Question Q.17Briefly explain, differentiateGS1GS1
Briefly explain the process of tide formation and differentiate between tides and waves. (15 marks, 250 words)
Introduction
Tides are geological phenomenon formed as a result of altering positions of astronomical bodies primarily Earth, Sun and moon.
19 words
Main Body
Process of tide formation:
(I) Spring Tide: As moon revolves around the Earth and both around the Sun, when all three come in a single line, spring tides are formed. (Diagram showing Situation 1 and Situation 2 with Moon, Earth, Sun alignment) (continues on next page)
(II) Neap Tides: When Sun, Earth and Moon are at right angles. Neap tides are shallower than spring tides.
Differentiation between Tides & Waves
TIDES:
Primary driving force is pull of moon and sun
Periodic phenomenon depending on position of celestial bodies
WAVES:
Primary forces include Sun insolation, gravity, Coriolis force and wind action.
Localised phenomenon showing great variance (continues on next page)
TIDES:
Can be predicted before hand with great accuracy
Not impacted majorly by local events
WAVES:
Difficult to predict as localised factors can vary quickly Eg: Wind
Can be caused due to local eruption, blast, etc. Eg: Waves upto 15m high in 2004 tsunami.
— BHAVESH JALPAN · AIR 128
161 words6 paragraphs8 bullet points
Conclusion
Thus winds and tides are two geological phenomenon caused by different factors and have different characteristics.
16 words
Diagram
Two situations showing alignment of Moon, Earth, Sun for spring tide formation
- Clear diagrams
- Good conceptual explanation
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Topper
BHAVESH JALPAN
AIR 1282024
Subject & Paper
GS1GS1
Topic
Geography
Physical Geography
Tides and Waves formation
Writing Stats
196
Total words
6
Paragraphs
8
Bullets
Analytical, point-wise
Tone