نتایج جستجو برای: asce penman
تعداد نتایج: 1900 فیلتر نتایج به سال:
The behaviour of various formulas for évapotranspiration of grass in nonrestricted soil water conditions is considered. These are the expressions based on the Penman formula, i.e. "old" Penman, Penman-Monteith, Thorn-Oliver and the version recommended more recently by the FAO. Moreover, the Priestley-Taylor and the Makkink formulas are considered, which are radiation-based. Comparisons are made...
Pengelolaan dalam sistem irigasi sangat penting memenuhi kebutuhan air irigasi. Dengan hal tersebut,peneliti bertujuan untuk menganalisis sehingga dapat diketahui nilai evapotranspirasi pada daerah tanrutedong kabupaten sidrap. Dilakukan dengan pengumpulan data klimatologi yang berupa suhu,kecepatan angin,kelembaban,penyinaran matahari dan penguapan. Metode analisis dilakukan beberapa metode pe...
Large-scale photovoltaic (PV) power plants may affect the hydrological cycle in all its components. Among various components, evapotranspiration is one of most important. As a preliminary step for assessing impacts PV on evapotranspiration, this study, we performed an evaluation study methods estimating reference (ETo). FAO and ASCE recommend Penman–Monteith (PM) method estimation ETo when data...
abstract evapotranspiration as one of the most important components of the hydrologic cycle, plays a key role in water resources management, crop yield simulation and irrigation scheduling. therefore, presenting a low cost and precision model is very essential for calculations of hourly eto. although, there are empirical formulas, their performances are not all satisfactory due to the complicat...
Seismic screening, evaluation, and rehabilitation design of two existing wood-framed structures are performed using FEMA 154, FEMA 356, ASCE/SEI 31, and the 1997 UBC. FEMA 154 screening demonstrates the importance of examining construction drawings. Plans revealed a structural deficiency, but screening alone indicated no further evaluation is needed. Demand-to-capacity ratios for shear walls an...
Draft manuscripts: Authors may post the final drafts of their work on open, unrestricted Internet sites or deposit it in an institutional repository when the draft contains a URL/link to the bibliographic record of the published version in the ASCE Library or Civil Engineering Database. ”Final draft” means the version submitted to ASCE after peer review and prior to copyediting or other ASCE pr...
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 Shahrekord plain (Chaharmahal va Bakhtiari province, Iran). Two sets of Landsat ETM+ data dated June 30th and August 21st, 1999 were provi...
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