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

What is Weather?

What is Weather?

What is Climate?

What is Climate?

Climate refers to the prevailing weather conditions in a specific area over an extended period. As the saying goes, “Climate is what you expect. Weather is what you get.” Climate is influenced by geographic factors, such as latitude, terrain, and proximity to bodies of water.

Global Climate Change

Global Climate Change

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.

Wave Parameters

Wave Parameters

The simplest mechanical waves are associated with simple harmonic motion and repeat themselves for several cycles. These simple harmonic waves can be modeled using a combination of sine and cosine functions. Consider a simplified surface water wave that moves across the water's surface. Unlike complex ocean waves, in surface water waves, water moves vertically, oscillating up and down, whereas the disturbance of the wave moves horizontally through the medium. If a seagull is floating on the...

Propagation of Waves

Propagation of Waves

When a wave propagates from one medium to another, part of it may get reflected in the first medium, and part of it may get transmitted to the second medium. In such a case, the interface of the two mediums can be considered as a boundary that is neither fixed nor free.
Consider a scenario where a wave propagates from a string of low linear mass density to a string of high linear mass density. In such a case, the reflected wave is out of phase with respect to the incident wave, however the...

Precipitation Processes

Precipitation Processes

The experimental conditions in a gravimetric analysis should be optimized to maximize the particle size and purity of the obtained precipitate. Ideally, the concentration of the precipitating reagent should be low with effective stirring to maintain low relative supersaturation for the growth of large crystals. In homogeneous precipitation, the precipitant is slowly generated by a chemical reaction in the solution to avoid local reagent excesses. For example, urea decomposes gradually to...

You might also read

Related Articles

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

Sort by

Same author

Stereoselective organocatalyzed glycosylations - thiouracil, thioureas and monothiophthalimide act as Brønsted acid catalysts at low loadings.

Chemical science·2019

Same author

The amyloid architecture provides a scaffold for enzyme-like catalysts.

Nanoscale·2017

Same author

Developmental context effects on bicultural posttrauma self repair in chimpanzees.

Developmental psychology·2009

Same author

Building an inner sanctuary: complex PTSD in chimpanzees.

Journal of trauma & dissociation : the official journal of the International Society for the Study of Dissociation (ISSD)·2008

Same author

Avian neuroanatomy revisited: from clinical principles to avian cognition.

The veterinary clinics of North America. Exotic animal practice·2007

Same author

Natural symmetry.

Nature·2005

Search research articles

Related Experiment Video

Updated: Jul 22, 2026

Using Wavelet Entropy to Demonstrate how Mindfulness Practice Increases Coordination between Irregular Cerebral and Cardiac Activities

Using Wavelet Entropy to Demonstrate how Mindfulness Practice Increases Coordination between Irregular Cerebral and Cardiac Activities

Published on: May 10, 2017

Detecting climate-induced patterns using wavelet analysis.

G A Bradshaw¹, B A McIntosh

¹Forest Sciences Laboratory, Pacific Northwest Research Station, Corvallis, Oregon 97331, USA.

Environmental Pollution (Barking, Essex : 1987)

|January 1, 1994

Summary

This study introduces wavelet analysis to differentiate climate impacts on stream discharge from other factors. The method successfully isolated climate-driven patterns in eastern Oregon

More Related Videos

Measurement of the Directional Information Flow in fNIRS-Hyperscanning Data using the Partial Wavelet Transform Coherence Method

Measurement of the Directional Information Flow in fNIRS-Hyperscanning Data using the Partial Wavelet Transform Coherence Method

Published on: September 3, 2021

Functional Near-Infrared Spectroscopy Hyperscanning Study in Psychological Counseling

Functional Near-Infrared Spectroscopy Hyperscanning Study in Psychological Counseling

Published on: January 17, 2025

Related Experiment Videos

Last Updated: Jul 22, 2026

Using Wavelet Entropy to Demonstrate how Mindfulness Practice Increases Coordination between Irregular Cerebral and Cardiac Activities

Using Wavelet Entropy to Demonstrate how Mindfulness Practice Increases Coordination between Irregular Cerebral and Cardiac Activities

Published on: May 10, 2017

Measurement of the Directional Information Flow in fNIRS-Hyperscanning Data using the Partial Wavelet Transform Coherence Method

Measurement of the Directional Information Flow in fNIRS-Hyperscanning Data using the Partial Wavelet Transform Coherence Method

Published on: September 3, 2021

Functional Near-Infrared Spectroscopy Hyperscanning Study in Psychological Counseling

Functional Near-Infrared Spectroscopy Hyperscanning Study in Psychological Counseling

Published on: January 17, 2025

Area of Science:

Hydrology
Ecology
Climate Science

Background:

Distinguishing climate change impacts on ecosystems from other influences (land use, local factors) is challenging.
Stream discharge records reflect combined effects of climate, land use, and basin characteristics.
Quantifying temporal and spatial patterns across scales is crucial for assessing climate-induced ecosystem changes.

Purpose of the Study:

To introduce wavelet analysis as a method for identifying and isolating climate-induced components in hydrologic records.
To demonstrate the utility of wavelet analysis in discerning patterns in stream discharge data.
To apply wavelet cross-covariance to precipitation and discharge records to isolate climatic influences.

Main Methods:

Wavelet analysis was employed for time series decomposition and pattern identification.
Wavelet cross-covariance was used to link precipitation and stream discharge records.
Signal reconstruction was performed to isolate dominant climatic frequencies in the discharge data.

Main Results:

Wavelet analysis successfully identified and isolated climate-related patterns in eastern Oregon stream discharge.
Two dominant scales of pattern in discharge were found to coincide with precipitation patterns.
A 3-year periodic pattern in discharge correlated with the Southern Oscillation Index was identified.

Conclusions:

Wavelet analysis is a valuable tool for discerning climate-driven changes in hydrologic systems.
The methodology provides an informed approach for signal decomposition and pattern analysis.
Climate variability, including influences like the Southern Oscillation Index, significantly impacts stream discharge patterns.