Field data for seasonal synoptic sampling of 93 urban streams in Atlanta, Georgia (USA), 2021-2022

This dataset contains field measurements taken during water sampling from 93 first- to fifth-order streams in the Altamaha, Chattahoochee, and Flint Watersheds draining a gradient of urban land use in the greater Atlanta, Georgia metropolitan area. Field collection took place during four synoptic sampling events(September 2021, December 2021, March 2022, and July 2022) to capture spatial and seasonal variation in stream conditions (specific conductivity, water temperature, dissolved oxygen, pH, ORP). Filtered stream samples were analyzed for dissolved organic carbon concentration and characteristics, available in separate datasets. These data were collected as part of the Carbon in Urban Rivers Biogeochemistry (CURB) Project. Detailed field data and site data are published separately and can be linked using the “curbid” and “synoptic_event” columns in each dataset.

本数据集收录了佐治亚州亚特兰大大都市区内，覆盖梯度化城市土地利用类型的奥塔姆哈（Altamaha）、查特胡奇（Chattahoochee）与弗林特（Flint）流域内93条1至5级溪流的野外采样实测数据。野外数据采集于四次同步采样事件期间（2021年9月、2021年12月、2022年3月及2022年7月），用于捕捉溪流水质参数（比电导率、水温、溶解氧、pH值、氧化还原电位（ORP））的空间与季节变化特征。过滤后的溪流样品被用于溶解有机碳浓度与组分特征分析，相关数据收录于独立数据集。本数据集为城市河流生物地球化学碳（Carbon in Urban Rivers Biogeochemistry, CURB）项目的采集成果之一。详细的野外实测数据与点位基础数据已单独发表，可通过各数据集中的"curbid"与"synoptic_event"字段进行关联匹配。