Water, Volume 13, Issue 2 (January-2 2021) – 135 articles
Cover Story (view full-size image): Spring freshet is the dominant annual discharge event in all major Arctic-draining rivers, with large contributions of freshwater inflow to the Arctic Ocean. Studies have shown that the total freshwater influx to the Arctic Ocean has increased as the Arctic climate changes at a significantly higher rate than in other parts of the globe. This study assesses the large-scale atmospheric and surface climatic conditions that affect the magnitude and timing of the spring freshets by analyzing daily discharges from sub-basins within the four largest Arctic-draining watersheds (i.e., Mackenzie, Ob, Lena, and Yenisei). Results reveal that climatic variations closely match the observed regional trends of increasing cold-season flows and earlier freshets. Freshet characteristics are also influenced by several large-scale atmospheric/ocean teleconnections. View this paper
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