Michael T Land
Michael Land is a Hydrologist at the California Water Science Center.
Science and Products
Filter Total Items: 31
Geohydrology, Geochemistry, and Ground-Water Simulation-Optimization of the Central and West Coast Basins, Los Angeles County, California
Historical ground-water development of the Central and West Coast Basins in Los Angeles County, California through the first half of the 20th century caused large water-level declines and induced seawater intrusion. Because of this, the basins were adjudicated and numerous ground-water management activities were implemented, including increased water spreading, construction of injection barriers,
Authors
Eric G. Reichard, Michael Land, Steven M. Crawford, Tyler D. Johnson, Rhett R. Everett, Trayle V. Kulshan, Daniel J. Ponti, Keith L. Halford, Theodore A. Johnson, Katherine S. Paybins, Tracy Nishikawa
Geologic, hydrologic, and water-quality data from multiple-well monitoring sites in the Central and West Coast basins, Los Angeles County, California, 1995-2000
In 1995, the U.S. Geological Survey (USGS), in cooperation with the Water Replenishment District of Southern California (WRDSC), began a study to examine ground-water resources in the Central and West Coast Basins in Los Angeles County, California. The study characterizes the geohydrology and geochemistry of the regional ground-water flow system and provides extensive data for evaluating ground-wa
Authors
Michael Land, R.R. Everett, S.M. Crawford
Low-Level Volatile Organic Compounds in Active Public Supply Wells as Ground-Water Tracers in the Los Angeles Physiographic Basin, California, 2000
Data were collected to evaluate the use of low-level volatile organic compounds (VOC) to assess the vulnerability of public supply wells in the Los Angeles physiographic basin. Samples of untreated ground water from 178 active public supply wells in the Los Angeles physiographic basin show that VOCs were detected in 61 percent of the ground-water samples; most of these detections were low, with on
Authors
Jennifer L. Shelton, Karen R. Burow, Kenneth Belitz, Neil M. Dubrovsky, Michael Land, JoAnn Gronberg
Data from a thick unsaturated zone underlying Oro Grande and Sheep Creek washes in the western part of the Mojave Desert, near Victorville, San Bernardino County, California
This report presents data on the physical properties of unsaturated alluvial deposits and on the chemical and isotopic composition of soil water and soil gas collected at 12 monitoring sites in the western part of the Mojave Desert, near Victorville, California. Sites were installed using the ODEX air-hammer method. Seven sites were located in the active channels of Oro Grande and Sheep Creek Wash
Authors
John A. Izbicki, Dennis A. Clark, Maria I. Pimental, Michael Land, John C. Radyk, Robert L. Michel
Evaluation of surface-water/ground-water interactions in the Santa Clara River Valley, Ventura County, California
The interactions of surface water and ground water along the Santa Clara River in Ventura County, California, were evaluated by analyzing river-discharge and water-quality data and geohydrologic information collected by the U.S. Geological Survey between 1993 and 1995 for the Piru, Fillmore, and Santa Paula subbasins. Measurements of discharge and water quality were made at multiple locations alon
Authors
Eric George Reichard, Steven M. Crawford, Katherine S. Paybins, Peter Martin, Michael Land, Tracy Nishikawa
Management of groundwater supply and water quality in the Los Angeles Basin, California
Water use and water needs in the coastal Los Angeles Basin in California have been very closely tied to the development of the region during the last 150 years. The first water wells were drilled in the mid-1800s. Currently about 40% of the water supply (9.4 m3 s-1) in the region is provided by groundwater. Other sources of water supply include reclaimed water and surface water imported from Owens
Authors
E.G. Reichard, S.M. Crawford, M.T. Land, K.S. Paybins
Geohydrology, water quality, and nitrogen geochemistry in the saturated and unsaturated zones beneath various land uses, Riverside and San Bernardino counties, California, 1991-93
The U.S. Geological Survey, in cooperation with the Eastern Municipal Water District, the Metropolitan Water District of Southern California, and the Orange County Water District, has completed a detailed study of the Hemet groundwater basin. The quantity of ground water stored in the basin in August 1992 is estimated to be 327,000 acre-feet. Dissolved-solids concentration ranged from 380 to 700 m
Authors
Terry F. Rees, Daniel J. Bright, Ronald G. Fay, Allen H. Christensen, Robert Anders, Brian S. Baharie, Michael T. Land
