. and H. Xie, 2007. Wind a potential mechanism of Mars gully formation. AGU Fall meeting, San Francisco, CA, December 10-14. (link)

Zeng, Z., H. Xie, S. Birnbaum, L. Liu, M. Zhu, W. Yang, 2007. Terrestrial analogue and origin of the spiral troughs in Martian polar ice caps. AGU Fall meeting, San Francisco, CA, December 10-14. (link)

　

OTHERS:

　

Wang, X. and H. Xie, 2007. An automatic approach to generate multi-day snow cover composite from combination of daily Terra and Aqua MODIS snow cover data. SWAAG/Mid-South ASPRS 2007 annual meeting, College Station, TX, November 1-3.

Guan, H., H. Xie, and J. L. Wilson, 2007. A physically-based multivariate-regression approach for downscaling NEXRAD precipitation in mountainous terrain. 33rd Conference on Radar Meteorology,  Cairns, Queensland, Australia. August 6-10, 2007. (link)

Cicek, B., H. Xie, and S. Ackley, 2007. Comparison between ice observations made aboard ships in the Antarctic sea ice and AMSR-E/Aqua geophysical products. IEEE IGARSS, Barcelona, Spain, July 23-27.

Wang, X., H. Xie, and T. Liang, 2007. Assessing spatiotemporal distribution and variability of snow cover and SWE based on MOIDS and AMSR-E, and their applications on water source management in Yili River watershed in Xinjiang, China. ASPRS Annual conference, Tampa, FL, May 7-11.

Saunders, B., B. Cicek, H. Xie, and S.F. Ackley. Estimates of Sea Ice Concentration from the ASPeCt ship observations Data Base. Gordon Research Conference - Polar Marine Science, Ventura, CA, March 25-30, 2007.

Cicek, B., H. Xie, and S.F. Ackley, 2007. Summer Sea Ice in the Ross Sea - ODEN Cruise. Gordon Research Conference - Polar Marine Science, Ventura, CA, March 25-30, 2007.

Ackley, S.F. and M.J. Lewis, 2007. Internal Melting in Antarctic Sea Ice: Development of “Gap” or “Freeboard” Layers. Gordon Research Conference - Polar Marine Science, Ventura, CA, March 25-30, 2007.

Lewis, M., S.F. Ackley, H. Xie, and B. Cicek, 2007. Comparison of AMSR-E Derived Antarctic Snow-Ice Interface Temperatures with Surface Observations. Gordon Research Conference - Polar Marine Science, Ventura, CA, March 25-30, 2007.

Ackley, S.F., P. Wagner, H. Xie, 2007. Sea Ice Ridging and Rafting Structures: Is the microstructural controlled transition from Ductile to Brittle Behaviour on Earth also seen on Mars? Gordon Research Conference - Polar Marine Science, Ventura, CA, March 25-30, 2007.

Cicek, B., H Xie, T. DeLiberty, 2007. A procedure development of incorporating and processing ICESat data into a GIS system. AMS 87th annual meeting, San Antonio, TX, January 14-18 (link)

Weissling, BP, H. Xie, 2007. Streamflow prediction in ungaged watersheds: statistical modeling with remote sensing. AMS 87th annual meeting, San Antonio, TX, January 14-18 (link)

Wang, X., H Xie, H Sharif, 2007. The impact of local and global climate variation/change on extreme weather events in the south central Texas. AMS 87th annual meeting, San Antonio, TX, January 14-18 (link)

  2006

Lewis, M., SF Ackley, H Xie, B Cicek, 2006. Comparison of AMSR-E derived Antarctic snow-ice interface temperatures with previous surface observations, AGU Fall meeting, San Francisco, CA, December 11-15.(link)

Zhou, X., H Guan, H Xie, JL Wilson, 2006. Unification of NDVI definitions and areal fraction models in remote sensing of vegetation. AGU Fall meeting, San Francisco, CA, December 11-15 (link)

Weissling, BP, H Xie, 2006. A multitemporal remote sensing approach to streamflow prediction and flood vulnerability forecasting. AGU Fall meeting, San Francisco, CA, December 11-15.(link)

Zeng, Z., S Birnbaum, M Zhu, H Xie, L Liu, 2006. Tharsis Binucleus-Type Vortex Structure (TBVS) on Mars: implications for differential rotation of Mars. AGU Fall meeting, San Francisco, CA, December 11-15. (link)

Wang, X., H. Xie, and T. Liang, 2006. Validation of AMSR-E snow water equivalent products in Northern Xinjiang Uygur Autonomous region, China. ASPRS/MAPPS Fall meeting, San Antonio, TX, November 6-10.

