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Geology topics

A.D. Konieczki

Publications and source records attributed to A.D. Konieczki.

7 recordsLinked to original sources

Hydrologic data from the study of acidic contamination in the Miami Wash— Pinal Creek Area, Arizona, water years 1997–2004

Since 1984, hydrologic data have been collected as part of a U.S. Geological Survey study of the occurrence and movement of acidic contamination in the aquifer and streams of the Pinal Creek drainage basin near Globe, Arizona. Ground-water data from that study are presented for water years 1997 through 2004 and include location, construction information, site plans, water levels, chemical and physical field measurements, and selected chemical analyses of water samples for 31 project wells. Hydrographs of depth to ground water are also included. Surface-water data for four sites are also presented and include selected chemical analyses of water samples. Monthly precipitation data and long-term precipitation statistics are presented for two sites. Chemical analyses of samples collected from the stream and shallow ground water in the perennial reach of Pinal Creek are also included.

Arizona

Investigation of the hydrologic monitoring network of the Willcox and Douglas Basins of southeastern Arizona: A project of the Rural Watershed Initiative

In 2005, the U.S. Geological Survey (USGS), in cooperation with the Arizona Department of Water Resources (ADWR), began an investigation of the geology and hydrology of the Willcox and Douglas Basins (primarily focusing on the hydrologic monitoring network) as part of the Rural Watershed Initiative (RWI). The purpose of this study is to evaluate the data-collection network that is used to monitor hydrologic conditions and ground-water storage changes in the Willcox and Douglas Basins.

Arizona

Causes of sinks near Tucson, Arizona, USA

Land subsidence in the form of sinks has occurred on and near farmlands near Tucson, Pima County, Arizona, USA. The sinks occur in alluvial deposits along the flood plain of the Santa Cruz River, and have made farmlands dangerous and unsuitable for farming. More than 1700 sinks are confined to the flood plain of the Santa Cruz River and are grouped along two north-northwestward-trending bands that are approximately parallel to the river and other flood-plain drainages. An estimated 17,000 m 3 of sediment have been removed in the formation of the sinks. Thirteen trenches were dug to depths of 4–6 m to characterize near-surface sediments in sink and nonsink areas. Sediments below about 2 m included a large percentage of dispersive clays in sink areas. Sediments in nonsink areas contain a large component of medium- to coarse-grained, moderately to well sorted sand that probably fills a paleochannel. Electromagnetic surveys support the association of silts and clays in sink areas that are highly electrically conductive relative to sand in nonsink areas. Sinks probably are caused by the near-surface process of subsurface erosion of dispersive sediments along pre-existing cracks in predominantly silt and clay sediments. The pre-existing cracks probably result from desiccation or tension that developed during periods of water-table decline and channel incision during the past 100 years or in earlier periods.

Hydrogeology Journal

Evaluation of ground-water recharge along the Gila River as a result of the flood of October 1983, in and near the Gila River Indian Reservation, Maricopa and Pinal Counties, Arizona

Flow in the Gila River from the flood of October 1983 infiltrated the stream channel and recharged the groundwater system along the Gila River floodplain from Ashurst-Hayden Dam to the confluence with the Salt River. Changes in groundwater levels from January 1983 to March 1984 confirmed the occurrence of recharge to the groundwater system. The average water level change for 74 wells was +24.2 ft. The water-level rise was greatest in the reach from river mile 15 to river mile 22, where the average water level change for 10 wells was +59.4 ft. The average water level increase for 28 miles from river mile 40 to river mile 71 was +14.2 ft. Estimates of recharge from January 1983 to March 1984 ranged from 440,000 to 640, 000 acre-ft. A water budget method and a water level change method were used to estimate the recharge to the aquifer. At least 46% to 66% of the recharge was the result of streamflow infiltration from the Gila River during October 1983 to February 1984. The increase in aquifer storage was one to two times greater than the quantity of groundwater pumped from the Gila River Indian Reservation during the 10 years preceding the flood.

Arizona

Maps showing ground-water conditions in the upper San Pedro basin area, Pima, Santa Cruz, and Cochise Counties, Arizona; 1978

The upper San Pedro basin area includes about 1,800 square miles in southeastern Arizona. The main use of groundwater is for irrigation. During 1966-77, about 481,000 acre-feet of groundwater was withdrawn. Except near Sierra Vista and Fort Huachuca, the groundwater withdrawals have had little effect on water levels. Information shown on the maps includes altitude of the water level, depth to water, depth of well, hydrographs of the water level in selected wells, irrigated area, and specific conductance and fluoride concentration in the water. A table of pumpage also is included. (USGS)

Arizona