Category Archives: Definition of Climate

Climate Includes Extreme Events – A Forecast Extreme New Zealand Weather Cold and Snow Event

While it is common to state that weather is not climatology, the reality is that climatalogy is composed of a collection of weather events over some time period. 30-year average temperatures and precipitation, for example, are two examples.  NCDC has recently … Continue reading

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Filed under Climate Change Metrics, Climate Science Reporting, Definition of Climate

A New View Of The Climate System Involving Spatio-temporal Chaos

There have been two post on Climate Etc [Judy Curry's weblog] that may change how we view the climate system. These posts under a name Tomas Milanovic  are Chaos, ergodicity, and attractors Spatio-temporal chaos The text of one of the posts concludes that “Fluid dynamics is a field … Continue reading

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Missing The Major Point Of “What Is Climate Sensitivity”

There is a post by Zeke on Blackboard titled  Agreeing [See also the post on Climate Etc  Agreeing(?)]. Zeke starts the post with the text “My personal pet peeve in the climate debate is how much time is wasted on arguments that are … Continue reading

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Filed under Climate Change Forcings & Feedbacks, Climate Science Misconceptions, Definition of Climate

The Terms “Global Warming” And “Climate Change” – What Do They Mean?

There continues to be considerable misunderstanding of the terms “global warming” and “climate change”. I have posted in previous years about these terms; e.g. see these posts in 2005; What is Climate Change? Is Global Warming the Same as Climate Change? What … Continue reading

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Recommended Definitions of “Global Warming” And “Climate Change”

As discussed often in my posts; e.g. What is Climate? Why Does it Matter How We Define Climate? What is Climate Change? Is Global Warming the Same as Climate Change? there is lack of clarity in how these terms are defined. In today’s … Continue reading

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Weather And Climate – Well Summarized By On Tomas Milanovic On Climate Etc.

Tomas Milanovic has a accurate succinct summary of the relationship between weather and climate on the weblog post The Uncertainty Monster at Climate Etc. The comment reads “Weather is chaotic, nobody disputes that. The “climate” is exactly the same system, obeying to … Continue reading

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Q&A “On GCMs, Weather, and Climate”

 Dan Hughes has sent in a question on climate science (thanks Dan!). The title is  “GCMs, weather, and climate”, and following is his question. Hello Professor Pielke, I have a candidate for Question for the Day. GCMs do not resolve weather, … Continue reading

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Filed under Definition of Climate, Q & A on Climate Science

What is Climate? Why Does it Matter How We Define Climate?

Originally Posted on July 11, 2005. The title of this weblog is “Climate Science,” so the first thing we need to do is define “climate.” For many, the term refers to long-term weather statistics. However, on this blog we are … Continue reading

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What is Climate Change?

For the next several weeks Climate Science is reposting a number of weblogs that are worth repeating. We have quite a few more readers now than we did when my weblog started. The first reposting appears below. Originally posted on … Continue reading

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New Article In Physics Today Titled “A Broader View Of The Role Of Humans In The Climate System.”

Physics Today has just published an invited opinion piece Pielke Sr., R.A., 2008: A broader view of the role of humans in the climate system. Physics Today, 61, Vol. 11, 54-55. The article starts with the text “The 2007 report … Continue reading

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Filed under Climate Change Forcings & Feedbacks, Definition of Climate, RA Pielke Sr. Position Statements