Publications by Matt Shank

Amphipods and Isopods in PA

15.05.2020

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Monomeric Aluminum in PA

12.05.2020

Overview        This document serves as an overview of monomeric Aluminum (test code 01106D) availability in Pennsylvania. Monomeric Al is a dissolved species of aluminum that is filtered through a 0.1 micron filter.        A query was run in SIS to pull all statewide monomeric Al data and match with spatial data using the NHD_ID fie...

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Draft Diatom Map

08.05.2020

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FAME Nutrient Distributions

24.04.2020

R Markdown Below are steps taken to: 1. identify a population of WQN sites that are representative of the FAME dataset 2. Compare nutrient concentrations (N & P species) between WQN and FAME sites I first imported FAME land use (n = 49 sites). I then aggregated land use (LU) into more meaningful groups: developed = devopen + devlow + devmed +...

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Creating and Committing a GitHub Repository

06.04.2020

This tutorial shows the process necessary to commit your working directory to a github repository 1. First, sign into your github account and create a new repository 2. Next, name your repository and give it a short description Choose whether privacy is set to ‘Public’ or ‘Private’ Make sure you click the box beside ‘Initialize this ...

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leaflet rmd training

02.04.2020

Leaflet in R Markdown Training for DEP Assessment and Monitoring Staff From a Safe Social Distance So we’ve gone over code to pull data from SIS and clean/analyze the resulting dataset. Now we’ll look at the R Markdown side to see how to present interactive maps that we created in ‘script_mapping.R’ When you click the Knit button a docu...

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WQI vs. trout biomass

12.03.2020

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Potentially incorrect spatial WQN stations in WQI dataset

24.02.2020

Comparison of WQN site coordinates in the WQI and WQN datasets Methods Tim and I noticed some issues with WQN site locations. This was evident at WQN0453: the WQI dataset had this station on Cedar Run in Clinton Co. (trib to Fishing Ck); however the WQN dataset puts WQN0453 on a different Cedar Run in Tioga Co. (trib to Pine Ck). To determine...

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DEP WQI Interactive Mapper: 2009-2019

21.02.2020

PA WQI v.2019 DEP’s Water Quality Index (WQI) uses concentrations of 21 physicochemical parameters to index an overall score from 1-100 (poor-good). The results are based on how similar a site’s water quality is to water quality dominated by one of four major land use/covers, referred to as Sub-WQI (SWQI) scores. The lowest SWQI of the four ...

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