Water in this area may have been leftover from ancient times when saline seas occupied the western U.S., and, also, as rainfall infiltrates downward into the ground, it can encounter rocks that contain highly soluble minerals, which turn the water saline. In New Mexico, approximately 75 percent of groundwater is too saline for most uses without treatment (Reynolds, 1962). There is an extensive amount of very salty water in the ground in the western United States. But, hundreds of miles from the Pacific Ocean, the residents of states such as Colorado and Arizona can "enjoy a day at the beach" by just walking outside their house, for they may be right next to saline water. Naturally, when you think of saline water you think of the oceans. By the way, ocean water contains about 35,000 ppm of salt.Highly saline water - From 10,000 ppm to 35,000 ppm.Moderately saline water - From 3,000 ppm to 10,000 ppm.Slightly saline water - From 1,000 ppm to 3,000 ppm.Here are our parameters for saline water: If water has a concentration of 10,000 ppm of dissolved salts, then one percent (10,000 divided by 1,000,000) of the weight of the water comes from dissolved salts. In this case, the concentration is the amount (by weight) of salt in water, as expressed in "parts per million" (ppm). Farm tracts in green and grey rectangular patterns indicate agricultural regions.įirst, what do we mean by "saline water?" Water that is saline contains significant amounts (referred to as "concentrations") of dissolved salts, the most common being the salt we all know so well-sodium chloride (NaCl). Major thoroughfares and residential areas, such as the bright one in the suburbs, are clearly visible, also. A major airport can be seen immediately east of downtown Montevideo. The white beach and sand dune areas are plainly visible along the coast. Note the small Isla del Tigre at the mouth of the Santa Lucia. The Santa Lucia River enters the Rio de la Plata west of Montevideo and is the major drainage for the region. The red plum in the Rio de la Plata is probably sediment moving seaward. The large body of water is Rio de la Plata which flows into the South Atlantic Ocean at the bottom of the picture. Why is the ocean salty? Rivers discharge mineral-rich water to the oceans is from outflow from rivers, which drain the landscape, thus causing the oceans to be salty.(July-September 1973) - A vertical view of the Montevideo, Uruguay area of South America is seen in this Skylab 3 Earth Resources Experiments Package S190-B (five-inch Earth terrain camera) photograph taken from the Skylab space station in Earth orbit. Sources/Usage: Some content may have restrictions.
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7/1/2023 04:38:43 pm
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