Results 101 to 110 of about 7,296 (248)

Estimation of Actual Evapotranspiration at Regional Scale using Remote sensing data in Shahrekord Plain (II) Comparing SEBAL and METRIC to Some Mathematical Models of Evapotranspiration

open access: yesعلوم آب و خاک, 2017
This study was designed to investigate the possibility of using the surface energy balance algorithm for land (SEBAL) and mapping evapotranspiration at high resolution with internalized calibration (METRIC) models to estimate evapotranspiration (ET) in ...
A. Morshedi   +3 more
doaj  

Estimativa dos fluxos de energia à superfície e da evapotranspiração real diária utilizando imagens do sensor MODIS/Aqua na Bacia do Rio Ji-Paraná, RO. [PDF]

open access: yes, 2011
Pesquisas relacionadas com análises dos fluxos de energia e demandas de água em uma dimensão regional são fundamentais para a compreensão do comportamento espaço-temporal da mudança de uso e cobertura da terra e sua influência no clima em escala local ...
AGNESE, M. L.   +4 more
core  

Land Data Assimilation: Harmonizing Theory and Data in Land Surface Process Studies

open access: yesReviews of Geophysics, Volume 62, Issue 1, March 2024.
Abstract Data assimilation plays a dual role in advancing the “scientific” understanding and serving as an “engineering tool” for the Earth system sciences. Land data assimilation (LDA) has evolved into a distinct discipline within geophysics, facilitating the harmonization of theory and data and allowing land models and observations to complement and ...
Xin Li   +11 more
wiley   +1 more source

Calibração e validação do modelo SEBAL para as condições semi-áridas do Nordeste brasileiro. [PDF]

open access: yes, 2016
A precisão na determinação da evapotranspiração atual(ET)reduz significativamente incertezas no balanço hídrico de uma bacia hidrográfica. Medidasde ET em áreas de parreirais, pomar de manga e vegetação natural (caatinga) foram feitas no sub médio São ...
BASTIAANSSEN, W. G. M.   +1 more
core  

Using remote sensing and GIS for assessment of irrigation performance in the Al-Hindiyah Barrage, Babil City, Iraq [PDF]

open access: yes, 2016
Problems and concerns over water lack would affect irrigated agriculture. Iraq suffers from shortage water and the principle use of water is for irrigation.
Ahmad, Noordin   +3 more
core   +1 more source

Hybrid Theory‐Guided Data Driven Framework for Calculating Irrigation Water Use of Three Staple Cereal Crops in China

open access: yesWater Resources Research, Volume 60, Issue 3, March 2024.
Abstract Current irrigation water use (IWU) estimation methods confront uncertainties warranting further attention, primarily stemming from constraints within model structure and data quality. This study proposes a hybrid framework that integrates multiple machine learning (ML) methods with theory‐guided strategies to calculate IWU for three principal ...
Yong Bo   +6 more
wiley   +1 more source

Balanço de radiação no Perímetro Irrigado Senador Nilo Coelho utilizando técnicas de sensoriamento remoto e Imagens Landsat 5 - TM. [PDF]

open access: yes, 2019
Deste modo, esta pesquisa se propõe a determinar o saldo de radiação, bem como o balanço de ondas curtase de ondas longas, do perímetro irrigado Senador Nilo Coelho, usando-se imagens do Mapeador Temático doLandsat 5.
COSTA FILHO, J. F. da   +4 more
core  

Análise da evapotranspiração real diária em diferentes classes de uso e cobertura da terra na região do Pantanal. [PDF]

open access: yes, 2019
Nas últimas décadas a comunidade científica mundial tem enfatizado nos mais diversificados meios de comunicação a importância da preservação e/ou uso sustentável dos recursos naturais.
ANDRADE, R. G.   +4 more
core  

Seasonal evaluation of the land surface scheme HTESSEL against remote sensing derived energy fluxes of the Transdanubian region in Hungary [PDF]

open access: yes, 2011
The skill of the land surface model HTESSEL is assessed to reproduce evaporation in response to land surface characteristics and atmospheric forcing, both being spatially variable.
B. van den Hurk   +8 more
core   +2 more sources

Assessment of daily actual evapotranspiration with SEBAL and S-SEBI algorithms in cotton crop Avaliação da evapotranspiração real diária estimada com os algoritmos SEBAL e S-SEBI na cultura do algodão

open access: yesRevista Brasileira de Meteorologia, 2010
The main objective of this study is to assess the daily ET accuracy obtained by remote sensing algorithms in comparison with measurements in situ. The experiment was conducted in the State of Ceará, Brazil, in a cotton experimental field of EMBRAPA using
Carlos Antonio Costa dos Santos   +3 more
doaj   +1 more source

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