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首页> 外文期刊>Doklady Earth Sciences >Interannual Variability of Water Temperature in the Chukchi Sea
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Interannual Variability of Water Temperature in the Chukchi Sea

机译：楚科奇海水温的年际变化

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摘要

The warm Pacific water passing through the Bering Strait essentially affects the thermal regime and circulation of water in the Chukchi Sea and participates in the formation of the oceanographic regime in the entire Arctic basin. Pacific water spreads in the Chukchi Sea as two main currents. The first current (Gerald branch) extends to the north-northwest, while the second, more intensive current (Alaska branch) follows northeastward along the Alaska coast. Their divergence is believed to occur north of 68° N and is well traced by the ice tongue descending southward in the 170° W area. One more current following toward the Long Strait (the Long Branch) may be distinguished in the presence of steady southeastern wind. In some years, the Siberian coastal current brings fresh water from the East Siberian Sea through the Long Strait to the Chukchi Sea. The sealevel rise by ～0.5 m in the northern Pacific is the main cause of the propagation of the Pacific water current into the Arctic basin through the Bering Strait. Results related to the influence of wind field on the Pacific water flow in the Bering Strait and Chukchi Sea are ambiguous. The amount of annual heat brought by the Pacific waters is sufficient for ice melting over about one-half of the Chukchi Sea area. Variations of the surface water temperature in the Chukchi Sea during the cold (1947-1956) and warm (1957-1966) seawater periods are discussed in [5].
机译：穿过白令海峡的太平洋暖水基本上影响楚科奇海的热力状况和水循环，并参与整个北极盆地的海洋状况的形成。太平洋水作为两个主要水流在楚科奇海传播。第一个洋流（杰拉德支流）延伸到西北西北，而第二个更密集的洋流（阿拉斯加支流）沿着阿拉斯加海岸向东北延伸。据信它们的发散在北纬68°以北，在170°W区域向南下降的冰舌可以很好地追踪。在东南风稳定的情况下，可能会再有一个流向长海峡（长分支）的潮流。几年来，西伯利亚沿海水流将淡水从东西伯利亚海经长海峡带到楚科奇海。北太平洋海平面上升〜0.5 m是太平洋水流通过白令海峡传播到北极盆地的主要原因。与风场对白令海峡和楚科奇海的太平洋水流的影响有关的结果是模棱两可的。太平洋水域带来的年热量足以使楚科奇海地区约一半的冰融化。在[5]中讨论了楚科奇海在寒冷（1947-1956）和温暖（1957-1966）期间的地表水温变化。

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