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Greenhouse Gases
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Current climate conditions trends and averages: Greenhouse Gases (GHG's) and relevant data products.
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Global Warming
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Current Climate Conditions
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Global Climate Monitor
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Global Climate Monitor: Global Climate Monitoring of the Climate System allows a clear overview of how the system is currently behaving in response to global warming and natural variation. Climate change indicators: Global Mean Temperature (GMT); Hemispheric Temperature Variance; Greenhouse gases; Arctic, Antarctic Ice Extent and Volume; Ocean Oscillations; Sea Level Rise (SLR); Solar Cycle Data; Sea Surface Temperatures and Anomalies; Global Fire Activity, Drought.
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Global Warming
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Richard Lindzen
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Rebuttal to Richard Lindzen: In general, to support his contentions that global warming is not a serious threat, Lindzen relies on largely unsupported claims pertaining to well reasoned science regarding forcing and feedback's. Some of his contentions have been reasonably contested and in some cases the opposite of his claims have proven true. He tends to say it won't be so bad, but seems to be largely ignoring the economic costs of moving infrastructure and resource scarcity issues.
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Myths vs. Facts: Global Warming
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Arctic Oscillation (AO)
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The Arctic Oscillation (AO) is a large scale mode of climate variability, also referred to as the Northern Hemisphere annular mode. The AO is a climate pattern characterized by winds circulating counterclockwise around the Arctic at around 55°N latitude.
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Atmospheric Composition
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Understanding Atmospheric Composition is both simple and handy in understanding how mankind can influence climate. Many people think the atmosphere is just too big for humans to influence? It sounds like a reasonable statement, until you realize that you don't need to change the whole atmosphere to change climate... you just need to change a little bit of it.
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Global Warming
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Climate Models
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GCM's (General Circulation Models) or sometimes mistakenly referred to as Global Climate Model, Typically refers to a three-dimensional model of the global atmosphere used in climate modeling (often erroneously called “Global Climate Model”). This term often requires additional qualification (e.g., as to whether or not the atmosphere is fully coupled to an ocean as in AOGCM, which stands for Atmosphere-Ocean General Circulation Model.
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Keeling Curves
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Most understand the Keeling curve as an upward trend of CO2 in the atmosphere as measured by the Mauna Loa measurements of Charles David Keeling. But there are two Keeling curves and they are related to each other in more than one way. While CO2 increases, it stands to reason that O2 will decrease (C + O2 = CO2). The two curves also have family ties.
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Global Warming
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Latitudinal Shift
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Global warming is not only expected to cause a latitudinal shift of the jet-stream, it already has. There has been a measured poleward of the jet-stream in the past 30 years. This is an expected result of global warming.
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North Atlantic Oscillation (NAO)
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The North Atlantic Oscillation (NAO) is a measure of the strength of the westerlies across the North Atlantic. Originally defined by Sir Gilbert Walker in 1932 as the difference in pressure between Ponta Delgada on the Azores and Stykkisholmur in Iceland.
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El Nino Southern Oscillation (ENSO)
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ENSO stands for El Niño/ Southern Oscillation. The ENSO cycle refers to the coherent and sometimes very strong year-to-year variations in sea- surface temperatures, convective rainfall, surface air pressure, and atmospheric circulation that occur across the equatorial Pacific Ocean. El Niño and La Niña represent opposite extremes in the ENSO cycle.
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Global Warming
