Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Precipitation Gravimetry

Precipitation Gravimetry

Precipitation gravimetry is based on converting an analyte into a sparingly soluble precipitate, which is separated by filtration and weighed. An ideal precipitate should be pure, insoluble, of known composition, and easily filtered from the reaction mixture.
In determining nickel by gravimetric analysis, a precipitant of ethanolic dimethylglyoxime is added to a hot nickel salt solution. This is quickly followed by the dropwise addition of dilute ammonia solution until precipitation occurs. A...

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...

Gravimetry: Overview

Gravimetry: Overview

Gravimetric analysis is a quantitative method where the analyte is isolated and weighed directly or after conversion into a substance of known composition. Gravimetric analysis can be classified as precipitation, electrogravimetry, volatilization, and particulate gravimetry, based on the method used to isolate the analyte.
In precipitation gravimetry, the analyte is converted into a precipitate and weighed. For example, the silver content in a sample can be estimated by precipitating and...

Typical Model Studies

Typical Model Studies

Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.

Methods of Obtaining Topography

Methods of Obtaining Topography

Topography involves measuring and mapping land elevations, natural features, and artificial structures to create accurate representations of the terrain. Topographic surveying relies on traditional and modern methods, each with distinct advantages and limitations.Traditional Surveying Methods:Transit stadia surveys and plane table surveys were widely used traditional surveying methods. These techniques relied on instruments like theodolites and stadia rods for measuring distances and angles,...

Levels of Use of a GIS

Levels of Use of a GIS

Geographic Information Systems (GIS) operate across three levels of application, each representing an increasing degree of complexity: data management, analysis, and prediction. These levels reflect the expanding functionality and versatility of GIS technology in handling spatial data for diverse purposes.Data ManagementAt its foundational level, GIS serves as a tool for data management, enabling the input, storage, retrieval, and organization of spatial data. This level is often employed in...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Household-specific barriers to citizen-led flood risk adaptation.

npj climate action·2024

Same author

Spatial heterogeneity in drinking water sources in the Greater Accra Metropolitan Area (GAMA), Ghana.

Population and environment·2022

Same author

Assessment of Groundwater Quality in the Talensi District, Northern Ghana.

TheScientificWorldJournal·2020

Same author

Evaluation of groundwater recharge estimates in a partially metamorphosed sedimentary basin in a tropical environment: application of natural tracers.

TheScientificWorldJournal·2014

Same author

Hydrogeological conditions of a crystalline aquifer: simulation of optimal abstraction rates under scenarios of reduced recharge.

TheScientificWorldJournal·2014

Same author

Hydrochemical evaluation of the Voltaian system--the Afram Plains area, Ghana.

Journal of environmental management·2007

Search research articles

Related Experiment Video

Updated: Jul 2, 2025

Watershed Planning within a Quantitative Scenario Analysis Framework

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

Evaluating groundwater resources trends through multiple conceptual models and GRACE satellite data.

Sandow Mark Yidana¹, Elikplim Abla Dzikunoo², Richard Adams Mejida²

¹Department of Earth Science, University of Ghana, Legon, Accra, Ghana. smyidana@ug.edu.gh.

Environmental Monitoring and Assessment

|February 21, 2024

Summary

Erratic rainfall patterns are increasing groundwater recharge and storage in the Nasia and Volta Basins. This suggests growing groundwater potential for climate change adaptation, particularly in agriculture.

Keywords:

Climate change GRACE Groundwater storage Nasia Basin Recharge Volta Basin

More Related Videos

Use of Principal Components for Scaling Up Topographic Models to Map Soil Redistribution and Soil Organic Carbon

Use of Principal Components for Scaling Up Topographic Models to Map Soil Redistribution and Soil Organic Carbon

Published on: October 16, 2018

Measuring and Mapping Patterns of Soil Erosion and Deposition Related to Soil Carbonate Concentrations Under Agricultural Management

Measuring and Mapping Patterns of Soil Erosion and Deposition Related to Soil Carbonate Concentrations Under Agricultural Management

Published on: September 12, 2017

Related Experiment Videos

Last Updated: Jul 2, 2025

Watershed Planning within a Quantitative Scenario Analysis Framework

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

Use of Principal Components for Scaling Up Topographic Models to Map Soil Redistribution and Soil Organic Carbon

Use of Principal Components for Scaling Up Topographic Models to Map Soil Redistribution and Soil Organic Carbon

Published on: October 16, 2018

Measuring and Mapping Patterns of Soil Erosion and Deposition Related to Soil Carbonate Concentrations Under Agricultural Management

Measuring and Mapping Patterns of Soil Erosion and Deposition Related to Soil Carbonate Concentrations Under Agricultural Management

Published on: September 12, 2017

Area of Science:

Hydrology
Climate Science
Environmental Modeling

Background:

Groundwater resource assessment is crucial for sustainable water management, especially under changing climatic conditions.
Understanding groundwater dynamics requires robust modeling approaches that account for conceptual uncertainties.
The Nasia and Volta Basins face challenges related to water resource variability due to erratic rainfall.

Purpose of the Study:

To assess groundwater resource variations in the Nasia Basin using multiple numerical models.
To investigate the impact of erratic climatic conditions on groundwater recharge and storage.
To evaluate the role of baseflow in sustaining streamflow and its implications for agriculture.

Main Methods:

Development and calibration of three numerical groundwater flow models based on distinct conceptual models.
Transient analysis of groundwater resources over the monitoring period.
Utilizing Gravity Recovery and Climate Experiment (GRACE) satellite data for regional groundwater storage estimation.

Main Results:

All calibrated models consistently show an increasing trend in groundwater recharge and storage in the Nasia Basin.
High-intensity, short-duration rainfall patterns enhance infiltration and percolation, leading to increased groundwater recharge.
Regional analysis using GRACE data reveals a significant positive trend in groundwater storage in the Volta Basin (approx. 120 km³ increase from 2002-2022).

Conclusions:

Erratic rainfall patterns, characteristic of climate change, are positively impacting groundwater recharge and storage at both local (Nasia Basin) and regional (Volta Basin) scales.
Increased groundwater recharge and storage indicate a growing potential for groundwater resources, offering opportunities for climate change adaptation strategies, especially in agriculture.
The findings highlight the importance of groundwater-based adaptation projects in regions experiencing altered precipitation regimes.