June 2003 bin-averaged CTD profiles for the Georgia Coastal Ecosystems Inner Marsh transect

One hydrographic survey was performed on June 19, 2003, along the Darien River, North River, and north channel of the Altamaha River (Inner Marsh Transect, GCE-IM). Vertical CTD profiles were collected at various nominal stations along the transect under a low water tidal regime (flood tide). Conductivity, temperature, pressure and optical backscatter were measured, and depth, salinity and sigma-t were calculated for each profile. Data values collected on the upcast were deleted, and the remaining data were averaged within 0.5m depth bins and interpolated to produce a smooth profile for contouring. This data set was collected as part of the Georgia Coastal Ecosystems LTER quarterly hydrographic monitoring program.

本数据集来源于2003年6月19日沿达里安河（Darien River）、北河（North River）及阿尔塔马哈河北航道（内潮间带断面，GCE-IM）开展的一次水文测量作业。本次调查在低潮潮汐条件（涨潮阶段）下，于该断面沿线多个标称测站采集了垂直温盐深仪（Conductivity Temperature Depth, CTD）剖面数据。测量获取了电导率、温度、压力及光学后向散射系数，同时针对每条剖面计算得到水深、盐度与密度西格玛（sigma-t）数值。已剔除上浮剖面段采集的原始数据，将剩余数据按0.5米深度分层进行平均，并通过插值生成平滑剖面用于等值线绘制。本数据集为佐治亚海岸生态系统长期生态研究（Georgia Coastal Ecosystems LTER）季度水文监测计划的组成部分。