Santee Experimental Forest, Watershed 80: streamflow, water chemistry, water table, and weather data

Metadata:

Entity_and_Attribute_Information:

Overview_Description:

Entity_and_Attribute_Overview:

Below you will find a list and description of all files included in this data publication.

NOTE: Data are available as comma-separated values (CSV) files in the full data publication download but are provided as CSV or tab-delimited files through the online query tool. The query tool provides the ability to calculate summary statistics, but be aware that those calculations are based on user selections and should be carefully interpreted. All missing data are indicated by blank cells.


VARIABLE DESCRIPTION FILE (1)

1. _variable_descriptions.csv: Comma-separated values (CSV) file containing a list and description of variables found in all data files and applicable supplemental files. (A description of these variables is also provided in the metadata below.)

Columns include:

Filename = name of data file
Variable = name of variable
Units = units (if applicable)
Precision = precision (if applicable)
Description = description of variable


DATA FILES (12)

\DATA\FLOW\

1. WS80_10min_flow_2003-2022.csv: Watershed 80 (WS80) 10 or 15-minute instantaneous flow rate data starting in 2003.

Variables include:

Location = watershed (WS80 = Watershed 80)
Instr_ID = gauging station name (Weir80 = water level recorder used in conjunction with WS80 weir)
Date_time = instantaneous date and time stage data recorded (format = mm/dd/yyyy hh/mm)
Date_ = date associated with stage data (date format = mm/dd/yyyy)
Time24_Flo = nearest minute associated with stage data (0 to 1430)
Flow_liter = flow rate (calculated from stage data), in liters per second (L/sec)


2. WS80_dailyflow_2003-2022.csv: Watershed 80 daily mean flow rate and total daily flow data starting in 2003.

Variables include:

Location = watershed (WS80 = Watershed 80)
Instr_ID = gauging station name (Weir80 = water level recorder used in conjunction with WS80 weir)
Date_ = date associated with stage data (date format = mm/dd/yyyy)
Avg_FlowRa = daily mean flow rate in L/sec
DailyFlow_ = total daily flow in cubic meters (m³)


3. WS80_historical_data.csv: Watershed 80 daily mean flow rate data from 11/1/1968 to 6/27/1999.

Variables include:

Location = watershed name (WS80 = Watershed 80)
Instr_ID = gauging station name (Weir80 = water level recorder used in conjunction with WS80 weir)
Date_ = date associated with stage data (date format mm/dd/yyyy)
Dailyflow_ = daily mean flow rate, in L/sec


\DATA\WATER_QUALITY\

4. WS80_historical_chemistry.csv: Historic Watershed 80 water quality data 1976 to 1994.

Variables include:

Location = watershed (WS80 = Watershed 80)
Instr_ID = gauging station (Weir80 = WS80 weir)
Date_ = date associated with data (date format = mm/dd/yyyy)
pH = stream pH
NO3_NO2_N_mgL = nitrogen concentration in the form of nitrate/nitrite in milligrams/liter (mg/L)
NH4_N_mgL = nitrogen concentration in the form of ammonium (mg/L)
PO4_P_mgL = phosphorus concentration in the form of inorganic phosphate (mg/L)
Cl_mgL = chloride concentration (mg/L)
K_mgL = potassium concentration (mg/L)
Na_mgL = sodium concentration (mg/L)
Ca_mgL = calcium concentration (mg/L)
Mg_mgL = magnesium concentration (mg/L)
SO4_S_mgL = sulfur concentration in the form of sulfate (mg/L)
TKN_mgL = total Kjehldal nitrogen concentration (mg/L)
SiO3_mgL = silicate concentration (mg/L)
HCO3_mgL = bicarbonate concentration (mg/L)
TN_mgL = total nitrogen concentration (mg/L)
Conductivi = stream conductivity in microSiemens per centimeter (microS/cm)
Temp_C = stream temperature in degrees Celsius (°C)


5. WS80_water_chemistry_2004-2022.csv: Water quality and stream water property data recorded from WS80 gauging station starting in 2004.

