Question

Based on the excerpt below, what influences the phenomenon?

At the edges of the Eden's basin are harder rocks which have resisted erosion over time and so remain as elevated ground. But carbonation weathering is wearing away the exposed limestone, eg at Great Asby Scar.
To the west of the Eden's basin are impermeable igneous rocks that are covered in surface streams. These streams create V-shaped valleys because of their high rates of vertical erosion.
Sandstone dominates in the Eden's middle and lower courses. This softer rock is easily eroded by the river, which has considerable power to erode laterally because of the increasing volume of water in its channel. Lateral erosion widens the channel and leads to the formation of meanders and river cliffs (eg Sandstone Cliffs near Staffield).

Answer 1

Erosion and weathering, including carbonation weathering and high rates of vertical and lateral erosion by water, shape the geological features around Eden's basin.

Step-by-step explanation:

The phenomenon influencing the landscape around Eden's basin includes erosion and weathering processes such as carbonation weathering, which progressively wears away limestone, as seen at Great Asby Scar. Additionally, the high rates of vertical erosion by surface streams over impermeable igneous rocks west of the Eden's basin are responsible for forming V-shaped valleys. In the middle and lower courses of the Eden, where easily eroded sandstone is prevalent, the river has significant lateral erosion capacity, leading to the development of meanders and river cliffs, as observed near Staffield.

River valleys in mountainous areas are dramatically sculpted through erosion by water and ice, which strips away the rocks, creating sharp peaks and distinctive landforms. Ultimately, erosion leads to the transportation of fragments and the shaping of the earth's surface, largely influencing the geographical features observed in different regions.