Mapping evapotranspiration at high resolution with internalized calibration (METRIC) is a satellite-based image-processing model for calculating (ET) as residual of the surface energy balance. METRIC uses its foundation pioneering SEBAL balance process developed in The Netherlands by Bastiaanssen, where near-surface temperature gradients are an indexed function radiometric temperature, thereby eliminating need absolutely accurate and air-temperature measurements. internally calibrated using...

Recent satellite image processing developments have provided the means to calculate evapotranspiration (ET) as a residual of surface energy balance produce ET "maps." These maps (i.e., images) provide quantify on field by basis in terms both rate and spatial distribution. The images show progression during year or growing season well its mapping at high resolution with internalized calibration (METRIC) is satellite-based image-processing procedure for calculating ET. METRIC has been applied...

This paper presents a rapid, operational method for estimating at-surface albedo applicable to Landsat and MODIS satellite sensors typical cloud-free, low-haze conditions sensor view angles less than 20°. At-surface estimates are required input various surface energy balance models that applied operationally. The calculation was developed using the SMARTS2 radiative transfer model has been in recent versions of University Idaho METRIC as component determining evapotranspiration. procedure...

Quantifying evapotranspiration (ET) from agricultural fields is important for field water management, resources planning, and regulation. Traditionally, ET has been estimated by multiplying the weather-based reference crop coefficients (Kc) determined according to type growth stage. Recent development of satellite remote sensing models enabled us estimate Kc large populations fields. This study evaluated distribution over space time a number individual using maps created based energy balance...

This study estimates the evapotranspiration (ET) from western part of Urmia Lake Basin, Iran, to provide quality spatio-temporal information for use in achieving regional sustainable water management. A "mapping with internalized calibration" (METRIC) ET estimation model was adopted estimate monthly period between 2014–2016 using Landsat 8 satellite imagery. Several refinements are made adjust local environment. The include estimating evaporation saline lake, correction underestimation city...

Estimation of actual evapotranspiration (ET) for the Middle Rio Grande valley in central New Mexico via METRIC surface energy balance model using MODIS and Landsat imagery is described. images are a useful resource estimating ET at large scales when high spatial resolution not required. One advantage satellites that having view angle < ~15° potentially available about every four to five days. The main challenge applying selection two calibration conditions due low MODIS. A procedure...

This study investigated the relationship between backscattering coefficients of a synthetic aperture radar (SAR) and four biophysical parameters rice crops—plant height, green vegetation cover, leaf area index, total dry biomass. A paddy field in Miyazaki, Japan was studied from April to July 2018, which is cultivation season. The SAR were provided by Sentinel-1 satellite. Backscattering two polarization settings—VH (vertical transmitting, horizontal receiving) VV vertical receiving)—were...

METRICTM (Mapping Evapotranspiration at high Resolution and with Internalized Calibration) is an image-processing model comprised of multiple submodels for calculating evapotranspiration (ET) as a residual the surface energy balance. METRIC variant SEBAL, balance process developed in Netherlands by Bastiaanssen. was extended application to mountainous terrain provide tighter integration ground-based reference evapotranspiration. has been applied Landsat images southern Idaho, California, New...

Abstract The speed and direction of air flow through complex terrain are difficult to define. Both impact sensible latent heat flux exchanges at the surface. Evapotranspiration ( ET ) models such as Mapping EvapoTranspiration high Resolution with Internalized Calibration METRIC ™) estimate a residual surface energy process thus sensitive aerodynamics, including terrain‐induced impacts on roughness governing convective transfer H ). There is need explore sensitivities estimation thereby wind...

Evaporation and energy balance components were measured estimated for the American Falls reservoir of SE Idaho during 2004. The this that stores snow-melt is dominated by water heat storage consumes more than one-half net radiation growing season. fluxes from average less 40% alfalfa reference ET, which indicates relatively efficient storage. Some general relationships between albedo as sensed satellite turbidity among air temperature are presented may be useful in satellite-based simulation...

Land degradation of alpine rangeland in Dachigam National Park, Northern India, was evaluated this study using MODerate resolution Imaging Spectroradiometer (MODIS) land products. The park has been used by a variety livestock holders. With increasing numbers livestock, the managers and users are apprehensive about grazing land. However, owing to weak infrastructure for scientific statistical data collection sociopolitical restrictions region, lack quality ground-based weather, vegetation,...

SEBAL (Surface Energy Balance Algorithm for Land) is an image-processing model comprised of twenty-five computational submodels that calculates evapotranspiration (ET) and other energy exchanges at the Earth's surface. uses digital image data collected by Landsat or remote sensing satellites measuring thermal infrared radiation in addition to visible near-infrared. was originally developed Netherlands Bastiaanssen modified during Idaho study application mountainous terrain clear, cold lakes....

Freshwater resources management has become a primary global issue. Improved of agricultural water is important because agriculture the dominant user fresh water. Estimation evapotranspiration (ET) using satellite imagery regarded as an effective tool for improving management. This paper presents progress made in development Evapotranspiration-Index (ETindex) estimation algorithm that applicable to Global Change Observation Mission-Climate (GCOM-C) observation. The computes ET-related...