Mar 18
Aggressive round goby fish are causing mayhem in the Great Lakes. Hook yourself up with the intel: There’s trouble in the Great Lakes, and plenty of it’s coming from a non-native, bottom-dwelling fish called the round goby. These fish hitched a ride in the ballast waters of ships and arrived in the lakes uninvited. This …
Permanent link to this article: http://www.currentcast.org/creature-features/invasion-of-the-bottom-dwelling-gobies/
Mar 16
What does a long-gone glacier have to do with Michigan being shaped like a mitten? Pretty much everything. Listen up: Let’s go back about 14,000 years to what’s now the Great Lakes region. Back then, the entire area was covered with a sheet of ice that averaged a half-mile thick, but was up to four …
Permanent link to this article: http://www.currentcast.org/water-and-climate-change/of-ice-and-mittens-or-how-the-great-lakes-formed/
Mar 13
Pondering the depth of the Great Lakes turns up some surprising revelations. Think on this: If you drop a stone into one of the Great Lakes, how far will it travel before it hits the bottom? The longest journey will be in Lake Superior, where the stone will cruise through the cleanest, clearest, and coldest …
Permanent link to this article: http://www.currentcast.org/water-and-recreation/deep-lakes-deep-thoughts/
Mar 12
Using gravity to predict floods is a weighty topic. So when satellites that measure gravity have something to say, we listen: NASA satellites monitor changes in the earth’s gravity field. Yes—gravity changes! So what does that have to do with flooding? JT Reager of the NASA Jet Propulsion Laboratory says shifting water masses play a …
Permanent link to this article: http://www.currentcast.org/stormwater-management/gravity-and-groundwater/
Mar 11
Farmers are getting smarter with smart technology that advances water and fertilizer strategy. Dig it: GPS tracking, drones, and other remote sensing devices aren’t just for techies—they’re all increasingly being used on large-scale farms to measure factors like soil moisture and nutrient levels. The practice, known as precision agriculture, allows farmers to fine-tune watering and …
Permanent link to this article: http://www.currentcast.org/agricultural-runoff/the-downlow-on-high-tech-farming/
