The measurement of turbulence is necessary to quantify the vertical, diapycnal transport of heat, water and substances influencing climate, nutrient supply and marine ecosystems. As specialist instrumentation and ship-time are required to conduct microstructure measurements to quantify turbulence intensity, there is a need for more inexpensive and easy measurement methods. This study demonstrated that the turbulent energy dissipation rate, ε , estimated from fast-response thermistors Fastip Probe model 07 (FP07) with the depth-average of a > 10 m depth interval well agreed with those from current shear probes to a range of 10 –11 W/kg (m 2 s −3 ) in the two casts of the most accurate and stable free-fall vertical microstructure profiler, VMP6000 in the Oyashio water. This range cannot be measured with velocity shear probes equipped in smaller profilers in which the lower limit of ε > O (10 –10 ) W/kg. These results extend turbulence measurements using the FP07 to 10 –11 W/kg. They may be especially useful for turbulence observations in deep oceans where ε is generally weak (< 10 –10 W/kg). As FP07 are much less sensitive to instrument vibrations than current shear and may be attached to various observational platforms such as temperature-conductivity-depth (CTD) profilers and floats. The CTD-attached FP07 observations near the VMP6000 profiles demonstrated their capabilities in the ε range of 10 –11 –10 –8 W/kg by data screening using a $${W}_{\mathrm{sd}}>0.1(W-0.3)$$ W sd > 0.1 ( W - 0.3 ) criterion (1 s mean lowering rate $$W$$ W m/s and its standard deviation $${W}_{\mathrm{sd}}$$ W sd ) under rough conditions where the cast-mean $${W}_{\mathrm{sd}}>$$ W sd > 0.07 m/s and the standard deviation of $${W}_{\mathrm{sd}}$$ W sd in each cast $$\sigma$$ σ >0.05 m/s.

中文翻译：

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在弱海洋湍流中使用自由落体和 CTD 连接的快速响应热敏电阻估计湍流能量耗散率

湍流测量对于量化热量、水和影响气候、养分供应和海洋生态系统的物质的垂直、透心传输是必要的。由于进行微观结构测量以量化湍流强度需要专业仪器和运输时间，因此需要更便宜和更简单的测量方法。这项研究表明，湍流能量耗散率 ε 是从快速响应热敏电阻 Fastip Probe 模型 07 (FP07) 估计的，深度平均 > 10 m 深度间隔与从当前剪切探头到 10 –11 W/kg (m 2 s -3 ) 在最准确和最稳定的自由落体垂直微观结构剖面仪 VMP6000 的两个铸件中，在亲潮水中。该范围无法使用配备在较小剖面仪中的速度剪切探头测量，其中 ε > O (10 –10 ) W/kg 的下限。这些结果将使用 FP07 的湍流测量扩展到 10 –11 W/kg。它们对于在 ε 通常较弱（< 10 – 10 W/kg）的深海进行湍流观测特别有用。由于 FP07 对仪器振动的敏感度远低于电流剪切，因此可以连接到各种观测平台，例如温度-电导深度 (CTD) 剖面仪和浮标。通过使用 $${W}_{\mathrm{sd}}>0.1(W -0.3)$$ W sd > 0.1 ( W - 0.