Category Archives: Climate change

Has The Atlantic Ocean Circulation Been In Long-term Decline?

By: Jon Robson A number of recent high-profile studies have strongly suggested that an important part of the North Atlantic Ocean circulation – the AMOC – has declined and that it is edging closer to a tipping point. Such a … Continue reading

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Antarctic Sea Ice: The Global Climate Driver Of The South

By: Holly Ayres In the Northern Hemisphere, our closest region of sea ice (not to be confused with land ice) is the Arctic, a vast region of frozen ocean at the North Pole. Antarctica, a huge mountainous land mass at … Continue reading

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Climate Change In The Ionosphere

Christopher Scott There is much work being done to assess the impact of climate change on the lower atmosphere. Since this is the part of the Earth’s atmosphere affecting the planet’s surface, where (the bulk of!) life on Earth resides, … Continue reading

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Climate Change 2021—The Physical Science Basis

By: Jonathan Gregory, Ed Hawkins, Matt Palmer This document is a short summary of key points that are of current relevance to society from the physical science of climate change. It is based on the headline statements of the report … Continue reading

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Atmospheric CO2, fossil fuel emissions, Shared Socioeconomic Pathways and the Paris Agreement.

By: Tristan Quaife The Paris Agreement, which is signed by 193 countries belonging to the United Nations Framework Convention on Climate Change, aims to limit the rise in global mean temperature to 2°C, and ideally 1.5°C, above pre-industrial levels. To achieve … Continue reading

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The Climate Feedback: More Than The Sum Of Its Parts

By: Jonah Bloch-Johnson One of the main numbers that climate scientists use to predict global warming is the “climate feedback,” which measures how effective warming is at countering the effects of CO2. CO2 reduces how much energy the planet sheds to … Continue reading

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Forecast West Africa by Dr. Bunny Rabbit

By: Paul-Arthur Monerie References: *“Forecast” stands here for the projection of changes in precipitation at the end of the 21st century (a 40-year period average, between 2060 and 2099) relative to the end of the 20th century (1960-1999), in summer (JAS) and for … Continue reading

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Metrology, Earth Observation and Climate Data

By: Jonathan Mittaz  Metrology is the science of measurement which both defines the System International (SI, The International System of Units, 2019) as well as mathematical frameworks for measurement uncertainties (for example see the GUM: Guide to the expression of Uncertainty in Measurement, … Continue reading

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Green shoots from the grassroots at the 26th Conference of the Parties

By: Chris Merchant On the opening two days of COP26, I was in Glasgow to raise awareness of the climate and environmental data freely available from satellite observations of Earth. While the news media focus on big political headlines from COP26, … Continue reading

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Projected longer dry spells under climate change occur during dry seasons not wet seasons

By Caroline Wainwright  The latest Intergovernmental Panel on Climate Change (IPCC) report states that the global water cycle will intensify with continued global warming. This means fewer rainy days, but with more intense rain over many land regions, and more … Continue reading

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