Global maps of internal tide generation and dissipation

the dataset consists of global two-dimensional maps of internal tide energy sources and sinks, at half-degree horizontal resolution.estimated energy sources are provided for the three most energetic tidal constituents: m2, s2 and k1. they are decomposed into vertical normal modes. units are watts per square meter.estimated energy sinks are provided for each of m2, s2 and k1 and for 'all constituents'. 'all constituents' is an extrapolation to the eight most energetic tidal constituents, obtained as a weighted sum of m2, s2 and k1 fields. energy sinks are depth-integrated and decomposed into five process contributions: (i) local dissipation of high modes; (ii) dissipation of low modes via wave-wave interactions; (iii) dissipation of low modes via scattering by abyssal hills; (iv) dissipation of low modes via critical reflection; (v) dissipation of low modes via shoaling. units are watts per square meter.methods and documentation can be found in the following publication: de lavergne, c., falahat, s., madec, g., roquet, f., nycander, j., vic, c. toward global maps of internal tide energy sinks. ocean modelling, 137, 52-75 (2019). doi:10.1016/j.ocemod.2019.03.010. provided maps of energy sinks correspond to the reference (ref) experiment described in the article.

该数据集包含全球二维内部潮流能量源和汇的分布图，空间分辨率为半度。数据集提供了三种最具能量潮汐成分（m2、s2 和 k1）的能量源估计值，这些值被分解为垂直正常模式。单位为每平方米瓦特。对于 m2、s2、k1 以及‘所有成分’（‘all constituents’）的能量汇进行了估计，其中‘所有成分’是对八种最具能量潮汐成分的扩展，作为 m2、s2 和 k1 场的加权总和。能量汇经过深度积分，并分解为五个过程贡献：一、高模态的局部耗散；二、通过波-波相互作用引起的低模态耗散；三、通过深渊丘陵散射引起的低模态耗散；四、通过临界反射引起的低模态耗散；五、通过浅滩引起的低模态耗散。单位为每平方米瓦特。方法和文档可在以下出版物中找到：De Lavergne, C.，Falahat, S.，Madec, G.，Roquet, F.，Nycander, J.，Vic, C. （2019）。迈向全球内部潮流能量汇的地图。海洋模型，137，52-75。DOI：10.1016/j.ocemod.2019.03.010。提供能量汇的地图与文章中描述的参考（ref）实验相对应。