# data[].attributes.body
According to the type of water bearing voids, groundwater is further divided into pore water, fissure water, and karst water.

# data[].attributes.body
The groundwater level rises at high tide and decreases at low tide. The closer to the coastal zone, the more consistent the change of groundwater level is with the fluctuation of tide, and the greater the fluctuation of groundwater level, and the smaller the fluctuation of groundwater level slightly away from the coastal zone.

# data[].attributes.body
Groundwater is a vital support for ecosystems. In any place in the world where there is groundwater available for plants to use, terrestrial ecosystems depend on groundwater.

# data[].attributes.headline
The interaction between groundwater and soil and rock can reduce the strength and stability of soil and rock, resulting in various adverse natural and engineering geological phenomena, which pose a threat to the construction and normal use of the project.

# data[].attributes.subject
The interaction between groundwater and soil and rock can reduce the strength and stability of soil and rock, resulting in various adverse natural and engineering geological phenomena, which pose a threat to the construction and normal use of the project.

# data[].attributes.headline
The water quantity is stable and the water quality is good

# data[].attributes.subject
The water quantity is stable and the water quality is good

# data[].attributes.body
The formation of groundwater must have: sources of recharge, storage space, and geological conditions.

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When surface water is contaminated groundwater will not be spared.

# data[].attributes.body
The contamination of soil and water depends on Ph and other properties of water

# data[].attributes.body
Mutual recharge between groundwater and rivers.

# data[].attributes.body
Groundwater enters the soil and sediment layers through seepage and interacts with surface water.