Cicek, B. and H. Xie, 2006. Spatiotemporal variability of snow depth on sea ice in Ross Sea region of Antarctica using AMSR-E/Aqua geophysical products. ASPRS/MAPPS Fall meeting, San Antonio, TX, November 6-10.

Wang, X and H. Xie, 2006. Comparison of the NEXRAD MPE and Stage III precipitation products in Texas Hill country. SWAAG annual meeting, Norman, OK, October 26-28.

Keller, GR, O.Quezada, H. Xie, J.Granillo, 2006. Intergration and formal fusion of remote sensing and geophysical data to obtain subsurface structure: some examples. GSA annual meeting, Philadelphia, PA, October 22-25. (link)

Fan C., D. Schulze-makuch, H Xie, 2006. Sulfate formation and its relevance to environmental conditions on early Mars. Workshop on Martian sulfates as recorders of atmospheric-fliud-rock interactions. Houston, Texas, October 22-24.

Wang X., H Xie, 2006. Comparison of the NEXRDA MPE and Stage III precipitation products in Texas Hill Country. UTSA 2006 student conference on Engineering, Science and Biotechnology, October 20.

Lewis, M. and H. Xie, 2006. Temporal variation in snow cover over sea ice in Antarctica using AMSR-E data product. IEEE IGARSS, Denver, CO, July 31-August 04.

Ackley, S.F., 2006. Surface surveys of snow depth, ice elevation and sea ice thickness and their use in developing ice thickness algorithms from laser and radar satellite altimetry. International Workshop on Sea Ice Thickness, Hobart, Yasmania, Australia, July 5-7.

Cicek, B., and H. Xie, 2006. Elevation and freeboard changes of Ross Sea ice and ice shelf using ICESat. International Workshop on Sea Ice Thickness, Hobart, Yasmania, Australia, July 5-7.

Lewis, M. and H. Xie, 2006. Analysis of Snow Depth and Coverage on Sea Ice in Antarctica using AMSR-E data products. International Workshop on Sea Ice Thickness, Hobart, Yasmania, Australia, July 5-7.

Xie, H., X. Wang, and T. Liang, 2006. Spatiotemporal distribution and variability of snow cover and snow water equivalent based on MODIS and AMSR-E and their implications on snow-related disasters in Northern Xinjiang Uygur Autonomous region, China. WPGM, Beijing, China, July 24-27. (link)

Zhu, M., H.Xie, D. Liu, Y.Zhang, 2006. Hydrocarbon microseepage detection based on normalized ferric and ferrous indices of Landsat imagery. AGU Joint Assembly. Baltimore, MD, May 23-26 (link)

Guan, H., J.L.Wilson, E.E. Small, 2006. Partitioning of evaporation and transpiration in semiarid ecosystems using a dual-source surface energy model (TEVT). AGU Joint Assembly. Baltimore, MD, May 23-26 (link)

Guan, H., H.Xie, H. Hsu, O. Makhnin, J.l. Wilson, 2006. ASOADek application of gauge-based precipitation records in Taiwan and its hydroclimatic implications. AGU Joint Assembly. Baltimore, MD, May 23-26 (link)

Guan, H., H.Xie, and J.L.Wilson, 2006. A physically-based multivariate-regression appraoch for downscaling NEXRAD precipitation in mountainous terrain. AGU Joint Assembly. Baltimore, MD, May 23-26.(link)

Xie, H. and X. Wang, 2006. Comparison of NEXRAD Stage III and MPE precipitation products with constraints from high quality and density of raingauge networks in the Upper Guadalupe River Basin, Central Texas. AAGU Joint Assembly. Baltimore, MD, May 23-26.(link)

Xie, H., X.Zhou, J.M,Hendrickx, and H.Guan, 2006. Evaluation of NEXRDA Stage III precipitation data over Sevilleta National Wildlife Refuge: a semiarid region in Central New Mexico. AGU Joint Assembly. Baltimore, MD, May 23-26. (link)

Wang, X. and H. Xie, 2006.Validation of the new NEXRAD precipitation product - Multisensor Precipitation Estimator (MPE) - in Texas Hill Country. AAG Annual Meeting. Chicago, IL, March 7-11.

