New technologies like â micro-LNG ,â which allow production of natural gas for markets without pipeline networks, add to the need for regulators to get a firm grasp on the changing natural gas landscape. Please check this page often as we will update with the latest fracking news and research.
Temperature varies in ponds and lakes seasonally. During the summer, the temperature can range from 4Â° C near the bottom to 22Â° C at the top. During the winter, the temperature at the bottom can be 4Â° C while the top is 0Â° C (ice).
Thus, larger ponds without riparian trees, because they are more exposed to wind activity, are also mixed more thoroughly. Stratification is also more typical on hot, calm days. At night, the surface layers lose heat to the atmosphere, and the pond often mixes from top to bottom. Such ponds are said to be âpolymicticâ, meaning that they mix completely with high frequency (and thus resupply nutrients to the surface waters, while resupplying oxygen to the bottom â see Section J).