#evapotranspiration

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DoomsdaysCWWhat the heck is “<a href="https://kolektiva.social/tags/CornSweat" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CornSweat</a>” and is it making the Midwest more dangerous?It’s pretty much just as gross as it sounds."In one 2020 study, researchers from the Harvard-Smithsonian Center for Astrophysics analyzed a past summer heat wave in the Midwest and found that cropland — most of which comprised corn in this part of the country — can increase moisture in the air above it by up to 40 percent."by Benji Jones Aug 29, 2024"Ah, yes, late August in the Midwest: a time for popsicles by the lake, a trip to the county fair, and, of course, extreme humidity made more miserable by … corn sweat."Corn sweat. It’s a thing! And people are talking about it.The term refers to the moisture released by fields of corn during hot and sunny weather. Like all other plants, corn transpires — meaning, it sucks up water from the ground and expels it into the air as a way to stay cool and distribute nutrients. Moisture also enters the air when water in the soil evaporates. Together with transpiration, this process is called <a href="https://kolektiva.social/tags/evapotranspiration" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#evapotranspiration</a>."So, where you find loads of plants packed tightly into one place, whether the Amazon rainforest or <a href="https://kolektiva.social/tags/Iowa" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Iowa</a>, humidity can skyrocket during hot and especially sunny periods, making the air feel oppressive."That’s what happened this week: A late-summer <a href="https://kolektiva.social/tags/heatwave" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#heatwave</a> brought record and near-record temperatures to parts of the Midwest where there also happen to be vast fields of corn. With plenty of sunlight and temperatures in the high 90s, it was enough to make corn sweat, producing extremely uncomfortable weather."It’s not that corn sweats more than other plants — an acre releases less moisture on average than, say, a large oak tree — but the Midwest has a lot of corn in late August. In Iowa, for example, more than two-thirds of the area is farmland, and corn is the top crop (followed by <a href="https://kolektiva.social/tags/soybeans" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#soybeans</a>, which, by the way, also sweat)."[...]"Again, it’s not just crops across the <a href="https://kolektiva.social/tags/Midwest" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Midwest</a> that release moisture, increase humidity, and make summers feel disgusting (I know firsthand; I grew up in Iowa). The millions of acres of <a href="https://kolektiva.social/tags/prairie" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#prairie</a> that industrial farmland replaced — mostly to feed livestock and make ethanol — would have also produced loads of moisture, Basso said."But there are some key differences between native <a href="https://kolektiva.social/tags/ecosystems" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ecosystems</a> and <a href="https://kolektiva.social/tags/IndustrialFarmland" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#IndustrialFarmland</a>, he added. '<a href="https://kolektiva.social/tags/NativePrairies" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NativePrairies</a> are diverse ecosystems with a variety of plant species, each with different root depths and water needs, helping to create a balanced moisture cycle,' he told me. 'In contrast, corn and <a href="https://kolektiva.social/tags/soy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#soy</a> <a href="https://kolektiva.social/tags/monocultures" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#monocultures</a> are uniform and can draw water from the soil more quickly.'"Read more: <a href="https://www.vox.com/down-to-earth/369117/corn-sweat-explained-heat-wave-midwest?utm_source=pocket-newtab-en-us" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.vox.com/down-to-earth/369117/corn-sweat-explained-heat-wave-midwest?utm_source=pocket-newtab-en-us</a><a href="https://kolektiva.social/tags/CimateChange" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CimateChange</a> <a href="https://kolektiva.social/tags/IndustrialAgriculture" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#IndustrialAgriculture</a> <a href="https://kolektiva.social/tags/BigAg" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#BigAg</a> <a href="https://kolektiva.social/tags/Wetbulb" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Wetbulb</a> <a href="https://kolektiva.social/tags/Fieldworkers" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Fieldworkers</a> <a href="https://kolektiva.social/tags/HeatWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HeatWaves</a>

BellingenNSWDeforestation has big impact on regional temperatures"...Deforestation causes warming at distances up to 60 miles away. The greater the forest clearance, the higher the temperature. This is in addition to the wider climate impact of global heating."“We show that regional forest loss increases warming by more than a factor of four with serious consequences for the remaining Amazon forest and the people living there.” “More and more, we are demonstrating the big benefits the forests bring to surrounding regions. For farmers, they bring cooler air and more rainfall. Until now, studies on the impact of forest clearance on heat have concentrated on local effects with a clear correlation between loss of tree cover and higher temperatures in the area where the trees were cut down. The new research went further by looking at whether there is also a warming effect over a wider area." > <a href="https://www.theguardian.com/environment/2023/oct/30/deforestation-has-big-impact-on-regional-temperatures-study-of-brazilian-amazon-shows" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.theguardian.com/environment/2023/oct/30/deforestation-has-big-impact-on-regional-temperatures-study-of-brazilian-amazon-shows</a>Amazon deforestation causes strong regional warming "Tropical deforestation warms the climate with negative impacts on people living nearby." > <a href="https://www.pnas.org/doi/full/10.1073/pnas.2309123120" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.pnas.org/doi/full/10.1073/pnas.2309123120</a> <a href="https://mastodon.au/tags/drought" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#drought</a> <a href="https://mastodon.au/tags/Bushfires" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Bushfires</a> <a href="https://mastodon.au/tags/risks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#risks</a> <a href="https://mastodon.au/tags/NativeForests" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NativeForests</a> <a href="https://mastodon.au/tags/evapotranspiration" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#evapotranspiration</a> <a href="https://mastodon.au/tags/deforestation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#deforestation</a> <a href="https://mastodon.au/tags/heatwaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#heatwaves</a> <a href="https://mastodon.au/tags/ExtremeHeatwaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ExtremeHeatwaves</a> <a href="https://mastodon.au/tags/LoggingIndustry" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LoggingIndustry</a> <a href="https://mastodon.au/tags/NativeForests" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#NativeForests</a> <a href="https://mastodon.au/tags/LoggingIndustry" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LoggingIndustry</a> <a href="https://mastodon.au/tags/StopLogging" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#StopLogging</a> <a href="https://mastodon.au/tags/SaveTuckersNob" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SaveTuckersNob</a>

HistoPol (#HP) 🏴 🇺🇸 🏴(6/7)"...efficiency of <a href="https://mastodon.social/tags/SolarPanels" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#SolarPanels</a>.Cooling mechanisms:-<a href="https://mastodon.social/tags/evapotranspiration" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#evapotranspiration</a> -plants reflect less solar radiation than the bare soil - panel higher above ground...better air circulation"There are a lot more questions to answer about the relationship between solar energy and <a href="https://mastodon.social/tags/crops" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#crops</a> (how to more effectively plant, grow, and <a href="https://mastodon.social/tags/harvest" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#harvest</a> those crops underneath panels is a major one). This research is only the beginning...Max Zhang, a professor of mechanical engineering at <a href="https://mastodon.social/tags/CornellUniversity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CornellUniversity</a>"

arthurgesslerMortality of Scots pine is driven by long-term temperature increase and thus higher <a href="https://mastodon.social/tags/evapotranspiration" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#evapotranspiration</a>. This leads to stronger late summer soil water depletion. Under these conditions stochastically occurring <a href="https://mastodon.social/tags/precipitation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#precipitation</a> deficits lead to tree mortality - same precipitation patterns did not cause that under lower temperatures in the past: <a href="https://www.frontiersin.org/articles/10.3389/ffgc.2022.874100/full" rel="nofollow noopener noreferrer" target="_blank">https://www.frontiersin.org/articles/10.3389/ffgc.2022.874100/full</a>

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#evapotranspiration