With reference to Glacial Lake Outburst Floods (GLOF) consider the following statements:1.Volcanic eruptions under the ice can cause GLOF.2.There is a gradual release of water in GLOF.3.GLOF result in large downstream river discharges.Which of the statements given above are correct?

[A] 1 and 2 only

[B] 2 and 3 only

[C] 1 and 3 only

[D] 1, 2 and 3

Answer: C

Notes:

Explanation –

Statement 1 and 3 are correct. Volcanic eruptions under the ice can cause GLOF. GLOF result in large downstream river discharges.

Statement 2 is incorrect. GLOF involve sudden release of water. They are rapid events lasting for hours.