Differences on the shore above and below the high-tide mark.
Suhas Surya Narreddy
Class 11, Mallya Aditi School, Bengaluru
In September 2014 I had the opportunity to carry out my Geography course-work in the Andaman Islands.
I chose my hypothesis: “There is a marked difference between the features on the shore seen above and below the high-tide mark due to variations of intensity of the sea waves hitting the shore.”
I designed the study to make use of a transect which would be 30m from the sea coast taking samples of the sand, taking photographs every 5 meters, measuring wind speed, wave direction, wave height, and recording natural and human-made features . When I got to the area of research I realized I had not accounted for the fast rising tide due to the narrow breadth of the area. Thus I was not able to carry out a few of the tasks leaving me no option but to move further along the coast to get these results.
From my research, I drew correlations leading me to the conclude that: there is not only a clearly marked difference above and below the high-tide mark, but also within various sections below the high-tide mark.
The difference between the high- and low-tide mark is, in fact, due to varied strength of the sea waves hitting the shore and the type of rock/soil formation along the coastline: how resistant or vulnerable they are to erosion. The research helped me gain insight into the importance of stringent planning especially when carrying out geography research, as well as how a hypothesis need not be true or false only.
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