home    land degradation    project outcome    Gallery Flooding Flood Hazard Assessment Pilot Area • The Pilot Areas • Climate • Cover factor (C) estimation • Digital terrain analysis • Relationship between soil properties • Relationship of soil properties with different land use/cover types Methodology • Methodologies • LISEM Results • Result Soil Properties and Land Use • Runoff rate for different land cover types • Model calibration and validation • Sensitivity analysis • Land use scenarios • Rainfall size scenarios • Flooding Scenario - 2 years return period • Flooding Scenario - 10 years return period • Flooding Scenario - 20 years return period • Flooding Scenario - 50 years return period • Summary tables for each flood characteristic • Flood hazard mapping • Conclusions and Recommendation Erosion Erosion Assessment Pilot Area • The Pilot Areas • Climate • Cover factor (C) estimation • Digital terrain analysis • Relationship between soil properties • Relationship of soil properties with different land use/cover types Methodology • Methodologies • Erosion Models Result • Results • C-Factor Mapping for erosion assessment • Soil erosion assessment • Assessment of land use/cover change effect on soil erosion • Assessing critical zones for ephemeral gully formation • Erosion Assessment by Different Models • The recommended erosion models • RMMF Landslide Case I • Landslide hazard assessment • The area (Pilot 3) • Landslide Mapping in Wang Chin using digital image analysis Techniques. • Results • Discussions Case II • Doi Ang Khang (Ang Khang) (Pilot area 4) • Landslide mapping in Ang Khang using aerial photos • Landslide Inventory Mapping • Landslide modelling and Susceptibility mapping • Landslide Susceptibility Maps from the three Scenarios (models) • Comparison between Ang Khang and Wang Chin (with respect to weights of evidence modelling using morphometric parameters) Salinization Case I • Pilot area II • Soil salinity • Salinization • Geomorphology • Soils • Geopedologic map • Results Case II • CASE II - The study of Yadav, R.D. (2005), • Methodology • Crop Simulation Model • PS 123 • Results • Mathematical (Regression) Model for Crop Yield Estimation • Conclusion Case III • Case III • Modeling Salinization • Geostatistics and Interpolation (GIS and Kriging) • Model Simulation and Prediction of Salinity • Simulated Depth to water table • Tenth Years Prediction • Twenty Years Prediction • Conclusion Runoff • Surface Runoff • Methodology • Modelling Runoff • Modelling Runoff Using Empirical Approach • Modelling runoff using the Semi-physical approach • Estimation with the Curve Number Method • Results and Discussion • Generation of Scenarios • Comparison of runoff rates with soil loss map • Conclusions • Presentation of papers based on project work at international • Workshop in Lomsak • Hua Hin seminar • Training of LDD staff • GIS and RS based predictive soil mapping • Soil erosion assessment • Landslide hazard assessment • Flood hazard assessment • Soil salinity study • List of completed MSc. theses on project PRESENTATION OF PAPERS BASED ON PROJECT WORK AT INTERNATIONAL conferences Both ITC and LDD staff participated international conferences to present project research results. Conferences included Asian Conference on Remote Sensing, in Chiang Mai (2004) and in Hanoi, Vietnam (2005), International Conference on Human Impact on Soil Quality Attributes in Arid and Semi-arid regions in Isfahan, Iran (2005), Asian Hydrological Conference, Singapore (2005), Second International Conference on Cartography and GIS. Borovet, Bulgaria. (2008) and Utah State University, Logan, Utah, USA, 2008. List of papers presented is given below:   Shrestha, D. P., B. Yazidhi and G. Teklehaimanot, 2004. Assessing soil losses using erosion models and terrain parameters: a case study in Thailand. Proceedings of the 25th Asian Conference on Remote Sensing and 1st Asian Space Conference, 22-26 November 2004, Chiang Mai, Thailand, pp. 1093-1098. Soliman, A. S., A. Farshad, R. Sporry and D. P. Shrestha, 2004. Predicting salinization in its early stage, using electro magnetic data and geostatistical techniques: a case study of Nong Suang District, Nakhon Ratchasima, Thailand. Proceedings of the 25th Asian Conference on Remote Sensing and 1st Asian Space Conference, 22-26 November 2004, Chiang Mai, Thailand, pp. 847-852. Patanakanog, B., D. P. Shrestha, C. Saengthongpinit, A. Sapet and A. Farshad, 2004. Land use change and land degradation: a case study in Nam Chun subwatershed in Thailand. Proceedings of the 25th Asian Conference on Remote Sensing and 1st Asian Space Conference, 22-26 November 2004, Chiang Mai, Thailand, pp. 1384-1389. Shrestha, D. P., A. S. Soliman, A. Farshad and R. D. Yadav, 2005. Salinity mapping using geopedologic and soil line approach. In ACRS 2005: proceedings of the 26th Asian Conference on remote sensing, ACRS 2005, 7 – 11 November 2005, Hanoi, Vietnam. Harssema, S., D. P. Shrestha and D. Alkema, 2005. GIS-based surface runoff modeling and analysis of contributing factors: a case study of the Nam Chun Watershed, Thailand. Paper presented at the Asian Hydrological conference in Singapore. Shrestha, D. P., 2005. Land degradation studies with special reference to Thailand. In Brinkman (ed): Agro-ecological zoning and GIS application in Asia, with special emphasis on land degradation assessments in drylands (LADA); proceedings of a regional workshop, 10-14 November 2003, Bangkok, Thailand, Food and Agriculture Organization of the United Nations (FAO), 2005, pp. 43-52. Kuneepong, P., Patanakanok, A. Suchinai, A. Farshad, D. Shrestha and P. Kadeethum, 2005. Deforestation and land degradation in Thailand: case study in Nam Chun Sub-watershed, Phetchabun province, Thailand. Paper presented at the International Conference on Human Impact on Soil Quality Attributes in Arid and Semi-arid regions, Sept. 12-16, 2005, Isfahan, Iran. Moonjun, R., A. Farshad, D. P. Shrestha and C. Vaiphasa, 2008. Application of Artificial Neural Network and Decision Tree in a GIS-based Predictive Soil Mapping in Sloping Area: A Case Study of Hoi Num Rin Sub-watershed, Thailand. Paper Presented at DSM 2008 USA, 30 September, 3 October, 2008, Utah State University, Logan, Utah, USA Tonsiri, B., P. Kuneepong, A. Farshad , T. Arpauthaipong , 2008. Mapping Soils by application of Digital Terrain Model in Thailand . A case Study of the NamChun Sub-watershed, Phetchabun, Thailand. Paper presented at the Second International Conference on Cartography and GIS. January 21-24, 2008, Borovet, Bulgaria. Development of Methodologies for Land Degradation Assessment Applied to Land Use Planning in Thailand ^go to top