Concepts

All (598)Explore Concept Graph

598 concepts

process

Program logistics

methodological1 paper
measurement

Raman spectroscopy

Studies vibrational modes of molecules by looking at unique fingerprint from inelastically scattered light

methodological1 paper
metric

Recall

methodological1 paper
measurement

SEM-EDS analysis

Scanning electron microscope energy-dispersive X-ray spectroscopy for determining elemental composition and mineral identification

methodological1 paper
framework

SHAP analysis

Interpretability method that quantifies the contribution of each feature to machine learning model predictions using game theory

methodological1 paper
methodology

Short Baseline Subset (SBAS)

Advanced InSAR procedure combining independent subsets of interferograms to estimate displacement history using minimum-length solution of phase velocity

methodological1 paper
metric

Simple Ratio Index

Association index calculated as the ratio of observations of individuals a and b seen together over the sum of observations of them seen together plus times seen separately

methodological1 paper
process

Stokes and anti-Stokes scattering

Two types of inelastic scattering - Stokes when molecule relaxes to higher energy level than started, anti-Stokes when starts in excited state and relaxes to lower energy

methodological1 paper
measurement

TASCC method

Tracer Additions for Spiraling Curve Characterization method for quantifying stream nutrient uptake using simultaneous tracer and nutrient injections

methodological1 paper
metric

TSS

methodological1 paper
metric

Taper

methodological1 paper
method

Thiessen polygons

Spatial analysis technique creating influence zones around points based on proximity

methodological1 paper
phenomenon

Type I error

Incorrectly concluding there is a species effect when the effect is actually due to lower-level genetic variation

methodological1 paper
framework

Vienna Standard Mean Ocean Water scale

methodological1 paper
measurement

W-band radar

Cloud radar operating at approximately 94 GHz frequency with high sensitivity to cloud particles

methodological1 paper
framework

Web Service Layer

methodological1 paper
metric

Whittaker dissimilarity index

β-diversity metric used to quantify interaction turnover between successive weekly networks

methodological1 paper
measurement

Willingness to pay

methodological1 paper
measurement

X-ray absorption near-edge spectroscopy

Spectroscopic technique that provides information on sulfur redox states and bonding environments for investigating sulfur cycling in natural systems

methodological1 paper
measurement

X-ray fluorescence mapping

Synchrotron-based multiple energy μ-XRF 2D mapping technique for detecting spatial distributions of elements and their oxidation states

methodological1 paper
measurement

X-ray imaging

Imaging technique using X-ray photons with energies in the range of 10²-10⁶ eV to visualize internal structures

methodological1 paper
framework

Zen Ecology

A practice of guided meditation that is intended to lead to insight through open-minded observation of the natural world

methodological1 paper
process

adaptive signal processing

Signal processing algorithms that automatically adjust parameters in response to changing environmental conditions

methodological1 paper
framework

age-elevation relationship

The relationship between thermochronologic ages and sample elevation used to calculate exhumation rates

methodological1 paper
measurement

alpha ejection correction

Correction factor accounting for loss of helium due to alpha particles being ejected from mineral grains during radioactive decay

methodological1 paper
framework

analytical facilities

methodological1 paper
process

anesthesia

Artificially produced unconsciousness used during procedures to block sensations of pain

methodological1 paper
measurement

anisotropy of magnetic susceptibility

The directional dependence of magnetic susceptibility in rocks that results from depositional, diagenetic, syn- and post-sedimentary processes affecting magnetic grains

methodological1 paper
model type

approximate Bayesian computation

A computational method for model fitting that contrasts the influence of different mechanisms by simulating data under different parameter sets

methodological1 paper
framework

art-science collaboration

Interdisciplinary partnerships between artists and scientists that create new works and approaches that would not be possible without the collaboration

methodological1 paper
process

atmospheric correction

Processing procedure to remove atmospheric effects from hyperspectral radiance data to estimate surface reflectance

methodological1 paper
morphological feature

axial filling

methodological1 paper
measurement

back-trajectory analysis

Computational method to trace the path of air masses backwards in time to determine source regions

methodological1 paper
measurement

bacterial load quantification

Absolute abundance of bacteria measured as colony forming units per unit leaf mass

methodological1 paper
measurement

basal area increment

Annual change in cross-sectional area of tree stem measured from tree ring widths

methodological1 paper
measurement

bee bowl bycatch

Arthropods collected in bee bowl traps that are not being examined by a study and are not collected or recorded in any data set

methodological1 paper
methodology

behavioral accumulation curve

A technique that graphs the number of songs recorded versus the number of song types and uses curve equations to estimate maximum repertoire size when the curve reaches an asymptote

methodological1 paper
measurement

behavioral codings

Quantitative measurement of presence/absence, frequency, and/or duration of specific behaviors

methodological1 paper
framework

biological validation

Process of confirming that a physiological assay accurately reflects the biological process it claims to measure through controlled experiments

methodological1 paper
measurement

blanket sampling

Comprehensive collection method attempting to document all species present at a site regardless of abundance

methodological1 paper
metric

bounding box ratio

A dimensional ratio calculated from minimum bounding rectangles to quantify the shape characteristics of pond polygons

methodological1 paper
model type

broken-stick model

Statistical model used to determine the number of principal components to retain, setting threshold above which a component explains more variation than expected by chance alone

methodological1 paper
measurement

camera trap image classification

Automated identification of species from camera trap photographs using machine learning

methodological1 paper
measurement

canopy height model

Digital representation of forest canopy height derived from remote sensing data

methodological1 paper
methodology

capture-recapture

An ecological technique that relies on randomly choosing a sample of recorded syllables and then 'recapturing' some of those syllables in successive samples to estimate total repertoire size

methodological1 paper
measurement

carrier frequency

The dominant frequency component of acoustic signals, measured as the highest peak frequency from FFT analysis

methodological1 paper
metric

catch per unit effort

Standardized measure of abundance calculated as number of individuals caught per unit of sampling time or effort

methodological1 paper
process

cattle behavior modification

Training cattle to alter their grazing patterns and spatial use through management techniques

methodological1 paper
methodology

central administration

Routes of oxytocin administration that act directly on the brain, traditionally requiring surgery to deliver oxytocin directly to cerebral spinal fluid

methodological1 paper
measurement

chemical shifts

methodological1 paper