HTTP:: How Air Flows Can Move Mountains
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According to a new scientific study, it may be that air tides, or atmospheric-pressure fluctuations, are capable of causing massive landslides. The investigation that led to this conclusion was conducted on the Slumgullion landslide, a landscape feature located in the San Juan Mountains of southwestern Colorado, and that has been going downhill for about 700 years. The rocks inside move to the base of the mountain at an average speed of about one millimeter every two hours, but they seem to be going even faster at night. This is very peculiar, Nature News reports. Geology books tell us that such long-lasting slides usually flow faster during the day, and then reduce their speed at nighttime, due to the fact that the water that may be making it easier for the rocks to slide on top of each other freezes. But the Slumgullion is weird because its flow accelerates during the spring snow melt, but also during the night. These mysterious movements captured the attention of exper!
t William Schulz and his team, all from the United States Geological Survey (USGS). They monitored the site for about two months, installing measurement equipment at two locations on the landslide. The team monitored the water pressure inside pores in the soil, external weather conditions, as well as the speed of the slide, hourly. They determined t...
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