AS Level Physical Geography - Hydrology and Fluvial GeomorphologyArm Punyathorn
Water is an agent of change in the atmosphere, geosphere and biosphere. In this chapter we will try to understand the passage of water as it changes states.We will also look at how the forces of river can shape land forms as well as civilization
Hydrology and Fluvial Geo morphology for CAMBRIDGE AS level Yonas Gemeda
This power point lesson describes about the hydrology and rivers work in detail with different tools, which is more important for students and candidates of Cambridge Examination at AS level.
Soil water movement
Soil water movement
Soil water movement
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AS Level Physical Geography - Hydrology and Fluvial GeomorphologyArm Punyathorn
Water is an agent of change in the atmosphere, geosphere and biosphere. In this chapter we will try to understand the passage of water as it changes states.We will also look at how the forces of river can shape land forms as well as civilization
Hydrology and Fluvial Geo morphology for CAMBRIDGE AS level Yonas Gemeda
This power point lesson describes about the hydrology and rivers work in detail with different tools, which is more important for students and candidates of Cambridge Examination at AS level.
Soil water movement
Soil water movement
Soil water movement
Soil water movementSoil water movementSoil water movementSoil water movementSoil water movementSoil water movementSoil water movementSoil water movementSoil water movementSoil water movementSoil water movementSoil water movementSoil water movementSoil water movementSoil water movementSoil water movementSoil water movementSoil water movementSoil water movementSoil water movementSoil water movementSoil water movementSoil water movementSoil water movement
Hydrology and irrigation engineering cel 303Gaurav Mittal
Topic of this power point presentation is INFILTRATION AND THEIR INDICES. In this presentation you will find the information related to infiltration and how to measure this phenomenon...
Physical Geography Lecture 09 - Water Resources (Ground water and ice) 110716angelaorr
Movement and locations of water. Underground water. Soil water belt, subsurface flow. Percolation. Porosity and Permeability. Hydrologic Zones. Zone of aeration, zone of saturation, water table, effluent and influent condition. Zone of confined water, aquaclude, aquifer, artesian well. Waterless zone. Groundwater management. Groundwater management issues. Aquifer recharge, cone of depression, subsidence, groundwater contamination. The case of Venice Italy. Hydrothermal activity. Hot springs, geysers, fumaroles. Permafrost, melting permafrost. Glaciers, alpine and continental glaciers. Melting glaciers. Lakes. Destruction of the Aral Sea. Swamps and marshes. Streams.
Hydrology and irrigation engineering cel 303Gaurav Mittal
Topic of this power point presentation is INFILTRATION AND THEIR INDICES. In this presentation you will find the information related to infiltration and how to measure this phenomenon...
Physical Geography Lecture 09 - Water Resources (Ground water and ice) 110716angelaorr
Movement and locations of water. Underground water. Soil water belt, subsurface flow. Percolation. Porosity and Permeability. Hydrologic Zones. Zone of aeration, zone of saturation, water table, effluent and influent condition. Zone of confined water, aquaclude, aquifer, artesian well. Waterless zone. Groundwater management. Groundwater management issues. Aquifer recharge, cone of depression, subsidence, groundwater contamination. The case of Venice Italy. Hydrothermal activity. Hot springs, geysers, fumaroles. Permafrost, melting permafrost. Glaciers, alpine and continental glaciers. Melting glaciers. Lakes. Destruction of the Aral Sea. Swamps and marshes. Streams.
This ppt contains my findings about preservation of bamboo using plant extracts. I prepared preservatives using few plants that possess antifungal and insecticidal properties. And then tested treated and untreated bamboo specimens. Results were very satistactory considering the reduction of impact of dumping of chemical preservatives in near by water bodies or in landfills.
Saudi Arabia stands as a titan in the global energy landscape, renowned for its abundant oil and gas resources. It's the largest exporter of petroleum and holds some of the world's most significant reserves. Let's delve into the top 10 oil and gas projects shaping Saudi Arabia's energy future in 2024.
Explore the innovative world of trenchless pipe repair with our comprehensive guide, "The Benefits and Techniques of Trenchless Pipe Repair." This document delves into the modern methods of repairing underground pipes without the need for extensive excavation, highlighting the numerous advantages and the latest techniques used in the industry.
Learn about the cost savings, reduced environmental impact, and minimal disruption associated with trenchless technology. Discover detailed explanations of popular techniques such as pipe bursting, cured-in-place pipe (CIPP) lining, and directional drilling. Understand how these methods can be applied to various types of infrastructure, from residential plumbing to large-scale municipal systems.
