地球科学是涉及地球的自然科学
Earth scientists, also called geoscientists and geologists, study the origin and evolution of oceans and continents. This includes the formation of mountain ranges, valleys, glaciers, and lakes. They also study the causes and effects of natural hazards, such as those created by land- and rock-slides, earthquakes, floods and droughts, sea- and lake-level changes, and volcanic eruptions.<br><br>Earth scientists also investigate:<br><br>the origin, migration and quality of groundwater<br>the monitoring and mitigation of river and coastal erosion or flooding<br>sea- and lake-level rise and fall<br>climate change<br><br>They study the origin of Earth's natural resources and are extensively involved in the discovery and environmentally responsible development of metallic minerals, salts, water, clay, sand, gravel, cement, coal, oil and natural gas that society uses for construction of the built environment, agriculture and drinking water, communications and energy.