November 13th, 2015
It’s the first time the public is able to see the life-size replica of the giant 6-foot sea scorpion. “We had about a month and a half to work on it. We were able to to figure out how this creature might have looked from 450-million years ago,” said the artist Dennis Wilson.
October 29th, 2015
In this age of Google Earth, it’s hard to imagine a time when our world was unmapped and unknown. Today, with the touch of a screen, we can get directions to almost anywhere. However, it’s one thing to know where you are versus what lies under your feet.
September 14th, 2015
For decades, farmers across Iowa have installed a network of drainage tubes known as tiles under the lush soil to create some of the world’s most productive farmland. But that same underground drainage system is also being blamed for environmental problems, including excess nitrates in Iowa’s waterways. Here’s a quick look at the problem and how tiling works.
September 13th, 2015
A network of tiles running under 12 million acres of rich Iowa soil has transformed once swampy lands into some of the nation’s most productive farmland. But the same underground drainage system that has turned the state into an agricultural powerhouse is also being blamed for environmental problems.
September 11th, 2015
The legislature has increased state funding for water quality initiatives by millions of dollars since the 1980s, but we haven’t seen substantial improvements since then.
September 2nd, 2015
The six-foot-long Pentecopterus decorahensis is just one of the many fossils unearthed at the Decorah impact structure by a team of researchers from the University of Iowa, Yale University and the Iowa Geological Survey (IGS).
July 13th, 2015
Series of informational brochures to help the RAGBRAI participants learn about Iowa’s geology, culture, and natural characteristics
May 26th, 2015
The goal of this project is to measure Nitrate and Phosphorus concentrations in surface water and groundwater at a subset of Iowa golf courses to assess the risk posed by these facilities.
April 13th, 2015
Nitrate levels in Iowa’s major rivers have increased more than threefold since the 1950’s, but have stabilized – and even slightly declined – in recent decades, according to an in-depth review of available research.
April 12th, 2015
Under its Nutrient Reduction Strategy, Iowa wants to reduce nitrogen and phosphorus levels by 45 percent in the state’s waterways, looking at all sources of pollution.
April 10th, 2015
The Mobile Museum takes some of the University of Iowa’s most exciting research, artifacts and interactive media to Iowans across the state. The new “Water Underground” exhibit has three parts : The Chemistry of Water, Iowa’s bedrock aquifer systems, and Arsenic in drinking water.
April 2nd, 2015
The UI Mobile Museum, which updated its exhibits over the winter, will launch its second season with a visit to Lucas Elementary School in Iowa City.
A comparison of soil properties observed in farmed, restored and natural closed depressions on the Des Moines Lobe of Iowa
February 25th, 2015
Article published by Matthew T. Streeter (Iowa Geological Survey) and Keith E. Schilling (Iowa Geological Survey) in Volume 129 of CATENA.
February 17th, 2015
Research shows topography can help narrow field of conservation choices.
February 7th, 2015
Article published by Keith Schilling (Iowa Geological Survey), Peter Jacobson (Department of Biology, Grinnell College) and Jason Vogelgesang (Iowa Geological Survey) in the Journal of Environmental Management.
November 16th, 2014
Rapidly growing industrial and residential use of the Jordan Aquifer is prompting Iowa environmental leaders to consider new restrictions to better protect the massive underground water source.
November 14th, 2014
Iowa Geological Survey to study the caverns next week.