Tiếng ViệtOn 25th Sep. 2018, at ECIT, Queen’s University Belfast, UK, a seminar on “Impact of Climate Change on Meteorological, Hydrological, and Agricultural Droughts in the Lower Mekong River Basin: A Case Study of the Srepok Basin, Vietnam” will be given by Dr. Dao Nguyen Khoi from Faculty of Environment, VNUHCM University of Science, Ho Chi Minh City, Vietnam.
Abstract: The objective of this study is to assess future changes in meteorological, hydrology, and agricultural droughts under the impact of changing climate in the Srepok River Basin, a sub-basin of LMB, using three drought indices; standardized precipitation index (SPI), standardized runoff index (SRI), and standardized soil moisture index (SSWI). The well-calibrated Soil and Water Assessment Tool (SWAT) is used as a simulation tool to estimate the features of meteorological, hydrological and agricultural droughts. The climate data for the 2016-2040 period obtained from four different regional climate models; HadGEM3-RA, SNU-MM5, RegCM4, and YSU-RSM, which are downscaled from the HadGEM2-AO GCM. The results show that the severity, duration, and frequency of droughts are predicted to increase in the near future for this region. Moreover, the meteorological drought is less sensitive to climate change than the hydrological and agricultural droughts; however, it has a stronger correlation with the hydrological and agricultural droughts as the accumulation period is increased. These findings may be useful for water resources management and future planning for mitigation and adaptation to the climate change impact in the Srepok River Basin. Keywords: Climate change, drought, hydrology, SWAT model, Srepok River Basin.
Biography: Dao Nguyen Khoi got a PhD’s degree in integrated river basin management from University of Yamanashi, Japan in March 2013. He has then joined VNUHCM University of Science since April 2013 as a lecturer of Faculty of Environment. His work responsibilities in the university are giving lectures and supervising research to graduate and undergraduate students. His work involves impacts of climate change and human activities on eco- and social-hydrology at catchment scale, estimation of future changes in climate and hydrological extremes and estimation of the associated uncertainties. He has conducted several projects funded by VNU-HCM and NAFOSTED, and published several peer-reviewed articles related to these topics.
