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Data Series 498

In cooperation with the National Park Service, U.S. Department of Agriculture Forest Service,
Colorado Department of Public Health and Environment, and Teton County, Wyoming

Rocky Mountain Snowpack Physical and Chemical Data for Selected Sites, 2009

By George P. Ingersoll, M. Alisa Mast, James M. Swank, and Chelsea D. Campbell

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The Rocky Mountain Snowpack program established a network of snowpack-sampling sites in the Rocky Mountain region from New Mexico to Montana to monitor the chemical content of snow and to understand the effects of regional atmospheric deposition. The U.S. Geological Survey, in cooperation with the National Park Service; the U.S. Department of Agriculture Forest Service; the Colorado Department of Public Health and Environment; Teton County, Wyoming; and others, collected and analyzed snowpack samples annually for 48 or more sites in the Rocky Mountain region during 1993–2009. Sixty-three snowpack-sampling sites were sampled once each in 2009 and data are presented in this report. Data include acid-neutralization capacity, specific conductance, pH, hydrogen ion concentrations, dissolved concentrations of major constituents (calcium, magnesium, sodium, potassium, ammonium, chloride, sulfate, and nitrate), dissolved organic carbon concentrations, snow-water equivalent, snow depth, total mercury concentrations, and ionic charge balance. Quality-assurance data for field and laboratory blanks and field replicates for 2009 also are included.

First posted October 12, 2010

For additional information contact:

Director, USGS Colorado Water Science Center
Box 25046, Mail Stop 415
Denver, CO 80225

http://co.water.usgs.gov

Part or all of this report is presented in Portable Document Format (PDF); the latest version of Adobe Reader or similar software is required to view it. Download the latest version of Adobe Reader, free of charge.


Suggested citation:

Ingersoll, G.P., Mast, M.A., Swank, J.M., and Campbell, C.D., 2010, Rocky Mountain snowpack physical and chemical data for selected sites, 2009: U.S. Geological Survey Data Series 498, 9 p.


Contents

Abstract

Introduction

Purpose and Scope

Study Area

Sampling Methods and Analyses

Snowpack Physical and Chemical Data

Acknowledgments

References Cited


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