Water table - Wikipedia
The water table is the surface where the water pressure head is equal to the atmospheric pressure (where gauge pressure = 0). It may be visualized as the "surface" of the subsurface materials that are saturated with groundwater in a given vicinity.
Water table | Definition & Facts | Britannica
water table, upper level of an underground surface in which the soil or rocks are permanently saturated with water. The water table separates the groundwater zone that lies below it from the capillary fringe, or zone of aeration, that lies above it.
Aquifers and Groundwater | U.S. Geological Survey - USGS.gov
2019年10月16日 · The upper surface of this water-filled area, or "zone of saturation", is called the water table. The saturated area beneath the water table is called an aquifer, and aquifers are huge storehouses of water. In our sand hole example, you have essentially dug a "well" that exposes the water table, with an aquifer beneath it.
Water Table - National Geographic Society
2023年10月19日 · The water table is an underground boundary between the soil surface and the area where groundwater saturates spaces between sediments and cracks in rock. Water pressure and atmospheric pressure are equal at this boundary.
WATER TABLE | English meaning - Cambridge Dictionary
WATER TABLE definition: 1. the level below the surface of the ground at which you start to find water 2. the level below…. Learn more.
The water table | U.S. Geological Survey - USGS.gov
2010年1月1日 · The water table is a fundamental concept in hydrogeology, yet it is frequently incorrectly defined. For example, both the NGWA (2003) and AGI (Neuendorf et al. 2005) glossaries define the water table as the atmospheric pressure surface that is coincident with the top of the zone of saturation.
Water table Definition & Meaning - Merriam-Webster
The meaning of WATER TABLE is a stringcourse or similar member when projecting so as to throw off water. How to use water table in a sentence.
The Water Table - CliffsNotes
The contact between the saturated and unsaturated zones is called the water table (Figure 1). Figure 1. The Water Table. There is “room” for air in the unsaturated zone because the water is held to the sides of the soil particles through the force of surface tension.
WATER TABLE | definition in the Cambridge English Dictionary
WATER TABLE meaning: 1. the level below the surface of the ground at which you start to find water 2. the level below…. Learn more.
Water table Definition & Meaning | Britannica Dictionary
WATER TABLE meaning: the highest underground level at which the rocks and soil in a particular area are completely wet with water
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