Department of Geography & Environment
1600 Holloway Avenue, HSS 279
San Francisco State University
San Francisco, CA 94132
Office: HSS 279
Ph.D. in Geography, University of California, Santa Barbara, CA. 2003.
Geographical Information Science, urban remote sensing, spatial statistics and their application in socioeconomic and environmental modeling.
Geog. 103/205: Geographic Techniques
Geog. 603: Geographical Information Analysis
Geog. 620/720: Geographical Information Systems
Geog. 705: Geographical Analysis
Geog. 815: Geographical Information Science Seminar
Peer-reviewed Publications Since 2009
McClure, A.*, Liu, X., Hines, E., and Ferner, M., 2015. Error reduction techniques on a LiDAR-derived salt marsh digital elevation model. Journal of Coastal Research, accepted. [download]
Liu, X., Hu, P. and Hu, H., 2015. Accuracy assessment of LiDAR-derived DEMs based on approximation theory. Remote Sensing, 2015, 7, 7062-7079; doi: 10.3390/rs70607062 [download]
Liu, X., Hu, P., and Hu, H., 2014. The “M” in digital elevation models. Cartography and Geographical Information Science, 42(3), 235-243. [download]
Hu, H., Liu, X., Hu, P., 2014. Voronoi diagram generation on the ellipsoidal earth. Computers and Geosciences, 7, 81-87. [download]
Liu, X., Hu, P., Hu, H., and Sherba*, J., 2012. Approximation theory applied to DEM vertical accuracy assessment, Transaction in GIS, 16(3), 397-410. [download]
Merryfield*, M., Hines, E., X. Liu, and M. Beck, 2011. Building regional threat-based networks for estuaries in the western United States. PLoS One 6(20): e17407. doi:10.1371/journal.pone.0017407. [download]
Liu, X., 2010. Urban growth control and farmland preservation in west China. In S.Guo (ed.) Environmental Protection Policy and Experience in the U.S. and China’s Western Regions, 63-72.
Liu, X. and Griswold*, J., 2009. Pedestrian Volume Modeling: A Case Study of San Francisco. APCG yearbook, 71, 164-181. [download]
Peer-reviewed Publications Prior to 2009
Hu, P., X. Liu, and H. Hu, 2009. Accuracy assessment of digital elevation models based on approximation theory. Photogrammetric Engineering and Remote Sensing, 75(1), 49-56. [download]
Hu, P., X. Liu, and H. Hu, 2009. Isomorphism in digital elevation models and its implication to interpolation functions. Photogrammetric Engineering and Remote Sensing, 75(6), 713-721. [download]
Liu, X., P. Kyriakidis, M. Goodchild, 2008. Population density estimation using regression and area-to-point residual kriging. International Journal of Geographical Information Science, 22(4), 431-447. [download]
Liu, X. and Liu, Y. 2008. The accuracy assessment in areal interpolation: An empirical investigation. Science in China Series E: Technological Sciences, 51, Supp. I, 1-10.
Liu, X., Clarke, K., and M. Herold, 2006. Population density and image texture: A comparison study. Photogrammetric Engineering and Remote Sensing, 2, 187-196. [download]
Liu, X., and Andersson, C., 2004. Assessing the impact of temporal dynamics on land-use change modeling. Computers, Environment, and Urban Systems, 28, 107-124.
Herold, M., Liu, X., and K. Clarke, 2003. Spatial metrics and local texture for mapping urban land use, Photogrammetric Engineering and Remote Sensing, 991-1002.
Liu, X., and Lathrop, R. G., 2002. Urban change detection based on an artificial neural network. International Journal of Remote Sensing,23, 2513–2518.