Skip to main content
U.S. flag

An official website of the United States government

Explore Search: Sampling

Filter Total Items: 29
publication
image of publications layered on a wooden table

Assessment of fracture-sampling techniques for laboratory tests on core

publication
image of publications layered on a wooden table

Sampling methods for amphibians in streams in the Pacific Northwest

publication
image of publications layered on a wooden table

Balloon and core sampling for determining bulk density of alluvial desert soil

publication
image of publications layered on a wooden table

Drift fence-associated sampling bias of amphibians at a Florida sandhills temporary pond

publication
image of publications layered on a wooden table

Importance of closely spaced vertical sampling in delineating chemical and microbiological gradients in groundwater studies

publication
image of publications layered on a wooden table

Spatial variability and collector requirements for sampling throughfall volume and chemistry under a mixed-hardwood canopy

publication
image of publications layered on a wooden table

Sampling design for groundwater solute transport: Tests of methods and analysis of Cape Cod tracer test data

publication
image of publications layered on a wooden table

New evidence on the hydrothermal system in Long Valley caldera, California, from wells, fluid sampling, electrical geophysics, and age determinations of hot-spring deposits

publication
image of publications layered on a wooden table

Change-in-ratio estimators for populations with more than two subclasses

publication
image of publications layered on a wooden table

In situ measurement of methane oxidation in groundwater by using natural-gradient tracer tests

publication
image of publications layered on a wooden table

Chemical equilibrium and mass balance relationships associated with the Long Valley hydrothermal system, California, U.S.A.

publication
image of publications layered on a wooden table

Hydrologic pathways and chemical composition of runoff during snowmelt in Loch Vale Watershed, Rocky Mountain National Park, Colorado, USA

publication
image of publications layered on a wooden table

Geochemistry of Soil Samples from 50 Solution-Collapse Features on the Coconino Plateau, Northern Arizona

publication
image of publications layered on a wooden table

Seasonal changes in microhabitat selection by rainbow trout in a small stream

publication
image of publications layered on a wooden table

Paleomagnetism of three upper Jurassic ash-flow sheets in southeastern Arizona: Implications for regional deformation

publication
image of publications layered on a wooden table

Part D: Geochemistry of Soil Samples from 50 Solution-Collapse Features on the Coconino Plateau, Northern Arizona

publication
image of publications layered on a wooden table

Heavy metal contamination of sediments in the upper connecting channels of the Great Lakes

publication
image of publications layered on a wooden table

The measurement of mangrove characteristics in southwest Florida using spot multispectral data

publication
image of publications layered on a wooden table

Herons and egrets as proposed indicators of estuarine contamination in the United States

publication
image of publications layered on a wooden table

Part A: Geochemistry of Soil Samples from 50 Solution-Collapse Features on the Coconino Plateau, Northern Arizona

publication
image of publications layered on a wooden table

Part B: Geochemistry of Soil Samples from 50 Solution-Collapse Features on the Coconino Plateau, Northern Arizona

publication
image of publications layered on a wooden table

Part C: Geochemistry of Soil Samples from 50 Solution-Collapse Features on the Coconino Plateau, Northern Arizona

publication
image of publications layered on a wooden table

An intercomparison of hydrological network-design technologies

publication
image of publications layered on a wooden table

Near-real-time mosaics from high-resolution side-scan sonar

publication
image of publications layered on a wooden table

Organochlorines accumulate in heron and egret chicks sampled in the Houston Ship Channel

publication
image of publications layered on a wooden table

Element dispersion in alluvium covering gold deposits east of the Osgood Mountains, Getchell Trend, Humboldt County, Nevada: slides and text of a talk given at the Association of Exploration Geochemists' 15th International Geochemical Exploration Symposiu

publication
image of publications layered on a wooden table

Surface water quality assessment of the Upper Illinois River basin in Illinois, Indiana, and Wisconsin: Geochemical data for fine-fraction streambed sediment from high- and low-order streams, 1987

publication
image of publications layered on a wooden table

Large-scale natural gradient tracer test in sand and gravel, Cape Cod, Massachusetts: 2. Analysis of spatial moments for a nonreactive tracer

publication
image of publications layered on a wooden table

Denitrification in nitrate-contaminated groundwater: Occurrence in steep vertical geochemical gradients

Was this page helpful?