Global mean sea level can rise through changes in ocean volume at fixed mass and through additions of ocean mass. Local relative sea level additionally depends on ocean circulation, gravity and vertical motion of the land. Floating sea ice has already displaced seawater, so its melt has a much smaller direct sea-level effect than transfer of grounded land ice into the ocean.
Sea level rise refers to the increase in the average level of the world's oceans due to various factors, primarily driven by climate change. This phenomenon can have significant impacts on coastal environments, communities, and ecosystems. The main contributors to sea level rise include: 1. **Thermal Expansion**: As ocean water warms, it expands, contributing to rising sea levels. 2. **Melting Glaciers and Ice Sheets**: The melting of glaciers and polar ice sheets (e.g.
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