ADCP Kråkefjord 2016

A bottom mounted, upward-looking, RDI Workhose 600 kHz broadband ADCP was deployed in Kråkefjorden at depth 26 m, position (N58.044 E11.485) in the period 2016-08-17 to 2016-10-04. The ADCP was set up with 1 m vertical bins, 5 min ensembles, and 50 pings per ensemble.

Files:

The KråkefjordADCP.mat file is a matlab format export of the raw data using the WinADCP software.

The KråkefjordADCP_proc.mat file is a matlab format file containing processed data, where the main processing is to estimate the depth of each bin, and remove data before and after the deployment and above the levels influenced by the surface. The variable in this files are:

t: Time in decimal days ince 0000 00:00

z: Vertical coordinate of each bin in m relative to mean surface postion

u: East velocity (m/s)

v: North velocity (m/s)

w: Vertical velocity (m/s)

Funding:

The work was partly supported by the European Union Horizon 2020 project JERICO-NEXT (Joint European Research Infrastructure network for Coastal Observatory – Novel European eXpertise for coastal observaTories) grant agreement no. 654410.

一台坐底式向上观测型RDI Workhose 600 kHz宽带声学多普勒流速剖面仪（Acoustic Doppler Current Profiler, ADCP）布设于克拉凯峡湾（Kråkefjorden），布设水深26米，位置为北纬58.044、东经11.485，观测时段为2016年8月17日至2016年10月4日。该ADCP的设置参数为：垂直分层间隔1米，单个观测集合时长5分钟，每个观测集合包含50次声脉冲信号。

### 数据集文件
本次数据集包含两个MATLAB格式文件：
1. KråkefjordADCP.mat：通过WinADCP软件导出的原始数据文件。
2. KråkefjordADCP_proc.mat：经过预处理的MATLAB格式数据文件，预处理主要包含以下步骤：估算各分层的深度、剔除布放时段前后以及受海面影响的表层数据。该文件包含以下变量：
- t：以公元0年00:00为基准的十进制日数格式时间
- z：各分层相对于平均海面位置的垂直坐标，单位为米
- u：东向流速，单位为米/秒
- v：北向流速，单位为米/秒
- w：垂向流速，单位为米/秒

### 资助说明
本研究工作部分获得欧盟地平线2020计划JERICO-NEXT项目（全称：Joint European Research Infrastructure network for Coastal Observatory – Novel European eXpertise for coastal observaTories，海岸观测联合欧洲研究基础设施网络——海岸观测新型欧洲专业技术体系）资助，项目资助协议编号为654410。