If the absolute value of UF m was bigger than U 0.05 , it indicated that there was a clear trend change sequence.
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Spatiotemporal variations of reference crop evapotranspiration in Northern Xinjiang, China.
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The sentences
Relative humidity and rainfall had highly significant negative correlations with ET 0 .
The results showed that regional average ET 0 had a decreasing trend and there was an abrupt change around 1983.