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HomeHomework HelpgeologyGeological Impacts of Land Subsidence

Geological Impacts of Land Subsidence

Geological impacts of land subsidence refer to the downward movement of the Earth's surface due to various factors, such as the extraction of groundwater, mining activities, or natural compaction of sediments, which can lead to alterations in landforms, increased flooding risk, and changes in local ecosystems. This phenomenon can significantly affect soil stability, hydrology, and the distribution of flora and fauna in affected areas.

intermediate
3 hours
Geology
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Overview

Land subsidence is a significant geological phenomenon that can have profound effects on both the environment and human infrastructure. It occurs due to a variety of natural and anthropogenic factors, including groundwater extraction and soil compaction. Understanding the causes and consequences of ...

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Key Terms

Land Subsidence
The gradual sinking of the Earth's surface due to various factors.

Example: Land subsidence can occur in cities built on soft soil.

Groundwater Extraction
The process of removing water from underground aquifers.

Example: Excessive groundwater extraction can lead to land subsidence.

Soil Compaction
The process by which soil particles are pressed together, reducing pore space.

Example: Soil compaction can occur from heavy machinery or construction.

Infrastructure
The basic physical systems and structures needed for the operation of a society.

Example: Roads, bridges, and buildings are all part of infrastructure.

Ecosystem
A community of living organisms and their environment interacting as a system.

Example: Wetlands are vital ecosystems that can be affected by subsidence.

Mitigation
Actions taken to reduce the severity or impact of a problem.

Example: Mitigation strategies for subsidence include better water management.

Related Topics

Earthquake Engineering
Study of designing structures to withstand seismic activity.
advanced
Hydrology
The study of water movement, distribution, and quality.
intermediate
Soil Mechanics
The study of the behavior of soil under various conditions.
intermediate

Key Concepts

Causes of subsidenceEffects on infrastructureEnvironmental consequencesMitigation strategies