乾旱氣候：练习题

Which of the following describes the formation of a yardang in a hot desert environment?

How do phreatophytes, such as the Tamarisk tree, adapt to the physiological drought conditions of hot arid environments?

The process of salinisation is a significant cause of soil degradation in hot arid environments. Which combination of factors most effectively facilitates this process?

Which of the following describes the formation of a yardang in a hot arid environment?

In the study of hot arid landforms, what term is used to describe a continuous sloping plain of sediment formed when multiple alluvial fans merge along the base of a mountain range?

Identify the primary global pressure system responsible for the creation of subtropical hot deserts and state how it inhibits precipitation.

Contrast the morphology and formation of barchan dunes with that of seif (linear) dunes in relation to wind direction.

Analyze the role of upward capillary movement of water in the development of calcified crusts (caliche) within arid soil profiles.

Explain the process of salt weathering (haloclasty) in hot deserts. In your answer, refer to the role of diurnal temperature fluctuations and the physical breakdown of rock structures.

(a) Describe the hydrological regime of a wadi following an episodic rainfall event.
(b) Explain the role of sheetwash and flash floods in the transportation and deposition of sediments within the piedmont zone.