Rivers are connected systems, and dams disconnect one area from another. They also alter the flow, temperature1 and sediment2 in river systems. This is the Karāpiro dam on the Waikato River.
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- temperature: A measure of the degree of hotness or coldness of an object or substance. Temperature is measured with a thermometer calibrated in one or more temperature scales. Kelvin scale temperature is a measure of the average energy of the molecules of a body.
- sediments: Material that settles to the bottom of a liquid. In geology, it describes the solid fragments of inorganic or organic material that come from the weathering of rock and are carried and deposited by wind, water or ice.
