Improving water resources management using participatory monitoring in a remote mountainous region of Nepal

Uprety, Madhab; Ochoa‐Tocachi, B. F.; Paul, Jonathan; Regmi, Santosh; Buytaert, Wouter

doi:10.1016/j.ejrh.2019.100604

Cited by 16 publications

(17 citation statements)

References 24 publications

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“…A large number of applications in civil engineering relate to groundwater flow, such as slope stability [21][22][23]; surface/subsurface soil erosion and sediment transport [24][25][26]; dam safety, including piping under and through dams [27][28][29][30][31][32]; groundwater contamination [33][34][35][36]; stability of artificially freezing ground [37,38]; sustainable management of water resources [39][40][41][42]; interaction between groundwater and surface water [43,44]; and karst collapse pillars [45][46][47].…”

Section: Introductionmentioning

confidence: 99%

Seepage Velocity: Large Scale Mapping and the Evaluation of Two Different Aquifer Conditions (Silty Clayey and Sandy)

et al. 2020

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Seepage velocity is a very important criterion in infrastructure construction. The planning of numerous large infrastructure projects requires the mapping of seepage velocity at a large scale. To date, however, no reliable approach exists to determine seepage velocity at such a scale. This paper presents a tool within ArcMap/Geographic Information System (GIS) software that can be used to map the seepage velocity at a large scale. The resultant maps include both direction and magnitude mapping of the seepage velocity. To verify the GIS tool, this study considered two types of aquifer conditions in two regions in Iraq: silty clayey (Babylon province) and sandy (Dibdibba in Karbala province). The results indicate that, for Babylon province, the groundwater flows from the northwest to southeast with a seepage velocity no more than 0.19 m/d; for the Dibdibba region, the groundwater flows from the west to the east with a seepage velocity not exceeding 0.27 m/d. The effectiveness of the presented tool in depicting the seepage velocity was thus demonstrated. The accuracy of the resultant maps depends on the resolution of the four essential maps (groundwater elevation head, effective porosity, saturated thickness, and transmissivity) and locations of wells that are used to collect the data.

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Section: Introductionmentioning

confidence: 99%

Seepage Velocity: Large Scale Mapping and the Evaluation of Two Different Aquifer Conditions (Silty Clayey and Sandy)

et al. 2020

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“…Modern research confirms that some lakes on the planet are changing their area, while others are re-emerging or increasing in size [1,2]. Before proposing ways in which sustainable water resources management (SWM) can be achieved at the regional level, the hydrology of the catchment and the local variability of flow must be clarified [3].…”

Section: Introductionmentioning

confidence: 99%

Remote sensing data for monitoring water mirror of lake ecosystems

Ufimtseva¹,

Kuznetsov²

2023

E3S Web Conf.

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The paper describes the methodology of using remote sensing data and obtains results that enable to assess the condition of lake ecosystems, the impact of climate and human activity on them. The lakes of the Uporovsky district during the study period of observation decreased the total area of the water mirror by 2.78 km2. Water mirror was caused by intensive overgrowth of hydrophytes and evaporation associated with the increase in the sum of average temperatures by 80°С in the period from 2011 to 2022. This study may be useful for understanding the complex hydrological impacts due to climate/land use change for management decisions on a regional scale.

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“…The changes in temperature intensity and precipitation pattern have a direct influence on the quantity of evapo-transpiration and runoff [7,8]. Consequently, the spatial and temporal water resource availability will be negatively affected, which will have serious repercussions on major sectors such as agriculture, industry and urban development [9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Contemporary Trends in High and Low River Flows in Upper Indus Basin, Pakistan

Yaseen

Latif

Waseem

et al. 2022

Water

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The Upper Indus Basin (UIB) features the high mountain ranges of the Hindukush, Karakoram and Himalaya (HKH). The snow and glacier meltwater contribution feeds 10 major river basins downstream including Astore, Gilgit, Hunza, Jhelum, Kabul, Shyok and Shigar. Climate change is likely to fluctuate the runoff generated from such river basins concerning high and low streamflows. Widening the lens of focus, the present study examines the magnitude and timing of high flows variability as well as trends variability in low streamflows using Sen’s slope and the Mann-Kendall test in UIB from 1981 to 2016. The results revealed that the trend in the magnitude of the high flows decreased at most of the sub-basins including the Jhelum, Indus and Kabul River basins. Significantly increased high flows were observed in the glacier regime of UIB at Shigar and Shyok while decreased flows were predominant in Hunza River at Daniyor Bridge. A similar proclivity of predominantly reduced flows was observed in nival and rainfall regimes in terms of significant negative trends in the Jhelum, Kunhar, Neelum and Poonch River basins. The timing of the high flows has not changed radically as magnitude at all gauging stations. For the low flows, decreasing significant trends were detected in the annual flows as well as in other extremes of low flows (1-day, 7-day, 15-day). The more profound and decreasing pattern of low flows was observed in summer at most of the gauging stations; however, such stations exhibited increased low flows in autumn, winter and spring. The decrease in low flows indicates the extension of dry periods particularly in summer. The high-water demand in summer will be compromised due to consistently reducing summer flows; the lower the water availability, the lower will be the crop yield and electricity generation.

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Improving water resources management using participatory monitoring in a remote mountainous region of Nepal

Cited by 16 publications

References 24 publications

Seepage Velocity: Large Scale Mapping and the Evaluation of Two Different Aquifer Conditions (Silty Clayey and Sandy)

Seepage Velocity: Large Scale Mapping and the Evaluation of Two Different Aquifer Conditions (Silty Clayey and Sandy)

Remote sensing data for monitoring water mirror of lake ecosystems

Contemporary Trends in High and Low River Flows in Upper Indus Basin, Pakistan

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