Southwest Biological Science Center

Filter Total Items: 7
Brown, sediment-laden water of the Paria River mixes with the clear water of the Colorado River
January 31, 2017

Discharge, Sediment, and Water Quality Monitoring Application

This link launches the Grand Canyon Monitoring and Research Center’s discharge, sediment and water quality monitoring application gateway.  Sediment and water quality information can be accessed from here for our on-going monitoring taking place across the Southwest U.S.

Sandbar on the bank of the Colorado River in Grand Canyon
January 30, 2017

Grand Canyon Sandbar Monitoring

Several applications related to the Grand Canyon Monitoring and Research Center’s long-term sandbar monitoring project can be accessed here, including the sandbar area and volume tool and applications highlighting changes to sandbars as a result of High-Flow Events (HFEs) conducted by Glen Canyon Dam near Page, Arizona.

Several people on a raft going through muddy rapids.
January 23, 2017

Grand Canyon Citizen Science Story Map

This story map application provides an interactive map showing light trap locations along the Colorado River as well as other content further describing this Citizen Science initiative. Data are currently available for the years 2012 through 2014, with more recent efforts coming soon.

Small, green adult fly on the Colorado River, Grand Canyon.
January 19, 2017

Grand Canyon Aquatic Ecology Web Application

This application allows for the exploration of a select set of insect emergence data collected as part of a citizen science project initiated by the Grand Canyon Monitoring and Research Center (GCMRC).  Data present in this application relate to a recent BioScience publication from USGS scientists and collaborators that investigated the effects of dam operations on downstream aquatic insects.

Vegetation Drought response index screenshot
December 14, 2016

RAMPS Climate Partitioning Tool

The purpose of this application is to aid sampling efforts along climate gradients for a geographic region of interest. Examples of potential uses of this tool include: sampling plant materials for common garden studies, establishing common garden arrays, establishing vegetation transects, or banking seed for native plant conservation.

Image: Arizona Upland Plant Community in the Sonoran Desert
December 14, 2016

RAMPS Seed Selection Tool

The purpose of this application is to aid seed selection efforts of restoration and revegetation practitioners by matching the climate of georeferenced seed sources to potential target sites. 

Image: Sandbar on the Colorado River in Grand Canyon
December 10, 2016

Digital Grain Size Calculator

This is a free tool, working through your web browser, to calculate the particle size distribution of grains within digital photographs of sediment and other granular material. This is an implementation of the method of Buscombe (2013). Log in, upload your images, and download your particle size statistics.