By T.H. Brossett and D.A. Evans
This document is available in Portable Document Format (PDF): Water-Data Report AR-02-1 (9.4 MB)
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Water resources data for the 2002 water year for Arkansas consist of records of discharge and water quality (physical measurements and chemical concentrations) of streams, water quality of lakes, and groundwater levels and ground-water quality. Data from selected sites in Missouri and Oklahoma also are included. This report contains daily discharge records for 108 surface-water gaging stations and 87 peak-discharge partial-record stations, water-quality data for 65 surface-water stations and 5 wells, and water levels for 15 observation wells. Additional water data were collected at various sites, not part of the systematic data-collection program, and are published as miscellaneous measurements.
Note: Historically, this report has been published as a paper report. Beginning with the 2002 water year report, these reports will be available from the World Wide Web at http://ar.water.usgs.gov.
TABLE OF CONTENTS
Calendar for Water Year 2002
Preface
List of gaging stations, in downstream order, for which records are published
Introduction
Cooperation
Summary of hydrologic conditions
Surface water
Surface-water quality
Ground-water levels
Definition of terms
Station identification numbers
Downstream order and station number
Numbering system for wells
Special networks and programs
Explanation of stage and water-discharge records
Collection and computation of data
Data presentation
Station manuscript
Data table of daily mean values
Statistics of monthly mean data
Summary statistics
Identifying estimated daily discharge
Accuracy of field data and computed results
Other data available
Explanation of surface-water quality records
Collection and examination of data
On-site measurements and sample collection
Dissolved trace-element concentrations
Change in National Trends Network procedures
Water temperature
Sediment
Laboratory measurements
Data presentation
Remarks codes
Explanation of ground-water level records
Data collection and computation
Data presentation
Explanation of ground-water quality records
Collection of the data
Data presentation
Quality-control data
Access to USGS water data
Publications on techniques of water-resources investigations
Discontinued gaging stations
Discontinued water-quality stations
Hydrologic-data station records
Discharge at crest-stage partial-record stations
Discharge at special study and miscellaneous sites
Ground-water levels and quality of ground water
Chemical quality of precipitation
Index
Conversion Factors
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