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

Global Climate Change01:50

Global Climate Change

28.9K
Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
28.9K
Methods of Documentation I: Source-Oriented Records01:18

Methods of Documentation I: Source-Oriented Records

1.7K
Source-oriented records, or SOR, are medical record-keeping organized by the data source. The SOR system was first developed in the mid-1900s to organize the growing patient data in hospitals and other healthcare facilities.
In an SOR, each discipline involved in patient care maintains a separate medical record section. This record-keeping method enables easy tracking of patient progress and ensures healthcare staff have access to up-to-date information.
Key Attributes include the following:
1.7K
Introduction to Global Positioning System01:30

Introduction to Global Positioning System

518
The Global Positioning System (GPS) revolutionized positioning on Earth, providing precise location data through satellite ranging. The GPS system was developed in 1978 by the U.S. Department of Defense  for military use, and it became available for civilian applications in 1983, transforming fields including navigation, fleet management, and time synchronization for telecommunications systems.GPS consists of satellites in medium Earth orbit, about 20,200 kilometers above the surface,...
518
Errors in Global Positioning System01:26

Errors in Global Positioning System

353
Global Positioning System (GPS) technology has revolutionized navigation and positioning, but its accuracy is often compromised by various errors. These errors, stemming from environmental, satellite, and receiver-related factors, require careful mitigation to ensure reliable performance across applications.Atmospheric ErrorsGPS signals travel through the Earth’s ionosphere and troposphere, introducing delays which affect accuracy. The ionosphere is strongly influenced by charged particles,...
353
Global Regulatory Systems01:28

Global Regulatory Systems

678
Global regulatory systems in bacteria enable rapid and coordinated responses to environmental changes by integrating sensory inputs with gene expression, ensuring efficient adaptation to fluctuating conditions. Key global regulatory mechanisms include regulons, two-component systems, sigma factors, and secondary messengers.Regulons and Global RegulatorsA regulon is a collection of genes and operons controlled by a common global regulator. These regulators enable bacteria to prioritize resource...
678
Multi-input and Multi-variable systems01:22

Multi-input and Multi-variable systems

423
Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence of...
423

You might also read

Related Articles

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

Sort by
Same author

Where You Live Shapes Diabetes Risk: Multilevel Determinants of Type 2 Diabetes in the East South Central United States.

Journal of racial and ethnic health disparities·2026
Same author

Low human seroprevalence but persistent environmental reservoirs of <i>Toxocara</i> spp.: a One Health assessment in Abadeh City, Iran.

Journal of parasitic diseases : official organ of the Indian Society for Parasitology·2026
Same author

Temporal evolution of spatial water quality heterogeneity in Oman's largest water supply reservoir.

Scientific reports·2026
Same author

Spatiotemporal prediction of chlorophyll-a in semi-enclosed gulfs using a hybrid graph neural network-transformer framework with satellite data and causal analysis.

Scientific reports·2026
Same author

Integrating geospatial intelligence and machine learning for flood susceptibility mapping.

Scientific reports·2026
Same author

Increasing synchronicity of global extreme fire weather.

Science advances·2026

Related Experiment Video

Updated: Feb 3, 2026

Local and Global Methods of Assessing Thermal Nociception in Drosophila Larvae
10:53

Local and Global Methods of Assessing Thermal Nociception in Drosophila Larvae

Published on: May 18, 2012

16.4K

GHWR, a multi-method global heatwave and warm-spell record and toolbox.

Ehsan Raei1, Mohammad Reza Nikoo1, Amir AghaKouchak2

  • 1Shiraz University, Shiraz, Iran.

Scientific Data
|October 31, 2018
PubMed
Summary

A new global heatwave and warm-spell data record and analysis toolbox (GHWR) offers generalized definitions and analysis methods for heatwaves. This tool provides comprehensive data and flexible processing for diverse user needs.

More Related Videos

In Silico Modeling Method for Computational Aquatic Toxicology of Endocrine Disruptors: A Software-Based Approach Using QSAR Toolbox
05:47

In Silico Modeling Method for Computational Aquatic Toxicology of Endocrine Disruptors: A Software-Based Approach Using QSAR Toolbox

Published on: August 28, 2019

14.7K
Multi-unit Recording Methods to Characterize Neural Activity in the Locust Schistocerca Americana Olfactory Circuits
12:13

Multi-unit Recording Methods to Characterize Neural Activity in the Locust Schistocerca Americana Olfactory Circuits

Published on: January 25, 2013

27.8K

Related Experiment Videos

Last Updated: Feb 3, 2026

Local and Global Methods of Assessing Thermal Nociception in Drosophila Larvae
10:53

Local and Global Methods of Assessing Thermal Nociception in Drosophila Larvae

Published on: May 18, 2012

16.4K
In Silico Modeling Method for Computational Aquatic Toxicology of Endocrine Disruptors: A Software-Based Approach Using QSAR Toolbox
05:47

In Silico Modeling Method for Computational Aquatic Toxicology of Endocrine Disruptors: A Software-Based Approach Using QSAR Toolbox

Published on: August 28, 2019

14.7K
Multi-unit Recording Methods to Characterize Neural Activity in the Locust Schistocerca Americana Olfactory Circuits
12:13

Multi-unit Recording Methods to Characterize Neural Activity in the Locust Schistocerca Americana Olfactory Circuits

Published on: January 25, 2013

27.8K

Area of Science:

  • Climate Science
  • Environmental Science
  • Data Science

Background:

  • Heatwaves are periods of extreme high temperatures with substantial societal and environmental consequences.
  • A lack of a standardized definition hinders consistent heatwave research and analysis.
  • Existing methods for heatwave identification often lack generalizability.

Purpose of the Study:

  • To introduce a comprehensive global heatwave and warm-spell data record and analysis toolbox (GHWR).
  • To provide a generalized statistical metric, the standardized heat index (SHI), for heatwave identification.
  • To enable efficient processing and extraction of heatwave data for any location.

Main Methods:

  • Development of a multi-method toolbox (GHWR) for global heatwave and warm-spell analysis.
  • Implementation of traditional constant temperature thresholds and localized threshold approaches.
  • Introduction of the standardized heat index (SHI) based on probability distribution functions of daily temperatures.

Main Results:

  • Creation of a long-term global data record of heatwaves and warm-spells.
  • Inclusion of binary occurrence records and annual summary files detailing frequency, duration, magnitude, and amplitude.
  • Demonstration of GHWR's capability to process and extract heatwave information using various user-selected methods.

Conclusions:

  • GHWR provides a robust and flexible framework for global heatwave and warm-spell analysis.
  • The standardized heat index (SHI) offers a generalized approach to defining and identifying heatwaves.
  • The toolbox empowers researchers and users to tailor heatwave data analysis to specific applications.