Kaoru Treasure Takara

• D.Eng. (Kyoto Univ.)
• Head of Faculty at Kyoto University

The concepts notes were developed to facilitate discussion among various stakeholders gathered from around the world to share information on their ongoing research activities and current research projects, find collaborative activity partners, showcase research achievements, and challenge further improvements to disaster risk reduction and resilien...

Urban flooding has become an increasingly frequent and fatal natural hazard and numerical modeling techniques play a vital role in its prediction and management. We review urban flood numerical simulations by systematically summarizing the calculation methods of surface runoff, drainage systems, and coupled models. Following the review, accuracy an...

Predicting extreme storm and flood events requires analysis to predict probable rainfall in target years. We present a non-stationary frequency analysis for 6 meteorological stations in Korea and Japan: Gangneung, Kwangju, Pohang, Seoul, Kochi, Iida. Non-stationary analysis results in higher estimated rainfall than stationary analysis for all stati...

The upper Indus River basin has large masses of glaciers that supply meltwater in the summer. Water resources from the upper Indus River basin are crucial for human activities and ecosystems in Pakistan, but they are vulnerable to climate change. This study focuses on the impacts of climate change, particularly the effects of receding glaciers on t...

Hydrologic frequency analysis provides basic information for the planning, design, and management of hydraulic and water resources systems for promoting the river basin quality and human health. It uses meteorological/hydrological extreme-value data and probability distribution functions to estimate T-year events (quantiles). Reviewing the history...

This chapter focuses on group discussion sessions targeting the Priority Areas of the Sendai Framework for Disaster Risk Reduction 2015–2030. Day one group discussion session efforts were on Priority Area One—Understanding Disaster Risks; and Day two emphasis was on Priority Areas 2, 3 and 4.

The Sendai Landslide Partnerships 2015–2025 was proposed and adopted as a voluntary commitment to the Sendai Framework for Disaster Risk Reduction. The Partnerships was signed by 22 global stakeholders committing to contribute to landslide disaster risk reduction. Under the Partnerships, ICL published a full color open access book “ISDR-ICL Sendai...

The International Consortium on Landslides (ICL) was founded at the UNESCO-Kyoto University joint Symposium in January 2002. The ICL also decided to create the International Programme on Landslide (IPL) and a new international journal Landslides in the foundation meeting in 2002. The ICL was registered as a legal body under Japanese law in 2002 as...

The landslides are considered as one of the most dangerous natural disasters and can cause catastrophic influence on society. Therefore, improving the effectiveness of landslide early warning systems is an urgent requirement. The heavy and/or prolonged rainfall is the main factor that has triggered most of the landslide events. In this study, we pr...

UNITWIN is the abbreviation for the university twinning and networking scheme. This UNESCO programme was established in 1992. During ICL foundation meeting in January 2002, participants from UNESCO advised to link the planned International Programme on Landslides (IPL) to one of UNESCO Programme for the promotion and the authorization. Then, ICL ap...

This book is a part of ICL new book series “ICL Contribution to Landslide Disaster Risk Reduction” founded in 2019. Peer-reviewed papers submitted to the Fifth World Landslide Forum were published in six volumes of this book series. This book contains the following parts: • Impact of Large Ground Deformations near Seismic Faults on Critically Impo...

This book is a part of ICL new book series “ICL Contribution to Landslide Disaster Risk Reduction” founded in 2019. Peer-reviewed papers submitted to the Fifth World Landslide Forum were published in six volumes of this book series. This book contains the followings: • One theme lecture and one keynote lecture • Monitoring and remote sensing for l...

This book is a part of ICL new book series “ICL Contribution to Landslide Disaster Risk Reduction” founded in 2019. Peer-reviewed papers submitted to the Fifth World Landslide Forum were published in six volumes of this book series. This book contains the followings: • Four Forum lectures and one award paper • Sendai Landslide Partnerships, Kyoto L...

This book is a part of ICL new book series “ICL Contribution to Landslide Disaster Risk Reduction” founded in 2019. Peer-reviewed papers submitted to the Fifth World Landslide Forum were published in six volumes of this book series. This book contains the followings: Part I with topics is mainly about landslides and earthquakes; landslide dams and...

This book is a part of ICL new book series “ICL Contribution to Landslide Disaster Risk Reduction” founded in 2019. Peer-reviewed papers submitted to the Fifth World Landslide Forum were published in six volumes of this book series. This book contains the followings: • Five keynote lectures • Recent development in physical modeling of landslides •...

