CARC – Scientist Profile – Ram Ray


Ram L. Ray Ph.D.
Research Scientist


Ph.D., University of New Hampshire, Durham, NH, USA (Civil Engineering/Water Resources)
M.S., Vrije Universiteit Brussel and Ghent University, Brussels Belgium (Soil Science)
B.S., Tribhuvan University, Kathmandu, Nepal (Civil Engineering)

Key Interests

Spatial hydrology, remote sensing of hydrology, water resource management, natural hazards such as landslides and floods, soil water dynamics, watershed hydrology and modeling, climate change impact on water resources and geomorphology.

Contact Information

Office: P.O. Box 519; MS 2008, Prairie View, TX 77446
Phone: (936) 261-5094

Recent Publications

Choi M., Kustas W.P., and Ray R.L. (2012). Integration of soil moisture for evapotranspiration compared on multiple land cover types. Hydrological Processes, 26:2962-2972.

Ray R.L., Jacobs J.M., and Ballestero T.P. (2011). Slope stability analysis using dynamic safety factors approach. Natural Hazards, 59:1317-1337.

Beighley R.E., Ray R.L., He Y., Schaller L., Durand M., Andreadis K.M., and Alsdorf D.E. (2011). Comparing satellite derived rainfall datasets using the Hillslope River Routing (HRR) model in the Congo Basin. Hydrological Processes, 25:3216-3229.

Ray R.L., Jacobs J.M., and Cosh M. (2010). Landslide susceptibility mapping using downscaled AMSR-E soil moisture: A case study from Cleveland Corral, California, US. Remote Sensing of Environment, 114: 2624-2636.

Douglas E.M., Jacobs J.M., Sumner D.M., and Ray R.L. (2009). A comparison of models for estimating potential evapotranspiration for Florida land cover types. Journal of Hydrology, 373 (3-4): 366-376.

Ray R.L., Jacobs J.M., and de Alba P. (2010). Impact of unsaturated zone soil moisture and groundwater table on slope instability. Journal of Geotechnical and Geoenvironmental Engineering, 136(10):1448-1458.

Ray R.L. and De Smedt F. (2009). Slope stability analysis using GIS on a regional scale: A case study from Dhading Nepal. Environmental Geology, 57: 1603-1611.

Ray R.L. and Jacobs J.M. (2007). Relationships among remotely sensed soil moisture, precipitation and landslide events. Natural Hazards, 43(2):211-222.\

Ray R.L., and Jacobs J.M., 2008. Landslide susceptibility mapping using remotely sensed soil moisture. Proceedings: IEEE International Geosciences and Remote Sensing Symposium (IGARSS), Boston, USA, pp. III-47-50, ISBN: 978-1-4244-2808-3.

Ray R.L., and Jacobs J.M., 2007. Linking landslides with remotely sensed soil moisture and satellite derived rainfall at Cleveland Corral, El Dorado County in California. 1st North American Landslide Conference, June 3-8, 2007, Vail, CO (USA), AEG S.P. No. 23, pp. 376- 386, ISBN: 978-0-975-4295-3-2.