Hull Springs Dock YSI Station 2021-08-15 to 2021-09-18

General Metadata for Hull Springs Dock-YSI Sampling Station Files Specific metadata for each deployment can be found as text files with the file format of: <pre><code>HS_YSI_YYYY-MM-DD_metadata.txt HS_dock_pressure_trans_YYYY-MM-DD_metadata.txt</code></pre> Where YYYY-MM-DD is the date that the sampling period ended. NOTE: The metadata in the above file is collected from the data logger and does not have all of fields present in the final data set, because some were created during data cleaning. File Created 2021-07-14 by KF File Modified 2021-07-22 by KF - added metadata for pressure transducer Description These data are from the sampling station in Aimes Creek on the Camp House dock (38.125367, -76.659537). <pre><code>* Physical and chemical water data are collected with a YSI EXO2 sonde. * Temperature (dC) and Pressure (KPa) are collected with an Onset HOBO U20-001-01-Ti Water Level Logger</code></pre> All data are CC-BY and should be cited using the DOI available at https://zenodo.org/communities/leo/ Station Specifics The sensors are sampled every 15 minutes Measurements Parameters, units, and Variable Names date.time - the date and time that the record was collected, reported in POSIX standard time (YYYY-MM-DD HH:MM:SS) date.time.adj - the date and time that the pressure was measured adjusted to match the time that barometric pressure was collected. (YYYY-MM-DD HH:MM:SS) observation - the number of the observation. timestamp - the date and time as reported by the data logger (MM/DD/YY HH:MM:SS AM/PM) date - the date that the record was collected (MM/DD/YYYY) time - the time that the record was collected (HH:MM:SS) site_name - the ID name provided by the KOR software. unit_ID - the sonde identification number. user_ID - the user that created the sampling template. Temp_dC - the water temperature in degrees C. DO_perc - the dissolved oxygen percent saturation (%). DO_percL - the "local" dissolved oxygen percent saturation where the calibration is locally always 100% saturated independent of the barometric pressure (%). DO_mg-L - the concentration of dissolved oxygen (mg/L). SPC_uS-cm - the specific conductance (uS/cm). C_uS-cm - the conductivity (uS/cm). nLFC_uS-cm TDS_mg-L - the total dissolved solids (mg/L). SAL_PSU - the salinity of the water (PSU). pH - the pH of the water. pH_mV - the millivolt measurement of the pH meter (mV). FNU - the turbidity of the water (FNU). TSS_mg-L - the total suspended solids (mg/L). BGA_PC_RFU - the phycocyanin fluorescence level which is an indicator of blue-green algae (RFU). BGC_PC_ug-L - the concentration of phycocyanin in the water, which is an indicator of blue-green algae (ug/L). Chl_RFU - the chlorophyll fluorescence level, which