README

Overview

This repository contains hydrologic data collected from the Rivendell field site at the Eel River Critical Zone Observatory as described in King, Evan Robyn. Tracing water through a forest root zone. Diss. 2023. The dataset includes meteorological variables, rock moisture, groundwater levels, and water stable isotope measurements of samples from the site.

Each data file is formatted as a CSV and includes time-stamped observations. Below, we describe each dataset and provide a list of column names.


1. Weather Data

Filename: weather_data.csv
Description: This file contains meteorological data from multiple weather stations, including temperature, rainfall, humidity, and solar radiation.

Columns:
		AngeloMeadowWs_Air_Temp: Air temperature recorded at the Angelo Meadow Weather Station (C).
		AngeloMeadowWs_Rainfall_TB4: Rainfall recorded at the Angelo Meadow Weather Station using a TB4 rain gauge (mm).
		AngeloMeadowWs_Relative_Humidity: Relative humidity at the Angelo Meadow Weather Station (%).
		AngeloMeadowWs_Total_Solar_Radiation: Total solar radiation at the Angelo Meadow Weather Station (W/m?).
		AngeloHqWs_Air_Temp: Air temperature recorded at the Angelo HQ Weather Station (C).
		AngeloHqWs_Rainfall_Combined: Combined rainfall data from multiple sensors at the Angelo HQ Weather Station (mm).
		waterYear: Hydrologic water year corresponding to the observation.
		WY_Rain_mm: Cumulative rainfall for the water year (mm).
		Date: Date of observation (YYYY-MM-DD).


2. Rock Moisture Data

Filename: rock_moisture_data.csv
Description: This dataset contains normalized and filtered volumetric moisture content measurements from TDT sensors installed in the vadose zone monitoring system.

Columns:
		Vms_Rock_Moisture_A1 - Vms_Rock_Moisture_A10: Normalized volumetric moisture content measurements at different rock moisture sensor locations (unit: fraction).
		Date: Date of observation (YYYY-MM-DD).


3. Groundwater Data

Filename: groundwater_data.csv
Description: This dataset includes adjusted groundwater level measurements from multiple wells.

Columns:
		well_01_adjust - well_16_adjust: Groundwater level measurements (adjusted) from different monitoring wells (m).
		dayofyear: Day of the year (1-365).
		year: Year of observation (YYYY).

4. Water Stable Isotope Data

Filename: water_stable_isotope_data.csv
Description: This file contains water stable isotope measurements, along with sample metadata, collection details, and site information.

Columns:
		Sample Information:
		ERCZO ID: Unique identifier for the sample.
		Original Sample Vial Label: Label assigned to the sample vial.
		Date Collected: Date the sample was collected (YYYY-MM-DD).
		Time Collected: Time the sample was collected (HH:MM).
		Site: General site location of the sample.
		Location: Specific sampling location within the site.
		Sample Type: Type of sample collected (e.g., groundwater, xylem water).
		Sample Type II: Additional classification of the sample.
		Tree Tag, Tree tag, Tree tag 2: Identifiers for sampled trees (if applicable).
		Environmental & Collection Metadata:
		Species (common), Species (scientific): Common and scientific names of sampled vegetation.
		Well water level (m): Groundwater level in the well at the time of sampling (m).
		Depth (m), Depth (cm), Depth (ft): Sample collection depth in different units.
		Gravimetric moisture content (g/g): Gravimetric moisture content measurement.
		Collected by: Name of the collector.
		Sampling Notes: Additional notes on the sampling process.
		Isotope Analysis & Instrumentation:
		dD Instrument, dO Instrument: Instruments used for ?D and ???O measurements.
		HD run ID, GB run ID: Run IDs for isotope analysis.
		dD: Measured ?D value.
		dO: Measured ???O value.
		Additional Metadata:
		Sample Vial Location: Storage location of the sample.
		VMS Sleeve, VMS Port: Identification for VMS sampling ports.
		Adjacent well groundwater depth at time of sampling (m): Nearby well water level during collection.
		Energetic State: Energy state classification of the sample.
		Date collection started, Time collection started: Timestamp of sample collection initiation.
		Extraction Method: Method used for extracting water.
		Centrifuge Duration (hr), Water Centrifuge Duration (hr): Time spent centrifuging the sample.
		Analysis Notes: Additional comments related to analysis.
		timestamp, timestamp_rounded: Exact timestamps of data recording.
		waterYear: Water year corresponding to the observation.
		date, datetime: Alternative date formats for ease of analysis.

Usage Notes
		All timestamps are in YYYY-MM-DD format unless otherwise specified.
		Missing values are represented as NaN.
		Units are provided where applicable; users should verify unit consistency before analysis.
		Please cite the dataset properly when using it in research publications.