This book is a part of ICL new book series “ICL Contribution to Landslide Disaster Risk Reduction” founded in 2019. Peer-reviewed papers submitted to the Fifth World Landslide Forum were published in six volumes of this book series. This book contains the followings: • Keynotes • Landslide detection, recognition and mapping • Landslide susceptibili...

The Himalayas have become synonymous with the hydropower developments for larger electricity demands of India’s energy sector. In the Himachal Himalayas though, there are only three large storage dams with more than 1000 megawatts (hereafter MW) capacity that have very serious environmental issues. However, hundreds of small runoff-river hydropower...

Apple cultivation is one of the most important sources of livelihood in Indian side of the Himalayas. The present study focuses on the apple orchards of Himachal Pradesh, a state within the Himalayan Mountains, a major apple producers of India. In the study, it is found that the optimum apple growing conditions in the region have been consistently...

Water is one of the leading drivers of sustainable development of human social economy (Steffen et al. 2015). With the fast development of economy and the growth of population, the demand of freshwater for human is growing rapidly, and water shortage is one of the major crises of the twenty-first century in the world (Pangare 2006; Pearce 2018; Pol...

Continued global warming has severely affected the spatiotemporal distribution of water resources and extreme climate events (Brown and Funk 2008; Coumou and Rahmstorf 2012; Hendrix and Salehyan 2012). For example, Oki and Kanae (2006) argued that the spatiotemporal of precipitation is very uneven, resulting in significant time-varying changes in w...

The importance of surface water quality in controlling the health of aquatic ecosystems, affecting drinking water resources, and human health is increasingly recognized. Nutrients (mainly nitrogen and phosphorus) are essential for the life of animals and plants, but high concentrations cause many ecological problems (Carpenter et al. 1998; Li et al...

Water, land, and energy resources are critical to food security and ultimately to sustainable socio-economic development (Ellabban et al. 2014; Liu et al. 2018; Mohtar et al. 2019). Globally, water withdrawals and water use for food production account for 70 and 90% of total water withdrawals, respectively, (AQUASTAT 2016) and about 10% accounted f...

Changes in extreme weather and climate extremes have a major negative impact on the natural environment and human society and are one of the most serious challenges to society in addressing climate change (2008).

In recent decades, extreme precipitation events have increased in frequency and magnitude over the world under climate change, causing more water-related disasters such as floods, droughts, tropical cyclones, landslides, and tsunami (Amarnath et al. in Global trends in water-related disasters using publicly available database for hazard and risk as...

Water scarcity is the lack of freshwater resources to meet the ever-increasing demand for water, which has been the focus of increasing international, national, and local concern and debate.

Shallow landslides have posed significant threats to humans around the world. In order to reduce landslide disaster risk, the effectiveness of early warning systems and hazard zonation work needs to be improved. This research attempted to couple a landslide simulation model (LS-RAPID model) and a hydrological model (Rainfall-Runoff-Inundation (RRI)...

The sustainable and efficient use of water is of vital importance, and the uneven distribution of water in the world means that it is especially important for water-scarce countries. Egypt is an arid country with an ancient civilization and a long history that was and remains dependent on the trans-boundary water resources of the Nile River. Histor...

Precipitation, as a primary hydrological variable in the water cycle plays an important role in hydrological modeling. The reliability of hydrological modeling is highly related to the quality of precipitation data. Accurate long-term gauged precipitation in the Mekong River Basin, however, is limited. Therefore, the main objective of this study is...

With the rapid increase of world population, the global water shortage is set to be the major crises of the twenty-first century; that is, population dynamics (growth, age distribution, urbanization and migration) create pressures on freshwater resources due to the increased water demands and pollution. Moreover, water resources management faces a...

For effective responses to flood disasters, it is essential to identify affected areas in real time. Recently, social media (e.g. Twitter) have emerged as new sources of disaster-related information in real time. However, concerns still remain regarding the trustworthiness and the amount of information, especially that issued from a site of crisis....

Abstract: In Sumatra in Indonesia, large-scale plantations of oil palm and acacia trees have caused 50 % reduction of natural forests in the 25 years between 1985 to 2009. Both climate and land cover changes may impact on regional water cycle, which potentially leads to increase the risk of flood and drought Hydrologic process understandings and th...

