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1

Modified Hazen–Williams and Darcy–Weisbach Equations for Friction and Local Head Losses along Irrigation Laterals

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2005

Language:

english

File:

PDF, 170 KB

english, 2005

2

Simplified forms for the standardized FAO-56 Penman–Monteith reference evapotranspiration using limited weather data

Valiantzas, John D.

Journal:

Journal of Hydrology

Year:

2013

Language:

english

File:

PDF, 6.98 MB

english, 2013

3

Explicit Hydraulic Design of Microirrigation Submain Units with Tapered Manifold and Laterals

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2003

Language:

english

File:

PDF, 137 KB

english, 2003

4

New linearized two-parameter infiltration equation for direct determination of conductivity and sorptivity

John D. Valiantzas

Journal:

Journal of Hydrology

Year:

2010

Language:

english

File:

PDF, 1.38 MB

english, 2010

5

Combined Brooks-Corey/Burdine and van Genuchten/Mualem Closed-Form Model for Improving Prediction of Unsaturated Conductivity

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2011

Language:

english

File:

PDF, 1.91 MB

english, 2011

6

Hydraulic Analysis and Optimum Design of Multidiameter Irrigation Laterals

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2002

Language:

english

File:

PDF, 145 KB

english, 2002

7

Explicit Power Formula for the Darcy–Weisbach Pipe Flow Equation: Application in Optimal Pipeline Design

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2008

Language:

english

File:

PDF, 246 KB

english, 2008

8

Closure to “Modified Hazen–Williams and Darcy–Weisbach Equations for Friction and Local Head Losses along Irrigation Laterals” by John D. Valiantzas

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2007

Language:

english

File:

PDF, 93 KB

english, 2007

9

Simplified versions for the Penman evaporation equation using routine weather data

John D. Valiantzas

Journal:

Journal of Hydrology

Year:

2006

Language:

english

File:

PDF, 2.37 MB

english, 2006

10

Simple ET0 Forms of Penman’s Equation without Wind and/or Humidity Data. II: Comparisons with Reduced Set-FAO and Other Methodologies

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2013

Language:

english

File:

PDF, 2.44 MB

english, 2013

11

Simple ET0 Forms of Penman’s Equation without Wind and/or Humidity Data. I: Theoretical Development

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2013

Language:

english

File:

PDF, 1.85 MB

english, 2013

12

Analytical Approach for Direct Drip Lateral Hydraulic Calculation

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

1998

Language:

english

File:

PDF, 597 KB

english, 1998

13

Discussion of “Case Study on the Accuracy and Cost/Effectiveness in Simulating Reference Evapotranspiration in West-Central Florida” by Michael Grant Exner-Kittridge and Mark Cable Rains

Valiantzas, John D.

Journal:

Journal of Hydrologic Engineering

Year:

2012

Language:

english

File:

PDF, 478 KB

english, 2012

14

Discussion of “Equivalent Friction Factor Method for Hydraulic Calculation in Irrigation Laterals” by Pedro Vallesquino and Pedro L. Luque-Escamilla

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2004

Language:

english

File:

PDF, 217 KB

english, 2004

15

Isolation of a 1D Infiltration Time Interval under Ring Infiltrometers for Determining Sorptivity and Saturated Hydraulic Conductivity: Numerical, Theoretical, and Experimental Approach

Pollalis, E. D., Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2015

Language:

english

File:

PDF, 987 KB

english, 2015

16

Inlet Pressure, Energy Cost, and Economic Design of Tapered Irrigation Submains

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2003

Language:

english

File:

PDF, 93 KB

english, 2003

17

Closure to “Simple ET0 Forms of Penman’s Equation without Wind and/or Humidity Data. I: Theoretical Development” by John D. Valiantzas

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2014

Language:

english

File:

PDF, 33 KB

english, 2014

18

Closure to “Explicit Hydraulic Design of Microirrigation Submain Units with Tapered Manifold and Laterals” by John D. Valiantzas

