Thin methane clouds dot the horizon, and a narrow methane spring or "methanefall" flows from the cliff at left and drifts mostly into vapor.
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The climate may have changed due to a dramatic fall in atmospheric methane when these animals, or "megafauna", disappeared.
在这些动物，即“巨型土壤动物”消失以后，沼气量的急剧下降可能造成了气候的改变。
The conclusion is that the stratum pressure would fall when the temperature increased, and the temperature field has a negative influence to coal-bed methane output.
得出了随着温度的升高煤储层的压力在降低，温度的升高对煤层气的产量有着负面的影响这一重要结论。
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