Filters: Tags: gravimeter measurement (X) > partyWithName: Jeffrey R Kennedy (X) > Categories: Data (X)

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Gravity data along the Little Colorado River near Leupp, Arizona, 2020-2021 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,... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Arizona Water Science Center, Coconino Country, Geophysics, Leupp, Little Colorado River, All tags... Navajo Nation, Southwest Gravity Program, USGS Science Data Catalog (SDC), geophysics, gravimeter measurement, gravitational field (earth), hydrogeology, Fewer tags Repeat microgravity data from Albuquerque and Bernalillo County, New Mexico, 2016-2021 (ver. 3.0, March 2023) This dataset represents the network-adjusted results of relative- and absolute-gravity surveys. Relative-gravity surveys were carried out using a Zero Length Spring, Inc. 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. Absolute-gravity surveys were carried out using a Micro-g LaCoste, Inc. A-10 absolute-gravity meter. Vertical gradients between the different measuring heights of the absolute- and relative-gravity meters were measured using a relative-gravity meter and tripod, and used to correlate the measurements between the two instruments.... Categories: Data, Data Release - Revised; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Albuquerque, Bernalillo County, NCCWSC, New Mexico, Southwest Gravity Program, All tags... USGS Science Data Catalog (SDC), gravimeter measurement, time series datasets, Fewer tags Repeat microgravity data from the Hualapai Valley, Mohave County, Arizona, 2008-2019 This dataset contains absolute-gravity measurements made using an A-10 absolute gravity meter (Micro-g Lacoste, Inc.) in 2008, 2009, 2017, 2018, and 2019 in the Hualapai Valley, Mohave County, Arizona. Measurements were made at 9 different stations. Data are presented in tabular form, including relevant parameters used for processing. Data were output by g software (Micro-g Lacoste, Inc.) version 9.12.04.23. A correction for laser-frequency drift was applied to data collected in 2009 and 2017 to account for changes in laser wavelength during these periods. The correction is based on linear interpolation in time between regular calibrations of the HeNe laser used in the A-10 against an iodine-stabilized laser. ... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Arizona, Geophysics, Hualapai Valley, Hydrology, Mohave County, All tags... Southwest Gravity Program, USGS Science Data Catalog (SDC), gravimeter measurement, repeat microgravity, time series datasets, Fewer tags Repeat microgravity data from the Big Chino Subbasin, 2001-2017, Yavapai County, Arizona This dataset contains absolute-gravity measurements made using an A-10 absolute gravity meter (Micro-g Lacoste, Inc.) between 2009 and 2017 in the Big Chino Subbasin, Yavapai County, Arizona. Measurements were made about 3 times per year at a total of 33 different stations. Data are presented in tabular form, including relevant parameters used for processing. Data were output by g software (Micro-g Lacoste, Inc.) version 9.12.04.23. A correction for laser-frequency drift was applied, based on regular calibration of the HeNe laser used in the A-10 against an iodine-stabilized laser. A second soil-moisture correction was applied based on satellite soil-moisture measurements, an infiltration model, and the elevation... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Arizona, Big Chino-Williamson Valley, Geophysics, Hydrogeology, Paulden, All tags... Southwest Gravity Program, USGS Science Data Catalog (SDC), Upper Verde, Water Resources, Yavapai, geophysics, gravimeter measurement, gravitational field (earth), groundwater, groundwater level, hydrogeology, oceans, time series datasets, Fewer tags Gravity data from the Truxton area, northwestern Arizona This dataset represents the network-adjusted results of relative- and absolute-gravity surveys. Data are provided in tabular (csv) and vector (shapefile) formats with one row per station.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... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Arizona Water Science Center, Geophysics, Hualapai Indian Reservation, Mohave Country, Peach Springs, All tags... Southwest Gravity Program, Truxton, USGS Science Data Catalog (SDC), Water Resources, geophysics, gravimeter measurement, gravitational field (earth), hydrogeology, Fewer tags