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The document discusses global water resources and usage. It notes that most water is stored underground as groundwater and that groundwater plays a key role in the water cycle. It also summarizes that most global water usage is for agricultural purposes and that many regions and countries are facing water stress or shortages as usage exceeds renewable supply. Poor water management policies and practices in some areas like Yemen are exacerbating existing water challenges.
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Water Resources. (1st Year B. Pharmacy, Sem-II, EVS Subject, Unit-I)
1st Year B. Pharmacy, Sem-II, Contains Water Resources from the topic natural resources.
Student should able to know what is natural resources in that water resources.
Following Presentation Content Introduction, Types of water Resources, Use and Overuse of water, Problems associate with water resources above mentioned points gives in detailed in presentation. it is useful for students for their exams.
Water resources
Vijay's presentation discusses water resources and related topics. It notes that fresh water is a renewable yet decreasing resource. It describes the major uses of water as agricultural, industrial, household, and environmental. The document then discusses sources of fresh water such as surface water and groundwater. It also covers topics like floods, drought, conflicts over water, and more.
water resources
This document discusses water resources and rainwater harvesting. It covers topics like the sources and divisions of water resources, including surface water, groundwater, desalination, and frozen water. Uses of water resources include agricultural, industrial, and household uses. The document also discusses ways to conserve water, the benefits of rainwater harvesting, and techniques for rainwater harvesting like collection, storage, and recharge of groundwater. Rainwater harvesting provides many benefits like self-sufficiency of water supply and improved groundwater quality.
Water
Water is used for agricultural, industrial, and domestic purposes. Agricultural uses include irrigation of crops, which requires large amounts of lower quality water. Industrial uses involve both consumptive processes that use water, like manufacturing, and non-consumptive processes like cooling. Domestic water is used for drinking, bathing, cleaning, and other household activities. The quality of water needed depends on its intended use.
14 water
The document discusses various topics related to water usage and conservation. It covers:
1) Why water conservation is important given its scarcity and essential role for life. Freshwater resources are limited and many regions face water shortages.
2) The main categories of water usage - domestic, agricultural, and industrial. Agricultural usage accounts for the majority through irrigation. Industry mostly uses water for cooling purposes.
3) The sources and impacts of water pollution including point sources, non-point sources like agricultural runoff, and how groundwater especially is difficult to clean once polluted.
4) Key US water legislation and their goals like the Clean Water Act to improve water quality and the Safe Drinking Water Act
pollution of water and water source, water quality
This document provides an overview of water resources and water pollution. It discusses how most of Earth's water is salt water and only 3% is freshwater, with much of the freshwater locked up in glaciers and ice caps. It outlines the water cycle and sources of water for human use. It also discusses the many purposes of water for public supplies, industrial processes, agriculture, recreation, and more. Finally, it defines water pollution and notes that pollution is a major global problem caused by both natural phenomena and human activities.
Similar to Eses%20200%20water 1 (20)
Water Resources. (1st Year B. Pharmacy, Sem-II, EVS Subject, Unit-I)
Water Resources. (1st Year B. Pharmacy, Sem-II, EVS Subject, Unit-I)
pollution of water and water source, water quality
pollution of water and water source, water quality
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The document provides an overview of environmental policy in the US, including:
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The document discusses the history of land use and development in North America. It notes that early colonists settled near waterways and converted land to farming and towns. The industrial revolution triggered a rural to urban population shift as jobs moved to cities. Suburban migration was spurred by undesirable central city conditions and availability of inexpensive, developable land nearby. This led to low-density, unplanned urban sprawl characterized by separated land uses, lack of transportation options, and loss of open space. Problems of sprawl include increased traffic, air and water pollution, infrastructure and maintenance costs, and environmental impacts. The document advocates for land use planning principles like preserving open space, mixed uses, and transportation choices to combat these issues and promote smart
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Eses%20200%20water
The document discusses global water resources and usage. It notes that most water is stored underground as groundwater and that groundwater plays a key role in the water cycle. It also summarizes that most global water usage is for agricultural purposes and that many regions and countries are facing water stress or shortages as usage exceeds renewable supply. Poor water management policies and practices in some areas like Yemen are exacerbating existing water challenges.
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Eses%20200%20water 1
- 1. ESE 200 Water in the Earth System
- 4. Where’s all the water stored ?
- 5. Where’s all the water moving ?
- 7. Nevada e.g.
- 12. Most water use is agricultural
- 14. US trend is different
- 16. Imbedded water
- 17. Imbedded water Small coffee of the day = 50 gallons of water!
- 18. Small coffee of the day = 50 gallons of water! ¼ pounder patty = 500 gallons of water Imbedded water
- 20. Proportion of water resources Size of country represents size of water resource
- 21. Proportion of water use Size of country represents use of water
- 25. Groundwater and the Water Table 2% to 25% of rainfall
- 38. Groundwater: recharge rates differ by depth Millennia Centuries Decades Years Days Flow lines Confining beds Wells Water table Discharge area Unconfined aquifer Confined aquifers
- 47. Ground Water Contamination Water table is raised under a landfill (higher surface and permeable trash)
- 48. Ground Water Contamination Water table is raised under a landfill (higher surface and permeable trash) Soluble pollution moves in the same direction as the groundwater flow
- 53. Future needs? Is this extra water available? UN
- 54. Predicted water availability UN projection
- 55. Predicted water availability UN projection Currently, US uses ~4000 cubic meters/person/year
- 57. Predicted water scarcity Each group: come up with one policy (large or small) that would minimize the impact of water scarcity on one of the red areas. Simply estimate the major cost and benefit(s).
- 65. Virtual Water trade Doesn’t quite match, this data from 1997
- 66. Virtual Water trade Doesn’t quite match, this data from 1997 Yemen
- 67. Yemen A county with problems: semi civil-war, undemocratic, poor: 154 out of 180 Corruption Perceptions Index Transparency International 140 out of 182 Human Development Index United Nations Development Programme 119 out of 144 Global Peace Index Institute for Economics and Peace Ranking Survey Organization