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Quizlet ogallala aquifer
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The Ogallala Aquifer was found in 1889. Since then, 170,000 wells have been made, just in SW Kansas. If we stop pumping right now it will take hundreds of years to refill. If we use it until it is completely dry, it will take 6,000 years to naturally refill. One of the main reasons the aquifer is drying up so fast is center pivot irrigation, which is used by a lot of farmers in SW Kansas. 50% of the water brought up through the wells to water crops is wasted. Water is being pumped out much faster than the Ogallala Aquifer can replenish, therefore dropping the water levels in the aquifer severely.
The Ogallala Aquifer began forming over 5 million years ago. It stretches beneath 174,000 square miles of land. Its depth reaches between 100 ft and 400 ft below the surface. The aquifer runs from west to east and fluids move from 25 to 300 feet per day. The average annual recharge rate of the aquifer is .85 in/year or 21.59 mm/year.
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If it dries up, it will cause farms to become uninhabitable. SW Kansas makes $5 billion off of the aquifer from farming. It also makes $384.4 billion off of the beef from the cattle that eat the crops. Another $1.75 billion is made from corn production. 4.3%, that is the amount of jobs in Kansas that are based off of the aquifer. The drying of the aquifer will affect all of Kansas, and all of the
How is development creating longer term problems for groundwater storage ? Cities like Phoenix and Las Vegas are built in the desert. This whole process relies on water from two sources: 1. River water pumped from the Colorado system 2. Groundwater held in aquifers below ground.
Groundwater remained the main supply until 1971 which was when Las Vegas became more dependent on Colorado River water due to the “Southern Nevada Water System” (Brown, n.d.; Larsen et al., 2015). Since then up to 90,000 acre-feet of groundwater has been pumped on a yearly basis, this value surpasses the natural groundwater recharge (Laczniak et al., n.d.). Rain as well as snow serves as the primary sources of groundwater recharge for the aquifers while precipitation plays a minor role (Laczniak et al., n.d.). Due to there not being balanced discharge and recharge this has led to subsidence and as a result of this subsidence the storage capacity of aquifers has decreased due to compaction (Laczniak et al., n.d.). It is estimated that 187,000 acre feet of storage capacity in the aquifers has been lost due to compaction (Laczniak et
With the changes coming from global warming and increased greenhouse gasses, there will be many impacts to Texas over the coming decades. One of these impacts is the effect on our water resources. Texas’ main source of fresh water is precipitation, coming almost completely from rainfall. With temperatures rising and with an expectation that precipitation levels will most likely drop in coming years, this combination will put great stress on our water reservoirs. If we continue our current usage rates of water and if recent climate changes continue to persist then we will see a huge decrease in our water reservoirs. Also, given that we are in a drought, it appears that conditions are getting worse every year, posing a serious problem for the future if this issue is not addressed now.
The Colorado River is formed by small streams created by a huge amount of snowmelt from the Rocky Mountains. The ecology and flow of the river varies highly by region. The river is divided into two different regions, the Upper Basin and the Lower Basin. Beginning in the early 1900s, western states began to build dams in the Colorado river, diverting the water flow to fast growing cities like Los Angeles, San Diego, and Phoenix. The river now services over 30 million in the southwestern parts of the United States and Mexico (Patrick 1). Diverting the water of the nation’s seventh-longest river may be seen has a great accomplishment, however to others this is a great crime against nature. Over the past couple years the river has been running significantly low, since a drought has come up the southwest. At the lakes edge, “bathtub rings”, lines in the rock walls, can be seen showing the decrease in water level. It is recorded in some areas of the river that the water has lowered 130 feet since 2000. Some water resource officials say those areas will never be filled back to normal. The surrounding states must adjust to living with less water or further actions need to be taken to save the river’s water. There has been some talk about adding water to the river to replenish the river but nothing has hap...
The Colorado River resides in North America at 1,450 miles long it spans from the Rocky Mountains of Colorado flowing southwest through six other states into Mexico. During the 19th century, settlement within this region was limited to merely accessing the Colorado River. Back then adjacent water was strictly used to support life. Today, with our advanced water treatment and transportation methods, water is known for its more loose sense of sustaining “life” and that is of an economic sense. Now, we utilize water for more than just drinking. We apply water to trigger industry, mass produce agriculture, generate power and even recreationally. With our new thirsts we encounter dizzying demands for water. As we use this water for economic gains we take increasing amounts from the river. The water that is returned is then of severely lower quality causing detrimental effects to biologic life. To complicate the problem at hand the Colorado River has experienced drought since 1999. Currently, according to The Bureau of Reclamation, most areas of the river are experiencing extreme drought conditions. The Colorado River is not only degrading, but also drying up due to climate change and poor water management, consequently modern human development is impeded and the environment permanently scarred, therefore to prevent further damage local and state authorities should plan to alter wasteful methods of water management.
