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Water School

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What is the water cycle?

What is the water cycle?

Rainfall that stays in the liquid state becomes runoff that makes up streams and rivers.  Water that is not used for some purpose eventually flows to the ocean.  Water that evaporates from the oceans then condenses and eventually falls back to Earth in the form of rain. This is also known as the hydrologic cycle.The water cycle is the continuous movement of water in the atmosphere, over the land, and in the ocean. Through precipitation, water condenses, forming a liquid and falling to ...
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How is the flow of the river measured?

How is the flow of the river measured?

A rivers rate of flow is measured in terms of cubic feet per second (cfs) or how many cubic feet of water (volume) passes by a gaging location for a period of one second (one cubic foot of water is approximately 7.5-gallons). Gages are managed by the United States Geological Survey (USGS) at intervals along a watercourse to measure the rate of flow. You can find information on streamflow on the Brazos River and its tributaries flow by going to this link.
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What is an acre-foot?

An acre-foot is commonly used to measure water volume. It is the amount of water needed to cover one acre (43,560 square feet) with one foot of water.  One acre foot is equal to 325,851 gallons of water.
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What is streamflow?

Streamflow is the water discharge in a natural channel.  Streamflow is measured in cubic feet per second (cfs) and monitored by the United States Geological Survey. You may view the stream gages in the Brazos River basin by clicking here.
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What is a drought?

What is a drought?

A drought is generally considered to be a prolonged period of less-than-normal precipitation such that the lack of water causes below average streamflow or lake levels, lowered soil moisture, crop damage, or economic losses.
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What is a flash flood warning?

The National Weather Service issues a flash flood warning to inform the public, emergency management, and other cooperating agencies that flash flooding is in progress, imminent, or highly likely.  For additional information on flood warning and watches, click here.
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What is "firm" water?

Firm water is a supply term referring to the specific amount necessary to fully supply an area with water during a repeat of the most severe drought of record.
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What is the National Flood Insurance Program?

The National Flood Insurance Program is a federal insurance program under which flood-prone areas are identified and flood insurance is made available to residents of participating communities that agree to adopt and enforce floodplain management ordinances to reduce future flood damage.  For additional information and qualification requirements, click here.
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The information provided on this site is intended as background on water within the Brazos River basin. There should be no expectation that this information is all encompassing, complete or in any way examines every aspect of this very complex natural resource.

If you have questions about a post or would like additional information, please contact us or call 888-922-6272.

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