Attention Deficit Disorder Prosthetic Memory Program

Sinkhole

ADDPMP191
Sinkhole - © Attention Deficit Disorder Prosthetic Memory Program

Sinkholes may capture surface drainage from running or standing water, but may also form in high and dry places in specific locations. Sinkholes that capture drainage can hold it in large limestone caves. These caves may drain into tributaries of larger rivers.

The formation of sinkholes involves natural processes of erosion or gradual removal of slightly soluble bedrock (such as limestone) by percolating water, the collapse of a cave roof, or a lowering of the water table. Sinkholes often form through the process of suffosion. For example, groundwater may dissolve the carbonate cement holding the sandstone particles together and then carry away the lax particles, gradually forming a void.

Collapses, commonly incorrectly labeled as sinkholes also occur due to human activity, such as the collapse of abandoned mines and salt cavern storage in salt domes in places like Louisiana, Mississippi and Texas. More commonly, collapses occur in urban areas due to water main breaks or sewer collapses when old pipes give way. They can also occur from the overpumping and extraction of groundwater and subsurface fluids.

Sinkholes can also form when natural water-drainage patterns are changed and new water-diversion systems are developed. Some sinkholes form when the land surface is changed, such as when industrial and runoff-storage ponds are created; the substantial weight of the new material can trigger a collapse of the roof of an existing void or cavity in the subsurface, resulting in development of a sinkhole.

Sinkhole - © Attention Deficit Disorder Prosthetic Memory Program
Jho Low - © Attention Deficit Disorder Prosthetic Memory Program
ADDPMP226
Jho Low
Vacuum Effects - © Attention Deficit Disorder Prosthetic Memory Program
ADDPMP368
Vacuum Effects
Gabrielle d'Estrées - © Attention Deficit Disorder Prosthetic Memory Program
ADDPMP033
Gabrielle d'Estrées
The Richat Structure - © Attention Deficit Disorder Prosthetic Memory Program
ADDPMP450
The Richat Structure
Axis of Evil - © Attention Deficit Disorder Prosthetic Memory Program
ADDPMP082
Axis of Evil
Synchronicity - © Attention Deficit Disorder Prosthetic Memory Program
ADDPMP373
Synchronicity
Inferno Planet Wasp-76b - © Attention Deficit Disorder Prosthetic Memory Program
ADDPMP157
Inferno Planet Wasp-76b
Clathrus Ruber - © Attention Deficit Disorder Prosthetic Memory Program
ADDPMP344
Clathrus Ruber
Cerne Abbas Giant - © Attention Deficit Disorder Prosthetic Memory Program
ADDPMP021
Cerne Abbas Giant
Hyperart Thomasson - © Attention Deficit Disorder Prosthetic Memory Program
ADDPMP549
Hyperart Thomasson
Tamu Massif - © Attention Deficit Disorder Prosthetic Memory Program
ADDPMP203
Tamu Massif
Wound Man - © Attention Deficit Disorder Prosthetic Memory Program
ADDPMP051
Wound Man

You are using an outdated browser.
Please upgrade your browser to improve your experience.