climate model

a research team taking sediment cores on lake tanganyika in eastern africa

Translating Climate Models to the Language of Paleoclimate Data

A new model will help climate models better interpret paleoclimate reconstructions derived from lake sediment and could improve predictions of future climatic conditions — When it comes to climate modeling, understanding the past is critical to predicting the future. Scientists use all manner of materials to reconstruct Earth’s past climate. Tree rings, ice cores, corals, …

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solitary tree during a drought in queensland, australia

Guest post: How will climate change’s warming pattern look in the future

The world has not warmed evenly as the climate has changed over the past century. After about 1°C of human-induced global warming, we observe that regions such as the Arctic and most land areas have warmed more quickly than the global average, while many ocean regions have only warmed a little.

stratocumulus clouds above the northwestern pacific ocean

Extreme CO2 levels could trigger clouds ‘tipping point’ and 8C of global warming

If atmospheric CO2 levels exceed 1,200 parts per million (ppm), it could push the Earth’s climate over a “tipping point”, finds a new study. This would see clouds that shade large part of the oceans start to break up.

downtown skyline with snowy mountains behind at sunset

Q&A: How ‘integrated assessment models’ are used to study climate change

Working out the best ways to tackle climate change is one of the key challenges facing policymakers both today and in the decades ahead — To inform these decisions, scientists and economists have developed a suite of tools known as “integrated assessment models” (IAMs). These models are used to answer central questions about climate change, …

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wetlands, yukon canada

Permafrost and wetland emissions could cut 1.5°C carbon budget ‘by five years’

Emissions of CO2 and methane from wetlands and melting permafrost as the climate warms could cut the “carbon budget” for the Paris Agreement temperature limits by around five years, a new study says — These natural processes are “positive feedbacks” – so called because they release more greenhouse gases as global temperatures rise, thus reinforcing …

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digital earth

New Version of Popular Climate Model Released

After spending months addressing a big glitch, researchers released the second version of the Community Earth System Model — One year ago this month, climate researchers met at a workshop in Boulder, Colo., to fix a big glitch in the second version of the Community Earth System Model (CESM), a computer program that scientists around …

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