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Fact Sheet 2013–3041

Arkansas StreamStats—A U.S. Geological Survey Web Map Application for Basin Characteristics and Streamflow Statistics

By Aaron L. Pugh

Thumbnail of and link to report PDF (1.76 MB)Abstract

The U.S. Geological Survey (USGS) provides streamflow and other related information needed by water-resource managers responsible for protecting people and property from floods, planning and managing water-resource activities, and protecting water quality. Streamflow statistics provided by the USGS, such as the 1-percent annual exceedance probability (100-year flood) and the 7-day 10-year low flow, are frequently used by engineers, flood forecasters, land managers, biologists, and others to guide their everyday decisions. Additionally, resource managers often need to know basin characteristics, the physical and climatic characteristics of a drainage basin, to help understand the mechanisms that control water availability, water quality, and aquatic habitats at various locations.

Users of streamflow information often require streamflow statistics and basin characteristics at various locations along a stream. The USGS periodically calculates and publishes streamflow statistics and basin characteristics for streamflowgaging stations and partial-record stations, but these data commonly are scattered among many reports that may or may not be readily available to the public. The USGS also provides and periodically updates regional analyses of streamflow statistics that include regression equations and other prediction methods for estimating statistics for ungaged and unregulated streams across the State. Use of these regional predictions for a stream can be complex and often requires the user to determine a number of basin characteristics that may require interpretation. Basin characteristics may include drainage area, classifiers for physical properties, climatic characteristics, and other inputs. Obtaining these input values for gaged and ungaged locations traditionally has been time consuming, subjective, and can lead to inconsistent results.

First posted February 5, 2014

For additional information contact:
Director, Arkansas Water Science Center
U.S. Geological Survey
401 Hardin Road
Little Rock, AR 72211
http://ar.water.usgs.gov/

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Suggested citation:

Pugh, A.L., 2014, Arkansas StreamStats—A U.S. Geological Survey Web map application for basin characteristics and streamflow statistics: U.S. Geological Survey Fact Sheet 2013–3041, 2 p., https://dx.doi.org/10.3133/fs20133041.

ISSN 2327-6932 (online)



Contents

Introduction

Description of StreamStats

Regional Regression Equations

References


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