نتایج جستجو برای: sebal algorithm

تعداد نتایج: 754122  

ژورنال: علوم آب و خاک 2020

Agricultural water management studies require accurate information on actual evapotranspiration. This information must have sufficient spatial detail to allow analysis on the farm or basin level. The methods used to estimate evapotranspiration are grouped into two main groups, which include direct methods and indirect or computational methods. Basics of the indirect methods are based on the rel...

2010
Freddy SORIA So KAZAMA

Are investigated climate change impacts on glacier melt discharge in the tropical Andes given its relevance to water resources. The means are the investigation of net radiation and potential glacier melt trends. For such purposes is assessed the investigation of the Surface and Energy Balance algorithm (SEBAL) performance, and is carried a practical application to establish the relevance of the...

Journal: :Theoretical and Applied Climatology 2021

Precise calculations for determining the water requirements of plants and extent evapotranspiration are crucial in volume consumed plant production. In order to estimate over an extended area, different remote sensing algorithms require numerous climatological variables; however, variable measurements cover only limited areas thus resulting into erroneous areas. The exploiting both data mining ...

2008
S. Opoku-Duah D.N.M. Donoghue T. P. Burt

This paper compares evapotranspiration estimates from two complementary satellite sensors - NASA's Moderate Resolution Imaging Spectroradiometer (MODIS) and ESA's ENVISAT Advanced Along-Track Scanning Radiometer (AATSR) over the savannah area of the Volta basin in West Africa. This was achieved through solving for evapotranspiration on the basis of the regional energy balance equation, which wa...

Journal: :Sustainability 2021

Spatio-temporal distribution of irrigation water components was evaluated at the canal command area in Indus Basin Irrigation System (IBIS) by using a remote sensing-based geo-informatics approach. Satellite-derived MODIS product-based Surface Energy Balance Algorithm for Land (SEBAL) used estimation actual evapotranspiration (ETa). The ground data-based advection aridity method (AA) to calibra...

2006
Okke Batelaan Le Quoc Hung

Monitoring of water and energy fluxes is a requirement for assessment of climate and anthropogenic effects on natural and agricultural ecosystems [i]. These fluxes consist of the physical transfers between soil, vegetation and atmosphere. In order to describe these transfers, on local, regional or global scale, and the changes taking place in the compartments it is necessary to have measurement...

Journal: :Isprs Journal of Photogrammetry and Remote Sensing 2021

The geeSEBAL application estimates and displays evapotranspiration maps times series based on Landsat images global meteorological data from ERA5 Land reanalysis. Codes applications are available at https://github.com/et-brasil/geesebal https://etbrasil.org/geesebal , respectively. Accurate estimation of ( ET ) is essential for several in water resources management. models using remote sensing ...

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