is an indicator of phytoplankton biomass (RFU). Chl_ug-L - the concentration of chlorophyll in the water, which is an indicator of phytoplankton biomass (ug/L). fDOM_RFU - the fluorescent DOM fluorescence level (RFU). fDOM_QSU - the standardized fluorescent DOM concentration (QSU). Wiper_V - the voltage output of the wiper (V). Cabel_V - the voltage output of the cable (V). Batt_V - the voltage output of the internal batteries (V). Pressure - the pressure of the water above the pressure transducer (KPa) Temp - the water temperature reported by the pressure transducer (dC) press_mmHg - the pressure of the water above the pressure transducer (mm Hg) BP_mmHg - the barometric pressure recorded by the weather station at the Yellow House (mm Hg) Z_press_trans - the depth of the water above the pressure transducer (cm) Z - the depth of the water above the sediments (cm)赫尔河泉码头-YSI采样站文件通用元数据 各次部署的专属元数据存储于文本文件中，文件格式为： <pre><code>HS_YSI_YYYY-MM-DD_metadata.txt HS_dock_pressure_trans_YYYY-MM-DD_metadata.txt</code></pre> 其中YYYY-MM-DD为采样时段的结束日期。 注意：上述文件中的元数据采集自数据记录仪，并未包含最终数据集的全部字段，因为部分字段是在数据清洗阶段生成的。 本文件创建于2021年7月14日，由KF完成；2021年7月22日由KF更新，新增了压力传感器的元数据条目。 ### 数据集说明 本数据集源自位于坎普豪斯码头（38.125367, -76.659537）的埃姆斯溪采样站。 <pre><code>* 水质理化数据通过YSI EXO2多参数水质探头（YSI EXO2 sonde）采集； * 水温（℃）与压力（千帕，KPa）通过Onset HOBO U20-001-01-Ti水位记录仪采集</code></pre> 所有数据采用CC-BY许可协议授权，引用时需使用Zenodo社区LEO（https://zenodo.org/communities/leo/）下的DOI。 ### 站点详情 传感器采样间隔为15分钟。 ### 测量参数、单位与变量名 1. date.time：记录采集的日期与时间，采用POSIX标准时间（POSIX standard time）格式，记为YYYY-MM-DD HH:MM:SS 2. date.time.adj：经校准的压力测量时间，已调整为与大气压采集时间对齐，格式为YYYY-MM-DD HH:MM:SS 3. observation：观测序号 4. timestamp：数据记录仪上报的日期与时间，格式为MM/DD/YY HH:MM:SS AM/PM 5. date：记录采集日期，格式为MM/DD/YYYY 6. time：记录采集时间，格式为HH:MM:SS 7. site_name：KOR软件提供的站点标识名称 8. unit_ID：水质仪编号 9. user_ID：创建采样模板的用户 10. Temp_dC：水温，单位为摄氏度（℃） 11. DO_perc：溶解氧百分饱和度（%） 12. DO_percL：“本地”溶解氧百分饱和度，该校准模式下无论大气压如何，本地饱和度始终为100%（%） 13. DO_mg-L：溶解氧浓度，单位为毫克每升（mg/L） 14. SPC_uS-cm：比电导率，单位为微西门子每厘米（μS/cm） 15. C_uS-cm：电导率，单位为微西门子每厘米（μS/cm） 16. nLFC_uS-cm：保留原标识，未标注单位 17. TDS_mg-L：总溶解固体，单位为毫克每升（mg/L） 18. SAL_PSU：水体盐度，单位为实用盐度单位（PSU） 19. pH：水体pH值 20. pH_mV：pH计的毫伏测量值，单位为毫伏（mV） 21. FNU：水体浊度，单位为福尔马肼浊度单位（FNU） 22. TSS_mg-L：总悬浮固体，单位为毫克每升（mg/L） 23. BGA_PC_RFU：藻蓝蛋白荧光强度，是蓝藻生物量的指示指标，单位为相对荧光单位（RFU） 24. BGC_PC_ug-L：水体中藻蓝蛋白浓度，是蓝藻生物量的指示指标，单位为微克每升（μg/L） 25. Chl_RFU：叶绿素荧光强度，是浮游植物生物量的指示指标，单位为相对荧光单位（RFU） 26. Chl_ug-L：水体中叶绿素浓度，是浮游植物生物量的指示指标，单位为微克每升（μg/L） 27. fDOM_RFU：荧光溶解性有机质（fDOM）荧光强度，单位为相对荧光单位（RFU） 28. fDOM_QSU：标准化荧光溶解性有机质浓度，单位为QSU 29. Wiper_V：清洗器电压输出，单位为伏特（V） 30. Cabel_V：电缆电压输出，单位为伏特（V） 31. Batt_V：内置电池电压输出，单位为伏特（V） 32. Pressure：压力传感器上方水体压力，单位为千帕（KPa） 33. Temp：压力传感器上报的水温，单位为摄氏度（℃） 34. press_mmHg：压力传感器上方水体压力，单位为毫米汞柱（mmHg） 35. BP_mmHg：黄屋气象站记录的大气压，单位为毫米汞柱（mmHg） 36. Z_press_trans：压力传感器上方水深，单位为厘米（cm） 37. Z：沉积物上方水深，单位为厘米（cm）