Ogallala Aquifer
E50494
The Ogallala Aquifer is one of the world’s largest underground freshwater reservoirs, supplying crucial irrigation and drinking water across much of the central United States.
Aliases (3)
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
aquifer
→
groundwater reservoir → natural resource → |
| composition |
clay
→
gravel → sand → silt → |
| country |
United States
→
|
| extendsUnder |
Colorado
→
Kansas → Nebraska → New Mexico → Oklahoma → South Dakota → Texas → Wyoming → |
| geologicAge |
Tertiary
→
|
| importance |
critical to U.S. agricultural output
→
one of the world’s largest freshwater aquifers → |
| issue |
declining water levels
→
groundwater depletion → overpumping for irrigation → sustainability concerns → |
| locatedIn |
Great Plains
→
High Plains → |
| majorCropsIrrigated |
corn
→
cotton → sorghum → wheat → |
| managementConcern |
groundwater management policy
→
water conservation → |
| namedAfter |
Ogallala, Nebraska
→
|
| partOf |
High Plains Aquifer system
→
|
| primaryFormation |
Ogallala Formation
→
|
| rechargeRate |
slow
→
|
| rechargeSource |
precipitation
→
surface water infiltration → |
| regionType |
semi-arid
→
|
| studiedBy |
United States Geological Survey
→
|
| supports |
agricultural production
→
industrial water use → major crop irrigation → municipal water supply → rural communities → |
| threat |
climate variability
→
drought → |
| use |
drinking water supply
→
irrigation → livestock watering → |
| waterType |
freshwater
→
|
Referenced by (4)
| Subject (surface form when different) | Predicate |
|---|---|
|
Great Plains
→
|
contains |
|
Ogallala Aquifer
("High Plains Aquifer system")
→
|
partOf |
|
Ogallala Aquifer
("Ogallala Formation")
→
|
primaryFormation |
|
Eastern Colorado
("Ogallala Aquifer (in southeastern and eastern portions)")
→
|
waterSource |