Hydrogeologic data from a 2,000-foot deep core hole at Polk City, Green Swamp area, central Florida
A. S. Navoy
1986, Water-Resources Investigations Report 84-4257
Two core holes were drilled to depths of 906 and 1,996 feet, respectively, within the Tertiary limestone (Floridan) aquifers, at Polk City, central Florida. Data from the two holes revealed that the bottom of the zone of vigorous groundwater circulation is confined by carbonate rocks at a depth of about...
Investigation of the need for discharge adjustments for unsteady flow at selected gaging stations on streams in Tennessee
B.L. Neely, R.H. Bingham
1986, Water-Resources Investigations Report 84-4144
Measured discharges made during rising or falling stages generally require adjustments to refine constant-stage rating curves (stage-discharge relations) for gaged sites. Measurements at 42 gaging stations on Tennessee streams were selected for adjustment. Two methods, generally accepted by the U.S. Geological Survey, were tested: (1) the slope method adjusts the...
Cost effectiveness of the US Geological Survey's stream-gaging program in New York
S.W. Wolcott, W.B. Gannon, W. H. Johnston
1986, Water-Resources Investigations Report 85-4328
The U.S. Geological Survey conducted a 5-year nationwide analysis to define and document the most cost effective means of obtaining streamflow data. This report describes the stream gaging network in New York and documents the cost effectiveness of its operation; it also identifies data uses and funding sources for the...
History of ground-water pumpage and water-level decline in the Black Creek and upper Cape Fear aquifers of the central coastal plain of North Carolina
M.D. Winner, W.L. Lyke
1986, Water-Resources Investigations Report 86-4168
Historical ground-water withdrawals and a general water-level decline in the Black Creek and upper Cape Fear aquifers of the central Coastal Plain of North Carolina are documented. Total municipal and industrial pumpage from these aquifers has increased from approximately 120,000 gal/day (gpd) in 1910 to >21 million gpd in 1980....
Effect of bank protection measures, Stehekin River, Chelan County, Washington
L. M. Nelson
1986, Water-Resources Investigations Report 85-4316
An investigation of the lower Stehekin River was conducted to study the effects on flood elevations and velocities from four bank protection and flood prevention measures that are being contemplated as a means of reducing erosional losses of river bank property. These measures are: bank armoring, armored revetment levees, spur...
An alternative basin characteristic for use in estimating impervious area in urban Missouri basins
R. E. Southard
1986, Water-Resources Investigations Report 86-4362
A previous regression analysis of flood peaks on urban basins in St. Louis County, Missouri, indicated that the basin characteristics of percentage of impervious area and drainage area were statistically significant for estimating the 2-, 5-, 10-, 25-, 50-. and 100-yr peak discharges at ungaged urban basins. In this statewide...
Shallow ground-water resources in the Grand Strand of South Carolina
G. K. Speiran, W.F. Lichtler
1986, Water-Resources Investigations Report 86-4099
The shallow aquifers that underlie the Grand Strand of South Carolina average approximately 60 to 400 ft thick and have variable productivity with some wells producing little water and others producing several hundred gal/min. These aquifers are separated from the underlying Black Creek aquifer by a 200 ft to 300...
Sediment accumulation in San Leandro Bay, Alameda County, California, during the 20th century -- A preliminary report
K.M. Nolan, C. C. Fuller
1986, Water-Resources Investigations Report 86-4057
Major changes made in the configuration of San Leandro Bay, Alameda County, California, during the 20th century have caused rapid sedimentation within parts of the Bay. Opening of the Oakland tidal channel and removal of 97% of the marshlands formerly surrounding the Bay have decreased tidal velocities and volumes. Marshland...
Application of the precipitation-runoff modeling system to small basins in the Parachute Creek basin, Colorado
J. M. Norris
1986, Water-Resources Investigations Report 86-4115
The U.S. Geological Survey 's Precipitation-Runoff Modeling System was calibrated and verified for two small basins in western Colorado. Average monthly mean, average monthly maximum, average annual total, and average daily mean observed and model predicted streamflow differences were small, on the average < 10 %, indicating the Precipitation-Runoff Modeling...
Geohydrology of the southwest alluvial basins regional aquifer- systems analysis, parts of Colorado, New Mexico, and Texas
D. W. Wilkins
1986, Water-Resources Investigations Report 84-4224
The Southwest Alluvial Basins study is part of the National Regional Aquifer-Systems Analysis program. Twenty-two structural basins extend from the San Luis Basin in southern Colorado to the Presidio Basin in western Texas. Closed surface-water basins west of the Guadalupe Mountains and east of the Peloncillo Mountains are included in...
Hydrologic and climatologic factors affecting water levels of Devils Lake, North Dakota
Gregg J. Wiche
1986, Water-Resources Investigations Report 86-4320
High water levels of Devils Lake, North Dakota, and other terminal lakes, have, in recent years, threatened highways, agricultural land, recreational cabins, and communities located near these lakes. This study was undertaken to describe the hydrology of the Devils Lake basin and to determine how to estimate future water level...
Techniques for simulating flood hydrographs and estimating flood volumes for ungaged basins in central Tennessee
C. H. Robbins
1986, Water-Resources Investigations Report 86-4192
A dimensionless hydrograph developed for a variety of basin conditions in Georgia was tested for its applicability to central Tennessee streams by comparing it to a similar dimensionless hydrograph developed for central Tennessee streams. Statistical analyses were performed by comparing simulated (or computed) hydrographs, derived by application of the Georgia-study...
Evaluation of six methods for estimating magnitude and frequency of peak discharges on urban streams in New York
D.A. Stedfast
1986, Water-Resources Investigations Report 84-4350
Six methods of estimating peak discharges of urban streams were compared and evaluated for applicability to urban streams in New York. Discharge and frequency values developed from a series of synthesized annual flood records were compared with values obtained from the six methods. The synthesized flood records were computed from...
