Contents
1. Introduction 2
1.1. The importance of understanding shoreline changes 2
1.2. Basic physical processes in the inner shelf of Perth 2
1.3. The applications of GIS in shoreline changes, erosion, and accretion 2
1.4. Objectives of this research 3
2. Materials and Methods 4
2.1. Study area 4
2.2. Materials 4
2.3. Methods 4
3. Results 6
3.1. Shoreline changes from 2011 to 2015 6
3.2. Beach variations in each points from 2011 to 2015 6
4. Discussion 8
References 9
SHORELINE CHANGES
Using GIS to assess shoreline changes along
North coastline of Perth, Western Australia
1. Introduction
1.1. The importance of understanding shoreline changes
Shoreline are constantly responding to changes in environmental settings. Changes in the position …show more content…
Objectives of this research
Despite the shoreline changes and the mechanisms under shoreline changes has been revealed by Masselink & Pattiaratchi in 2001, their research data was for a week in the winter and summer that not very long to have deep understanding. To have more comprehensive understanding of shoreline changes in this area, assessment of shoreline change with wider range of data, in particular 5 years would be necessary. Therefore, in this paper, the assessment of shoreline changes will be examined by using GIS that used to digitize the shoreline in the period from January 2011 to December 2015.
The results reinforce Masselink & Pattiaratchi’s results in 2001 that the beach morphology changes are seasonal that widest in the summer and narrowest in the winter. However, this results provide significantly more detailed in comparison with their results. Firstly, the magnitude of shoreline changes, that are not given in their paper, on average in each year is between 40 and 50 meters. Additionally, the widest beaches are not always in the summer from June to August as mentioned in their research, but it can be in September sometimes. The narrowest beaches are also not always in the winter from December to February, but it can be in November, or in March sometimes. Furthermore, the details are presented in series of time for each point and the variations in each point in each year are also presented. The stability of the shoreline, the magnitudes of erosion and accretion highly depend on the year, and hardly depends on its position; in other word, these points behave almost the same during the 5-year
1. Introduction 2
1.1. The importance of understanding shoreline changes 2
1.2. Basic physical processes in the inner shelf of Perth 2
1.3. The applications of GIS in shoreline changes, erosion, and accretion 2
1.4. Objectives of this research 3
2. Materials and Methods 4
2.1. Study area 4
2.2. Materials 4
2.3. Methods 4
3. Results 6
3.1. Shoreline changes from 2011 to 2015 6
3.2. Beach variations in each points from 2011 to 2015 6
4. Discussion 8
References 9
SHORELINE CHANGES
Using GIS to assess shoreline changes along
North coastline of Perth, Western Australia
1. Introduction
1.1. The importance of understanding shoreline changes
Shoreline are constantly responding to changes in environmental settings. Changes in the position …show more content…
Objectives of this research
Despite the shoreline changes and the mechanisms under shoreline changes has been revealed by Masselink & Pattiaratchi in 2001, their research data was for a week in the winter and summer that not very long to have deep understanding. To have more comprehensive understanding of shoreline changes in this area, assessment of shoreline change with wider range of data, in particular 5 years would be necessary. Therefore, in this paper, the assessment of shoreline changes will be examined by using GIS that used to digitize the shoreline in the period from January 2011 to December 2015.
The results reinforce Masselink & Pattiaratchi’s results in 2001 that the beach morphology changes are seasonal that widest in the summer and narrowest in the winter. However, this results provide significantly more detailed in comparison with their results. Firstly, the magnitude of shoreline changes, that are not given in their paper, on average in each year is between 40 and 50 meters. Additionally, the widest beaches are not always in the summer from June to August as mentioned in their research, but it can be in September sometimes. The narrowest beaches are also not always in the winter from December to February, but it can be in November, or in March sometimes. Furthermore, the details are presented in series of time for each point and the variations in each point in each year are also presented. The stability of the shoreline, the magnitudes of erosion and accretion highly depend on the year, and hardly depends on its position; in other word, these points behave almost the same during the 5-year