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Filter Total Items: 31
Geohydrology, Geochemistry, and Ground-Water Simulation-Optimization of the Central and West Coast Basins, Los Angeles County, California
Historical ground-water development of the Central and West Coast Basins in Los Angeles County, California through the first half of the 20th century caused large water-level declines and induced seawater intrusion. Because of this, the basins were adjudicated and numerous ground-water management activities were implemented, including increased water spreading, construction of injection barriers,AuthorsEric G. Reichard, Michael Land, Steven M. Crawford, Tyler D. Johnson, Rhett R. Everett, Trayle V. Kulshan, Daniel J. Ponti, Keith L. Halford, Theodore A. Johnson, Katherine S. Paybins, Tracy NishikawaGeologic, hydrologic, and water-quality data from multiple-well monitoring sites in the Central and West Coast basins, Los Angeles County, California, 1995-2000
In 1995, the U.S. Geological Survey (USGS), in cooperation with the Water Replenishment District of Southern California (WRDSC), began a study to examine ground-water resources in the Central and West Coast Basins in Los Angeles County, California. The study characterizes the geohydrology and geochemistry of the regional ground-water flow system and provides extensive data for evaluating ground-waAuthorsMichael Land, R.R. Everett, S.M. CrawfordLow-Level Volatile Organic Compounds in Active Public Supply Wells as Ground-Water Tracers in the Los Angeles Physiographic Basin, California, 2000
Data were collected to evaluate the use of low-level volatile organic compounds (VOC) to assess the vulnerability of public supply wells in the Los Angeles physiographic basin. Samples of untreated ground water from 178 active public supply wells in the Los Angeles physiographic basin show that VOCs were detected in 61 percent of the ground-water samples; most of these detections were low, with onAuthorsJennifer L. Shelton, Karen R. Burow, Kenneth Belitz, Neil M. Dubrovsky, Michael Land, JoAnn GronbergData from a thick unsaturated zone underlying Oro Grande and Sheep Creek washes in the western part of the Mojave Desert, near Victorville, San Bernardino County, California
This report presents data on the physical properties of unsaturated alluvial deposits and on the chemical and isotopic composition of soil water and soil gas collected at 12 monitoring sites in the western part of the Mojave Desert, near Victorville, California. Sites were installed using the ODEX air-hammer method. Seven sites were located in the active channels of Oro Grande and Sheep Creek WashAuthorsJohn A. Izbicki, Dennis A. Clark, Maria I. Pimental, Michael Land, John C. Radyk, Robert L. MichelEvaluation of surface-water/ground-water interactions in the Santa Clara River Valley, Ventura County, California
The interactions of surface water and ground water along the Santa Clara River in Ventura County, California, were evaluated by analyzing river-discharge and water-quality data and geohydrologic information collected by the U.S. Geological Survey between 1993 and 1995 for the Piru, Fillmore, and Santa Paula subbasins. Measurements of discharge and water quality were made at multiple locations alonAuthorsEric George Reichard, Steven M. Crawford, Katherine S. Paybins, Peter Martin, Michael Land, Tracy NishikawaManagement of groundwater supply and water quality in the Los Angeles Basin, California
Water use and water needs in the coastal Los Angeles Basin in California have been very closely tied to the development of the region during the last 150 years. The first water wells were drilled in the mid-1800s. Currently about 40% of the water supply (9.4 m3 s-1) in the region is provided by groundwater. Other sources of water supply include reclaimed water and surface water imported from OwensAuthorsE.G. Reichard, S.M. Crawford, M.T. Land, K.S. PaybinsGeohydrology, water quality, and nitrogen geochemistry in the saturated and unsaturated zones beneath various land uses, Riverside and San Bernardino counties, California, 1991-93
The U.S. Geological Survey, in cooperation with the Eastern Municipal Water District, the Metropolitan Water District of Southern California, and the Orange County Water District, has completed a detailed study of the Hemet groundwater basin. The quantity of ground water stored in the basin in August 1992 is estimated to be 327,000 acre-feet. Dissolved-solids concentration ranged from 380 to 700 mAuthorsTerry F. Rees, Daniel J. Bright, Ronald G. Fay, Allen H. Christensen, Robert Anders, Brian S. Baharie, Michael T. Land