Geography question from JKAS Prelims, 2022 by JKPSC
Consider the following statements:
Assertion (A): The period 1550 to 1800 has been called ‘the Little Ice Age’.
Reason (R): The glaciers of the mountains of Europe reached their most advanced positions since the beginning of the post-glacial epoch.
The correct answer is:
Last updated May 13, 2026
Correct Answer:
Option A —
A and R are both correct and R is the correct explanation of A
Understanding the "Little Ice Age"
Assertion (A): The period 1550 to 1800 has been called ‘the Little Ice Age’.
Status: Correct.
Context: While not a true "Ice Age" in the geological sense, this was a period of significant cooling that occurred after the Medieval Warm Period. While the exact dates are debated by scientists, the window of 1550 to 1800 (extending sometimes from 1300 to 1850) is widely accepted as the core period of cooling.
Reason (R): The glaciers of the mountains of Europe reached their most advanced positions since the beginning of the post-glacial epoch.
Status: Correct.
Context: The "post-glacial epoch" refers to the Holocene (the last 11,700 years). During the Little Ice Age, Alpine glaciers in Europe (and glaciers in other parts of the world) expanded significantly, destroying farms and villages that had been established during warmer centuries.
Why R explains A:
The Reason provides the primary physical evidence used by climatologists to identify and define the Little Ice Age. The dramatic advancement of mountain glaciers is one of the most visible and scientifically documented markers of this cooling period. Therefore, the physical advancement of the glaciers is the proof and explanation for why we classify this specific timeframe as a "Little Ice Age."
Key Causes of the Little Ice Age
To add depth to your understanding of this subject, consider the three primary scientific theories for why this cooling occurred:
Low Solar Activity: Periods like the Maunder Minimum (1645–1715) saw a near-total disappearance of sunspots, indicating reduced solar energy.
Volcanic Activity: Increased volcanic eruptions released aerosols that blocked sunlight, causing "volcanic winters."
Ocean Circulation: Disruptions in the Atlantic Meridional Overturning Circulation (AMOC) likely slowed the transport of warm water to the North Atlantic.
Answer verified by Quintessence Classes faculty — Karan Nagar, Srinagar.
