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. 2023 Feb 23;9(3):e13966.
doi: 10.1016/j.heliyon.2023.e13966. eCollection 2023 Mar.

Groundwater potential mapping in Jashore, Bangladesh

Kaniz Fatema  1 , Md Ashikur Rahman Joy  1 , F M Rezvi Amin  1 , Showmitra Kumar Sarkar  1
Affiliations

Groundwater potential mapping in Jashore, Bangladesh

Kaniz Fatema et al. Heliyon. .

Abstract

The global groundwater crisis is a perplexing issue, and for its resolution, it is of the utmost importance for delineating groundwater potential zones. This research aims to create a precise groundwater potential map for Bangladesh's Jashore district by combining geospatial approach and an analytical hierarchy process. Fourteen parameters, namely, lineament density, drainage density, land use and land cover, slope, curvature, topographic position index, topographic wetness index, rainfall, geology, roughness, fractional impervious surface, topsoil texture, soil permeability, and general soil types, were considered for the study after an extensive literature review. The weights of these parameters were determined using an analytical hierarchy process, and the scores of each sub-parameter were assigned based on published literature. The final groundwater potential map was then generated using the weighted overlay analysis tool in ArcGIS 10.3 and categorized into five classes. The analysis reveals that very high, high, moderate, low, and very low groundwater potential zones cover 3.96 km2 (0.16%), 444.75 km2 (17.72%), 1615.51 km2 (64.37%), 441.79 km2 (17.60%), and 3.59 km2 (0.14%) of the study area, respectively. The map removal sensitivity analysis shows that geology is the most significant element in groundwater potential zoning, followed by land use and land cover (LULC), slope, and topsoil texture as moderately sensitive elements. Since the groundwater potentiality zones of the study region are clearly delineated, this research may be valuable for implementing an appropriate water resource management strategy.

Keywords: Analytical hierarchy process; Bangladesh; Geographic information system; Groundwater potential zone; Remote sensing.

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Conflict of interest statement

The authors declare no competing interests.

Figures

Fig. 1
Fig. 1
Map showing study area.
Fig. 2
Fig. 2
Flowchart of the methodology.
Fig. 3
Fig. 3
Spatial variations of slope, geology, drainage density, curvature, TPI, and precipitation of the study area.
Fig. 4
Fig. 4
Spatial variations of roughness, FIS, soil texture, LULC, TWI, and lineament density of the study area.
Fig. 5
Fig. 5
Spatial variations of soil permeability, and soil types of the study area.
Fig. 6
Fig. 6
Groundwater potential zones of the study area.
See this image and copyright information in PMC

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