Understanding long-term trends in hydrological and climatic variables is of high significance for sustainable water resource management. This study focuses on the annual and seasonal trends in precipitation, temperature, potential evapotranspiration, and river discharge over the Kamo River basin from the hydrological years 1962 to 2017. Homogeneity...

The territory of Azad Jammu and Kashmir (AJK) is vulnerable to different natural hazards because of its proximity to a geo-dynamically active zone and its tropical and monsoonal climatic pattern. Both factors operate in various combinations and result in the occurrence of disasters generated by natural hazards like floods, earthquakes, and landslid...

For efficient and targeted management, this study demonstrates a recently developed non-point source (NPS) pollution model for a year-long estimation in the Pingqiao River Basin (22.3 km²) in China. This simple but physically reasonable model estimates NPS export in terms of land use by reflecting spatial hydrological features and source runoff mea...

Satellite remote sensing has been used effectively to estimate flood inundation extents in large river basins. In the case of flash floods in mountainous catchments, however, it is difficult to use remote sensing information. To compensate for this situation, detailed rainfall–runoff and flood inundation models have been utilized. Regardless of the...

Most of hydrological models are developed for simulating river discharge in a temperate area with assumption of rainfall runoff process such as quick subsurface flow in a shallow soil layer in a temperate zone. However, there is not sufficient research on long-term rainfall runoff process considering a deep soil layer in a humid tropical area. This...

A distributed runoff model is composed of physically based element models and it is expected as to be applied for forecasting unprecedented flood disasters. However, vertical unsaturated flow in mountainous area has not sufficiently modeled in many distributed models. In this study, we observed water content and pore water pressure at Kiryu experim...

For effective emergency responses to flood disasters, estimating inundation depth distributions is crucial on the real-time basis. In the previous studies, the authors proposed a method to achieve this objective by assimilating preliminary conducted multiple inundation simulations and local flood related information. This study further improves the...

This paper describes interdisciplinary and transdisciplinary approaches inevitably necessary for effective disaster risk management, introducing examples involving the tsunami hazard map in Sendai, volcanic eruption in Iceland, and river flooding in Thailand. On the basis of the conversations conducted at the Global Forum on Science and Technology...

The Hyogo Framework for Action, which was adopted in 2005, promotes the creation and strengthening of national platforms designated as national integrated disaster risk reduction (DRR) mechanisms. The Sendai Framework for Disaster Risk Reduction 2015–2030 (the Sendai Framework) emphasizes the role played by science and technology in DRR decision-ma...

This paper describes interdisciplinary and transdisci-plinary approaches inevitably necessary for effective disaster risk management, introducing examples involving the tsunami hazard map in Sendai, volcanic eruption in Iceland, and river flooding in Thailand. On the basis of the conversations conducted at the Global Forum on Science and Technology...

Flash floods have long been common in Asian cities, with recent increases in urbanization and extreme rainfall driving increasingly severe and frequent events. Floods in urban areas cause significant damage to infrastructure, communities and the environment. Numerical modelling of flood inundation offers detailed information necessary for managing...

Although agricultural production is highly vulnerable to climatic disasters as being located in low-lying river deltas, the data and information about its damages caused by flooding are far limited and scattered. Therefore, this study proposes an integrated approach, combining 1D simulation, GIS based land use analysis, intensive household survey a...

近年、世界各地で、猛暑や豪雪、ハリケーンや台風、竜巻、ゲリラ豪雨、干ばつ等が頻発しています。また、大地震や火山噴火による被害も立て続けに起こり、地球環境変動や防災・減災に国際的な注目が集まっています。自然の営みとその変動を注意深く見守り、狭い意味での防災・減災だけでなく、社会のあり方や自然災害観そのものを見直さなくてはなりません。国際的にも災害に対するレジリエンス（しなやかな回復力）の重要性が指摘され、国連は２０１５年にSDGs（Sustainable Development Goals：持続可能な開発目標）を掲げました。２０１８年に文部科学省から告示された新学習指導要領においては、高等学校の教育内容が大幅に見直され、ESD（Education for Sustainable Develop...

Extreme heavy rainfall due to Typhoon Talas on September 2–4, 2011 in the Kii Peninsula, Japan, triggered numerous floods and landslides. This study investigates the mechanism and the entire process of rainfall-induced deep-seated landslides forming two massive dams in the Kuridaira and Akatani valleys, respectively. The mechanism of the rapid deep...

