Merge pull request #192 from COMPASS-DOE/flood-info

Add documentation about TEMPEST flood dates and data frequency

synoptic/L1.qmd

@@ -162,6 +162,9 @@ if(!is.numeric(out_df$Rows)) {
 
 n_obs <- format(sum(out_df$Rows), big.mark = ",")
 n_na <- format(sum(out_df$NA_rows), big.mark = ",")
+
+# Restore old warning setting
+options(warn = oldwarn)
 ```
 
 ## Metadata
@@ -298,7 +301,4 @@ Git commit `r GIT_COMMIT`.
 
 ```{r reproducibility}
 sessionInfo()
-
-# Restore old warning setting
-options(warn = oldwarn)
 ```

synoptic/metadata/L1_metadata/README_v1-0.txt

@@ -37,6 +37,12 @@ Island), MSM (Moneystump Marsh), OWC (Old Woman Creek), PTR (Portage
 River), SWH (Sweet Hall Marsh), and TMP (TEMPEST experiment). See
 site-specific metadata files in each folder.
 
+Data are normally logged at a 15 minute interval, but this is **not** 
+guaranteed. In particular, there may be:
+* Missing data points (due to offline sensors, for example);
+* Multiple, numerically different observations for a given timestamp (rare, but can occur at TEMPEST);
+* Less-than-15-minute time intervals, in particular during TEMPEST flood events.
+
 CHANGELOG
 —----------------------------------
 Version 1-0 released 2024-05-29

synoptic/metadata/L1_metadata/TMP.txt

@@ -7,6 +7,14 @@ years old) temperate, deciduous coastal forest.
 NOTE: Meteorological data for TEMPEST are available in the GCW-W files
 and are from the GCReW met station. See notes in the GCW metadata.
 
+The TEMPEST flood events occurred on the following dates. They
+lasted for ~10 hours each day and delivered ~80,000 gallons to each plot;
+many data streams are available at 1 or 5 minute frequency during these periods.
+* Tests: Aug 25 (fresh plot) and Sep 9 (salt plot), 2021
+* TEMPEST 1: June 22, 2022
+* TEMPEST 2: June 6-7, 2023
+* TEMPEST 3: June 11-13, 2024
+
 Contact for the TEMPEST site: 
 J. Patrick Megonigal [email protected]