Introduction to MassWateR

Dr. Marcus Beck, mbeck@tbep.org

Tampa Bay Estuary Program

9/16/22

WHAT IS MASSWATER?

An R package for working with Massachusetts surface water quality data

• Summarize quality control checks and create reports
• Evaluate outliers
• Plot trends by site, date
• Create maps
• Format results for upload to WQX

WHAT IS MASSWATER?

A workflow to solve your data woes!

WEBSITE

Installation instructions, function help files, vignettes!

REQUIRED DATA

• Water quality data results file
• Data quality objective files (accuracy, frequency, completeness)
• Site metadata (location, site groups, etc.)
• WQX metadata

Templates

All data must be formatted using available templates, which you are already have! The package includes automated data checks to verify the correct format.

QC REVIEW

qcMWRreview(res = resdat, acc = accdat, frecom = frecomdat, output_dir = getwd())

view report

OUTLIER REVIEW

anlzMWRoutlier(res = resdat, param = "DO", acc = accdat, group = "month")

SEASONAL ANALYSIS

anlzMWRseason(res = resdat, param = "DO", acc = accdat, thresh = "fresh", group = "month", type = "jitterbar")

TIME-SERIES ANALYSIS

anlzMWRdate(res = resdat, param = "DO", acc = accdat, thresh = "fresh", group = "site", site = c("ABT-026", "ABT-077"))

SITE ANALYSIS

anlzMWRsite(res = resdat, param = "DO", acc = accdat, thresh = "fresh", type = "bar", confint = T)

MAP ANALYSIS

anlzMWRmap(res = resdat, param = "DO", acc = accdat, sit = sitdat, addwater = "medium", warn = F)

WQX FORMATTING

tabMWRwqx(res = resdat, acc = accdat, sit = sitdat, wqx = wqxdat, output_dir = getwd())

view output