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2005

Language:

english

File:

PDF, 19 KB

english, 2005

19

Continuous Outflow Variation along Irrigation Laterals: Effect of the Number of Outlets

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2002

Language:

english

File:

PDF, 133 KB

english, 2002

20

Simulation of green roof runoff under different substrate depths and vegetation covers by coupling a simple conceptual and a physically based hydrological model

Soulis, Konstantinos X., Valiantzas, John D., Ntoulas, Nikolaos, Kargas, George, Nektarios, Panayiotis A.

Journal:

Journal of Environmental Management

Year:

2017

Language:

english

File:

PDF, 1.34 MB

english, 2017

21

Modification of the Hargreaves–Samani Model for Estimating Solar Radiation from Temperature and Humidity Data

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2018

Language:

english

File:

PDF, 225 KB

english, 2018

22

Temperature-and humidity-based simplified Penman’s ET 0 formulae. Comparisons with temperature-based Hargreaves-Samani and other methodologies

Valiantzas, John D.

Journal:

Agricultural Water Management

Year:

2018

Language:

english

File:

PDF, 1.16 MB

english, 2018

23

Surface water storage independent equation for predicting furrow irrigation advance

John D. Valiantzas

Journal:

Irrigation Science

Year:

2000

Language:

english

File:

PDF, 224 KB

english, 2000

24

An improvement to the one-step outflow method for the determination of soil water diffusivities

Valiantzas, John D., Kerkides, Petros G., Poulovassilis, Alex

Journal:

Water Resources Research

Year:

1988

Language:

english

File:

PDF, 542 KB

english, 1988

25

A simple iterative method for the simultaneous determination of soil hydraulic properties from one-step outflow data

Valiantzas, John D., Kerkides, Petros G.

Journal:

Water Resources Research

Year:

1990

Language:

english

File:

PDF, 728 KB

english, 1990

26

Analysis of Outflow Experiments Subject to Significant Plate Impedance

Valiantzas, John D.

Journal:

Water Resources Research

Year:

1990

Language:

english

File:

PDF, 581 KB

english, 1990

27

Border Advance Using Improved Volume‐Balance Model

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

1993

Language:

english

File:

PDF, 368 KB

english, 1993

28

Explicit Time of Advance Formula for Furrow Design

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

1999

Language:

english

File:

PDF, 172 KB

english, 1999

29

Surface Irrigation Advance Equation: Variation of Subsurface Shape Factor

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

1997

Language:

english

File:

PDF, 771 KB

english, 1997

30

Simplified Reference Evapotranspiration Formula Using an Empirical Impact Factor for Penman’s Aerodynamic Term

Valiantzas, John D.

Journal:

Journal of Hydrologic Engineering

Year:

2013

Language:

english

File:

PDF, 1.22 MB

english, 2013

31

Hydraulic Analysis of Multidiameter Center-Pivot Sprinkler Laterals

Valiantzas, John D., Dercas, Nicholas

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2005

Language:

english

File:

PDF, 131 KB

english, 2005

32

Economic Design of Center-Pivot Sprinkler Laterals

Valiantzas, John D., Dercas, Nicholas

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2004

Language:

english

File:

PDF, 116 KB

english, 2004

33

Identification of the SCS-CN Parameter Spatial Distribution Using Rainfall-Runoff Data in Heterogeneous Watersheds

Konstantinos X. Soulis, John D. Valiantzas

Journal:

Water Resources Management

Year:

2013

Language:

english

File:

PDF, 686 KB

english, 2013

34

Optimal Furrow Design. II: Explicit Calculation of Design Variables

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2001

Language:

english

File:

PDF, 117 KB

english, 2001

35

Explicit Volume Balance Model Solution

Valiantzas, John D., Alazba, A. A.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2001

Language:

english

File:

PDF, 55 KB

english, 2001

36

Volume Balance Irrigation Advance Equation: Variation of Surface Shape Factor

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

1997

Language:

english

File:

PDF, 613 KB

english, 1997

37

Simplified limited data Penman’s ET0 formulas adapted for humid locations

Valiantzas, John D.

