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WDR-IA-03-1 (23,832 MB)
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Water resources data for Iowa for the 2003 water year consists of records of stage, discharge, and water quality of streams; stage, and/or contents of lakes and reservoirs; ground-water levels and water quality of ground-water wells. This report volume contains discharge records for 134 gaging stations; stage or contents for 9 lakes and reservoirs and 3 streams; water quality for 4 stream-gaging stations; sediment records for 11 stream-gaging stations; and precipitation record for 7 precipitation stations. Also included are data for 90 crest-stage partial-record stations.
Preface
Contents
Figures
Tables
Surface-Water Stations, in Downstream Order, for which Records are Published in this Volume
Discontinued surface-water discharge or stage-only stations
Discontinued surface-water-quality stations
Introduction
Cooperation
Summary of Hydrologic Conditions
Precipitation
Surface water
Streamflow
Suspended Sediment
Water Quality
Downstream Order and Station Number
Special Network and Programs
Explanation of Stage- and Water Discharge Records
Data Collection and Computation
Data Presentation
Station Manuscript
Peak Discharge Greater than
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 Records Available
Explanation of Precipitation Records
Data Collection and Computation
Data Presentation
Explanation of Water-Quality Records
Collection and Exmination of Data
Water Analysis
Surface-Water-Quality Records
Classification of Records
Accuracy of the Records
Arrangement of Records
On-Site Measurements and Sample Collection
Water Temperature
Sediment
Laboratory Measurements
Data Presentation
Remark Codes
Water-Quality Control Data
Blank Samples
Reference Samples
Replicate Samples
Spike Samples
Access to USGS water data
Definition of terms
Techniques of Water-Resources Investigations of the U.S. Geological Survey
Gaging stations, surface water
Crest-stage partial-record stations
Index
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