Regardless of what someone’s standing is on the water crisis debate, it is very apparent that there isn’t going to be any short term solution to this problem. As stated by Steve Kandra and another speaker, the way I understood it was that the current biological order is in place for ten years. This doesn’t leave any room for improvement. Another factor to consider is that there is 70% less rain fall this year compared to the average. This is going to be very difficult for them to keep the water levels stable without the irrigators even taking any water. On MSNBC, a reporter discussed the current conditions around the Klamath Basis as well as a number of other places throughout the west. Many states involved with the problem of dramatically less rain fall have already declared a drought for summer.
Planning Commission, 2007. Report of expert group: Groundwater Management and Ownership, New Delhi: Government of India.
Have you ever wondered how much of the Earth’s water is drinkable? Well, the surface of the Earth is made up of 70% water. 97% of that water is saline, meaning salt water, which is found in oceans and seas. The last 3% is freshwater which humans need to survive and that number is going down (Mohan). In the U.S., droughts, floods, and climate changes are rapidly going up. It is suggested that by the next 10 years one of many regions in the U.S. is going to face a water shortage (Kincaid).
Climatologists predict this will result in regular periodic droughts to happen for the next 15 years unless manageable laws are put into place in order to regulate the water sources. “Dan Hardin, water resource planning director at the Texas Water Development Board, said the state’s economy would lose $12 billion annually if current drought conditions continue and the state fails to enact legislation that would address the statewide water shortage. If conditions worsen, the state’s economy would lose $116 billion per year during the 2060s.” (Joshua Fechter; Daily Texan
The water levels in the Colorado River continue to fall as the seven states that rely on it for water grow. With this growth, we must stop wasting water or we will see the water supply drop to even more alarming levels. Some states have started to implement rewards to residents who remove their grass lawns or put strict rules on their water usage, however, even if we slow our consumption and waste, we are using our water at an unsustainable rate. Global warming, in combination with our current drought, has made this an issue for our generation and not the next.
To begin, people need homes and shelter but, in this nation, we have a lot. When construction companies create new communities and build up cities, they have to put roads in. In the article, "Local Government Should Place Limits on New Building Developments" by Liz Phillips and Tom Warhol it states, "When rain falls on a forest or field, if soaks into the soil and eventually trickles down to the aquifer; but when it falls on an asphalt parking lot or city street, it typically runs off to a sewer and eventually to a river or lake, preventing the recharge of the aquifer" (3-3). As these cities and towns are built up, the aquifer, where many cities get their water, is not being recharged like it used to. Statistically, "About 40 percent of Americans get their water from aquifers"(Phillips 3-3) so, if the...
The few rivers and lakes that exist do not contain a sufficient supply of water to meet the demand of the populace. This requires the majority of the water that is supplied to come from groundwater. Ground water is a series of aquifers, springs, and wells that store water beneath the surface. These underground water resources take time to accumulate because they are filled by surface runoff that has to seep through pores and crevices in soil, sands, and rock. In arid climates it takes even longer to accumulate because of the lack of precipitation each year. At the current rate of ground water pumping the water that is being pumped out of aquifers and springs is greater than it is replenished naturally. With population expected to grow in Tucson and around Arizona the groundwater depletion will only continue to
Currently the demand for water is exceeding the supply and it will continue to arise in the future. The population is increasing rapidly and most of that population is located at the drier, southern part of the state
Due to its extraordinarily high quality and availability, we take groundwater as an advantage and now we experience groundwater management problems all over the world. Ground water contributes worldwide about twenty percent of people’s fresh water (Kinzelbach, Bauer, Siegfried, and Brunner). Groundwater is considered the most suitable for drinking, but we didn’t realize that over pumping ground water could be vulnerable to degradation, which leads to drying wetlands, deterioration in water quality, and increasing salinization. As groundwater cannot be renewed artificially on a large scale, sustainable management of this resource is vital (Kinzelbach, et al.). For groundwater to recharge itself, it would depend on precipitation because it is the main source for creating ground water and it is something out of our control. We experience groundwater depletion due to excessive pumping of an aquifer and this results in degradation of water quality, impacting natural wetlands, and affecting drinking water from contamination, in order to recharge groundwater, we would need to understand what would be impacted, scientific tools to help assist in groundwater sustainability management, and different techniques that we could use to artificially recharge groundwater.
In an age when man has forgotten his origins and is blind even to his most essential needs for survival, water along with other resources has become the victim of his indifference. South Africa, one of the most advanced countries in Africa, with a thriving economy based on technology and agriculture, is currently facing a downward slope in terms of water availability.