Journal:

Journal of Hydrology

Year:

2015

Language:

english

File:

PDF, 1.47 MB

english, 2015

38

Rapid Graphical Detection of Weakness Problems in Numerical Simulation Infiltration Models Using a Linearized Form Equation

Valiantzas, John D., Pollalis, E. D., Soulis, K. X., Londra, P. A.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2011

Language:

english

File:

PDF, 660 KB

english, 2011

39

Closure to “Continues Outflow Variation along Irrigation Laterals: Effect of the Number of Outlets” by John D. Valiantzas

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2003

Language:

english

File:

PDF, 111 KB

english, 2003

40

Closure to “Inlet Pressure, Energy Cost, and Economic Design of Tapered Irrigation Submains” by John D. Valiantzas

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2005

Language:

english

File:

PDF, 95 KB

english, 2005

41

Discussion of “Linear Solution for Hydraulic Analysis of Tapered Microirrigation Laterals” by Gürol Yildirim and Necati Ağiralioğlou

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2005

Language:

english

File:

PDF, 170 KB

english, 2005

42

Discussion of “Comparison of Different Empirical Methods for Estimating Daily Reference Evapotranspiration in Mediterranean Climate” by Ozgur Kisi

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2015

Language:

english

File:

PDF, 997 KB

english, 2015

43

Simple Method for Identification of Border Infiltration and Roughness Characteristics

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

1994

Language:

english

File:

PDF, 810 KB

english, 1994

44

Discussion of “Estimation of Surface Volume in Hydrological Models for Border Irrigation” by Joaquín Monserrat and Javier Barragán

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2000

Language:

english

File:

PDF, 161 KB

english, 2000

45

Optimal Furrow Design. I: Time of Advance Equation

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2001

Language:

english

File:

PDF, 154 KB

english, 2001

46

Simplified equations for the determination of the hydraulic properties of horticultural substrates by one-step outflow experiments

Valiantzas, John D., Londra, Paraskevi A.

Journal:

Journal of Plant Nutrition and Soil Science

Year:

2012

Language:

english

File:

PDF, 217 KB

english, 2012

47

Discussions and Closure: Volume Balance Irrigation Advance Equation: Variation of Surface Shape Factor

Maheshwari, B. L., Esfandiari, M., Monserrat, Joaquin, Barragán, Javier, Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

1998

Language:

english

File:

PDF, 734 KB

english, 1998

48

Discussion of “Evaluation of Valiantzas’ Simplified Forms of the FAO-56 Penman-Monteith Reference Evapotranspiration Model in a Humid Climate” by Koffi Djaman, Daran Rudnick, Valere C. Mel, Denis Mutiibwa, Lamine Diop, Mamadou Sall, Isa Kabenge, Ansoumana Bodian, Hossein Tabari, and Suat Irmak

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2018

Language:

english

File:

PDF, 343 KB

english, 2018

49

Closure to “Modification of the Hargreaves–Samani Model for Estimating Solar Radiation from Temperature and Humidity Data” by John D. Valiantzas

Valiantzas, John D.

Journal:

Journal of Irrigation and Drainage Engineering

Year:

2019

Language:

english

File:

PDF, 32 KB

english, 2019

50

Discussion of âAssessment of Artificial IntelligenceâBased Models and Metaheuristic Algorithms in Modeling Evaporationâ by Mohammad Zounemat-Kermani, Ozgur Kisi, Jamshid Piri, and Amin Mahdavi-Meymand

Valiantzas, John D.

Journal:

Journal of Hydrologic Engineering

Year:

2020

File:

PDF, 485 KB

2020

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