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Source, Movement, and Effects of Nitrogen and Phosphorus in Three Ponds in the Headwaters of Hop Brook, Marlborough, Massachusetts

U.S. Geological Survey, Water Resources Investigations Report 84-4017

John C. Briggs, William D. Silvey


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Sections available in pdf:

Section 1 -- 2.11 MB

Abstract

Introduction

Purpose and scope

Acknowledgments

Description of the study area

Methods of study

Streamflow

Water-quality

Nitrogen

Organic nitrogen

Ammonia nitrogen

Nitrite nitrogen

Nitrate nitrogen

Total nitrogen

Phosphorus

Orthophosphate phosphorus

Total phosphorus

Section 2 -- 1.74 MB

Biological characteristics

Phytoplankton

Algal growth potential

Alternatives for water quality in the pond system

Summary

Section 3 -- 1.55 MB

References

 

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