Popular in People and Environment (I)
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This 0 page Class Notes was uploaded by Alexandra Torres on Monday December 7, 2015. The Class Notes belongs to ISS 310 at Michigan State University taught by Dr. Lucero Radonic in Fall 2015. Since its upload, it has received 19 views. For similar materials see People and Environment (I) in Social Work at Michigan State University.
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Date Created: 12/07/15
Lecture 20 Water The hydraulic era began in the US The water problem how can we deal with the spatiotemporal variability We live in a blue planet but only 25 is consumable water and 25 of that is glaciers and 30 of that is ground water and not all of it is available for human consumption Population growth in cities where there is not much water Challenge How can we move water across time and space Motivation of the hydraulic era The great American Desert Cities like LA are the result of the hydraulic era People who needed to transport water reformed the system Colonization 1800 Miners going to California Start to settle the west Indigenous people lived there already They had survival strategies Example of pre American Indian civilization Hohokam created the largest system of American irrigation systems Video Rivers were enough to help population growth Water law and rights A part of the US area belonged to Spain in colonial time Then that territory becomes part of Mexico and nally it is added to the US territory Spanish law water was owned by the state First it belonged to the crown and then to the community English law Two types 1 Riparian principle places that have a lot of water 0 Associated to land ownership If you own land then you have right on the water that surrounds it Relative but not absolute Share with the families that live close Parity Protect water availability in the future Prior appropriation in arid lands arid lands The rst person that comes uses the resources Logic you use it or you loose it If you do not use your water you will looseit oooo Anglo Settlement of the west They had a lot of land but a little water Lack of government discontent from the American Indian population 0 Water limited the growth 1948 Gold rush People trying to go to California People settle in Arizona Homestead Act 1849 People who wanted to go California to get gold They will give people land 160 acres in property Desert Land act They gave more land but the condition was to irrigate the land Objective Create an agricultural society at the West of the country Settling families on the land 0 Prior appropriation basis of water law 0 Key bene cial use requirements 0 Water diversion storage and usage People start working together to build water infrastructure Lack of money knowledge and technical skills made people starve 1902 Reclamation act Context Dramatic failure of private water development ooding and drought Created Reclamation Service Bureau of Reclamation 0 Maintain irrigation works for the storage diversion and development of waters Meaning that if it goes to the sea is wasted Hydraulic era have the objective of providing water for irrigation 1930 Great depression Hoover dam multipurpose dam Beginning of the US hydraulic era The dam was going to be built in Colorado Prior appropriation also works between states Colorado rives over used by all the states We have less water than we thought we have Central Arizona project 1973 Built in 20 years It is the largest project of the hydraulic era It used a lot of energy It pumped water from the Colorado river to areas that have no connection with the Colorado river OOOO