get_usgs_dv_interactively {gwavr}

Get United States Geologic Survey (USGS) Daily Flow Values Interactively

Description

This function allows the user to select United States Geologic Survey (USGS) stations and get back daily flow values based on station selected. It uses the USGS Water Services to get the values as well as the USGS Sites.

Usage

get_usgs_dv_interactively(
  ns = "usgsdv-ui",
  viewer = shiny::paneViewer(),
  title = "Get USGS Daily Flow Values",
  ...
)

Arguments

ns

string name for the Shiny namespace to use. The ns is unlikely to require a change.

viewer

function for the viewer. See Shiny viewer. NOTE: when using browserViewer(browser = getOption("browser")) to open the app in the default browser, the browser window will automatically close when closing the app (by pressing "done" or "cancel") in most browsers. Firefox is an exception. See Details for instructions on how to enable this behaviour in Firefox.

title

string to customize the title of the UI window. The default is "Get USGS Instantaneous Flow Values".

...

other arguments to leafletOutput() in module.

Details

Steps

1. Select the sites you want to retrieve.

2. When finished, press 'done' and sites daily flow values will be saved to a data.frame in local environment.

Value

A data.frame that contains flow values based on the station(s) selected during shiny session.

Note

You can select multiple stations. The information from the hover details is not included in the data.frame that is returned, e.g. rate of change, percentile description.

Examples

if(interactive()){
dv_usgs <- get_usgs_dv_interactively()
}