Joseph A Hevesi
Joseph A Hevesi - California Water Science Center
Science and Products
Filter Total Items: 21
Preliminary estimates of spatially distributed net infiltration and recharge for the Death Valley region, Nevada-California
A three-dimensional ground-water flow model has been developed to evaluate the Death Valley regional flow system, which includes ground water beneath the Nevada Test Site. Estimates of spatially distributed net infiltration and recharge are needed to define upper boundary conditions. This study presents a preliminary application of a conceptual and numerical model of net infiltration. The model wa
Authors
J.A. Hevesi, A. L. Flint, L. E. Flint
Geostatistical Model for Estimating Precipitation and Recharge in the Yucca Mountain Region, Nevada - California
No abstract available.
Authors
J.A. Hevesi, A. L. Flint
A new method for automated dynamic calibration of tipping-bucket rain gauges
Existing methods for dynamic calibration of tipping-bucket rain gauges (TBRs) can be time consuming and labor intensive. A new automated dynamic calibration system has been developed to calibrate TBRs with minimal effort. The system consists of a programmable pump, datalogger, digital balance, and computer. Calibration is performed in two steps: 1) pump calibration and 2) rain gauge calibration. P
Authors
M.D. Humphrey, J.D. Istok, J.Y. Lee, J.A. Hevesi, A. L. Flint
Precipitation data for water years 1992 and 1993 from a network of nonrecording gages at Yucca Mountain, Nevada
No abstract available.
Authors
D.S. Ambos, A. L. Flint, J.A. Hevesi
The influence of long term climate change on net titration at Yucca Mountain, Nevada
No abstract available
Authors
A. L. Flint, L. E. Flint, J.A. Hevesi
Influence of seasonal climatic variability on shallow infiltration at Yucca Mountain
To analyze infiltration and the redistribution of moisture in alluvial deposits at Yucca Mountain, water content profiles at a 13.5 m deep borehole were measured at monthly intervals using a neutron moisture probe. Increases in water content to a maximum depth of 1.8 m in response to winter season precipitation were noted. Below a depth of 1.8 m, a gradual drying trend was indicated. A simulation
Authors
Joseph A. Hevesi, Alan L. Flint
Influence of long term climate change on net infiltration at Yucca Mountain, Nevada
Net infiltration and recharge at Yucca Mountain, Nevada, a potential site for a high level nuclear waste repository, are determined both by the rock properties and past and future changes in climate. A 1-dimensional model was constructed to represent a borehole being drilled through the unsaturated zone. The rock properties were matched to the lithologies expected to be encountered in the borehole
Authors
Alan I. Flint, Lorraine E. Flint, Joseph A. Hevesi
Precipitation estimation in mountainous terrain using multivariate geostatistics. Part I: structural analysis
Values of average annual precipitation (AAP) are desired for hydrologic studies within a watershed containing Yucca Mountain, Nevada, a potential site for a high-level nuclear-waste repository. Reliable values of AAP are not yet available for most areas within this watershed because of a sparsity of precipitation measurements and the need to obtain measurements over a sufficient length of time. To
Authors
Joseph A. Hevesi, Jonathan D. Istok, Alan L. Flint
Precipitation estimation in mountainous terrain using multivariate geostatistics. Part II: isohyetal maps
Values of average annual precipitation (AAP) may be important for hydrologic characterization of a potential high-level nuclear-waste repository site at Yucca Mountain, Nevada. Reliable measurements of AAP are sparse in the vicinity of Yucca Mountain, and estimates of AAP were needed for an isohyetal mapping over a 2600-square-mile watershed containing Yucca Mountain. Estimates were obtained with
Authors
Joseph A. Hevesi, Alan L. Flint, Jonathan D. Istok
Science and Products
Filter Total Items: 21
Preliminary estimates of spatially distributed net infiltration and recharge for the Death Valley region, Nevada-California
A three-dimensional ground-water flow model has been developed to evaluate the Death Valley regional flow system, which includes ground water beneath the Nevada Test Site. Estimates of spatially distributed net infiltration and recharge are needed to define upper boundary conditions. This study presents a preliminary application of a conceptual and numerical model of net infiltration. The model wa
Authors
J.A. Hevesi, A. L. Flint, L. E. Flint
Geostatistical Model for Estimating Precipitation and Recharge in the Yucca Mountain Region, Nevada - California
No abstract available.
Authors
J.A. Hevesi, A. L. Flint
A new method for automated dynamic calibration of tipping-bucket rain gauges
Existing methods for dynamic calibration of tipping-bucket rain gauges (TBRs) can be time consuming and labor intensive. A new automated dynamic calibration system has been developed to calibrate TBRs with minimal effort. The system consists of a programmable pump, datalogger, digital balance, and computer. Calibration is performed in two steps: 1) pump calibration and 2) rain gauge calibration. P
Authors
M.D. Humphrey, J.D. Istok, J.Y. Lee, J.A. Hevesi, A. L. Flint
Precipitation data for water years 1992 and 1993 from a network of nonrecording gages at Yucca Mountain, Nevada
No abstract available.
Authors
D.S. Ambos, A. L. Flint, J.A. Hevesi
The influence of long term climate change on net titration at Yucca Mountain, Nevada
No abstract available
Authors
A. L. Flint, L. E. Flint, J.A. Hevesi
Influence of seasonal climatic variability on shallow infiltration at Yucca Mountain
To analyze infiltration and the redistribution of moisture in alluvial deposits at Yucca Mountain, water content profiles at a 13.5 m deep borehole were measured at monthly intervals using a neutron moisture probe. Increases in water content to a maximum depth of 1.8 m in response to winter season precipitation were noted. Below a depth of 1.8 m, a gradual drying trend was indicated. A simulation
Authors
Joseph A. Hevesi, Alan L. Flint
Influence of long term climate change on net infiltration at Yucca Mountain, Nevada
Net infiltration and recharge at Yucca Mountain, Nevada, a potential site for a high level nuclear waste repository, are determined both by the rock properties and past and future changes in climate. A 1-dimensional model was constructed to represent a borehole being drilled through the unsaturated zone. The rock properties were matched to the lithologies expected to be encountered in the borehole
Authors
Alan I. Flint, Lorraine E. Flint, Joseph A. Hevesi
Precipitation estimation in mountainous terrain using multivariate geostatistics. Part I: structural analysis
Values of average annual precipitation (AAP) are desired for hydrologic studies within a watershed containing Yucca Mountain, Nevada, a potential site for a high-level nuclear-waste repository. Reliable values of AAP are not yet available for most areas within this watershed because of a sparsity of precipitation measurements and the need to obtain measurements over a sufficient length of time. To
Authors
Joseph A. Hevesi, Jonathan D. Istok, Alan L. Flint
Precipitation estimation in mountainous terrain using multivariate geostatistics. Part II: isohyetal maps
Values of average annual precipitation (AAP) may be important for hydrologic characterization of a potential high-level nuclear-waste repository site at Yucca Mountain, Nevada. Reliable measurements of AAP are sparse in the vicinity of Yucca Mountain, and estimates of AAP were needed for an isohyetal mapping over a 2600-square-mile watershed containing Yucca Mountain. Estimates were obtained with
Authors
Joseph A. Hevesi, Alan L. Flint, Jonathan D. Istok