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The floodplains those crops grow on have very rich, moist soil. "Forest" is a bit vague. It could refer to a swamp or an almost semi-arid pine forest. The latter would contribute very little to dewpoints.
I mean the type of forests found in comparable latitudes in the NE. "Temperate/Mixed" forests.
I mean the type of forests found in comparable latitudes in the NE. "Temperate/Mixed" forests.
Forests in that area, especially along the Mississippi, would be of the bottomland hardwood type. Of course higher areas would have more mesic conditions.
The corn-driven injection of moisture is being fed this year by especially wet soils after this spring’s record Midwest rainfall. And, unfortunately, it coincides with the onset of one of the worst American heat waves in years. The result is a combination of heat and humidity that’s causing misery for millions. Heat indices—the effective temperatures that takes moisture into account, as opposed to actual temperatures—soared to as high as 131°F at Knoxville, Iowa, on 18 July.
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It’s no surprise that many of these records were set in or near the Corn Belt, where the moisture-laden atmosphere has kept nights extremely sultry. Along with transpiration from plants, many of the region’s river valleys are bloated with runoff, which allows even more water to evaporate close to the largest population centers. Moreover, the stagnant atmosphere has kept water vapor pooled close to the ground, instead of it mixing more deeply through the atmosphere
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“The Midwest is the only place in the world where these crops cover more than half of a grid box,” says Levis. Each CESM box spans 1.9° by 2.5° degrees at midlatitudes, or about half the area of Iowa.
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Originally Posted by Cambium
5pm dew points - Miami big comeback, back into 1st. Bridgeport down to last. LEX drops to 4th
Miami 76
Kankakee 71
Atlanta 71
Lexington 70
Bridgeport 68
Chicago metro dew points... Maybe that's why the suburbs closer to the corn fields (like mine) usually sees higher dew points than the city itself
An hour ago, some local variation in dewpoint. 74°F? 70°F? And what's with the 59°F up in the hills? I assume they're from pop-up rainstorms in the afternoon
This morning was interesting; sudden drop late afternoon after thunderstorm. Then gradual drop staying at near 100% relative humidity. Faster climb in the morning still hovering at 100% humidity until the fog broke then quick warm up. Cool down after a local pop-up rainstorm, but it was early enough in the day for it to warm up again, and the cooling wasn't as much as yesterday's
Didnt click the studies yet but I can say from home garden experience that some plants keep it more humid and some plants put certain ingredients back into the soil naturally.
Havent grown corn enough to know what it does but like Fava beans put nitrogen back into the soil. Tomato plants keep their lower leaves close to the ground..
So makes sense that a crop will create more humidity. It's probably why Im a bit higher in my backyard than some neighbors or towns. I got too much garden and greenery around.
I should do a test and put a thermometer under my cucumbers and Tomatoes. Lol
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