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Articles 631 - 660 of 970
Full-Text Articles in Physical Sciences and Mathematics
Groundwater Study Of The Boddington Townsite, Gregory Paul Raper
Groundwater Study Of The Boddington Townsite, Gregory Paul Raper
Resource management technical reports
A study of the groundwater beneath the Boddington townsite was carried out in April 2002. The aim was to assess the salinity risk to the townsite infrastructure and to accelerate the implementation of effective salinity management for the town. The study consisted of field reconnaissance, a drilling program, expansion of a groundwater-monitoring network installed in March 2001, and groundwater monitoring.
Gibson Oil Mallee Study : Drill Completion And Preliminary Hydrogeological Interpretation Report, John Andrew Simons, Peter Taylor, D L. Bennett, Western Australia. Department Of Conservation And Land Management
Gibson Oil Mallee Study : Drill Completion And Preliminary Hydrogeological Interpretation Report, John Andrew Simons, Peter Taylor, D L. Bennett, Western Australia. Department Of Conservation And Land Management
Resource management technical reports
Oil mallees are being planted in Western Australian wheatbelt farms with the expectation that they will reduce land salination by lowering watertables as well as providing income from combinations of eucalyptus oil distillation, power generation, activated carbon production and carbon sequestration in the future.
Silcrete Hardpan In The North-Eastern Wheatbelt : Hydrological Implications For Oil Mallees, D L. Bennett, Russell Speed, Adrian Goodreid, Peter Taylor
Silcrete Hardpan In The North-Eastern Wheatbelt : Hydrological Implications For Oil Mallees, D L. Bennett, Russell Speed, Adrian Goodreid, Peter Taylor
Resource management technical reports
Silcrete is a brittle, intensely indurated rock comprising primarily quartz grains cemented with siliceous allophane. It occurs at 1.5 to 7 metres deep and is often several metres thick and extremely hard, requiring excavation. This Report discusses the extent of silcrete layers in the north-eastern wheatbelt area of Western Australia, the effects of silcrete on water absorption by the soil, and the effects of this physical obstacle on the growth and expansion of oil mallee trees of the region.
Groundwater Quality In Kentucky: Mercury, Bart Davidson, R. Stephen Fisher
Groundwater Quality In Kentucky: Mercury, Bart Davidson, R. Stephen Fisher
Information Circular--KGS
Mercury is a naturally occurring metal that occurs in trace amounts in water, soils, and rocks. Elemental mercury is a liquid that occurs in some ore deposits; it may also be concentrated around hot springs. Currently, about 50 percent of mercury use is for electrical products such as dry-cell batteries, fluorescent lights, switches, and other control equipment. Mercury is also used in the electrolytic preparation of chlorine gas and caustic soda, and in paint manufacture and pesticide production (U.S. Environmental Protection Agency, 2002). In the past, significant amounts of mercury were used in thermometers and pressure gauges.
Groundwater Quality In Kentucky: Selenium, Bart Davidson, R. Stephen Fisher
Groundwater Quality In Kentucky: Selenium, Bart Davidson, R. Stephen Fisher
Information Circular--KGS
Selenium is a naturally occurring element found in most rocks and soils (Agency for Toxic Substances and Disease Registry, 2003). In its solid form, selenium is black, gray, or red and is odorless (New Jersey Department of Health and Senior Services, 2002). Most selenium is obtained from byproducts of the copper refining industry. Selenium compounds are often used in electronic components, photocopiers, metal alloys, rubber, paint pigments, glass-making (ruby red glass), and photographic emulsions (U.S. Environmental Protection Agency, 2003). Selenium exhibits both photovoltaic and photoconductive properties. As more light shines on selenium, its electrical conductivity increases, making it extremely useful …
Generalized Geologic Map For Land-Use Planning: Crittenden County, Kentucky, E. Glynn Beck, David A. Williams, Daniel I. Carey
Generalized Geologic Map For Land-Use Planning: Crittenden County, Kentucky, E. Glynn Beck, David A. Williams, Daniel I. Carey
Map and Chart--KGS
This map is not intended to be used for selecting individual sites. Its purpose is to inform land-use planners, government officials, and the public in a general way about geologic bedrock conditions that affect the selection of sites for various purposes. The properties of thick soils may supercede those of the underlying bedrock and should be considered on a site-to-site basis. At any site, it is important to understand the characteristics of both the soils and the underlying rock.
