نتایج جستجو برای: water balance components

تعداد نتایج: 1044122  

According to World Bank Report (2021), the agricultural sector consumes 70 percent of global freshwater. Therefore, managing and exploiting water resources optimally as well as future planning in this sector is necessary. Limited access to water endowments, unequal distribution of water resources, climate changes and increasing global water demand have increased the importance of the issue. Awa...

ژورنال: علوم آب و خاک 2019

Evaporation is one of the important components in water body’s management, leading to changes in the water level and water balance. Also, its accurate estimation is faced with certain difficulties and complexities. Because of the limitations of physical and empirical methods based on the meteorological data, remote sensing technology can be widely used for evaporation calculation due to its cap...

Journal: :desert 2011
a.r. keshtkar m. mahdavi a. salajegheh h. ahmadi a. sadoddin

the relative impacts of different types of land use on the surface water quality are yet to be ascertained and quantified. in this paper, the influence of different types of land use on surface water quality is investigated. rain events samples from different land use in the central plateau, iran, were analyzed for major ions. statistical analyses were employed to examine the statistical relati...

Journal: :Water 2023

Climate change is expected to affect the quality of soil and water, resulting in a significant impact on water balance various regions around world. Soil potential plays role influencing evapotranspiration (ET), which crucial component balance. The matric osmotic are main components potential. particularly important dry soils, salt-affected coastal lands, or when low-quality utilized for irriga...

2013
Majed Ben Ammar Maher Chaabene Mohsen Ben Ammar

This paper presents the dynamic simulation model to characterize water pumping and heating installation using PV/Thermal panel (PV/T) is developed. The model consists of a set of mathematical equations governing the main components of the system; namely: transparent cover, solar cell, absorber plate and operating fluid. The model is based on the analysis of the energy balance which includes the...

Journal: :Atmosphere 2022

Assessing the impacts of both climate and land use changes on hydrologic variables is crucial for sustainable development water resources natural ecosystems. We conducted a case study catchment in southwestern Australia to assess future changes, separately combination, resource availability. For this evaluation, Soil Water Assessment Tool (SWAT) model was first calibrated then forced by 34 glob...

Journal: :J. Geographic Information System 2011
Abdelhamid Fadil Hassan Rhinane Abdelhadi Kaoukaya Youness Kharchaf Omar Alami Bachir

The study of water resources at watershed scale is widely adopted as approach to manage, assess and simulate these important natural resources. The development of remote sensing and GIS techniques has allowed the use of spatially and physically based hydrologic models to simulate as simply and realistically as possible the functioning of watershed systems. Indeed, the major constraint that has ...

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