Pages that link to "Item:Q44897"

The following pages link to John Karl Bohlke, PhD (Q44897):

Displayed 50 items.

• DGMETA (version 1)—Dissolved gas modeling and environmental tracer analysis computer program (Q56320) ‎ (← links)
• Brackish groundwater in the United States (Q58233) ‎ (← links)
• Spatial and temporal variation of stream chemistry associated with contrasting geology and land-use patterns in the Chesapeake Bay watershed—Summary of results from Smith Creek, Virginia; Upper Chester River, Maryland; Conewago Creek, Pennsylvania; a (Q58443) ‎ (← links)
• TracerLPM (Version 1): An Excel® workbook for interpreting groundwater age distributions from environmental tracer data (Q61992) ‎ (← links)
• Determination of the delta(15N/14N)of Ammonium (NH4+) in Water: RSIL Lab Code 2898 (Q66097) ‎ (← links)
• Vertical gradients in water chemistry and age in the Northern High Plains Aquifer, Nebraska, 2003 (Q67078) ‎ (← links)
• Vertical gradients in water chemistry and age in the southern High Plains Aquifer, Texas, 2002 (Q70136) ‎ (← links)
• Isotope geochemistry and chronology of offshore ground water beneath Indian River Bay, Delaware (Q70843) ‎ (← links)
• Residence times and nitrate transport in ground water discharging to streams in the Chesapeake Bay Watershed (Q71085) ‎ (← links)
• Use of environmental tracers and isotopes to evaluate sources of water, nitrate, and uranium in an irrigated alluvial valley, Nebraska (Q72449) ‎ (← links)
• Interaction of surface water and ground water in the Dutch Flats area, western Nebraska, 1995-99 (Q73064) ‎ (← links)
• Selected field and analytical methods and analytical results in the Dutch Flats area, western Nebraska, 1995-99 (Q73598) ‎ (← links)
• Monthly variability and possible sources of nitrate in ground water beneath mixed agricultural land use, Suwannee and Lafayette Counties, Florida (Q74397) ‎ (← links)
• Chemical and isotopic composition of water from springs, wells, and streams in parts of Shenandoah National Park, Virginia, and vicinity, 1995-1999 (Q74574) ‎ (← links)
• Sources and chronology of nitrate contamination in spring waters, Suwannee River basin, Florida (Q75546) ‎ (← links)
• Preliminary estimates of residence times and apparent ages of ground water in the Chesapeake Bay watershed, and water-quality data from a survey of springs (Q77257) ‎ (← links)
• Chemical and stable-isotope data from an experiment to examine temporal variability in water samples from screened wells on Cape Cod, Massachusetts, 1994 (Q80853) ‎ (← links)
• Chemical, isotopic, and microbiological evidence for denitrification during transport of domestic wastewater through a thick unsaturated zone in the Mojave Desert, San Bernardino County, California (Q85033) ‎ (← links)
• Stable isotope investigation of gold quartz veins at the Oriental mine, Alleghany District, California (Q91517) ‎ (← links)
• Spectroscopic geochemical study of vanadiferous marine sediments of the Gibellini claims, southern Fish Creek Range, Eureka County, Nevada (Q103550) ‎ (← links)
• Groundwater origin and dating studies in Szigetkoz (Q143669) ‎ (← links)
• Isotope hydrology studies in the Szigetköz region, northwest Hungary (Q143671) ‎ (← links)
• Measurement of the oxygen isotopic composition of nitrate in seawater and freshwater using the denitrifier method (Q143806) ‎ (← links)
• Erratum: Groundwater recharge and agricultural contamination (Q143875) ‎ (← links)
• Determination of the total oxygen isotopic composition of nitrate and the calibration of a Δ17Ο nitrate reference material (Q143878) ‎ (← links)
• Measuring groundwater recharge and discharge using environmental tracers (Q144014) ‎ (← links)
• Using spring-water chemistry to assess groundwater contamination and ages of shallow and deep ground water flow systems (Q144023) ‎ (← links)
• Hydrogeologic framework, ground-water geochemistry, and assessment of nitrogen yield from base flow in two agricultural watersheds, Kent County, Maryland (Q144029) ‎ (← links)
• Use of isotopes, age-dating, and numerical simulation to evaluate source histories and transport of NO3- to public supply wells in principal aquifers of the United States (Q144276) ‎ (← links)
• Ground water beneath coastal bays of the Delmarva Peninsula: Ages and nutrients (Q144497) ‎ (← links)
• Mother Lode gold (Q144545) ‎ (← links)
• Denitrification in marine shales in northeastern Colorado (Q144804) ‎ (← links)
• Validation of stable isotope ratio analysis to document the biodegradation and natural attenuation of RDX, ESTCP Project ER-201208 (Q145007) ‎ (← links)
• Determination of vadose zone and saturated zone nitrate lag times using long-term groundwater monitoring data and statistical machine learning (Q146352) ‎ (← links)
• Nitrogen saturation in the Rocky Mountains: Linking emissions, deposition, and ecosystem effects using stable isotopes of nitrogen compounds (Q146894) ‎ (← links)
• Oxygen isotopes in nitrite: Analysis, calibration, and equilibration (Q146954) ‎ (← links)
• Isotopic analysis of N and O in nitrite and nitrate by sequential selective bacterial reduction to N2O (Q146986) ‎ (← links)
• The oxygen-18 isotope approach for measuring aquatic metabolism in high-productivity waters (Q146997) ‎ (← links)
• Oxygen and chlorine isotopic fractionation during perchlorate biodegradation: Laboratory results and implications for forensics and natural attenuation studies (Q147057) ‎ (← links)
• Effects of mother lode-type gold mineralization on 187Os/188Os and platinum group element concentrations in peridotite: Alleghany District, California (Q147100) ‎ (← links)
• Aquifer-scale controls on the distribution of nitrate and ammonium in ground water near La Pine, Oregon, USA (Q147123) ‎ (← links)
• Heterogeneous redox conditions, arsenic mobility, and groundwater flow in a fractured-rock aquifer near a waste repository site in New Hampshire, USA (Q147630) ‎ (← links)
• Groundwater movement, recharge, and perchlorate occurrence in a faulted alluvial aquifer in California (USA) (Q147934) ‎ (← links)
• Long term atmospheric deposition as the source of nitrate and other salts in the Atacama Desert, Chile: New evidence from mass-independent oxygen isotopic compositions (Q148345) ‎ (← links)
• Natural chlorate in the environment: Application of a new IC-ESI/MS/MS method with a Cl18O3- internal standard (Q148711) ‎ (← links)
• Fractionation of stable isotopes in perchlorate and nitrate during in situ biodegradation in a sandy aquifer (Q149026) ‎ (← links)
• Multi-scale measurements and modeling of denitrification in streams with varying flow and nitrate concentration in the upper Mississippi River basin, USA (Q149030) ‎ (← links)
• A simple technique for continuous measurement of time-variable gas transfer in surface waters (Q149036) ‎ (← links)
• Assessing the seasonal dynamics of nitrate and sulfate aerosols at the South Pole utilizing stable isotopes (Q149464) ‎ (← links)
• Seasonal and spatial variation in the location and reactivity of a nitrate-contaminated groundwater discharge zone in a lakebed (Q149549) ‎ (← links)