Generalized Geologic Map For Land-Use Planning: Gallatin County, Kentucky, Richard A. Smath, Bart Davidson, Daniel I. Carey, John D. Kiefer, Ken Daniels
Generalized Geologic Map For Land-Use Planning: Gallatin County, Kentucky, Richard A. Smath, Bart Davidson, Daniel I. Carey, John D. Kiefer, Ken Daniels
Map and Chart--KGS
This map is not intended to be used for selecting individual sites. Its purpose is to inform land-use planners, government officials, and the public in a general way about geologic bedrock conditions that affect the selection of sites for various purposes. The properties of thick soils may supercede those of the underlying bedrock and should be considered on a site-to-site basis. At any site, it is important to understand the characteristics of both the soils and the underlying rock.
Changes In Groundwater Quality In A Conduit-Flow-Dominated Karst Aquifer As A Result Of Best Management Practices, James C. Currens
Changes In Groundwater Quality In A Conduit-Flow-Dominated Karst Aquifer As A Result Of Best Management Practices, James C. Currens
Report of Investigations--KGS
Water quality in the Pleasant Grove Spring karst groundwater basin was monitored to determine the effectiveness of best management practices (BMP’s) implemented through the U.S. Department of Agriculture’s Water Quality Incentive Program (WQIP). The project was divided into three phases. Phase I, beginning in August 1990, was the initial reconnaissance of the hydrogeology and water quality of the basin. Phase II, beginning in October 1993, monitored the water quality for 1 year prior to BMP implementation. This phase was followed by a 1-year interim extension, which continued the monitoring. Phase III monitored the water quality during and following BMP implementation. …
Generalized Geologic Map For Land-Use Planning: Kenton County, Kentucky, Richard A. Smath, Bart Davidson, Daniel I. Carey, John D. Kiefer
Generalized Geologic Map For Land-Use Planning: Kenton County, Kentucky, Richard A. Smath, Bart Davidson, Daniel I. Carey, John D. Kiefer
Map and Chart--KGS
This map is not intended to be used for selecting individual sites. Its purpose is to inform land-use planners, government officials, and the public in a general way about geologic bedrock conditions that affect the selection of sites for various purposes. The properties of thick soils may supercede those of the underlying bedrock and should be considered on a site-to-site basis. At any site, it is important to understand the characteristics of both the soils and the underlying rock.
Groundwater Quality In Kentucky: Cadmium, Bart Davidson, R. Stephen Fisher
Groundwater Quality In Kentucky: Cadmium, Bart Davidson, R. Stephen Fisher
Information Circular--KGS
Cadmium is a metallic element that occurs naturally in the earth's crust, especially in zinc-, lead-, and copper-bearing ores (Forstner and Whittmann, 1981). Pure cadmium is a soft silver-white metal, but is rarely found naturally in its pure form. It is commonly combined with other elements, such as oxygen (cadmium oxide) and sulfur (cadmium sulfate).
Wagin-Woodanilling (Zone 5) : Catchment Appraisal 2005, K Ohlsen, T Schulz, T W. Mathwin, Gina Pemberton, Henry Brockman, J Firth, Mitchell Davies, Heather M. Percy
Wagin-Woodanilling (Zone 5) : Catchment Appraisal 2005, K Ohlsen, T Schulz, T W. Mathwin, Gina Pemberton, Henry Brockman, J Firth, Mitchell Davies, Heather M. Percy
Resource management technical reports
The aim of this report is to assess the current extent of salinity and other natural resource degradation issues and provide landholders with the best current management options to address natural resource management issues and enhance sustainable agricultural production.
Upper Yilgarn Catchment Appraisal 2005, Keith Ohlsen, Susan Murphy-White
Upper Yilgarn Catchment Appraisal 2005, Keith Ohlsen, Susan Murphy-White
Resource management technical reports
Soil degradation on farmland reduces agricultural production and will often lead to damage to natural resources such as remnant vegetation and waterways, as well as to infrastructure, including roads and townsites. This report provides current information on the land degradation status for the Upper Yilgarn Catchment area in Western Australia by outlining: condition of the soils, hydrology, natural vegetation, farming systems and agricultural production and risks to natural resources.