Reaeration coefficients of six streams in New York; a comparison of results obtained by a hydrocarbon-gas tracer method with those obtained by radioactive tracers and predictive equations
D.A. Stedfast, R. E. Draper
1986, Water-Resources Investigations Report 85-4028
Stream-reaeration measurements were made in selected reaches on six streams in New York State from 1978 to 1981 with hydrocarbon-gas and dye tracers. The sites were Canadaigua Outlet near Canadaigua, Oswego River at Fulton, Hudson River at Fort Miller, Cayadutta Creek near Johnstown, Chenango River near Morrisville, and Payne Brook...
Estimate of livestock water use in Nebraska during 1980
E.K. Steele
1986, Water-Resources Investigations Report 86-4031
The estimated volume of 148,120 acre-ft of water used by livestock in Nebraska during 1980 is the second largest (after Texas) volume used for livestock production in the fifty Sates. Although water used by livestock is a small percentage of the total water used in Nebraska, this use has a...
Flood-depth frequency relations for streams in Alabama
D.A. Olin
1986, Water-Resources Investigations Report 85-4296
Equations were defined for estimating the depth of water for floods having recurrence intervals of 2, 5, 10, 25, 50, 100, and 200 years on rural and urban streams in Alabama. Multiple regression analyses were made using the ' maximum RSQUARE improvement ' procedures. The dependent variable was the flood...
Cluster analysis of phytoplankton data collected from the National Stream Quality Accounting Network in the Tennessee River basin, 1974-81
D. W. Stephens, J. B. Wangsgard
1986, Water-Resources Investigations Report 86-4029
A computer program, Numerical Taxonomy System of Multivariate Statistical Programs (NTSYS), was used with interfacing software to perform cluster analyses of phytoplankton data stored in the biological files of the U.S. Geological Survey. The NTSYS software performs various types of statistical analyses and is capable of handling a large matrix...
Analysis of fixed-station water-quality data in the Umpqua River basin, Oregon
J. F. Rinella
1986, Water-Resources Investigations Report 85-4253
An appraisal of surface water quality in the Umpqua River basin was made using existing monthly data collected by the Oregon Department of Environmental Quality and the U.S. Geological Survey in cooperation with the Douglas County Water Resources Survey. This appraisal was limited to interpretation of instantaneous monthly water quality...
Areal and temporal variations in the quality of surface water in hydrologic accounting unit 120301, Upper Trinity River basin, Texas
Frank C. Wells, Jack Rawson, Wanda J. Shelby
1986, Water-Resources Investigations Report 85-4318
Hydrologic Accounting Unit 120301 is located in north-central Texas and includes that part of the Trinity River basin upstream from the National Stream Quality Accounting Network station 08062700, Trinity River at Trinidad, Texas. Normal annual precipitation ranges from about 28 inches in the western part of the basin to almost...
Plan of study for the regional aquifer-system analysis of the San Juan structural basin, New Mexico, Colorado, Arizona, and Utah
G. E. Welder
1986, Water-Resources Investigations Report 85-4294
The San Juan structural basin is an 18,000 sq mi area that contains several extensive aquifers. The basin includes three surface drainage basins and parts of New Mexico, Colorado, Arizona, and Utah. Surface water in the area is fully appropriated, and the steadily increasing demand for groundwater has resulted in...
Computer programs for computing particle-size statistics of fluvial sediments
H.H. Stevens, D. W. Hubbell
1986, Water-Resources Investigations Report 86-4141
Two versions of computer programs for inputing data and computing particle-size statistics of fluvial sediments are presented. The FORTRAN 77 language versions are for use on the Prime computer, and the BASIC language versions are for use on microcomputers. The size-statistics program compute Inman, Trask , and Folk statistical parameters...
Cost-effectiveness of the U.S. Geological Survey stream-gaging program in Indiana
J. A. Stewart, R. L. Miller, G.K. Butch
1986, Water-Resources Investigations Report 85-4343
Analysis of the stream gaging program in Indiana was divided into three phases. The first phase involved collecting information concerning the data need and the funding source for each of the 173 surface water stations in Indiana. The second phase used alternate methods to produce streamflow records at selected sites....
Technique for predicting ground-water discharge to surface coal mines and resulting changes in head
L.S. Weiss, D. L. Galloway, Audrey L. Ishii
1986, Water-Resources Investigations Report 86-4156
Changes in seepage flux and head (groundwater level) from groundwater drainage into a surface coal mine can be predicted by a technique that considers drainage from the unsaturated zone. The user applies site-specific data to precalculated head and seepage-flux profiles. Groundwater flow through hypothetical aquifer cross sections was simulated using...
Methods for estimating magnitude and frequency of floods in Montana based on data through 1983
R. J. Omang, Charles Parrett, J. A. Hull
1986, Water-Resources Investigations Report 86-4027
Equations are presented for estimating flood magnitudes for ungaged sites in Montana based on data through 1983. The State was divided into eight regions based on hydrologic conditions, and separate multiple-regression equations were developed for each region. These equations relate annual flood magnitudes and frequencies to basin characteristics and are...
Water resources in basin-fill deposits in the Tularosa Basin, New Mexico
B. R. Orr, R. G. Myers
1986, Water-Resources Investigations Report 85-4219
The Tularosa Basin, a faulted intermontane depression in south-central New Mexico, contains a thick sequence of alluvial and lacustrine deposits of Tertiary and Quaternary age. Most of these sediments are saturated with very saline water. Freshwater supplies (dissolved solids concentration < 1000 mg/L) principally are found in alluvial fans located...
