Carbon dating groundwater


Groundwater Age Dating & Recharge



Radiocarbon Dating of Groundwater Systems

Study Explores Groundwater and Geothermal Energy in Drought-Stricken Eastern Oregon and Neighboring States. USGS Issues Revised Framework for Groundwaer of Floridan Aquifer. High Plains Aquifer Groundwater Levels Continue to Decline. Regional Groundwater Availability Study Geospatial Data. USGS Assesses Current Groundwater-Quality Conditions in the Williston Basin Oil Production Area. GWRP supports applied research into the use of groundwater age information to improve our understanding of recharge in Principal Aquifers.

Groundwater recharge is often difficult to quantify because of its spatial and temporal variability and because of the challenges of measuring it datingg. However, recharge estimates are an important component of water budgets developed to accurately assess groundwater availability. GWRP supports efforts to evaluate the use of groundwater age data to improve our overall understanding of recharge grounndwater thereby improve groundwater availability studies through the following activities:.

This project will focus carbon dating groundwater synthesis of existing data and collection of new data cadbon two general categories of recharge:. Groundwater samples will be collected and analyzed to fill important data gaps in existing groundwater availability studies and to demonstrate age-dating techniques that could be used in future studies carbon dating groundwater understand recharge conditions. Hydrogeology Journal, DOI For more information about this project, contact: McMahonResearch Hydrologist carbon dating groundwater USGS Home Water Climate and Land Use Change Core Science Systems Ecosystems Energy and Minerals Environmental Health Natural Hazards.

Accessibility FOIA Privacy Policies and Notices. Department of the Interior U. Contact the Groundwater Resources Program Page Last Modified: USGS Home Contact USGS Search USGS. Accessibility FOIA Privacy Policies and Notices U. Study Explores Groundwater datkng Geothermal Energy in Drought-Stricken Carbon dating groundwater Oregon and Neighboring States Technical Announcement: USGS Issues Revised Framework for Hydrogeology of Groundwatee Aquifer Press Release: High Plains Aquifer Groundwater Levels Continue to Grounrwater Regional Groundwater Availability Study Geospatial Data Press Release: USGS Assesses Current Groundwater-Quality Conditions in the Williston Basin Oil Production Area Past listings USGS Groundwater Watch USGS maintains a network of active wells to provide basic statistics about groundwater levels.

GWRP supports efforts to evaluate the use of groundwater age data to improve our overall understanding of recharge and thereby improve groundwater availability studies through the following activities: Use of groundwater ages to define timescales for recharge processes that could be used as an indicator of aquifer sustainability. Use of groundwater ages to develop recharge estimates to daying other recharge estimation methods.

Characterization of carboh conditions associated with age distributions may provide a baseline for understanding how recharge might change in response to gtoundwater climate scenarios. Through this work, the USGS will: This project began in early and will run through late Synthesis of Existing Data Existing age data will be used to develop a hierarchical classification scheme for defining the malawi dating ladies of recharge in the Principal Aquifers of the United States.

Recharge estimates will be made using applicable groundwater age distributions and simple lumped-parameter models where appropriate. Climatic conditions will be characterized for time periods grounwater by the age distributions. An attempt will be made to characterize recharge and climate for a range of hydrologic and climatic conditions. Collection of New Data Groundwater samples will be collected and analyzed to fill important data gaps in existing groundwater availability studies and to demonstrate age-dating techniques that could be used in future studies to understand recharge conditions.

Tracers of modern recharge: Groundwater samples will be analyzed for 14 C of dissolved inorganic carbon. Publication s McMahon, P.


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