Chemical Analyses In Support Of Yucca Mountain Studies, Jeanette Daniels, Klaus J. Stetzenbach, Drew Coleman, Amy J. Smiecinski, Raymond E. Keeler
Chemical Analyses In Support Of Yucca Mountain Studies, Jeanette Daniels, Klaus J. Stetzenbach, Drew Coleman, Amy J. Smiecinski, Raymond E. Keeler
Publications (YM)
The objective of this task “Chemical Analyses in Support of Yucca Mountain Studies” is to provide the Department of Energy (DOE) with data and reports from comprehensive chemical analyses of waters sampled from the wells of the Nye County Early Warning Drilling Program (NCEWDP), the Inyo County’s Drilling Program, and the Nye county Tracer Test. In addition, this task will be used to provide other laboratory support needs as they arise within the Yucca Mountain Project. This support is provided by the Harry Reid Center for Environmental Studies (HRC) at University of Nevada, Las Vegas (UNLV), which is part of …
Agenda: Introduction To The Legal Foundation Of Federal Land Management, University Of Colorado Boulder. Natural Resources Law Center
Agenda: Introduction To The Legal Foundation Of Federal Land Management, University Of Colorado Boulder. Natural Resources Law Center
Introduction to the Legal Foundation of Federal Land Management (December 1-3)
Materials prepared for the course held at the National Center for Atmospheric Research in Boulder, Colorado on December 1-3, 2004
Course instructors: Charles Wilkinson; Sarah Krakoff; Kathryn Mutz; Ann Morgan; Maggie Fox
Contents:
Introduction -- Agenda -- Summaries of laws -- Case studies. Travel management; Oil and gas development; Timber/fuels reduction -- How to influence agency decision makers -- Natural resource related legal and policy resources for the non-legal professional
Introduction To The Legal Foundation Of Federal Land Management, University Of Colorado Boulder. Natural Resources Law Center
Introduction To The Legal Foundation Of Federal Land Management, University Of Colorado Boulder. Natural Resources Law Center
Introduction to the Legal Foundation of Federal Land Management (December 1-3)
1 v. (various pagings) : ill., maps ; 28 cm
Materials prepared for the course held at the National Center for Atmospheric Research in Boulder, Colorado on December 1-3, 2004
Course instructors: Charles Wilkinson; Sarah Krakoff; Kathryn Mutz; Ann Morgan; Maggie Fox
Contents:
Introduction -- Agenda -- Summaries of laws -- Case studies. Travel management; Oil and gas development; Timber/fuels reduction -- How to influence agency decision makers -- Natural resource related legal and policy resources for the non-legal professional
South East Humps Focus Catchment Report, A Hollick
South East Humps Focus Catchment Report, A Hollick
Resource management technical reports
This report provides a record of the activities carried out by the Lockhart Focus Support Team and the Catchment Group. It covers the results of the investigations and a summary of the group's catchment plan for the South East Humps Catchment east of Hyden in Western Australia. It covers the current best available information on soils, groundwater hydrology, surface water control, alternative crops and pastures, and revegetation options.
Groundwater Flow And Thermal Modeling To Support A Preferred Conceptual Model For The Large Hydraulic Gradient North Of Yucca Mountain, Phil Oberlander, Greg Pohll, Drew Coleman, Raymond E. Keeler, Amy J. Smiecinski
Groundwater Flow And Thermal Modeling To Support A Preferred Conceptual Model For The Large Hydraulic Gradient North Of Yucca Mountain, Phil Oberlander, Greg Pohll, Drew Coleman, Raymond E. Keeler, Amy J. Smiecinski
Publications (YM)
This task will create a two-dimensional, saturated zone, vertical cross-section model of groundwater flow and thermal transport through the large hydraulic gradient (LHG). This model is referenced herein as the thermal model. The scope of this study is limited to presenting a postulated hydrogeologic configuration of the LHG. The conceptualization will include the use of postulated hydrogeologic structures and material properties. The thermal model will be spatially limited to the area immediately upgradient and downgradient of the LHG and will not reproduce the many hydrogeologic features of the existing regional and site-scale models. The thermal model will be orientated north …
South Yarding Focus Catchment Report, A Hollick
South Yarding Focus Catchment Report, A Hollick
Resource management technical reports
This report provides a record of the activities carried out by the South Yarding Focus Support Team and Catchment Group. It covers the results of investigations and summarises the group's catchment plan of South Yarding, Western Australia, based on the best available information on soils, groundwater hydrology, surface water control, alternative crops and pastures and revegetation options.