A large-scale landslide near the Aratozawa dam reservoir was occurred when the 2008 Iwate-Miyagi Nairiku earthquake with magnitude of 7.2 hit the area of Mount Kurikoma in Miyagi Prefecture of Japan. The epicenter of the earthquake was located about 10 km northeast part of Mount Kurikoma, at the border between Miyagi Prefecture and Iwate Prefecture...

Sassa and others in the International Consortium on Landslides (ICL) have developed a new series of undrained ring-shear apparatus (ICL-1 and ICL-2) for two projects of the International Programme on Landslides (IPL-161 and IPL-175). Both projects are supported by the Science and Technology Research Partnership for Sustainable Development Program (...

On August 20, 2014 many landslides and debris flows occurred in Hiroshima city during the heavy rainfall. Ring shear apparatus (ICL-1) was used to simulate the failure of soils, the formation of sliding surfaces and the steady-state motion of Hiroshima landslide disasters. Samples were taken from source area in Midorii and Yagi district. The ring s...

In September 2011, heavy rainfall brought by Typhoon Talas triggered 72 large-scale deep-seated landslides in Nara and Wakayama Prefectures, the Kii Peninsula, Japan. Most investigated landslides on the gravitationally deformed slopes were preceded by pre-existing small scarps along or near the head of the slopes. This study seeks to clarify the me...

Urban green space is an asset to a city. It facilitates social interactions, health and wellbeing, recreation and alternate livelihoods. If created, nurtured and enhanced, urban green space can extend the resilience and security of energy, health, water, food, and biodiversity systems. Urban green spaces are an alternative or complementary alternat...

Real-time information on flood inundation is essential for safe evacuations and appropriate counter measures. In current practices, local information obtained through emergency inspections, flood fightings or reports from residents are used for estimating the flood conditions; however, the effective use of such sporadic local information is a chall...

Distributed hydrogical models have been developed which simultanouesly analyse rainfall-runoff process and inundation process within a whole basin. This study proposes a data assimilation method of river water levels using optimal interpolation, aiming the real-time utilization of these models. This method estimates background error covariance matr...

Recent field hydrologic studies revealed that groundwater in weathered bedrock contributes to runoff variabilities. Followed by the findings, distributed runoff models which simulate bedrock groundwater have been also developed. However, efficient modeling of the infiltration processes in unsaturated zone has not been achieved in the distribution r...

This paper examines the effect of inundation mapping utilizing local flood information obtained in Joso city and the surrounding area, which were damaged by the Kanto-Tohoku torrential rainfall in September 2015. The mapping method assimilates a number of preliminary conducted inundation simulation results and flood-related information from the loc...

In the tropical regions, demand of oil palm plantations makes a tropical region more vulnerable for floods. However, there is still a lack of research on flood analysis in a humid tropical river basin with deep weathered soil layer. This study examines three simulation conditions using RRI model; default parameter with 1m soil layer (Case 1); Case...

In most developing countries, a water use shift to urban centers and the tourism industry, is often implemented to increase total economic welfare. The shift in water use and lack of water availability due to spatial and seasonal variabilities often create social tensions and become a source of conflicts among sectors. This study focuses on Bali (I...

Highlights: • Hourly simulated extreme freshwater outflows were integrated with JCOPE-T ocean model. • Projection of coastal Sea Surface Salinity (SSS) was improved with freshwater input. • Decreased SSS results corresponded well with increased observed Chl-a concentrations. • Extreme freshwater outflows significantly affect SSS distribution in the...

The importance of water quantity for domestic and industrial water supply, agriculture, and the economy more broadly has led to the development of many water quantity assessment methods. In this study, surface flow and soil water in the forested upper reaches of the Yoshino River are compared using a distributed hydrological model with Forest Maint...

The World Landslide Forum is a triennial mainstream conference that gathers together the scientific and technological community, policymakers, industry actors, public officials, and other stakeholders, who deal with the understanding and management of landslide disaster risk. The establishment of the ISDR-ICL Sendai Partnerships 2015–2025 for Globa...

In this study we discuss probabilistic forecasts of Citarum River streamflow, which supplies 80 % of the water demands in Jakarta, Indonesia, based on general circulation model (GCM) output, for the September–November (SON) season. Retrospective forecasts of precipitation made over the period 1982–2010 with two coupled-ocean atmosphere GCMs, initia...

