Concepts

All (598)Explore Concept Graph

598 concepts

process

dynamic data citation

Citation approach that enables search and custom download of data with unique identifiers for specific query results

methodological1 paper
phenomenon

early-career researcher vulnerability

Disproportionate impact of research disruptions on graduate students and postdocs due to career timeline constraints

methodological1 paper
phenomenon

ecological fallacy

methodological1 paper
measurement

effective Uranium

Measurement of radiation damage in a crystal defined as [U] + .235*[Th]

methodological1 paper
measurement

elemental analysis

methodological1 paper
measurement

emissivity

The efficiency with which a surface emits thermal radiation, affecting thermal imaging measurements

methodological1 paper
model type

empirical models

Statistical models fitted to observational data to predict patterns and test hypotheses

methodological1 paper
framework

end-to-end data system

Integrated infrastructure dealing with all aspects of sensor-based measurements from data acquisition, curation, quality analysis and control, integration with other data systems, visualization, and d...

methodological1 paper
process

endosteal resorption

Process where new layers of bone are formed and other layers previously formed are resorbed into the endosteum, resulting in calcium extraction and potential destruction of growth rings

methodological1 paper
framework

ensemble Kalman filter

Bayesian data assimilation technique using Monte Carlo ensemble to approximate probability distributions for parameter estimation

methodological1 paper
methodology

ensemble forecasting

Technique that combines multiple models weighted by performance measures to improve prediction accuracy

methodological1 paper
measurement

entropy

A measure of noisiness in alarm calls, quantified using deterministic chaos analysis

methodological1 paper
framework

epistemological framework

methodological1 paper
theory

equifinality

Concept that multiple different parameter combinations can produce equally acceptable model fits to observed data

methodological1 paper
framework

error model

methodological1 paper
metric

expected discrepancy

methodological1 paper
phenomenon

experimental side effects

Unintended consequences of experimental manipulations that may impact study results

methodological1 paper
model type

exponential decline function

Mathematical function Y = A·e^(-β·d) where Y is root mass, A is root mass at soil surface, d is soil depth, and β defines steepness of decline

methodological1 paper
model type

exponential decline model

Mathematical model describing how pollen deposition decreases exponentially with successive flower visits

methodological1 paper
measurement

exposure ages

methodological1 paper
framework

extreme value statistics

Statistical methods for extrapolating rare event magnitudes from historical data

methodological1 paper
measurement

eye size

methodological1 paper
methodology

factorial bioassay

Experimental approach using multiple factor combinations to test phytoplankton growth responses to nutrient additions

methodological1 paper
phenomenon

false positive redox microsites

methodological1 paper
metric

fatal crashes per 1,000 traffic crashes

methodological1 paper
measurement

fecal matter area

methodological1 paper
phenomenon

field research disruption

Interruption of field-based scientific research due to external factors such as travel restrictions and facility closures

methodological1 paper
framework

field safety

A worker can reasonably and informedly expect to come home without harm to their physical or emotional well-being and that if harm should occur, that a path toward repair is accessible

methodological1 paper
framework

first principles

methodological1 paper
measurement

fission-track radiography

A technique that identifies areas within a thin section that have elevated uranium concentrations by placing mica over thin sections and irradiating in a nuclear reactor to create fission tracks viewa...

methodological1 paper
framework

fixed concentration Dirichlet-type boundary condition

methodological1 paper
phenomenon

flatlining

methodological1 paper
measurement

floating chamber technique

Method for directly measuring gas flux by monitoring concentration changes in enclosed chambers placed on water surface

methodological1 paper
measurement

flower vibration

Physical oscillations of flowers caused by air movement from pollinator wing beats

methodological1 paper
framework

forensic evidence

Solid phase evidence of past biogeochemical processes that can be detected even when the processes are no longer active

methodological1 paper
measurement

formation potential testing

Standardized laboratory procedure to quantify the potential for organic matter to form disinfection byproducts under controlled chlorination conditions

methodological1 paper
measurement

frequency of stalked cells

The proportion of cells producing stalks within a population, used as a metric for stalk production activity

methodological1 paper
process

gap filling

methodological1 paper
theory

genre hybridity

The blending and intersection of multiple film genres within a single work, recognized as the norm rather than an exceptional feature of genre expression

methodological1 paper
measurement

geometric morphometrics

Statistical analysis of shape variation using landmark coordinates

methodological1 paper
phenomenon

ghosts

methodological1 paper
measurement

goodness of pitch

Acoustic measure indicating the harmonic content and tonal quality of vocalizations

methodological1 paper
measurement

gradient approach

Method to calculate soil gas fluxes using concentration gradients at multiple depths

methodological1 paper
measurement

graduate school and career intentions

methodological1 paper
measurement

grain scale

methodological1 paper
measurement

green chromatic coordinate

methodological1 paper
measurement

green chromatic coordinate

Measure of vegetation greenness calculated as G/(R+G+B) used as proxy for evapotranspiration

methodological1 paper
measurement

gut content analysis

Assessment of food material present in larval digestive system as indicator of feeding success

methodological1 paper
framework

habituation-recovery protocol

Experimental design where subjects are habituated to repeated stimuli from one source then tested with novel stimuli to assess discrimination abilities

methodological1 paper
method type

hierarchical clustering

Statistical technique to classify studied locations into groups based on measured variables such that similar locations are placed in the same group

methodological1 paper