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Discharge and water temperature data, Lake Powell thermal profiles, and Annual Thermal Units used to assess reintroduction feasibility of Colorado pikeminnow (Ptychocheilus lucius) in the Colorado River in Grand Canyon

Metadata Updated: October 28, 2023

These data were compiled to assess the physical attributes of the Colorado River and its tributaries in Grand Canyon, including discharge, water temperature, Annual Thermal Units, and the potential future thermal regime of the river due to climate change. The objective of our study was to assess whether this river reach could support various life stages of Colorado pikeminnow (Ptychocheilus lucius). These data represent discharge and water temperature in the river segment between Glen Canyon Dam and the Lake Mead inflow, as well as data from Lake Powell that drive water temperatures in Grand Canyon. These data were collected in the Colorado River in Grand Canyon from 1/1/1950 to 9/8/2021. These data were collected by the U.S. Geological Survey (discharge, water temperature, Lake Powell thermal profiles) and the Bureau of Reclamation (Lake Powell thermal profiles, reservoir surface elevation). These data were collected via field observation or by USGS stream gages. These data can be used to understand how discharge, water temperature, and changes in the elevation of Lake Powell affect the physical attributes of the river downstream from Glen Canyon Dam in order to evaluate habitat suitability of the reach for Colorado pikeminnow.

Access & Use Information

Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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Metadata Created Date July 19, 2023
Metadata Updated Date October 28, 2023

Metadata Source

Harvested from DOI EDI

Additional Metadata

Resource Type Dataset
Metadata Created Date July 19, 2023
Metadata Updated Date October 28, 2023
Publisher U.S. Geological Survey
Identifier USGS:6273e7c5d34e8d45aa6e1dc8
Data Last Modified 20230612
Category geospatial
Public Access Level public
Bureau Code 010:12
Metadata Context
Metadata Catalog ID
Schema Version
Catalog Describedby
Harvest Object Id 263f1109-f91c-410a-8ec1-98b13898d40b
Harvest Source Id 52bfcc16-6e15-478f-809a-b1bc76f1aeda
Harvest Source Title DOI EDI
Metadata Type geospatial
Old Spatial -114.02379,35.740126,-111.476798,36.965854
Publisher Hierarchy White House > U.S. Department of the Interior > U.S. Geological Survey
Source Datajson Identifier True
Source Hash 17a914d5ab59434843a322cc3bcde7e19d9c1ceca49ee7d9557b29ff7bbcf6f5
Source Schema Version 1.1
Spatial {"type": "Polygon", "coordinates": -114.02379, 35.740126, -114.02379, 36.965854, -111.476798, 36.965854, -111.476798, 35.740126, -114.02379, 35.740126}

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