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Concepts

All (106)Explore Concept Graph

106 concepts

measurement

leaf water content

Fresh weight minus dry weight divided by dry weight

plant physiology61 papers
measurement

precipitation

climate47 papers
process

thermal constraints

Limitations on activity imposed by temperature and radiation conditions

climate35 papers
measurement

fractional snow cover area

Proportion of area covered by snow

hydrology28 papers
phenomenon

spatiotemporal variability

Variations in aerosol concentrations and properties across both spatial scales and temporal scales

general ecology28 papers
measurement

spectral reflectance

Light absorption and reflection properties of tissues that vary with chemical composition and structure

methodological25 papers
model type

radiative transfer modeling

Computational approach to calculate radiation fluxes through the atmosphere under specified atmospheric conditions

climate19 papers
measurement

surface albedo

The fraction of solar radiation reflected by the surface, with snow-covered surfaces having high albedo (0.8) and snow-free surfaces having lower values

climate18 papers
metric

forecast skill

The accuracy of predicted values using root mean square error to assess model performance

methodological16 papers
measurement

correlation coefficient

methodological15 papers
process

sublimation

hydrology14 papers
phenomenon

latitudinal gradient

general ecology13 papers
metric

monsoon streamflow generation efficiency

The ratio of streamflow produced per unit of monsoon precipitation input compared to other seasonal water sources

hydrology13 papers
phenomenon

spatial patterns

landscape13 papers
phenomenon

atmospheric boundary layer

The lowest part of the atmosphere directly influenced by the Earth's surface

climate11 papers
measurement

SWE

hydrology10 papers
process

aerosol-cloud interactions

The role of atmospheric aerosols in cloud formation and precipitation by acting as cloud condensation nuclei (CCN) and ice-nucleating particles (INPs)

climate10 papers
measurement

atmospheric reanalysis

climate10 papers
phenomenon

diel patterns

Daily activity patterns and rhythms in organism behavior

general ecology10 papers
measurement

vertical velocity

climate10 papers
measurement

Cloud Radiative Forcing

The difference between net radiation flux at the surface under all-sky and clear-sky conditions, accounting for both downwelling and upwelling radiation changes

climate9 papers
measurement

aerosol particle concentration

climate8 papers
process

orographic turbulence

climate8 papers
measurement

particle size distribution

Statistical distribution describing the number concentration of particles as a function of their size

hydrology8 papers
process

snow microphysics

Physical processes affecting snow particle formation, growth, and characteristics including aggregation, riming, sublimation, and fragmentation

climate8 papers
framework

surface energy balance

The balance of vertical radiative, conductive, and turbulent energy transfer across the infinitely thin plane of the surface

climate8 papers
measurement

cloud base height

climate7 papers
phenomenon

North American Monsoon

Seasonal precipitation system occurring July-September in the central Rocky Mountains bringing significant rainfall to Colorado River headwater basins

climate6 papers
process

dust transport

climate6 papers
phenomenon

extreme climatic events

Meteorological events that are rare for a particular place or time of year and can have major ecological impacts

climate6 papers
phenomenon

orographic turbulence

Atmospheric turbulence generated by airflow over mountainous terrain leading to enhanced mixing and modified precipitation processes

climate6 papers
process

synoptic conditions

Large-scale atmospheric weather patterns that influence regional temperature and precipitation distributions

climate6 papers
measurement

viewing azimuth angle

methodological6 papers
phenomenon

blowing snow

climate5 papers
measurement

cloud optical thickness

Measure of cloud opacity to solar radiation, related to cloud droplet concentration and size distribution

climate5 papers
measurement

cloud phase

Classification of cloud particles as liquid water droplets, ice crystals, or mixed phase

climate5 papers
measurement

collection efficiency

methodological5 papers
methodology

downscaling approach

methodological5 papers
metric

feature importance

Measure of the relative contribution of each predictor variable obtained by calculating mean decrease in mean square error

methodological5 papers
measurement

normalized difference snow index

Spectral band ratio that leverages the fact that snow reflectance is high in visible wavelengths and low in shortwave infrared wavelengths

climate5 papers
measurement

radar reflectivity (Ze)

climate5 papers
process

turbulent heat flux

Transfer of sensible and latent heat between surface and atmosphere via turbulent mixing

climate5 papers
measurement

AE

climate4 papers
process

aging

general ecology4 papers
measurement

attenuated backscatter coefficient

methodological4 papers
metric

enhancement factor

hydrology4 papers
process

moist convection

climate4 papers
process

photooxidation

biogeochemistry4 papers
measurement

polarimetric radar

Radar systems that transmit and receive both horizontal and vertical polarizations to characterize particle shape, orientation, and microphysical properties

methodological4 papers
measurement

surface pressure

climate4 papers