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首页> 外文期刊>International journal of river basin management >Winter discharge of coalbed methane water in the Powder River Basin, Wyoming
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Winter discharge of coalbed methane water in the Powder River Basin, Wyoming

机译：怀俄明州粉河流域的煤层甲烷水冬季排放

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The heat transported with coalbed methane (CBM) water is shown to influence the thermal, flow, and ice characteristics of the Powder River, the principal river draining the Powder River Basin, Wyoming, during winter. The writers suggest how management of CBM water discharge from numerous tributary streams will minimize potential adverse influences on river channel stability and ecology. Their study, conducted over two winters (2009-2010 and 2010-2011), indicates that besides augmenting the river's natural flow, a substantial winter influence of CBM water discharge was the formation of open-water leads typically extending up to several kilometres along the river. The leads result from warm coherent plumes of CBM water discharge that gradually cool and dissipate when exposed to frigid air. Lead formation alters flow thalweg alignment, concentrating flow along the lead, and plays a potentially significant role for biota along the river. The leads were observed to attract fish, birds, and other wildlife during winter.
机译：煤层甲烷（CBM）水传输的热量显示会影响粉末河的热，流量和冰特征，该河是冬季怀俄明州粉末河流域的主要河流。作者认为，管理大量支流的煤层气如何将对河道稳定性和生态的潜在不利影响减至最小。他们在两个冬季（2009-2010年和2010-2011年）进行的研究表明，除了增加河流的自然流量外，煤层气（CBM）排水对冬季的重大影响是形成了开阔水带，通常沿河道延伸数公里。河。引线是由煤层气排出的温暖连贯的羽状流形成的，当暴露于寒冷的空气中时，这些羽流会逐渐冷却并消散。铅的形成改变了水流向，改变了沿铅的流向，并为沿河生物群发挥了潜在的重要作用。据观察，铅在冬季会吸引鱼类，鸟类和其他野生动植物。

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