Endeavour North Current Meter Deployed 2021-08-27

The Nortek Aquadopp Current Meter A2L2554 AQD2797 was deployed on 2021-08-27 at Endeavour North. This north section of the Endeavour Hydrothermal Vents includes two moorings to monitor the regional circulation. This device is a Current Meter. Acoustic Current Meters (ACM) measure current speed and direction, using the Doppler Effect. Aquadopp current metres have a sensor head that contains 3 acoustic transducers, a tilt sensor, a temperature sensor and a pressure sensor. The instrument transmits a short pulse of sound, and then listens to its echo to measure the change in pitch or frequency. The change in pitch can determine the velocity of the current. It was deployed on a fixed platform. Data from this deployment were archived and made available through Ocean Networks Canada's Oceans 3.0 digital infrastructure, with quality assurance and derived data products following established practices.

型号为A2L2554与AQD2797的Nortek Aquadopp海流计（Nortek Aquadopp Current Meter）于2021年8月27日部署于恩登特北海域（Endeavour North）。恩登特热液喷口区（Endeavour Hydrothermal Vents）的北部区域设有两套锚系监测系统，用于监测区域环流。该设备属于海流计范畴，声学海流计（Acoustic Current Meters, ACM）借助多普勒效应（Doppler Effect）测量海流的流速与流向。Aquadopp海流计的传感器探头内置3个声学换能器、一个倾斜传感器、一个温度传感器以及一个压力传感器。该仪器发射短脉冲声波，随后接收回波以检测音高或频率的变化，基于音高变化即可推算海流流速。本设备部署于固定平台之上。本次部署获取的数据已完成归档，并通过加拿大海洋网络（Ocean Networks Canada）的Oceans 3.0数字基础设施对外共享，所有数据均按照既定规范完成质量管控，并生成了配套衍生数据产品。