Quantifying basin-scale changes in groundwater storage using GRACE and one-way coupled hydrological and groundwater flow model in the data-scarce Bandung groundwater Basin, Indonesia

Rusli, Steven Reinaldo; Bense, Victor; Taufiq, Ahmad; Weerts, Albrecht

doi:10.1016/j.gsd.2023.100953

Cited by 10 publications

(4 citation statements)

References 75 publications

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“…We use (a) SoilGrids database (Hengl et al, 2017) for soil-related parameters estimation, (b) Monthly Leaf Area Index climatology for daily interception calculation (Gash, 1979), (c) MERIT-DEM dataset (Yamazaki et al, 2017) for river network delineation (Eilander et al, 2020), and (d) vito land use map (Buchhorn et al, 2020) for deriving land-use related parameters. The M axLeakage parameter is calibrated by optimizing the KGE value between the observed and the simulated discharge (Rusli et al, 2023a).…”

Section: Bias Adjustment and Statistical Downscaling Methods Of Isimip3bmentioning

confidence: 99%

“…For the groundwater abstraction projection, we consider three diverging scenarios where the groundwater abstraction (a) increases, (b) stays constant, and (c) decreases in the future. Meanwhile, the groundwater abstraction during the baseline period is set according to estimates from our previous studies (Rusli et al, 2023a), increasing annually from 300 Mm 3 per year in 2005 to 495 Mm 3 per year in 2020. For all boundary conditions, the groundwater abstraction is distributed horizontally based on land use and vertically based on domestic/industrial water demand classification.…”

Section: Groundwater Abstraction Scenariosmentioning

confidence: 99%

“…the field, laboratory tests, and private company reports. They were then recalibrated by minimizing the difference between the simulated and the observed groundwater table (Rusli et al, 2023a). The K h of the upper and the lower aquifer are found in relatively similar ranges between 0.15 and 0.58 meter per day, as they are formed by a solitary geological formation.…”

Section: Groundwater Flow Model Setupmentioning

confidence: 99%

“…The storage parameters are obtained from private company pumping test reports, and the river-related parameters were previously calibrated for steady-state conditions. The initial condition is defined by our previous simulation results (Rusli et al, 2023a).…”

Section: Groundwater Flow Model Setupmentioning

confidence: 99%

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The impact of future climate projections and anthropogenic activities on basin-scale groundwater availability

Rusli,

Bense,

Mustafa

et al. 2024

Preprint

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Abstract. Groundwater is under the pressure of changing climate and increasing anthropogenic demand. In this study, we project the effect of these two processes on the projected future groundwater status. Climate projections of Representative Concentration Pathway (RCP) 4.5 and RCP8.5 from the Coupled Model Intercomparison Project Phase 6 (CMIP6) drive a one-way coupled fully distributed hydrological and groundwater model. In addition, three plausible groundwater abstraction scenarios with diverging predictions from increasing, constant, to decreasing volumes and spatial distribution are used. Groundwater status projections are assessed for the short-term (2030), mid-term (2050), and long-term (2100) periods. We use the Bandung groundwater basin as our study case, located 120 km from the current capital city of Indonesia, Jakarta, which is currently under a relocation plan. It is selected as the future anthropogenic uncertainties in the basin, related to the projected groundwater abstraction, is in agreement with our developed scenarios. Results show that changes in the projected climate input, including intensifying rainfall and rising temperature, do not propagate notable changes in groundwater recharge. Under the current unsustainable groundwater abstraction rate, the confined piezometric heads are projected to drop up to a maximum of 7.14 m, 15.25 m, and 29.51 m in 2030, 2050, and 2100, respectively. When groundwater abstraction expands in proportion to the present population growth, the impact is worsened almost two-fold. In contrast, if the groundwater abstraction decreases because of the relocated capital city, the groundwater storage starts to show replenishment potential. As a whole, projected groundwater status changes are dominated by anthropogenic activity, and less so by changes in climatic forcing. The results of this study are expected to demonstrate and inform responsible parties in operational water management on the issue of the impact of projected climate forcing and anthropogenic activity on future groundwater status.

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Section: Bias Adjustment and Statistical Downscaling Methods Of Isimip3bmentioning

confidence: 99%

Section: Groundwater Abstraction Scenariosmentioning

confidence: 99%

Section: Groundwater Flow Model Setupmentioning

confidence: 99%

Section: Groundwater Flow Model Setupmentioning

confidence: 99%

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The impact of future climate projections and anthropogenic activities on basin-scale groundwater availability

Rusli,

Bense,

Mustafa

et al. 2024

Preprint

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Development of a coupled surface water–groundwater model for the spatiotemporal simulation of river–aquifer interactions

Al‐Suraifi,

Shirinabadi,

Rabiefar

et al. 2024

Irrigation and Drainage

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Integrating surface and groundwater use is a crucial part of water management. When one type of water is depleted, the other follows suit because of the constant movement and interaction between them. Therefore, the primary objective of this research is to establish a method by which the water evaluation and planning system (WEAP) surface water model and the MODFLOW groundwater model can communicate with one another. This article aims to demonstrate the interdependence of groundwater and surface water. Here, we use MODFLOW to model the saturated soil region and the soil moisture method to model the unsaturated soil region. The interaction between surface water and groundwater will affect the region's water resources and how they will operate under the continuance of existing practices. The simulation of saturated and unsaturated soil zones using a connected model of surface and groundwater employing all the hydroclimatology balance components is one of the most significant accomplishments of this research. The findings show that the (Iran) Sonqor Plain's maximum aquifer recharge throughout the months of November to May during a period of 30 years (October 1991 to September 2020) ranges between 1.5 and 2.6 million m³. A lack of recharge from irrigation water infiltration occurs in some of these months in addition to rain. The highest rate of groundwater level increase in this area is 4.5 m yr⁻¹ as a result of the distribution of irrigation water provided from the dam in the north‐western region.

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Optimization of Integrated Operation of Surface and Groundwater Resources using Multi-Objective Grey Wolf Optimizer (MOGWO) Algorithm

Torabi,

Yosefvand,

Shabanlou

et al. 2024

Water Resour Manage

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Quantifying basin-scale changes in groundwater storage using GRACE and one-way coupled hydrological and groundwater flow model in the data-scarce Bandung groundwater Basin, Indonesia

Cited by 10 publications

References 75 publications

The impact of future climate projections and anthropogenic activities on basin-scale groundwater availability

The impact of future climate projections and anthropogenic activities on basin-scale groundwater availability

Development of a coupled surface water–groundwater model for the spatiotemporal simulation of river–aquifer interactions

Optimization of Integrated Operation of Surface and Groundwater Resources using Multi-Objective Grey Wolf Optimizer (MOGWO) Algorithm

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