The Computer Program Estimate Trend (ESTREND), a system for the detection of trends in water-quality data /

Water-quality trends in New Jersey streams /
by: Hay, Lauren E., et al.
Published: (1990)

General water-quality conditions, long-term trends, and network analysis, at selected sites within the ambient water-quality monitoring network in Missouri, water years 1993-2017 /
by: Richards, Joseph M., et al.
Published: (2021)

Water quality.
Published: (2003)

Use of geophysical logs to estimate water-quality trends in carbonate aquifers /
by: MacCary, L. M. (Lawrence Mend), 1925-
Published: (1980)

Monitoring to detect changes in water quality series /
Published: (1986)

Water-quality trend analysis and sampling design for streams in North Dakota, 1971-2000 /
by: Vecchia, Aldo V.
Published: (2003)

Computer program for the Kendall family of trend tests /
by: Helsel, Dennis R.
Published: (2006)

Design of the National Water-Quality assessment Program : occurrence and distribution of water-quality conditions.
by: Gilliom, Robert J.
Published: (1995)

Water-quality data-collection activities in Colorado and Ohio : phase I--inventory and evaluation of 1984 programs and costs /
Published: (1987)

Revised protocols for sampling algal, invertebrate, and fish communities as part of the National Water-Quality Assessment Program /
Published: (2002)

Analysis of water-quality trends for selected streams in the Water Chemistry Monitoring Program, Michigan, 1998-2005 /
by: Hoard, C. J. (Christopher J.)
Published: (2009)

Water-quality trend analysis and sampling design for the Souris River, Saskatchewan, North Dakota, and Manitoba /
by: Vecchia, Aldo V.
Published: (2000)

Water-quality data-collection activities in Colorado and Ohio : Phase II--Evaluation of 1984 field and laboratory quality-assurance practices /
Published: (1989)

Biotic, water-quality, and hydrologic metrics calculated for the analysis of temporal trends in National Water Quality Assessment Program data in the western United States /
by: Wiele, Stephen Mark
Published: (2012)

Regulatory water quality monitoring : a systems perspective /
by: Ward, R. C.
Published: (1978)

Trends in surface-water quality at selected ambient-monitoring network stations in Kentucky, 1979-2004 /
by: Crain, Angela S.
Published: (2009)

Quality-assurance data for routine water analysis in the National Water-Quality Laboratory of the U.S. Geological Survey for water year 1987 /
by: Lucey, Keith J.
Published: (1989)

Strategies for water quality monitoring /
by: Sherwani, Jabbar K.
Published: (1975)

The use of the ATP assay for rapid assessment of water quality /
Published: (1979)

Opportunities to improve the U.S. Geological Survey National Water Quality Assessment Program /
Published: (2002)

Quality-assurance plan for water-quality activities of the U.S. Geological Survey Montana Water Science Center /
by: Lambing, John H.
Published: (2006)

The National Water-Quality Assessment (NAWQA) Program planned monitoring and modeling activities for Texas 2013-23 /
by: Ging, Patricia B.
Published: (2013)

Quality-assurance/quality-control manual for collection and analysis of water-quality data in the Ohio District, U.S. Geological Survey /
Published: (1998)

Bioanalytical tools in water quality assessment /
by: Escher, Beate Isabella, et al.
Published: (2021)

Surface-water-quality assessment of the upper Illinois River Basin in Illinois, Indiana, and Wisconsin : pesticides and other synthetic organic compounds in water, sediment, and biota, 1975-90 /
Published: (1998)

Concepts for a National Water-Quality Assessment Program /
by: Hirsch, Robert M., et al.
Published: (1988)

Surface water quality trends in southwestern Virginia, 1970-1989 /
Published: (1992)

River basin water quality sampling /
by: Verdi, Dennis A.
Published: (1976)

Quality of major ion and total dissolved solids data from groundwater sampled by the National Water-Quality Assessment Program, 1992-2010 /
by: Gross, Eliza L.
Published: (2012)

Limitations of single water samples in representing mean water quality : III, Effect of variability in concentration measurements on estimates of nutrient loadings in the Squamish River, B.C. /
by: Kleiber, P.
Published: (1977)

Tracking and forecasting the nation's water quality : priorities and strategies for 2013-2023 /
by: Rowe, Gary L., et al.
Published: (2013)

Surface-water quality at fixed sites in the Western Lake Michigan Drainages, Wisconsin and Michigan, and the effects of natural and human factors, 1993-95 /
by: Richards, K. D.
Published: (1998)

Trends in surface-water quality in Connecticut, 1989-98 /
by: Colombo, Michael J. (Michael John)
Published: (2002)

Trends in surface-water quality in Connecticut, 1969-88.
by: Trench, Elaine C. Todd
Published: (1997)

Trends in surface-water quality in Connecticut, 1969-88.
by: Trench, Elaine C. Todd
Published: (1996)

Comparison of accuracy and completeness of data obtained from three types of automatic water-quality monitors /
by: Katzenbach, Max
Published: (1990)