US Geological Survey

Cover image from WRIR00-4022 (click for enlargement, 55 KB) U.S. GEOLOGICAL SURVEY

Water-Resources Investigations Report 00-4022

Development of a Contour Map Showing Generalized Skew Coefficients of Annual Peak Discharges of Rural, Unregulated Streams in New York, Excluding Long Island

By Richard Lumia and Yvonne H. Baevsky

CONTENTS

 

Abstract

Introduction

Purpose and Scope

Acknowledgments

Station skew coefficients

Generalized skew coefficients

Weighting of skew coefficients

Mapping of skew coefficients

Regionalization

Error Analysis

Summary

References cited


FIGURES


1-2. Maps of New York, excluding Long Island, showing:

1. Generalized skew coefficients

2. Five hydrologic regions

3-6. Graphs showing:

3. Unbiased skew coefficients at stations within five hydrologic regions of New York and in all regions

combined

4. Mean generalized skew coefficients for five hydrologic regions of New York and for the five regions

combined, as calculated by five methods

5. Mean square errors of generalized skew coefficients for five hydrologic regions of New York and for

the five regions combined, as calculated by four methods

6. Observed station skew coefficients and skew coefficients predicted from:

A. The IACWD nationwide map (1982)

B.  New York statewide map


TABLES


1. Selected statistics for unbiased skew coefficients for each of five hydrologic regions of New York and for

all five regions combined


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Last update: 18:05:47 Tuesday 18 February 2003
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