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Gravity data along the Little Colorado River near Leupp, Arizona, 2020-2021

Dates

Publication Date
Time Period
2021

Citation

Kennedy, J.R., 2023, Gravity data along the Little Colorado River near Leupp, Arizona, 2020-2021: U.S. Geological Survey data release, https://doi.org/10.5066/P9E6AXVJ.

Summary

This dataset represents the network-adjusted results of relative- and absolute-gravity surveys. Relative-gravity surveys were carried out using a ZLS Coporation Burris relative-gravity meter. The effect of solid Earth tides and ocean loading were removed from the data. Instrument drift was removed by evaluating gravity change during repeated measurements at one or more base stations, or between absolute-gravity stations. Absolute-gravity surveys were carried out using a Micro-g LaCoste, Inc. A-10 absolute-gravity meter. The vertical gravity gradient was assumed to be -3 microGal/cm at each absolute-gravity site. Relative-gravity differences and absolute-gravity data were combined using a least-squares network adjustment, as implemented [...]

Contacts

Point of Contact :
Jeffrey R Kennedy
Originator :
Jeffrey R Kennedy
Metadata Contact :
Jeffrey R Kennedy
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
Arizona Water Science Center
USGS Mission Area :
Water Resources

Attached Files

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Leupp_AdjustedGravity.csv 20.92 KB text/csv

Purpose

Data were collected to evaluate the thickness of alluvial sediment and the alluvial aquifer underneath the Little Colorado River near Leupp, Arizona.

Additional Information

Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9E6AXVJ

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