Question

Q3.29. Three of the following statements are reasons why climatologists have considerable confidence in global climate models (GCMs). Which statement is NOT?

Answer 1

The statement which is not a representation or accurate description of GCMs is option C which states that "gcms describe both climate and weather in perfect detail because they are meticulously constructed and continuously updated." given that this statement is untrue in regards to GCMs.

GCM is the acronym for Global Climate change Model. These are models created by scientists using well-understood laws of physics and chemistry in addition to many others. This along with the use of real-world data observed in the past produces realistic simulations of weather patterns and storms, along with temperature estimations for the Earth.

The key is to understand that weather and climate are ever-changing entities that rely on many dynamic factors that are in constant change. This makes a perfectly detailed simulation or perfect accuracy predictions virtually impossible, despite the meticulous way in which the process is performed. This is why option C is incorrect.

The question was answered with the assumption that the complete question with options is as follows:

Three of the following statements are reasons why climatologists have considerable confidence in global climate models (gcms). which statement is not?

A. gcms produce realistic weather patterns and storm events, even though these phenomena are not specifically coded in the models

B. gcms produce global mean temperature changes similar to observed real-world changes when the models are driven by realistic historical forcings.

C. gcms describe both climate and weather in perfect detail because they are meticulously constructed and continuously updated.

D. gcms are designed to be driven by basic, universal physical laws that are well understood, such as the conservation of energy, mass, and momentum. reset selection gateway

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