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Explore Search: methods and analysis

Filter Total Items: 1464
publication
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Preparation and analysis methods for fish tissue collected from Lake Koocanusa, Montana

Data Release
Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.

A Method for High Performance Liquid Chromatography Analysis of Volatile Fatty Acids in Water

Methods, protocols, and procedures
PGRL Method for Qualitative Biomarker Analysis by GC-MSD

PGRL Method for Qualitative Biomarker Analysis by GC-MSD
Methods, protocols, and procedures
PGRL GCFID Qualitative Analysis Method for Hydrocarbons

PGRL GCFID Qualitative Analysis Method for Hydrocarbons
Photography
Three USGS scientists are holding a pipe and standing in knee-deep water in a river.

USGS scientists test new method for microplastics analysis
publication
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Methods for peak-flow frequency analysis for streamgages in or near Montana, North Dakota, South Dakota, and Wyoming

Data Release
Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.

Peak-flow frequency analyses for selected streamgages in Wyoming, based on data through water year 2022

Data Release
Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.

Long-term Trends in Spring and Summer-flooded Wetland area in Suisun Marsh, California

Technical Memos
TM01-05 Establishment of Long-Term Method Detection Levels for the Analysis of Oil and Grease

TM01-05 Establishment of Long-Term Method Detection Levels for the Analysis of Oil and Grease
publication
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The importance of method selection when estimating diet composition with quantitative fatty acid signature analysis

Technical Memos
TM00-01S Analysis and interpretation of reporting environmental data with a non-proper calibration curve for Kjeldahl nitrogen and phosphorus methods; Supplementary Infromation

TM00-01S Analysis and interpretation of reporting environmental data with a non-proper calibration curve for Kjeldahl nitrogen and phosphorus methods; Supplementary Infromation
publication
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A high efficiency method for the extraction and quantitative analysis of 45 PFAS in whole fish

Technical Memos
TM96-08 Implementation of EPA Method 1664 for the Analysis of Oil and Grease or Total Petroleum Hydrocarbons in water

TM96-08 Implementation of EPA Method 1664 for the Analysis of Oil and Grease or Total Petroleum Hydrocarbons in water
Research
TOC-L Laboratory Total Organic Carbon Analyzer

Table of Analysis Methods

Technical Memos
TM02-01 Removal of Terbuthylazine from Pesticide Analysis by Gas Chromatography/Mass Spectrometry (Methods 2001 abd 2010)

TM02-01 Removal of Terbuthylazine from Pesticide Analysis by Gas Chromatography/Mass Spectrometry (Methods 2001 abd 2010)
publication
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Methods for sampling and inorganic analysis of coal

Project
The Molecular Ecology Lab at the Fort Collins Science Center

Molecular Ecology Lab (MEL)

Software Release
Collage of software mapper tools.

Analysis code for Quantitative method development to determine feed consumption using a dye

publication
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Laboratory theory and methods for sediment analysis

publication
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Bayesian data analysis in population ecology: motivations, methods, and benefits

Podcasts
A black and white satellite image with several words in white on top, plus a color mugshot of a man

Eyes on Earth Episode 133 – Vietnam War Bomb Craters
publication
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Operator's manual on the visual-accumulation tube method for sedimentation analysis of sands

Data Release
Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.

Composite relative risk indices for dreissenid mussel introductions in the Missouri River Basin: scripts and output

Science Snippet
Tailings Pile Sample Collection

Mapping, Mine Wastes and More Critical Minerals Science:

publication
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Semiquantitative spectrographic method for analysis of minerals, rocks, and ores

publication
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General methods for sensitivity analysis of equilibrium dynamics in patch occupancy models

publication
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A comparative analysis of common methods to identify waterbird hotspots

publication
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An integrated-intensity method for emission spectrographic computer analysis

publication
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Glacier volume estimation of Cascade Volcanoes: An analysis and comparison with other methods

Data Release
Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.

Technical Letter: Astrogeology 28, Task Analysis Of Shirtsleeve Geologic Methods For The Apollo Applications Program Test AAP-8

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