Hydrologic Cycle - National Geographic Society
网页2023年10月19日 · The water cycle consists of three major processes: evaporation, condensation, and precipitation. Evaporation. Evaporation is the process of a liquid's surface changing to a gas. In the water cycle, liquid water (in the ocean, lakes, or rivers) evaporates and becomes water vapor. Water vapor surrounds us, as an important part of …
Water Cycle or Hydrologic Cycle - Steps and Diagram - Science …
网页2024年8月10日 · The water cycle or hydrologic cycle is a continuous biogeochemical process by which water circulates through the Earth’s atmosphere, surface, and underground environments. This cycle is essential for maintaining life on Earth, regulating climate, and shaping the planet’s ecosystems.
The Hydrologic Cycle - National Oceanic and Atmospheric Administration
网页2023年3月24日 · The hydrologic cycle involves the continuous circulation of water in the Earth-Atmosphere system. At its core, the water cycle is the motion of the water from the ground to the atmosphere and back again.
Hydrologic Cycle | Precipitation Education
网页The water, or hydrologic, cycle describes the pilgrimage of water as water molecules make their way from the Earth’s surface to the atmosphere and back again, in some cases to below the surface.
Water cycle | Definition, Steps, Diagram, & Facts | Britannica
网页6 天之前 · Water cycle, cycle that involves the continuous circulation of water in the Earth-atmosphere system. Of the many processes involved in the water cycle, the most important are evaporation, transpiration, condensation, precipitation, and runoff. The total amount of water remains essentially constant.
Hydrological Cycle - an overview | ScienceDirect Topics
网页The hydrological cycle refers to the continuous circulation of water through the earth's land, ocean, and atmosphere, involving the exchange of mass, matter, and energy. It plays a crucial role in the earth's ecosystem, climate, and energy budget.
The Water Cycle | U.S. Geological Survey - USGS.gov
网页2022年10月2日 · The water cycle describes where water is on Earth and how it moves. Human water use, land use, and climate change all impact the water cycle. By understanding these impacts, we can work toward using water sustainably.
Water Cycle - National Geographic Society
网页2024年4月29日 · The water cycle is the endless process that connects all of that water. It joins Earth’s oceans, land, and atmosphere. Earth’s water cycle began about 3.8 billion years ago when rain fell on a cooling Earth, forming the oceans.
Water cycle - National Oceanic and Atmospheric Administration
网页2019年2月1日 · The water cycle shows the continuous movement of water within the Earth and atmosphere. It is a complex system that includes many different processes. Liquid water evaporates into water vapor, condenses to form clouds, and precipitates back to earth in the form of rain and snow.
11.1: The Hydrologic Cycle - Geosciences LibreTexts
网页2023年11月24日 · Some groundwater returns to streams and lakes, and some goes directly back to the oceans. Figure 11.1.1 The Various Components of the Hydrologic Cycle. Black or white text indicates the movement or transfer of water from one reservoir to another. Yellow text indicates the storage of water.
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