What distinguishes landslides in the Himalayas from those in the Western Ghats? (Answer in 200 words)
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What distinguishes landslides in the Himalayas from those in the Western Ghats? (Answer in 200 words)
Answer: A landslide is the movement of a mass of rock, debris, earth, or soil (soil being a mixture of earth and debris) on the downslope. Landslides occur when gravitational and other types of shear stresses within a slope exceed the shear strength (resistance to shearing) of the materials that form the slope. They often take place in conjunction with earthquakes, floods, and volcanoes. Prolonged rainfall is one of the most important triggers. The two regions most vulnerable to landslides in India are the Himalayas and the Western Ghats. There are several differences between the landslides of the two regions, including:
Although the causes of the landslides in the regions are different, the devastation caused by them is similar. Other than that, increased anthropogenic activities in terms of infrastructure development, construction of dams, and quarrying and mining in both the regions are inflicting heavy damage to the slopes. Thus, management of landslides would require coordinated efforts by limiting anthropogenic activities, as well as closely cooperating with all the stakeholders in the disaster management cycle.
Landslides within the Western Ghats and Himalayas range substantially because of modifications in soil, climate and environment. Characterized by complex impure geology, the Western Ghats is in particular liable to landslides in the course of the monsoons while heavy rains motive mountain disasters These landslides are generally shallow, occurring within the the gentle, lateritic soil masking the slopes. The dense flora in this area can stabilize and destabilize slopes; However, the roots maintain the soil together, and the load of cool vegetation can cause slope harm. In assessment, the Himalayas are geologically younger and highly energetic, with frequent earthquake instability. Landslides here are normally deeper and larger, exacerbated through steep terrain and uneven snowpack. Moreover, landslides arise at some point of the yr in the Himalayas because of a aggregate of things inclusive of snowfall, rainfall, human activities including deforestation and street production Climate additionally varies; The Himalayas have a enormously variable weather with extraordinary seasonal modifications, at the same time as the Western Ghats have a regular weather with clean seasonal rainfall This difference leads to extraordinary earthquake intensities and impacts. In summary, whilst rainfall-caused shallow landslides due to monsoons and lateritic soils are not unusual in the Western Ghats, deep landslides are extra frequent caused by seismic pastime, fall apart of atmospheric conditions types and slopes inside the Himalayas form and trigger earthquakes function of these provinces.
Here is my assignment.
Landslides in the Western Ghats and the Himalayas differ in various aspects, primarily due to differences in geology, climate, vegetation, and human activities. Here are some key differences:
Geology and Topography
Western Ghats:
Himalayas:
Climate and Weather Patterns
Western Ghats:
Himalayas:
Vegetation and Land Use
Western Ghats:
Himalayas:
Human Activities and Impact
Western Ghats:
Himalayas:
Frequency and Magnitude
Western Ghats:
Himalayas:
Understanding these differences is crucial for developing effective landslide mitigation and management strategies tailored to each region’s unique characteristics.