Variables include:

Location = watershed (WS80 = Watershed 80)
Instr_ID = gauging station (Weir80 = WS80 weir)
Date_time = instantaneous date and time sample collected (format = mm/dd/yyyy hh/mm)
Date_ = date associated with data (date format = mm/dd/yyyy)
Sample_typ = sample type (grab, automated or Manta/Hanna multiprobe measurement)
TDN_mgL = total dissolved nitrogen concentration in milligrams/liter (mg/L)
TDP_mgL = total dissolved phosphorus concentration in (mg/L)
NH4_N_mgL = nitrogen concentration in the form of ammonium (mg/L)
NO3_NO2_N_mgL = nitrogen concentration in the form of nitrate/nitrite (mg/L)
Cl_mgL = chloride concentration (mg/L)
Ca_mgL = calcium concentration (mg/L)
K_mgL = potassium concentration (mg/L)
Mg_mgL = magnesium concentration (mg/L)
Na_mgL = sodium concentration (mg/L)
P_mgL = phosphorus concentration (mg/L)
DOC_mgL = dissolved organic carbon concentration (mg/L)
Br_mgL = bromide concentration (mg/L)
SO4_mgL = sulfate concentration (mg/L)
PO4_mgL = phosphate concentration (mg/L)
SiO2_mgL = silicate concentration (mg/L)
Temp_C = stream temperature in °C
pH = stream pH
Conductivi = stream conductivity in milliSiemens per centimeter (mS/cm)
Salinity_P = stream salinity (Practical Salinity Scale)
DO_mgL = dissolved oxygen in stream (mg/L)
DO_per_sat = percent saturation dissolved oxygen in stream


\DATA\WATER_TABLE\

6. WS80_historic_well_levels.csv: Water table data for manual well network in WS80 (post-Hurricane Hugo) from 1992 to 1995.

Variables include:

Location = watershed (WS80 = Watershed 80)
Instr_ID = well name (w28001 = post-Hugo well number 1)
Date_ = date associated with data (date format = mm/dd/yyyy)
Depth_cm_b = depth, in centimeters (cm) below ground surface (positive values represent levels above ground surface and negative values represent levels below ground surface)
elev_m_asl = elevation, in meters (m) above sea level

*The form of the well ID numbers is whwwnn, where h is an indicator of pre-Hurricane Hugo versus post-Hurricane Hugo, ww is the watershed number, and nn is the well number. The values of h are 1 for pre-Hugo, and 2 for post-Hugo. The well numbers, nn, are in two digit format, e.g. well numbers less than 10 are represented as 0n, as opposed to just n.


7. WS80_manual_well_transect_data_2003-2019.csv: Bi-weekly well level data for manual well networks in WS80 from 2003 to 2019.

Variables include:

Well_ID = well name
Date_ = date associated with water table data (date format = mm/dd/yyyy)
Water Table Depth BGS (cm) = depth, cm below ground surface, in cm (positive values represent levels above ground surface and negative values represent levels below ground surface)
Elevation of water table ASL (m) = elevation, m above sea level, in m
Dry = when depths below ground surface and elevations above mean sea level for periods where the water table was below the detection limit of the sensor, this column contains "DRY" and both Water Table Depth BGS (cm) and Elevation of water table ASL (m) are blank.


8. WS80_well_levels_2003-2022.csv: Hourly well level data recorded from WS80 well D starting in 2003 and well H starting in 2005.

Variables include:

Instr_ID = instrument name
Date_Time = instantaneous date and time associated with water table data (format = mm/dd/yyyy hh/mm)
Water Table Depth BGS (cm) = depth, cm below ground surface, in cm (positive values represent levels above ground surface and negative values represent levels below ground surface)
Elevation of water table ASL (m) = elevation, m above sea level, in m
Sample_Int (hr) = sample interval, in hours
Dry = when depths below ground surface and elevations above mean sea level for periods where the water table was below the detection limit of the sensor, this column contains "DRY" and both Water Table Depth BGS (cm) and Elevation of water table ASL (m) are blank.


\DATA\WEATHER\

9. Met_25_historic_data.csv: Daily rain and air temperature data recorded at Met25 weather station from 1990 to 2001.

Variables include:

Location = watershed name (WS80 = Watershed 80)
Instr_ID = weather station name (Met25 = meteorologic station 25)
Date_ = date associated with rainfall and air temperature data (date format = mm/dd/yyyy)
Rainfall_m = daily total rainfall, in millimeters (mm)
Air_Temp_C = daily average temperature, in °C


10. Met_25_hourly_data_2001-2022.csv: Hourly air and soil temperature and rainfall data recorded at Met25 weather station, starting in 2001.

