نتایج جستجو برای: asce penman

تعداد نتایج: 1900  

2017
Fei Gao Gary Feng Ying Ouyang Huixiao Wang Daniel Fisher Ardeshir Adeli Johnie Jenkins

It is often necessary to find a simpler method in different climatic regions to calculate reference crop evapotranspiration (ETo) since the application of the FAO-56 Penman-Monteith method is often restricted due to the unavailability of a comprehensive weather dataset. Seven ETo methods, namely the standard FAO-56 Penman-Monteith, the FAO-24 Radiation, FAO-24 Blaney Criddle, 1985 Hargreaves, P...

Journal: :Global change biology 2014
Ville Kasurinen Knut Alfredsen Pasi Kolari Ivan Mammarella Pavel Alekseychik Janne Rinne Timo Vesala Pierre Bernier Julia Boike Moritz Langer Luca Belelli Marchesini Ko van Huissteden Han Dolman Torsten Sachs Takeshi Ohta Andrej Varlagin Adrian Rocha Altaf Arain Walter Oechel Magnus Lund Achim Grelle Anders Lindroth Andy Black Mika Aurela Tuomas Laurila Annalea Lohila Frank Berninger

In this study latent heat flux (λE) measurements made at 65 boreal and arctic eddy-covariance (EC) sites were analyses by using the Penman-Monteith equation. Sites were stratified into nine different ecosystem types: harvested and burnt forest areas, pine forests, spruce or fir forests, Douglas-fir forests, broadleaf deciduous forests, larch forests, wetlands, tundra and natural grasslands. The...

2017
Robbie A. Hember Nicholas C. Coops David L. Spittlehouse Matthew McCabe

Given the widespread ecological implications that would accompany any significant change in evaporative demand of the atmosphere, this study investigated spatial and temporal variation in several accepted expressions of potential evaporation (PE). The study focussed on forest regions of North America, with 1 km-resolution spatial coverage and a monthly time step, from 1951–2014. We considered P...

2002
D. Bernal S. J. Dyke H.-F. Lam J. L. Beck

The task group on structural health monitoring of the Dynamic Committee of ASCE was formed in 1999 at the 12 Engineering Mechanics Conference. The task group has designed a number of analytical studies on a benchmark structure and there are plans to follow these with an experimental program. The first phase of the analytical studies was completed in 2001. The second phase, initiated in the summ...

2004
Raul Rivas Vicente Caselles

A simplified equation to estimate spatial reference evapotranspiration (ETo_Ts) from remote sensing-based surface temperature (Ts) and local standard meteorological data is suggested. It is based on a parameterization of the meteorological conditions of the first few meters of the atmosphere through two parameters (a and b) which come from a simpler form of the Penman–Monteith equation:

2012
Rhys Whitley Belinda Medlyn Melanie Zeppel Catriona Macinnis-Ng Derek Eamus

17 18 The responses of canopy conductance to variation in solar radiation, vapour pressure deficit and soil 19 moisture have been extensively modelled using a Jarvis-Stewart (JS) model. Modelled canopy 20 conductance has then often been used to predict transpiration using the Penman-Monteith (PM) 21 model. We previously suggested an alternative approach in which the JS model is modified to 22

Journal: :Meteorology, Hydrology and Water Management 2022

1. Adib M.N.M., Harun S., 2022, Metalearning approach coupled with CMIP6 multi-GCM for future monthly streamflow forecasting, Journal of Hydrologic Engineering, 27 (6), DOI: 10.1061/(ASCE)HE.1943-5584.0002176. CrossRef Google Scholar

Journal: :Journal of Investigative Dermatology 2023

Objectives: To find the clinical efficacy and safety of adipose tissue stem cell exosomes as an adjuvant therapy after application fractional CO2 laser for acne scars. Introduction:While ablative FCL resurfacing has demonstrated in scar treatment, patients need better improvement scars sustain side-effects post-procedural wound healing. Therefore, ASCE been tried, with synergistic effects augme...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1965
K Fridborg S Hjertén S Höglund A Liljas B K Lundberg P Oxelfelt L Philipson B Strandberg

* Supported by USPHS grants Al 04153 and CA OF861 and N-SF grant 6B24FF. t NIH special postdoctoral fellow. + USPHS Career Development Awardee. lPenman, S., K. Scherrer, Y. Becker, and J. E. Darnell, these PROCEEDINGS, 49, 654 (196:3). 2 Penman, S., Y. Becker, and J. E. Darnell, J. Mlol. Biol., 8, 541 (1964). 3 Crick, F. H. C., Progr. Nucleic Acid Res., 1, 164 (1963). 4 Schaffer, F. L., in Cold...

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