Are there any ecological impacts from the dam and power plant system in Idaho Falls, especially relating to fish movement across the concrete barrier at the Broadway Bridge?

Great question about dams!   While dams change the ecological makeup of any river that they are placed in, their biggest impact for fish comes in relation to movement.  Unless a dam is specifically built to allow fish to move both downstream and upstream, it becomes a barrier.  To some fish this is more critical than…

What makes a foggy day?

Answered by Nicole Peterson, Meteorologist, National Weather Service-Pocatello Office Fog is simply a cloud, but on the ground. In order for fog to form, there needs to be moisture in the air. Fog typically forms overnight when the air near the ground cools, and disappears in the morning when the sun warms up the air.…

Do badgers hibernate in the winter?

Question answered by Bryan Bybee, Biologist, INL ESER Program The simple answer is that badgers do not hibernate. Hibernation is a seasonal behavior pattern characterized by long periods of reduced body temperature, inactivity, lowered heart and breathing rates, and suppressed metabolism. Body temperatures may be reduced to nearly that of the surroundings. By this definition,…

We are currently studying clouds and rain. We were wondering what percentage of a cloud is actually water and what percentage of a rain cloud is dust and or other things?

Answered by Dennis Finn, Research Meteorologist, NOAA, Idaho Falls Most water in the atmosphere is in the form of water vapor, a gas. Warm air holds more water vapor than cold air. For a climate like Idaho Falls, water vapor content is typically about 0.4-0.5% in the summer and less than half of that during…