Ideal for homeowners, contractors, engineers, and anyone interested in modern plumbing solutions, this guide provides valuable insights into why trenchless pipe repair is becoming the preferred choice for pipe rehabilitation. Stay informed about the latest advancements and best practices in the field.
Cosmetic shop management system project report.pdfKamal Acharya
Buying new cosmetic products is difficult. It can even be scary for those who have sensitive skin and are prone to skin trouble. The information needed to alleviate this problem is on the back of each product, but it's thought to interpret those ingredient lists unless you have a background in chemistry.
Instead of buying and hoping for the best, we can use data science to help us predict which products may be good fits for us. It includes various function programs to do the above mentioned tasks.
Data file handling has been effectively used in the program.
The automated cosmetic shop management system should deal with the automation of general workflow and administration process of the shop. The main processes of the system focus on customer's request where the system is able to search the most appropriate products and deliver it to the customers. It should help the employees to quickly identify the list of cosmetic product that have reached the minimum quantity and also keep a track of expired date for each cosmetic product. It should help the employees to find the rack number in which the product is placed.It is also Faster and more efficient way.
CFD Simulation of By-pass Flow in a HRSG module by R&R Consult.pptxR&R Consult
CFD analysis is incredibly effective at solving mysteries and improving the performance of complex systems!
Here's a great example: At a large natural gas-fired power plant, where they use waste heat to generate steam and energy, they were puzzled that their boiler wasn't producing as much steam as expected.
R&R and Tetra Engineering Group Inc. were asked to solve the issue with reduced steam production.
An inspection had shown that a significant amount of hot flue gas was bypassing the boiler tubes, where the heat was supposed to be transferred.
R&R Consult conducted a CFD analysis, which revealed that 6.3% of the flue gas was bypassing the boiler tubes without transferring heat. The analysis also showed that the flue gas was instead being directed along the sides of the boiler and between the modules that were supposed to capture the heat. This was the cause of the reduced performance.
Based on our results, Tetra Engineering installed covering plates to reduce the bypass flow. This improved the boiler's performance and increased electricity production.
It is always satisfying when we can help solve complex challenges like this. Do your systems also need a check-up or optimization? Give us a call!
Work done in cooperation with James Malloy and David Moelling from Tetra Engineering.
More examples of our work https://www.r-r-consult.dk/en/cases-en/
Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)MdTanvirMahtab2
This presentation is about the working procedure of Shahjalal Fertilizer Company Limited (SFCL). A Govt. owned Company of Bangladesh Chemical Industries Corporation under Ministry of Industries.
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2. Surface water
• Watershed – area of
land draining into a
stream at a given
location
• Streamflow – gravity
movement of water in
channels
– Surface and
subsurface flow
– Affected by climate,
land cover, soil type,
etc.
4. Streamflow generation
• Streamflow is generated by three
mechanisms
1. Hortonian overland flow
2. Subsurface flow
3. Saturation overland flow
• Some texts mention groundwater ridging
as an additional mechanism contributing
to streamflow
10. Boulder Creek Critical Zone Observatory
Slope map draped over shaded relief.
Glacial limits
•How do weathering
and transport
processes control the
structure of the CZ?
•What is the impact of
CZ structure on
hydrological,
geochemical and
biological functions?
11.
12. Three experiments in one:
the geomorphic context of Boulder Creek
Upper: glaciated
Middle: steady, old
Lower: rejuvenated
16. Hortonian Flow
• Sheet flow described by
Horton in 1930s
• When i<f, all i is
absorbed
• When i > f, (i-f) results in
rainfall excess
• Applicable in
– impervious surfaces
(urban areas)
– Steep slopes with thin soil
– hydrophobic or
compacted soil with low
infiltration
Rainfall, i
Infiltration, f
i > q
Later studies showed that Hortonian flow rarely occurs on vegetated surfaces in humid regions.
17. Subsurface flow
• Lateral movement of water occurring through the
soil above the water table
• primary mechanism for stream flow generation
when f>i
– Matrix/translatory flow
• Lateral flow of old water displaced by precipitation inputs
• Near surface lateral conductivity is greater than overall
vertical conductivity
• Porosity and permeability higher near the ground
– Macropore flow
• Movement of water through large conduits in the soil
19. Saturation overland flow
• Soil is saturated from below by
subsurface flow
• Any precipitation occurring over a
saturated surface becomes overland flow
• Occurs mainly at the bottom of hill slopes
and near stream banks
20. Streamflow
hydrograph
• Graph of stream
discharge as a
function of time at a
given location on the
stream Perennial river
Ephemeral river Snow-fed River
Direct runoff
Baseflow