  2005

Xie, H. and X. Wang, 2005. Validation of NEXRAD Stage III (or MPE) precipitation in Texas Hill Country and the variability of the estimates between Texas Hill Country and Central New Mexico. The 32^nd Conference on Radar Meteorology, Albuquerque, NM, October 24-28

Guan, H., H. Xie, and J. Wilson, 2005. A physical-based parsimonious approach for spatial disaggregation of NEXRAD precipitation in mountainous terrain. The 32^nd Conference on Radar Meteorology, Albuquerque, NM, October 24-28.

Zhou, X., S. Li, H. Xie, H. Guan, C. Link, and M. Speece, 2005. Retrieval of liquid water content from radar backscattering coefficient for soil-snow mixed terrain. INSA Space Policy Institute 'o5 Conference, Big Sky, Montana, September 16-18.

Ytuarte, S.L., 2005. Urban hot island phenomenon of San Antonio Texas using time series of temperature from MODIS images. South-Central Section Annual Meeting, April 1-2, San Antonio, Texas.

Mena-Fernandez, S., R. Perez, and H. Xie, 2005. Understanding the Olympus Mons and Valles Marineris using THEMIS imagery, American Society of Geology (GSA) South-Central Section Annual Meeting, April 1-2, San Antonio, Texas.

Cabico, M.L. and H. Xie, 2005. Fuel moisture content based on MODIS-derived vegetation indices in west Texas high desert, South-Central Section Annual Meeting, April 1-2, San Antonio, Texas.

Mena-Fernandez, S. and H. Xie, 2005. Understanding the Olympus Mons and Valles Marineris using THEMIS imagery, 36th Lunar and Planetary Science Conference, March 14-18, Houston, Texas.

Xie, H., H. Guan, X. Zhou, and J. Wilson, 2005. Relation of below-root-zone soil moisture and surface NDVI from optical remote sensing imagery, ASPRS Annual Conference, March 7-11, Baltimore, Maryland.

Xie, H., E. Vivoni, X. Zhou, and J. Hendrickx, 2005. Rainfall climatology of the monsoon season in New Mexico: Observations from NEXRAD Stage III (1996-2003), AMS Annual Conference (85th), January 9-13, San Diego, California.

　

  2004

Scanlon, B., M. Musgrove, A. Sansom, H. Xie, B. Wilcox, J. Sharp, C. Alexander, B. Vieux, R.Jackson, S. Archer, K. Keese, R. Reedy, 2004. Unique Aspects of proposed San Antonio/Guadalupe Hydrologic Observatory in Texas, AGU Fall Meeting, December 13-17, San Francisco, California.

Xie, H., X. Zhou, and J. Hendrickx, 2004, Evaluation of MODIS snow-cover products with constraints from streamflow and SNOTEL data, AGU Fall Meeting, December 13-17, San Francisco, California.

Zhou, X., H. Xie, and J. Hendrickx, 2004, Statistical evaluation of MODIS daily and 8-day snow products, EOS Snow and Ice Products workshop, November 16-17, Landover, Maryland.

Scanlon, B., M. Musgrove, A. Sansom, H. Xie, J. Sharp, Z. Yang, 2004. Potential advances in quantifying water cycle in karst system using hydrologic observatory approach, GSA Annual Conference, November 7-10, Denver, Colorado.

Xie, H., G. R. Keller, and X. Zhou, 2004. GIS-based automated time-series remote sensing data conversion and information retrieval, GSA Annual Conference, November 7-10, Denver, Colorado.

Zhou, X., H. Xie, G. Marshall, and H. Guan, 2004. Spectral signature and emissive characteristics of drought-stressed vegetation - implication for remote sensing of drought stress, ASPRS Annual Conference, May 23-28, Denver, Colorado.