Wetland Basins For Saline Drainage Water Disposal Bodallin And Elachbutting Catchments, Eastern Wheatbelt, Western Australia, P De Broekert, N Coles
Wetland Basins For Saline Drainage Water Disposal Bodallin And Elachbutting Catchments, Eastern Wheatbelt, Western Australia, P De Broekert, N Coles
Resource management technical reports
This report provides an assessment of two large deep drainage schemes within the lower reaches of the Bodallin and Elachbutting Catchments nearby Merredin in Western Australia, wherein groups of isolated wetland basins have been utilised for evaporative saline drainage water disposal. In both cases, the storage capacity of the basins has been exceeded, leading to flooding and death of the surrounding native vegetation.
Lower Yilgarn Catchment Appraisal 2003, D G. Cummins
Lower Yilgarn Catchment Appraisal 2003, D G. Cummins
Resource management technical reports
This report summarises current information on risks and impacts to agricultural production and natural resources within the Lower Yilgarn Catchment. It also identifies suitable options to manage such risks. The report has been divided into three sections : the natural resource base, the catchment risks and management options and impacts. Rapid Catchment Appraisal aims to document salinity risk and management options by addressing all threats to the natural resource base.
Slides: Coalbed Methane Water Quantity/Quality, Tom Darin
Slides: Coalbed Methane Water Quantity/Quality, Tom Darin
Groundwater in the West (Summer Conference, June 16-18)
Presenter: Tom Darin, Jackson Hole Conservation Alliance.
18 slides.
Slides: An Update On Management Of The Northern Ogallala, Raymond J. Supalla
Slides: An Update On Management Of The Northern Ogallala, Raymond J. Supalla
Groundwater in the West (Summer Conference, June 16-18)
Presenter: Raymond Supalla, Department of Agricultural Economics, University of Nebraska.
37 slides.
Agenda: Groundwater In The West, University Of Colorado Boulder. Natural Resources Law Center
Agenda: Groundwater In The West, University Of Colorado Boulder. Natural Resources Law Center
Groundwater in the West (Summer Conference, June 16-18)
Conference moderators and/or speakers included University of Colorado School of Law professors James N. Corbridge, Jr., Douglas S. Kenney, Jim Martin and Kathryn M. Mutz.
The Colorado Law Natural Resources Law Center celebrated its 25th Annual Summer Conference by exploring one of the most important natural resources of the 21st century: groundwater. Titled "Groundwater in the West," the conference was held June 16-18 at the Fleming Law Building on the University of Colorado at Boulder campus. Participants discussed law, policy, and management of groundwater in the West. "As demands on surface water increase and drought seems more the norm than …
Groundwater Trends In The North Stirling Pallinup Sub-Region, Ruhi Ferdowsian, Lisa Crossing
Groundwater Trends In The North Stirling Pallinup Sub-Region, Ruhi Ferdowsian, Lisa Crossing
Natural resources published reports
The South Coast Regional Initiative Planning Team (SCRIPT) has divided the South Coast region of Western Australia into six sub-regions. This publication describes the groundwater trends, risk of shallow watertables, and technical feasibility of salinity management in the agricultural district of the North Stirling Pallinup sub-region.
This sub-region encompasses the Stirling Range National Park, the North Stirling Basin to the north-east of the Park, and the middle and upper catchments of the Pallinup River. Almost 90% (500,000 ha) of the sub-region's alienated land has been cleared for agriculture, and salinity has been identified as an important issue.