Variables include:

Location = watershed (WS80 = Watershed 80)
Instr_ID = instrument name (Met25 = meteorologic station 25)
Date_time_temp = instantaneous date and time temperature data recorded (format = mm/dd/yyyy hh:mm)
Date_temp = date associated with temperature data (date format = mm/dd/yyyy)
Time24_temp = nearest hour associated with temperature data (0 to 23)
Air_Temp_C = instantaneous air temperature, in °C
Soil_Temp_ = instantaneous soil temperature, in °C
Date_time_rain = ending date and time for calculation of hourly rainfall (format = mm/dd/yyyy hh:mm)
Date_rain = date associated with rainfall data (date format = mm/dd/yyyy)
Time24_rain = nearest hour associated with rainfall data (1 to 24)
Rainfall_m = rainfall total for preceding hour, in mm
Sample_Int = sample interval (hours)


11. WS80_nonrecording_gauges_1966-1984.csv: WS80 Non-recording gauge rainfall data, 1966 to 1984.

Variables include:

Location = watershed (WS80 = Watershed 80)
Instr_ID = instrument name (e.g., Gauge20 = Rain gauge number 20)
Date_ = date associated with rainfall data (date format = mm/dd/yyyy)
Rainfall_m = daily total rainfall, in mm
Remarks = comments recorded in field data


12. WS80_Tower_2010-2022.csv: 15-minute values for a suite of climate variables recorded by sensors located in 90 feet above the forest canopy in WS80, starting in 2010.

Variables include:

Location = watershed (WS80 = Watershed 80)
Instr_ID = instrument name
Date_time = instantaneous date and time data recorded (format = mm/dd/yyyy hh:mm)
Date_instant = date associated with instantaneous data (date format = mm/dd/yyyy)
Time24_instant = nearest quarter hour associated with instantaneous data (0 to 23.75)
Date_ave = date associated with averaged/totaled data (date format = mm/dd/yyyy)
Time24_ave = nearest quarter hour associated with averaged/totalled data (0.25 to 24)
Ave_air_T = 15 minute average air temperature in °C
Max_air_T = 15 minute maximum air temperature in °C
Min_air_T = 15 minute minimum air temperature in °C
RH = 15 minute relative humidity (fraction)
Max_RH = 15 minute maximum relative humidity (fraction)
Min_RH = 15 minute minimum relative humidity (fraction)
Ave_vapor_ = 15 minute calculated average vapor pressure in Kilopascals (kPa)
Ave_soil_T = 15 minute average soil temperature in °C
Ave_PAR = 15 minute average photosynthetically active radiation (PAR) in micromoles/meter squared per second (umol/m²/sec)
Ave_solar = 15 minute average solar radiation in watts per square meter (W/m²)
Windspeed_ = 15 minute average windspeed in meters per second
Wind_direc = 15 minute wind direction vector in degrees
Cor_Netrad = 15 minute average net radiation (windspeed corrected) in W/m²)
Sample_Int = sample interval (hours)


SUPPLEMENTAL FILES (6)

\SUPPLEMENTS\

1. SEF_Laboratory_Manual_01-09-14: Portable Document Format file containing "Santee Experimental Forest: Laboratory Methods" edited by Julie Arnold on 01/09/2014.

2. wetlab-cookbook_revised-2017-08-08.pdf: Portable Document Format file containing "Procedures for Chemical Analysis" by Coweeta Hydrologic Laboratory (obtained on 11/01/2019 from https://www.srs.fs.usda.gov/coweeta/tools-and-data/wetlab-cookbook_revised-2017-08-08.pdf).

3. WS80_current_hydrology_instrumentation.png: Portable Network Graphics file containing a map showing the locations of the WS80 auto-recording wells, weather stations, and stream gauging station.

4. WS80_historic_manual_wells.png: Portable Network Graphics file containing a map showing the locations of the historic WS80 manual wells.

5. WS80_related_publications.pdf: Portable Document Format file containing a list of publications that reference the data included in this package: WS80 streamflow, water chemistry, water table, or weather data.

6. WS80_well_map.png: Portable Network Graphics file containing a map showing the names and locations of the WS80 auto-recording wells (D and H) as well as manual wells (9, 10, 11, 27, A, B, C, F, and G).

Entity_and_Attribute_Detail_Citation:

none provided

Metadata_Reference_Information:

Metadata_Date: 20240408

Metadata_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: USDA Forest Service, Southern Research Station, Center for Forested Wetlands Research

Contact_Person: Andy Harrison

Contact_Position: Hydrology Technician

Contact_Address:

Address_Type: mailing and physical

Address: 3734 Hwy 402

City: Cordesville

State_or_Province: SC

Postal_Code: 29434

Country: USA

Contact_Voice_Telephone: 843-336-5603

Contact_Electronic_Mail_Address: charles.a.harrison@usda.gov

Contact Instructions: This contact information was current as of original publication date. For current information see Contact Us page on: https://doi.org/10.2737/RDS.

Metadata_Standard_Name: FGDC Biological Data Profile of the Content Standard for Digital Geospatial Metadata

Metadata_Standard_Version: FGDC-STD-001.1-1999