Seven day, ten year low flow definition

Seven day, ten year low flow or “7Q10” means the lowest seven consecutive day mean stream discharge rate with a recurrence interval of ten (10) years.]
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Seven day, ten year low flow or “7Q10” means the lowest seven consecutive-day mean stream flow with a recurrence interval of ten years.
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Seven day, ten year low flow or "7Q10 " means the lowest average seven-day flow with a once in ten-year recurrence interval. A 7Q10 is derived by identifying the lowest average flow for a seven-consecutive-day period from daily flow records for each year of record, from a continuous flow gauging station. The seven-day average low flow values for each year are arrayed in order of magnitude and fitted to a probability distribution. The 7Q10 is the stream or river flow that is equal to or exceeded by 90 percent of the values in the distribution.
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More Definitions of Seven day, ten year low flow

Seven day, ten year low flow or “7Q10 flow” or “low flow” means the lowest average daily flow for a duration of seven consecutive days with a recurrence interval of ten years and which is determined for the point of withdrawal from an unregulated stream, or for a withdrawal from a regulated stream, the minimum critical flow occurring once in ten years as determined by an analysis of records of operation and approved by the Commissioner.
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Seven day, ten year low flow or "7Q10" means the lowest seven-consecutive-day average flow expected to occur once every ten years in a receiving water stream. This flow represents the flow conditions that are critical for protection of an aquatic life, human health, wildlife, or agricultural water supply use.
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Seven day, ten year low flow or “7Q10” means the lowest average 7-day flow with a once in ten-year recurrence interval. A 7Q10 is derived by identifying the lowest average flow for a seven-consecutive-day period from daily flow records for each year of record, from a continuous flow gauging station. The seven-day average low flow values for each year are
Sample 1
Seven day, ten year low flow or "7Q10 " means the lowest average seven-day flow with a once in ten-year recurrence interval. A 7Q10 is derived by identifying the lowest average flow for a
Sample 1

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