之间的区别是什么垂直湍流卷吸和湍流扩散在海洋里?- 江南体育网页版- - - - -地球科学堆江南电子竞技平台栈交换 最近30从www.hoelymoley.com 2023 - 07 - 09 - t00:34:19z //www.hoelymoley.com/feeds/question/14595 https://creativecommons.org/licenses/by-sa/4.0/rdf //www.hoelymoley.com/q/14595 5 之间的区别是什么垂直湍流卷吸和湍流扩散在海洋里? Reqbisha //www.hoelymoley.com/users/8219 2018 - 07 - 12 - t11:13:22z 2018 - 07 - 17 - t08:44:42z < p >混合层热分析的预算分析,作者不同的论文都以不同的方式考虑垂直混合的贡献。< / p > < p > < a href = " https://i.stack.imgur.com/Ka6R8.png " rel = " noreferrer " > < img src = " https://i.stack.imgur.com/Ka6R8.png " alt = "崩溃的垂直地下过程的贡献:净垂直地下过程(蓝色,”> < / > < / p > < p > Halkides夹杂和李(2011)认为,垂直平流、垂直混合组件的地下过程表明夹带和垂直混合是不同的流程。< / p > < p > Foltz等。(2010)另一方面解释湍流卷吸和湍流扩散过程在垂直湍流混合。本文表明夹带垂直湍流混合的一部分。< / p > < p >请解释夹带的区别和垂直混合如果他们是不同的过程。< / p > //www.hoelymoley.com/questions/14595/-/14627 # 14627 6 Jareth霍尔特的回答有什么区别垂直湍流卷吸和湍流扩散在海洋里? Jareth霍尔特 //www.hoelymoley.com/users/1342 2018 - 07 - 17 - t08:44:42z 2018 - 07 - 17 - t08:44:42z < p >我认为不同作者可能想要区分深对流混合雾沫从纯粹的扩散或重力wave-driven混合。深层搅拌主要发生在一定区域(南极洲附近,在拉布拉多海),因为它需要一个非常强大的冷却表面触发对流。扩散或重力破浪混合可以发生在任何地方。扩散可能包括直接过程(如双扩散或“盐指法”)或间接cabbeling或thermobaricity等过程。如果他们的预算是基于模型,这些类的过程很可能分别输出,所以这是一个很简单的部门。< / p >

I would break it down as follows, with an eye toward model output:

  1. Vertical advection comes from the advection by resolved or implied vertical velocity. This would include Ekman pumping and any other vertical velocity you might get from an omega-equation.
  2. Entrainment-detrainment comes from convective processes. These require special handling, since many ocean models until recently would not resolve these processes. (They might occur in areas that are only a few kilometers in width, far below the lateral resolution.) These processes can mix together entire parts of the water column at once and often do not care about vertical gradients; they are "non-local".
  3. Diffusive processes are very local/small-scale and depend on vertical gradients of heat and salt. Cabbeling, thermobaricity, and double diffusion are some examples. I include gravity wave-driven mixing here because although the gravity wave generation process is non-local, when they break they can only mix locally within the water column.

This kind of breakdown makes sense for a global ocean model, where these three things are handled by three separate modules. For super-hi-res regional models and non-hydrostatic models, advection and convection start to merge together, and if the model is truly eddy-resolving, entrainment becomes a mix of advection followed by diffusion. How you budget these processes depends on the spatial and temporal scales of the model.

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