As spring progressed, warmer temperatures began melting snow, which raised the rate of inflow to the lake.
随着春天天气一天天变暖，雪开始融化，提高了湖泊的入流速度。
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According to the Bureau of Reclamation, the April 2010 inflow to Lake Powell was 94.5 percent of average, much greater than the 66 percent of average forecasted at the start of the month.
Different circulation structures have a definite effect on mixed degree between inflow and lake water, which influences mineral distributing of lake area and intake water quality of pumping stations.