Examlex
The standard deviation of a discrete probability distribution is the positive square root of the variance, which determines the expected value of the distribution.
Floodplain
Flat land adjacent to a river, prone to flooding during periods of high discharge, which can deposit nutrient-rich sediments beneficial for agriculture.
Mississippi River
one of the longest rivers in North America, flowing southward from its source in Minnesota to the Gulf of Mexico.
Thompson River
The Thompson River is a major tributary of the Fraser River, flowing through the British Columbia interior in Canada, known for its scenic beauty and importance to local ecosystems.
Levees
Embankments constructed along riverbanks to prevent overflow and protect the land from flooding.
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