Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Responses to Drought and Flooding02:41

Responses to Drought and Flooding

11.0K
Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
11.0K
Typical Model Studies01:30

Typical Model Studies

443
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.
443
Precipitation Gravimetry01:03

Precipitation Gravimetry

7.6K
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...
7.6K
Model Approaches for Pharmacokinetic Data: Distributed Parameter Models01:06

Model Approaches for Pharmacokinetic Data: Distributed Parameter Models

130
Pharmacokinetic models are mathematical constructs that represent and predict the time course of drug concentrations in the body, providing meaningful pharmacokinetic parameters. These models are categorized into compartment, physiological, and distributed parameter models.
The distributed parameter models are specifically designed to account for variations and differences in some drug classes. This model is particularly useful for assessing regional concentrations of anticancer or...
130
Design Example: Analyzing Capacity Contours for Flood Risk Assessment01:17

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

105
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...
105
Modeling and Similitude01:12

Modeling and Similitude

340
Scaled modeling is a fundamental technique in engineering, enabling the study of large and complex systems by creating smaller, manageable replicas that recreate critical characteristics of the original. In hydrology and civil infrastructure, for example, scaled models of dams help analyze water flow, turbulence, and pressure. This method allows for accurate predictions of real-world behavior within a controlled environment, significantly reducing the cost and time involved in full-scale...
340

You might also read

Related Articles

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

Sort by
Same author

Systematic review of cnidarian microbiomes reveals insights into the structure, specificity, and fidelity of marine associations.

Nature communications·2023
Same author

Base Deficit, Serum Albumin Level And Blood Haemoglobin Concentration Can Be Used As Predictor Factors For Mortality In Major Burn Patients.

Annals of burns and fire disasters·2020
Same author

Antimicrobial interventions to reduce Salmonella and Campylobacter populations and improve shelf life of quail carcasses.

Poultry science·2020
Same author

Consequences of climate-induced vegetation changes exceed those of human disturbance for wild impala in the Serengeti ecosystem.

Conservation physiology·2020
Same author

The prevalence and antimicrobial resistance phenotypes of Salmonella, Escherichia coli and Enterococcus sp. in surface water.

Letters in applied microbiology·2020
Same author

Diversity and antimicrobial resistance of Enterococcus from the Upper Oconee Watershed, Georgia.

Journal of applied microbiology·2019
Same journal

The Cost of Bad Timing: How Phenology and Frequency Determine Agricultural Flood Risk.

Water resources management (Dordrecht, Netherlands)·2026
Same journal

The Changing Landscape of Water Resources Planning in England.

Water resources management (Dordrecht, Netherlands)·2025
Same journal

Distributed Nonconvex Optimization for Control of Water Networks with Time-coupling Constraints.

Water resources management (Dordrecht, Netherlands)·2025
See all related articles

Related Experiment Video

Updated: Sep 17, 2025

Use of Principal Components for Scaling Up Topographic Models to Map Soil Redistribution and Soil Organic Carbon
09:44

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

Published on: October 16, 2018

10.3K

Characterisation of Groundwater Drought Using Distributed Modelling, Standardised Indices, and Principal Component

V Christelis1, M M Mansour1, C R Jackson1

  • 1British Geological Survey, Keyworth, Nottingham, NG12 5GG UK.

Water Resources Management (Dordrecht, Netherlands)
|July 3, 2025
PubMed
Summary
This summary is machine-generated.

A new modeling framework accurately characterizes groundwater drought, even without direct measurements. It revealed that precipitation data alone can be unreliable for predicting groundwater drought, especially during extreme heatwaves.

Keywords:
Groundwater droughtGroundwater modellingPrincipal component analysisStandardised groundwater level indexStandardised precipitation index

More Related Videos

Watershed Planning within a Quantitative Scenario Analysis Framework
12:44

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

8.1K
A Telemetric, Gravimetric Platform for Real-Time Physiological Phenotyping of Plant–Environment Interactions
15:30

A Telemetric, Gravimetric Platform for Real-Time Physiological Phenotyping of Plant–Environment Interactions

Published on: August 5, 2020

11.8K

Related Experiment Videos

Last Updated: Sep 17, 2025

Use of Principal Components for Scaling Up Topographic Models to Map Soil Redistribution and Soil Organic Carbon
09:44

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

Published on: October 16, 2018

10.3K
Watershed Planning within a Quantitative Scenario Analysis Framework
12:44

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

8.1K
A Telemetric, Gravimetric Platform for Real-Time Physiological Phenotyping of Plant–Environment Interactions
15:30

A Telemetric, Gravimetric Platform for Real-Time Physiological Phenotyping of Plant–Environment Interactions

Published on: August 5, 2020

11.8K

Area of Science:

  • Hydrology
  • Hydrogeology
  • Environmental Modeling

Background:

  • Groundwater drought characterization is challenging due to limited observational data.
  • Understanding catchment-scale drought dynamics is crucial for water resource management.

Purpose of the Study:

  • To develop and apply a modeling framework for characterizing groundwater drought at a catchment scale.
  • To assess historical groundwater drought events in a Chalk aquifer in southern England (1971-2004).

Main Methods:

  • Developed a numerical groundwater model simulating recharge and groundwater level fluctuations.
  • Applied the Standardized Groundwater Level Index (SGI) to assess drought severity and duration.
  • Utilized Principal Component Analysis (PCA) on SGI and Standardized Precipitation Index (SPI) data.

Main Results:

  • Identified three major groundwater drought events between 1971-2004.
  • Observed spatial inconsistencies in drought severity and duration among events.
  • PCA showed SPI was a poor predictor of groundwater drought during the 2003 heatwave.

Conclusions:

  • The proposed modeling framework accurately captured groundwater drought dynamics, including resilience during extreme events.
  • Significant differences between SPI and SGI highlight the influence of hydrological and hydrogeological catchment features on groundwater drought.