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Mother Nature Network

15

Jan

Why cemeteries are a great place to track acid rainTo a geologist, a gravestone can offer information other rocks can’t. One project is using gravestones to better understand how the elements, particularly acid rain, are weathering rocks around the world, and how that’s changed over time.

Why cemeteries are a great place to track acid rain
To a geologist, a gravestone can offer information other rocks can’t. One project is using gravestones to better understand how the elements, particularly acid rain, are weathering rocks around the world, and how that’s changed over time.

28

Feb

Why cemeteries are a great place to track acid rainThat date of death gives a good estimate of when the stone went into the ground above the grave and began to face elements. The wear and tear on the stone that follows can be caused by freezing and thawing temperatures, lawn care machinery and rain made acidic by pollutants it has picked up in its course through the atmosphere.

Why cemeteries are a great place to track acid rain
That date of death gives a good estimate of when the stone went into the ground above the grave and began to face elements. The wear and tear on the stone that follows can be caused by freezing and thawing temperatures, lawn care machinery and rain made acidic by pollutants it has picked up in its course through the atmosphere.