How urbanization impacts hydrology
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The document discusses how urbanization impacts water bodies. In a forested catchment area, precipitation is slowed by vegetation which allows more water to infiltrate into the soil and groundwater. This maintains water table levels and base flow to rivers. However, with urbanization tree cover is removed, soil is compacted, and impervious surfaces are added. This leads to immediate runoff with limited infiltration. As a result, groundwater recharge is reduced along with water table levels. Rivers then experience sudden flooding during rains but dry out in summer without groundwater flows.
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This document discusses water resources sustainability and watersheds. It defines sustainability as meeting current needs without compromising future generations. It then defines a watershed as any surface area where runoff from rainfall is collected and drained to a common point, and describes key components of watersheds like tributaries, catchment areas, and groundwater. The document lists some major watersheds in the Philippines and asks students to consider the importance of protecting watersheds and our water resources.IRJET - Impact of Urban Development on Water Bodies and Environment
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The document discusses the impact of urban development on water bodies and the environment. It notes that ancient civilizations developed along river banks which provided essential water resources. However, modern unplanned urbanization has led to shrinking and pollution of water bodies in several ways. The large-scale paving over of land has reduced water absorption and increased runoff, while pollution from sewage, industrial waste, and religious practices has made water unsafe. This urbanization has also altered the water cycle by reducing rainfall through deforestation and increasing waste discharge. As a result, glaciers and groundwater are depleted while pollution grows. The shrinking and pollution of vital water bodies upsets ecosystems and harms human livelihoods.Hydrosphere notes
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The document summarizes the structure and distribution of Earth's hydrosphere. It notes that oceans contain 97% of the planet's water, with the remaining 3% consisting of fresh water found primarily as ice (2.3%), groundwater (0.4%), and surface fresh water (0.05%). It describes the locations and characteristics of oceans, ice, fresh water in rivers, lakes, groundwater aquifers, and wetlands.WATER SENSITIVE TOWNSHIP- SWATI 1.pptx
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The document discusses water sensitive cities and towns. It notes that population growth, climate change, and economic pressures pose challenges for water management. A water sensitive city aims to provide diverse water sources, protect ecosystems, and engage communities in sustainable water practices. Case studies from Hebei Province, China show how urbanization impacts water systems through increased impermeable surfaces and pollution. Strategies proposed include green roofs, permeable paving, rain gardens, and stormwater management to filter and infiltrate water on-site.Water Resources
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This document discusses various topics related to water resources including:
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- Causes and impacts of freshwater shortages including overuse, drought, and climate change.
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M.A. Sem - 2 | Presentation
Presentation Season - 2
Paper - 110A: History of English Literature From 1900 to 2000
Submitted Date: April 1, 2025
Paper Name: History of English Literature From 1900 to 2000
Topic: Shadows and Light: Exploring Expressionism in The Cabinet of Dr.油Caligari and Nosferatu: A Symphony of Horror
[Please copy the link and paste it into any web browser to access the content.]
Video Link: https://youtu.be/pWjHqo6clT4
For a more in-depth discussion of this presentation, please visit the full blog post at the following link:
Please visit this blog to explore additional presentations from this season:
Hashtags:
#GermanExpressionism #SilentHorror #Caligari #Nosferatu #Chiaroscuro #VisualStorytelling #FilmHistory #HorrorCinema #CinematicArt #ExpressionistAesthetics
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How urbanization impacts hydrology
- 1. How is urbanization impacting our water bodies A conceptual depiction Catch2water.blogspot.in
- 3. WATER TABLE
- 4. Precipitation is slowed down, helps infiltration Undergrowth Humus Runoff slows down Precipitation does not exceed infiltration Precipitation does not exceed infiltration WATER TABLE IS RECHARGED
- 5. Precipitation is slowed down, helps infiltration Undergrowth Humus Runoff slows down Soil pores gradually fill up helping infiltration Soil pores fill up much more slowly and infiltration continues WATER TABLE IS RECHARGED
- 6. Undergrowth Humus Runoff Runoff slows down Soil pores fill up and runoff is generated Soil pores fill up much more slowly and infiltration continues WATER TABLE IS RECHARGED
- 7. Moderate Runoff generation Moderate Runoff generation Higher ground water recharge which gradually flows towards the water body WATER TABLE Higher ground water recharge which gradually flows towards the water body
- 8. GRADUAL RISE IN RIVER Moderate Runoff generation Higher ground water recharge which gradually flows towards the water body Moderate Runoff generation Higher ground water recharge which gradually flows towards the water body WATER TABLE
- 9. Maintains base flow in River even during summers Subsurface water gradually flows towards the water body even months after rains Subsurface water gradually flows towards the water body even months after rains WATER TABLE
- 11. WATER TABLE
- 12. Undergrowth is removed Soil compacted, covered with roads, pavements Deep pumps drain out water and reduce the water table WATER TABLE IS DEPLETED
- 13. Almost Immediate runoff generation Limited percolation Limited infiltration Limited water table recharge
- 14. High runoff and artificial drainage from the city High runoff and artificial drainage from the city Low ground Water flow WATER TABLE Low ground Water flow
- 15. Low ground Water flow High runoff and artificial drainage from the city leads to sudden swelling of river and flooding WATER TABLE Low ground Water flow
- 16. Low ground Water flow The runoff drains faster and lesser water is left in the river WATER TABLE Low ground Water flow
- 17. Low ground Water flow With no groundwater flow to recharge the river in summers, the river dries out WATER TABLE Low ground Water flow