Credit: University of Tennessee
Adjusting the water flow rate in a river can prevent invasive species from moving upstream and expanding their range. An applied mathematician at UT has developed a partial differential equation model to find the desired flow rate to reduce invasive populations.
The model is detailed in a new paper by Suzanne Lenhart, Chancellor’s Professor and James R. Cox Professor of Mathematics, published in Mathematics.
A history of drought refugees in America.
San Francisco, CA (PRWEB) – It was 83 years ago this week, when 23 car and truck-loads of migrant families were reported to have crossed the California-Arizona border in a single day. They were among tens of thousands of poverty-stricken families who found themselves without water in 1936, as drought and erosion in the Southern Plains swept through about 100 million acres of … [more…]
The Urban Design Program at Columbia is investigating climate resilience at multiple scales and collaborating with partners in institutions around the world and within the University from science & engineering, journalism, conflict resolution, economics and social justice. Water is constantly in motion, changing states, crossing borders, nourishing (and destroying) life. How can water and urbanism be considered together as a generative frame for urban design practice, social life, and ecological … [more…]
When you put a tardigrade under a microscope, you never know what you’re going to get. These weird-looking ‘water bears’ are some of the strangest creatures on the planet, and they are constantly surprising us. Even once you see them with your own eyes, it can be hard to figure out what the heck is going on.
Biologist Rafael Martín-Ledo has been studying marine microfauna such as tardigrades for years, … [more…]
IMAGE: North Carolina State University researchers have developed the first portable technology that can test for cyanotoxins in water. To test for cyanotoxins, users place a drop of water on a customized chip, then insert it into a reader device which connects to a smartphone. These images are screenshots of the smartphone app of the cyanotoxin sensor. Left: Welcome page. Right: Data analysis page. Credit: Qingshan Wei, NC State University… [more…]