Haivan Station is an important station on the North-South railway line in central Vietnam. Field investigation has identified a precursor stage of a landslide that would threaten this railway. Therefore, a landslide susceptibility assessment for Haivan Station was urgently needed to protect passenger safety and the national railway. Conducted inves...

Evidence for climate change impacts on the hydro-climatology of Japan is plentiful. The objective of the present study was to evaluate the impacts of possible future climate change scenarios on the hydro-climatology of the upper Ishikari River basin, Hokkaido, Japan. The Soil and Water Assessment Tool was set up, calibrated, and validated for the h...

This issue of the WATERLAT-GOBACIT Network Working Papers includes six contributions. The first article, by Mark Drakeford, presents a historical analysis of the changing arrangements for the provision of essential water and sanitation services in Wales. The second article, by Ross Beveridge, discusses the troubled process that characterized the pr...

The Global Alliance of Disaster Research Institutes held its 3rd Global Summit of Research Institutes for Disaster Risk Reduction at the Disaster Prevention Research Institute, Kyoto University, Japan, 19–21 March, 2017. The Global Alliance seeks to contribute to enhancing disaster risk reduction (DRR) and disaster resilience through the collaborat...

The objective of this study is to assess the characteristic of Minami-Aso landslide and try to simulate its mechanism and motion. The soil shear parameters necessary were obtained from laboratory experiment by means of undrained ring shear apparatus ICL-2 version. Seismic loading tests was carried out in the ring shear apparatus using the 2016 Kuma...

A suite of extreme indices derived from daily precipitation and streamflow was analysed to assess changes in the hydrological extremes from 1951 to 2012 in the Kamo River Basin. The evaluated indices included annual maximum 1-day and 5-day precipitation (RX1day, RX5day), consecutive dry days (CDD), annual maximum 1-day and 5-day streamflow (SX1day,...

UNITWIN is the abbreviation for the university twinning and networking scheme. This UNESCO programme was established in 1992. During ICL foundation meeting in January 2002, participants from UNESCO advised to link the planned International Programme on Landslides (IPL) to one of UNESCO Programme for the promotion and the authorization. Then, ICL ap...

This article describes an outline of the Disaster Prevention Research Institute (DPRI), which was established in Kyoto University in 1951, including its mission and objectives in terms of research, education and social contributions. Brief history of DPRI, as well as that of Research Centre on Landslides (RCL), is also given in relation with domest...

The Akatani landslide triggered by heavy rainfall during Typhoon Talas on 4 September 2011 is one of 72 deep-seated catastrophic rock avalanches in Kii Peninsula, Japan. The landslide is about 900 m in length, 350 m in average width and 66.5 m of maximum depth of the sliding surface. A rapid movement of the landslide was downward the opposite valle...

The deep large-scale landslide near Aratozawa Dam in Miyagi Prefecture of Japan was occurred in 2008 and still the initiation mechanism and motion behavior were not explained in detail up to now. This paper aims to report briefly the detail study of the Aratozawa landslide. We conducted several experiments to test the Aratozawa samples using the ne...

Low impact development (LID) has attracted growing attention as an important approach for urban flood mitigation. Most studies evaluating LID performance for mitigating floods focus on the changes of peak flow and runoff volume. This paper assessed the performance of LID practices for mitigating flood inundation hazards as retrofitting technologies...

From 26–28 July, heavy rainfall occurred in Quang Ninh province causing flooding, debris flows and landslides. It was the largest disaster triggered by torrential rainfall in Vietnam in 2015. The immediate economic loss in Quang Ninh is estimated to be about VND 2000 billion (US$92 million). Seventeen people were reported dead, 1,459 households wer...

Time of concentration Tc is defined as the wave travel time from the most hydraulically remote point to the point of study. Tc is an important element in hydrological studies, especially in drainage system designs and the estimations of flood arrival time. The common approach in the estimation of Tc is based on Kinematic Wave (KW) approximation for...

Since hydrologic drought is a slowly developing phenomenon, it may be possible to forecast low flow conditions, especially in areas with long dry seasons. This study proposes hydrological drought forecasting methods based on two stream flow recession analyses. The first one is based on a recursive digital filters for baseflow separation and recessi...

