Sigurd Christensen Contact CHRISTENSENS@ORNL.GOV All Publications Importance of Data Management in a Long-term Biological Monitoring Program Long-term Benthic Macroinvertebrate Community Monitoring to Assess Pollution Abatement Effectiveness Long-Term Biological Monitoring of an Impaired Stream: Implications for Environmental Management [Special Issue]... Long-Term Benthic Macroinvertebrate Community Monitoring to Assess Pollution Abatement Effectiveness An Overview of ARM Program Climate Research Facility Data Quality Assurance... A Cluster Analysis Approach to Comparing Atmospheric Radiation Measurement (ARM) Data and Global Climate Model (GCM) Results...