Study on Relationship of Land Cover Changes and Ecohydrological Processes of the Tuul River Basin

The Tuul River Basin is the most important socioeconomic and political base area of Mongolia. Therefore, studying interrelationships between changes in ecohydrological processes this basin its land cover great importance for maintaining sustainability environment. This study investigated annual average air temperature, total precipitation, river discharge variability, at selected stations by using hydrometeorological analysis, satellite determination statistical analysis. During period, temperature rose from −1.5 °C to +0.3 (1.8 361 °C). precipitation exhibits relatively low change during period. varied A significant decreasing trend was observed Terelj (φ = −2.72) Ulaanbaatar −5.63) stations, whereas other Altanbulag, Lun, Orkhontuul, showed a increasing trend. were directly related main parameters. Between 2000 2020, amount grassland decreased 319.67 km2, while water bodies increased 28.36 km2. In area, mainly sensitive areas types changed due precipitation. Studies arid semiarid regions Central Asia show that have impact on changes.