WATER POLLUTION RESEARCH AND DEVELOPMENT

By MATTHEW SANCHEZ

EXECUTIVE SUMMARY INTRODUCTION OVERVIEW OF CYCLE I OF NAWQA, INITIAL ASSESSMENT OF NAWQA RESULTS AND ACCOMPLISHMENTS, INTRODUCTION TO CYCLE II OF NAWQA, CONCLUSIONS, REFERENCES, TRANSITION FROM CYCLE I TO CYCLE II: REPRESENTATIVENESS OF STUDY UNITS INTRODUCTION, REPRESENTATIVENESS OF THE STUDY UNIT APPROACH, LAKES, RESERVOIRS, COASTAL WATERS, AND PERMAFROST, SURFACE WATER AND GROUNDWATER, CONCLUSIONS AND RECOMMENDATIONS, NAWQA CYCLE II GOALS—STATUS RESOURCES NOT PREVIOUSLY SAMPLED AND DRINKING WATER SOURCES, CONTAMINANTS NOT PREVIOUSLY SAMPLED, IMPORTANCE OF CONDUCTING SEDIMENT MONITORING, CONCLUSIONS AND RECOMMENDATIONS CONTENTS NAWQA CYCLE II GOALS—TRENDS AND STATISTICAL SUPPORT FOR UNDERSTANDING DESIGN OF WATER QUALITY MONITORING NETWORKS AND PROGRAMS, EVALUATION OF TRENDS IN WATER QUALITY, NONEXPERIMENTAL APPROACHES TO ENHANCE SCIENTIFIC UNDERSTANDING, EFFECTS OF URBANIZATION, RESPONSE TO AGRICULTURAL MANAGEMENT PRACTICES, NAWQA CYCLE II GOALS—UNDERSTANDING ROLE OF MODELS IN UNDERSTANDING CAUSE AND EFFECT, PROPOSED IMPLEMENTATION APPROACH FOR THE UNDERSTANDING GOAL OF CYCLE II, THEMES AND OBJECTIVES OF CYCLE II UNDERSTANDING GOAL, COMMUNICATING NAWQA DATA AND INFORMATION TO USERS INFORMATION COMMUNICATED BY NAWQA, METHODS OF COMMUNICATING RESULTS, POLICY RELEVANCE OF NAWQA, COOPERATION AND COORDINATION ISSUES NAWQA LIAISON COMMITTEES, USGS DISTRICT PROGRAMS, OTHER USGS WATER RESOURCES RESEARCH PROGRAMS, COOPERATION WITH OTHER AGENCIES, NAWQA AND THE STATES, THE FUTURE OF NAWQA FOUR CROSSCUTTING ISSUES, NAWQA—PAST, PRESENT, AND FUTURE, NAWQA AND FUTURE ROLES AND OPPORTUNITIES FOR THE USGS,