Written by students who passed Immediately available after payment Read online or as PDF Wrong document? Swap it for free 4.6 TrustPilot
logo-home
Document preview thumbnail
Preview 1 out of 1 pages
Summary

OCR A Level Geography Earth's Life Support System Summary - 4a (The two cycles are linked and interdependent )

Document preview thumbnail
Preview 1 out of 1 pages

Clear concise summary of Chapter 4 (ELSS) of Michael Raw's OCR A Level Geography textbook which is linked to these documents

Content preview

1.2. To what extent are the water and carbon cycles linked?
 4a. The two cycles are linked and interdependent

How human activities cause changes in water stores: How human activities cause changes in ca
Irrigation Deforestation
 Rising demand for water for irrigation has created acute shortages  More carbon in the atmosphere - les
 Overpumping of aquifers in the coastal regions of Bangladesh has led to have a global impact e.g. global warmi
incursion of salt water, often making the water unfit for irrigation & = enhanced greenhouse effect
drinking  Less leaf litter - less nutrients in soil, les
Urbanisation disrupting the cycle
 When urbanisation occurs the ground surface becomes impermeable =  Massive deforestation has reduced the
less groundwater storage, less water absorbed into soils nearly 50% - amount of carbon
 More infrastructure taking place = deforestation photosynthesis has declined steeply
 Can occur due to urbanisation – more
Deforestation use change transfers 1 billion tonnes o
 Increased surface run-off since there are less tree roots to intercept =
potential flooding Releasing of carbon into the atmosphere
 Trees & plants are responsible for extracting groundwater & releasing it  Currently approx 8 bill tonnes of carbo
to the atmosphere by burning fossil fuels

Carbon extraction
Trans Alaska Pipeline: (oil transportation)  The world relies on fossil fuels for 87
rapid industrialisation of Chinese & Ind
 One of the largest pipelines in the world (800 miles long) & built from  The exploitation of coal, oil & natural g
1974-77 from geological store

Connected book
 image
Michael Raw, David Barker OCR A Level Geography Second Edition
Publisher: Unknown ISBN: 9781471858703 Edition: 2

Document information

Study Level
Subject
Summarized whole book?
No
Which chapters are summarized?
What is covered - chapter 4, 4a (the two cycles are linked and interdependent )
Uploaded on
September 13, 2022
Number of pages
1
Written in
2021/2022
Type
Summary
£3.49

Wrong document? Swap it for free Within 14 days of purchase and before downloading, you can choose a different document. You can simply spend the amount again.
Written by students who passed
Immediately available after payment
Read online or as PDF

Sold
51
Followers
13
Items
25
Last sold
1 week ago




Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their exams and reviewed by others who've used these revision notes.

Didn't get what you expected? Choose another document

No problem! You can straightaway pick a different document that better suits what you're after.

Pay as you like, start learning straight away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and smashed it. It really can be that simple.”

Alisha Student

Working on your references?

Create accurate citations in APA, MLA and Harvard with our free citation generator.

Working on your references?

Frequently asked questions