Water-Resources Techniques, Methods, and Modeling

Sources for procedures or strategies for research, management, collection, or analysis of scientific information used for water resources.

• Groundwater techniques
• Water-quality methods
• Toxic-substances hydrology methods
• Water-resources techniques and methods publications
• Techniques of Water-Resources Investigations—USGS publication series discontinued in 2005.
• Water-resources technical memoranda—Contain some information on methods and procedures.

 Field methods

Procedures for research and instrumental means to measure, collect data and samples, and observe water resources in areas where the materials, phenomena, structures, or species being studied occur.

• National Field Manual for the Collection of Water-Quality Data
• Tracer tests—The use and development of tracer tests to study contaminant transport and fate.
• Groundwater— Techniques, methods, and models for collecting groundwater information.
• Streamgaging—Background on the National Streamflow Information Program.
• Surface-water data collection techniques
• Hydroacoustic methods—Relevant information for users of acoustic flow measurement technology to improve accuracy through the use of acoustic Doppler instruments.
• Storm-tide monitoring—Information about the mobile storm-surge network developed to observe and document hurricane-induced storm-surge domes as they make landfall.
• Environmental measurement methods for use in the field—The Toxic Substances Hydrology Program develops methods to measure a wide range of environmental properties.
• Woods Hole technology links—Techniques used in the Coastal and Marine Geology Program.

 Hydrogeophysics

Use of geophysical methods to quantitatively monitor physical earth processes associated with water resources, such as contaminant transport and ecological and climate investigations.

• Water Resources Branch of Geophysics—Borehole, surface and marine geophysical methods, geophysics for subsurface water-quality investigations and remediation monitoring.
• Geophysical technology transfer—Methods, equipment and training resources that will support the development and implementation of earth science studies.

 Laboratory Methods

Techniques to analyze and test water-resources samples in a place equipped and designed for the work.

• National Environmental Methods Index— A Web-searchable database to compare water-quality data-collection methods and find the method to meet your needs.
• Analytical methods for environmental measurements—The Toxic Substances Hydrology program's laboratory methods designed to measure a wide range of environmental properties.
• USGS National Water Quality Laboratory—A full-service laboratory that specializes in environmental analytical chemistry and has a primary role to develop new methods.
• Microbiology—Microbiology projects related to water quality that investigate bacteria, viral and protozoan pathogens; links are provided to publications and analytical, field, and laboratory methods.
• Hydraulics—Office of Surface Water's information relating to the branch of engineering which applies the physical properties of fluids, such as flow and pressure, to the design and use of machinery, pumps, pipelines, etc.
• Indoor hydraulic laboratory—The Office of Surface Water lab provides links to meter calibrations, current meter performance, and modeling activities.
• Chemical analysis—Agricultural chemicals.

 Computer models

Availability and use of computer simulation models and statistical analysis software

• Water-resources application software—The software and related material can be used, copied, modified, and distributed without any fee or cost.
• Alphabetical listing
• General use
• Water quality and chemistry
• Groundwater
  • MODFLOW—Groundwater flow software and related programs
• Statistics & graphics
• Toxic substances hydrology
• Surface water
  • Surface water discharge software—One-dimensional transport with inflow and storage (OTIS): A solute transport model for streams and rivers
  • Sediment discharge software—Computation of total sediment discharge by the modified Einstein procedure (MODEIN)
  • Models of contaminant transport—Research and publications for computer models for the simulation of contaminant transport and fate
  • Watershed software—For modeling of watershed systems (MOWS) and information suitable for modeling of watersheds in response to normal and extreme climatic conditions or to changes in the physical conditions.