نتایج جستجو برای: evapo

تعداد نتایج: 102  

Journal: :Geoscientific instrumentation, methods and data systems 2022

Abstract. Soil evaporation concerns water and our life support sources, which are important for agriculture or climate change prediction science. A simple instrument based on the nonsteady-state (NSS) technique soil measurement appears suitable. However, because NSS chamber is highly invasive, special care should be provided to correct wind speed influence process. a complex process that involv...

Journal: :Geospatial health 2006
Azeb Tadesse Argaw E J Shannon Abraham Assefa Fekade Silassie Mikru Berhane Kidane Mariam John B Malone

Geospatial methods were used to study the associations of the environmental thermal-hydrological regime with leprosy prevalence in the Oromia and Amhara regions of Ethiopia. Prediction models were developed that indicated leprosy prevalence was related to: (i) long-term normal climate grid data on temperature and moisture balance (rain/potential evapo-transpiration); (ii) satellite surveillance...

2009
M. Galleguillos F. Jacob L. Prévot P. Lagacherie S. Liang

Daily Evapo-Transpiration (ET) was spatialized over a Mediterranean vineyard watershed by using ASTER data along with the S-SEBI model. Validation over seven contrasted sites was performed using an original procedure that allowed easier multi-site monitoring without being much expensive. It made use of neutron probe data for calibrating the HYDRUS-1D model that simulates vadoze zone water trans...

2017
E. E. Stüeken E. J. Bellefroid A. Prave D. Asael N. J. Planavsky T. W. Lyons

doi: 10.7185/geochemlet.1725 The Poll a’Mhuilt Member of the Stoer Group (Torridonian Supergroup) in Scotland has been heralded as a rare window into the ecology of Mesoproterozoic terrestrial environments. Its unusually high molybdenum concentrations and large sulphur isotope fractionations have been used as evidence to suggest that lakes 1.2 billion years ago were better oxygenated and enrich...

Journal: :بوم شناسی کشاورزی 0
محمود خرمی وفا نسرین افتخاری نسب کیومرث صیادیان عبدالله نجفی

although the physiological and morphological differences between intercropped species caused a higher wue possibly, most researches on multiple cropping systems have focused on yields and the resources use efficiency (water, light and nutrients) has been less investigated. in addition, optimal use of nitrogen is important to attain sustainable agriculture due to its role in wue improvement. the...

1999
Robert R. Ziemer

For years, the principal objective of evapo-transpiration research has been to calculate the loss of water under varying conditions of climate, soil, and vegetation. The early simple empirical methods have generally been replaced by more detailed models which more closely represent the physical and biological processes involved. Monteith's modification of the original Penman This paper is not s...

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