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Related Concept Videos

Global Climate Change01:50

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.
What is Climate?01:16

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.
What is Weather?01:07

What is Weather?

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Precipitation and Co-precipitation01:17

Precipitation and Co-precipitation

Precipitation and coprecipitation methods can be used to separate a mixture of ions in a solution. In qualitative inorganic analysis, ions that form sparingly soluble precipitates with the same reagent are separated based on the differences in solubility products. For example, consider the separation of Cu(II) and Fe(II) ions by precipitation as insoluble sulfides. First, copper(II) sulfide is precipitated by the addition of acidic H2S, where the dissociation of H2S is suppressed. Adding H2S...
Precipitation Processes01:12

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...
Graphs of Two-Variable Functions01:27

Graphs of Two-Variable Functions

A weather map provides a practical example of a function of two variables. Across a wide region such as the United States, temperatures vary from one location to another. Each location can be identified by two geographic coordinates: longitude and latitude. Since a single temperature value is assigned to each coordinate pair, the situation can be represented mathematically as a function with two inputs and one output.In mathematical notation, longitude and latitude can be labeled as x and y,...

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Updated: Jul 12, 2026

Using Generative Art to Convey Past and Future Climate Transitions
06:10

Using Generative Art to Convey Past and Future Climate Transitions

Published on: March 31, 2023

A two-tiered approach to long-range climate forecasting.

L Bengtsson, U Schlese, E Roeckner

    Science (New York, N.Y.)
    |August 20, 1993
    PubMed
    Summary

    This study developed a coupled ocean-atmosphere model for long-range global climate forecasting. The model accurately predicted major climate events from the 1970s to 1990s, showing good agreement with observations.

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    Published on: March 31, 2023

    Watershed Planning within a Quantitative Scenario Analysis Framework
    12:44

    Watershed Planning within a Quantitative Scenario Analysis Framework

    Published on: July 24, 2016

    Area of Science:

    • Climate Science
    • Atmospheric Science
    • Oceanography

    Background:

    • Accurate long-range climate prediction is crucial for understanding and mitigating global climate variability.
    • Existing models often face challenges in accurately forecasting climate patterns at extended lead times.

    Purpose of the Study:

    • To develop and validate a novel modeling approach for long-range global climate forecasting.
    • To assess the capability of a coupled ocean-atmosphere model in predicting significant climatic events.

    Main Methods:

    • Utilized a predictive model for tropical Pacific sea-surface temperature (SST) forecasts.
    • Employed an atmospheric general circulation model driven by the predicted SST data.
    • Validated the model's performance by hindcasting seven major climatic events from 1970-1990.

    Main Results:

    • The coupled model successfully predicted tropical Pacific sea-surface temperature at long lead times.
    • Atmospheric model simulations driven by SST forecasts showed good agreement with observed global climate patterns.
    • Hindcasts of seven major climatic events demonstrated the technique's effectiveness across various global regions.

    Conclusions:

    • The coupled ocean-atmosphere modeling approach provides a reliable method for long-range global climate forecasting.
    • This technique enhances our ability to predict significant climate variability and its impacts.
    • The findings support the use of such coupled models for future climate projections and risk assessment.