# What are climate models used for?

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## How do climate models work?

Climate models are run using data on the factors that drive the climate, and projections about how these might change in the future. Climate model results can run to petabytes of data, including readings every few hours across thousands of variables in space and time, from temperature to clouds to ocean salinity.

## What are the benefits of climate change models?

Climate models can be used to make projections about future climate and the knowledge gained can contribute to policy decisions regarding climate change. An advantage of GCMs is their abil- ity to perform multiple simulation experiments using differ- ent greenhouse gas emissions scenarios.

## What is Climate System Model?

Climate models are systems of differential equations based on the basic laws of physics, fluid motion, and chemistry. To “run” a model, scientists divide the planet into a 3-dimensional grid, apply the basic equations, and evaluate the results.

## How do climate models predict the future?

To predict future climate, scientists use computer programs called climate models to understand how our planet is changing. Climate models work like a laboratory in a computer. They allow scientists to study how different factors interact to influence a region’s climate.

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## Are models necessary to understand climate?

Are models necessary to understand climate change? (No. The basic cause of Earth’s warming is understood without models, but the interactions are complex enough that models help in trying to fully understand all of the relationships between the components in Earth’s climate system.)

## What do climate models tell us?

Climate models, also known as general circulation models or GCMs, use mathematical equations to characterize how energy and matter interact in different parts of the ocean, atmosphere, land.

## What is the main purpose of climate scientists using global climate models GCMs )?

GCMs are critical tools that enable us to improve the understanding and prediction of atmosphere, ocean, and climate behavior.

## How do you create a climate model?

Constructing a climate model involves a number of steps:

1. Building a 3-D map of the Earth’s climate system. The basic building blocks of climate models are 3-D “grid cells” that contain climate-related physical information about a particular location. …
2. Developing computer code. …
3. Making the model run through time.

## What are climate models What is an advantage of using a climate model What is a disadvantage?

climate models are computer programs that simulate climate processes. Advantage: allow scientists to predict future climate patterns. Disadvantage: no model can absolutely predict what will happen in the future.