Resilient community is achieved when each member takes responsibility on managing and consuming resources it has. In Malaysia, water demand increases as the public consumption increases. Low water tariff currently charged to the public has been identified to contribute towards public's inefficient water use. The literature suggests high tariff as a...

Demands for seawater desalination facilities are increasing all over the world with population increase and economic development. It is important to evaluate the effectiveness of the facilities with respect to water supply and social benefit according to the reduction of drought damages by considering changes in population and water use per capita...

Non-point source pollution contribution is one of the major causes of water quality degradation in Chinese rivers and lakes. This research proposes a non-point source pollution modelling based on hydrograph separation by a distributed hydrological model and Time-Space Accounting Scheme. This method simulates spatially exported non-point source poll...

The Iwate-Miyagi inland earthquake with magnitude of 7.2 on 14 June 2008 in Tohoku region of Japan resulted in more than 4,000 landslides. The deep large-scale landslide near Aratozawa Dam in Ohu Mountains of Miyagi Prefecture occurred shortly after the earthquake. In this paper, landslide geotechnical simulation with high normal stress and pore-wa...

Based on 169 stations, annual, seasonal and monthly precipitation trends for the northern Japanese island of Hokkaido were analysed for the period 1980-2011 using the Mann-Kendall test and geostatistical interpolation techniques. Possible association with water vapour flux was explored using ERA-Interim reanalysis data. Precipitation increased in H...

In physics, objects can be divided into rigid and soft objects according to the object deformation capacity. Similarly, geo-object can also be classified into rigid geo-objects (e.g., building, urban) and soft geo-objects (e.g., mudflow, water, soil erosion). There are three types of approaches for 3D GIS modeling, i.e., surface-based, volume-based...

Around hundred landslides were triggered by the Kumamoto earthquakes in April 2016, causing fatalities and serious damage to properties in Minamiaso village, Kumamoto Prefecture, Japan. The landslides included many rapid and long-runout landslides which were responsible for much of the damage. To understand the mechanism of these earthquake-trigger...

The deep large-scale landslide near Aratozawa Dam of Miyagi Prefecture in Japan was occurred due to main shock of the Iwate-Miyagi inland earthquake on 14 June 2008. The earthquake magnitude reached 7.2 which results a huge mass movement close to the Aratozawa reservoir. Study on the Aratozawa landslide is necessary in order to understand and clari...

Flood management is more and more adopting a risk based approach. This paper presents an outline approach and methodology for assessing flood hazard and social vulnerability and whereby, to deliver flood risk curve (FRC) of selected frequencies of 10%, 5%, 2% and 1% and then social annual risk in terms of people at risk, injuries and fatalities. An...

According to an observation record, long-term discharge at Fukakusa station in the Kamo River basin has been decreasing, which may affect water-related landscapes and the ecosystem. This study conducts a forensic analysis to investigate the dominant reasons for the streamflow reduction and attempt to quantify the contribution of each factor based o...

The spatial depth distribution of flood inundation, caused by 2015.09 Kanto-Tohoku heavy rainfall, was estimated at the lower part of the Kinu River basin. The presented procedure follows 1) to measure the elevations of flood marks (i.e. flood water levels) with a high spec GPS (at 35 locations in this study), 2) to spatially interpolate the measur...

Water is affecting many aspects of human life, either in good or bad way. Water supports human life and become source of growth but water also takesaway a lot of life which causes poverty. Water security itself means the capacity of population to harvest the benefits of water for human'slife and environment and to protect themselves from water-rela...

Annual and seasonal precipitation amounts and annual precipitation extreme indices for Japan were characterized for the period 1901–2012 using the Mann–Kendall Tau test, regional analysis, and probability distribution functions, and possible correlations with climate indices including the Atlantic Multidecadal Oscillation, the Pacific Decadal Oscil...

This study proposes a novel method that combines deterministic slope stability model and hydrological approach for predicting critical rainfall-induced shallow landslides. The method first uses the slope stability model to identify “where” slope instability will occur potentially; the catchment is characterized into stability classes according to c...

The hydrological stream flow modeling is applied by the Soil for Water Assessment Tool (SWAT) model in the Xedone River basin, covering an area of 7,224.61 km2, in the southern part of Laos. The main objective of this research is to test the performance and feasibility of the SWAT model for predicting stream flow in the river basin. The model is ca...