Soil-landscape zones are …
Assessment Of Surface Water Runoff And Groundwater Recharge Using Mathematical Models, Khaled Omar Mohamed Haroon
Assessment Of Surface Water Runoff And Groundwater Recharge Using Mathematical Models, Khaled Omar Mohamed Haroon
Accounting Dissertations
In and semi-arid regions, surface water resources are scarce and, in most cases, groundwater is the onlynatural resource of freshwater. Pumping of groundwater often exceeds natural recharge. Therefore,groundwater level are declining and its quality is deteriorating. Sustainable management of groundwater is thus a key Issue and requires implementation of appropriate technologies to augment ground water resources. Artificial recharge augments the natural movement of surface water into the underground form' illations using some means of construction whereby surface water from streams or lakes is made to infiltrate into the ground.
The UAE is known by its arid conditions and limited …
A Concept Of Maximum Stream Depletion Rate For Leaky Aquifers In Alluvial Valleys, Vitaly A. Zlotnik
A Concept Of Maximum Stream Depletion Rate For Leaky Aquifers In Alluvial Valleys, Vitaly A. Zlotnik
Department of Earth and Atmospheric Sciences: Faculty Publications
Existing analytical models for evaluating stream depletion by wells in alluvial aquifers are based on the assumption that stream depletion supplies 100% of groundwater withdrawals. Analysis of specific hydrostratigraphic conditions in leaky aquifers indicates that stream depletion may range from 0 to 100%. A new concept of maximum stream depletion rate (MSDR) is introduced and defined as a maximum fraction of the pumping rate contributed by the stream depletion. Several new analytical solutions indicate that the MSDR is determined by aquifer hydrostratigraphic conditions, geometry of recharge and discharge zones, and locations of pumping wells.
Groundwater Trends In The Fitzgerald Biosphere Sub-Region, Adam Lillicrap
Groundwater Trends In The Fitzgerald Biosphere Sub-Region, Adam Lillicrap
Natural resources published reports
The South Coast Regional Initiative Planning Team (SCRIPT) has divided the South Coast region into six sub-regions. The Fitzgerald Biosphere sub-region is located in the centre of the South Coast region of Western Australia (Figure 1). It is bounded by the Pallinup River to the east, Jerdacuttup River to the west, and includes the catchments of the Gairdner, Fitzgerald and Phillips Rivers. The sub-region encompasses the Fitzgerald Biosphere Reserve and just over half (730,000 ha) has been cleared for agriculture.
This publication describes the groundwater trends, risk of shallow watertables, and technical feasibility of salinity management in the soil landscape …
Assessment Of Surface Water Runoff And Groundwater Recharge Using Mathematical Models, Khaled Omer Mohamed Haroon
Assessment Of Surface Water Runoff And Groundwater Recharge Using Mathematical Models, Khaled Omer Mohamed Haroon
Theses
In arid and semi-arid regions, surface water resources are scarce and, in most cases, groundwater is the only natural resource of freshwater. Pumping of groundwater often exceeds natural recharge. Therefore, groundwater levels are declining and its quality is deteriorating. Sustainable management of groundwater is thus a key issue and requires implementation of appropriate technologies to augment groundwater resources. Artificial recharge augments the natural movement of surface water into the underground formations using some means of construction whereby surface water from streams or lakes is made to infiltrate into the ground.
The UAE is known by its arid conditions and limited …
Slides: Lessons From The Pinedale Anticline Adaptive Management Process, Peter Aengst
Slides: Lessons From The Pinedale Anticline Adaptive Management Process, Peter Aengst
Best Management Practices and Adaptive Management in Oil and Gas Development (May 12-13)
Presenter: Peter Aengst, Regional Associate, The Wilderness Society, Northern Rockies Office
24 slides
Groundwater Study Of The Narrogin Townsite, Edward K. Crossley
Groundwater Study Of The Narrogin Townsite, Edward K. Crossley
Resource management technical reports
A groundwater study was carried out in the townsite of Narrogin, Western Australia, in April 2002. The study consisted of a drilling program to install a network of groundwater monitoring bores. This report contains background information for the town and its catchment, the climatic, geological and hydrogeological investigations, and conclusions on the town's salinity risk and recommendations for improved water management.