Dennis R. Helsel

Environmental Science · Physical Sciences

40h-index9.5kcitations93works15.02yr avg
OpenAlex↗ORCID↗Google Scholar↗

Accepting Students?

No reports yet. Know if this professor is taking students?

Research Topics

Water Quality and Resources Studies(33), Water Quality and Pollution Assessment(17), Groundwater and Isotope Geochemistry(15), Groundwater flow and contamination studies(11), Heavy metals in environment(6)

Publications93 total

Evaluating the reliability of environmental concentration data to characterize exposure in environmental risk assessments
Integrated Environmental Assessment and Management·2024· 15 cited
Data Analysis for Censored Environmental Data [R package NADA2 version 1.0.1]
2021
NADA2: Data Analysis for Censored Environmental Data
2021· 48 citedOpen Access
Statistical methods in water resources
Techniques and methods·2020· 613 citedOpen Access
Using wastewater-based epidemiology to estimate drug consumption—Statistical analyses and data presentation
The Science of The Total Environment·2016· 35 cited
Comments on the article: Re-evaluation of groundwater monitoring data for glyphosate and bentazone by taking detection limits into account
The Science of The Total Environment·2016· 2 cited
Land use influences on metals in storm drainage
2016· 41 cited
Statistics for Censored Environmental Data Using Minitab and R
2012· 636 cited
Additional analysis of dendrochemical data of Fallon, Nevada
Chemico-Biological Interactions·2011· 12 cited
Index
2011Open Access
Computing Interval Estimates
2011
Reporting Limits
2011· 1 cited
Things People do with Censored Data that are Just Wrong
2011· 2 cited
Comparing Three or more Groups
2011
Reporting, Storing, and Using Censored Data
2011
Statistics in Practice
2011
Correlation
2011· 1 cited
The NADA for R Software
2011· 2 cited
Plotting Censored Data
2011· 3 cited
Three Approaches for Censored Data
2011· 2 cited
page 1 of 5Next →

Frequent Co-authors

Robert M. Hirsch(6), Alan H. Welch(4), Robert J. Gilliom(4), Michael J. Focazio(4), Richard B. Wanty(3), Sharon A. Watkins(3), Lopaka Lee(3), Edward J. Gilroy(2), Timothy A. Cohn(2), Bernard T. Nolan(2), Barbara C. Ruddy(2), Kerie J. Hitt(2), David K. Mueller(2), Michael G. Rupert(2), Stephen E. Ragone(2), Susan H. Cannon(2), Joseph E. Gartner(2), David B. Westjohn(1), Karen R. Ryberg(1), S. A. Archfield(1)