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I read an interesting story this week in Business Alabama about Alabama irrigation. Did you know that only 10% of Alabama agriculture is irrigated compared to 50% in Georgia and 60% in Mississippi? I always wondered why, and this article explained it. It is a combination of deeper aquifers which require more costly wells to…
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The EcoWatch newsletter posted a story this week about the impacts of the exceptional drought in the Southwestern US on water supplies in the Colorado River basin. Lake Mead, the largest reservoir on the river, has not been at full pool since 1983, but in recent years has been much lower. When reservoir levels get…
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If you are ever asked about how climate is changing in the Southeast (and it is, although it is more subtle than some other parts of the US), then here is an excellent web site which provides links to several different resources. You can visit it at https://www.globalchange.gov/explore/southeast-caribbean. I do see that the current events…
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There has been a wealth of stories related to climate and/or agriculture in the past few weeks. Here are a few that have caught my eye. I hope you will find one or more useful to you. Bloomberg Businessweek: The Fighting Has Begun Over Who Owns Land Drowned by Climate Change New Haven Register: One…
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Here’s a very interesting story about some work done by John Magnuson, one of my colleagues from my days in Wisconsin. John is an expert in ice-off dates on lakes, and this story is about how he and some other scientists were able to decipher two very long records of ice dates kept by monks…
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Floods are a liquid disaster caused by heavy precipitation or training storms which drop their moisture over the same spot over and over again. Slow-moving storms and saturated soils can contribute to the volume of water that comes down the river channels. In some parts of the country, rain falling on snow makes rapid snowmelt…
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EarthSky has an interesting post this week on the physics of rainbows and why they appear to be curved. If you are in an aircraft, it is possible to see a rainbow as a full circle, but usually on the earth’s surface we only see part of the arc. You can read the details here.
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