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The Water Quality Of South Creek

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Geography Internal Assessment

How does the water quality of South Creek in the Narrabeen catchment vary downstream and what do these variations infer about human influences?
Candidate Number: 003047 0022
Word Count:
Table of Contents
Fieldwork Question and Geographical Context 3
Nature and Purpose of this Investigation 3
Location of this Investigation 4
Hypothesis 5
Methods of Investigation 6
Method of Measurement 7
The Water Quality Index 8
Treatment of Information Collected and Written Analysis 10
Data Collection and Processing-The Headwaters-Point A 14
Testing Conditions and Results 15
Qualitative Observations 15
Interpretation of Results 16
Data Collection and Processing-The Midpoint-Point B 17
Testing Conditions and Results 18 …show more content…

This investigation is derived from:
Part 1. Patterns and change
1.3 Patterns in environmental quality and sustainability
3. Water and Change
Concerned with both environmental and human factors affecting water quality.

Part 2. Optional themes
Option A: Freshwater issues and conflicts
Which focusses on both the physical geography of freshwater and human impacts on water quality.
Location of this Investigation
South Creek is located in Narrabeen, New South Whales, Australia, within the Warringah area. The Narrabeen basin is approximately 7km from north to south and 7km from east to west (Entrance from Narrabean Lakes, Forest Way) (Mona Vale at Tumbledown Dick to Warringah road ). South Creek flows through Oxford falls, Beacon Hill, Cromer, Narraweena, Wheeler Heights before flowing into Narrabeen Lakes. The landscape of the area is dissected sandstone plateau with some areas of flat land at height, such as Collaroy Plateau with an average height of 42 metres above sea level.
Figure 1.1 Location of South Creek
Figure 1.2 Annoyed Location map of South Creek
Hypothesis
South Creek will start off with good water quality, but the water quality will degrade downstream due to proximity to human influences.

Although South Creek begins adjacent to residential infrastructure, since it is the beginning of the stream, I suspect the stream won’t be that polluted

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