Research Hydrologist, School of Natural Resources, 

University of Nebraska - Lincoln, Lincoln, NE, 68588-0517,

Ph: (402) 472-9667, Fax: (402) 472-3471, E-mail:



Watershed hydrology; Application of GIS to watershed/regional 

scale problems in hydrology; Nonlinear models in surface water-

soil moisture-groundwater interactions; Coupling of remotely 

sensed data with GIS in catchment/aquifer parameterization; 

Land-atmosphere interactions, evaporation; Hydrologic forecasting



Ph.D. in Hydrologic Science, University of California, Davis (1997) 

         Advisor: Marc Parlange

M. S. in Hydrology, University of New Hampshire (1994)

M. S. in Meteorology, Eotvos University, Budapest, Hungary (1989) 




Alfred Hille Prize of the Hungarian Meteorological Society, 1989

University of California Tuition Fellowship 1995, 1996

Janos Bolyai Research Fellowship of the Hungarian Academy of Sciences, 2001

Doctor of Science degree of the Hungarian Academy of Sciences, 2005

Associate Editor of Journal of Hydrology, 2005-2007, 2016-2017

Associate Editor of Water Resources Research, 2008-2009



Books, lecture notes

69/ Szilagyi, J. & Szollosi-Nagy, A., 2010. Recursive Streamflow

Forecasting: A State-Space Approach, CRC Press, Taylor & Francis, pp. 212,

ISBN 978-0-415-56901-9.


53/ Szilagyi, J. and Szollosi-Nagy, A., 2008. Streamflow forecasting using a

physically based state-space approach to flow routing, Lecture Notes,

Department of Hydraulic and Water Resources Engineering, Budapest

University of Technology and Economics, pp. 145.


Book chapters

78/ Szilagyi, J., 2013. Recent updates of the Calibration-Free Evapotranspiration
Mapping (CREMAP) method
, in
Alexandris, S. (ed.) Evapotranspiration – An Overview,
Rijeka, Croatia, ISBN 980-953-307-541-4,


70/ Szilagyi, J. Kovacs, A., Jozsa, J., 2011. A calibration-free evapotranspiration

mapping (CREMAP) technique, in Evaporation, INTECH, Rijeka, Croatia,

 ISBN 978-953-307-251-7,



41/ Szilagyi, J., Balint, G., Csik, A., Gauzer, B., Horoszne-Gulyas, M., 2006.

Simulation of the superimposition of floods in the Upper Tisza Region,

 in "Transboundary Floods: Reducing Risks Through Flood Management",

Marsalek, J., Stancalie, G., and Balint, G. (Eds.), NATO Science Series,

IV. Earth and Environmental Sciences 72, Springer, Dordrecht, Netherlands.


Digital maps

18/ Summerside, S. E., Dreeszen, V. H., Hartung, S. L., Khisty, M. J., Szilagyi, J., 2001. Update and Revision of 1x2 Degree

Water Table Configuration Maps for the State of Nebraska, Conservation and Survey Division, University of 



Professional papers

102/ Szilagyi, J., Crago, R., Qualls, R. J, 2017. A calibration-free formulation of the complementary relationship of evaporation for continental-scale hydrology, Journal of Geophysical Research-Atmospheres, 122, doi:10.1002/2016JD025611.

101/ Crago, R., Szilagyi, J., Qualls, R., Huntington J, 2016. Rescaling the complementary relationship for land surface evaporation, Water Resources Research, 52, 8461–8471, doi:10.1002/

100/ Szilagyi, J., Crago, R., Qualls, R. J, 2016. Testing the generalized complementary relationship of evaporation with continental-scale long-term water-balance data, Journal of Hydrology, 540, 914-922.

99/ Szilagyi, J., 2016. Recent trends in land surface evapotranspiration across the  contiguous United States, Journal of Hydrology and Environment Research, 4(1), 1-8.

98/ Ma, N., Szilagyi, J., Niu, G.-Y., Zhang, Y., Zhang, T., Wang, B., Wu, Y., 2016. Evaporation variability of Nam Co Lake in the Tibetan Plateau and its role in recent rapid lake expansion, Journal of Hydrology, 537, 27-35.


97/ Wang, T., Franz, T., Yue, W., Szilagyi, J., Zlotnik, V., You, J., Chen, X., Shulski, M. D., Young, A., 2016.

Feasibility analysis of using inverse modeling for estimating natural groundwater recharge

from a large-scale soil moisture monitoring network, Journal of Hydrology, 533, 250-265.


96/ Szilagyi, J., 2015. Complementary-relationship-based 30-year normals (1981-2010)

of monthly latent heat fluxes across the contiguous United States,

Water Resources Research, doi:10.1002/2015WR017693.


95/ Ma, N., Zhang, Y., Xu, C.-Y., Szilagyi, J., 2015. Modeling

actual evapotranspiration with routine meteorological variables in the data

scarce region of the Tibetan Plateau: comparisons and implications,

Journal of Geophysical Research-Biogeosciences, 120, 1-20, doi:10.1002/2015JG003006.


94/ Szilagyi, J., 2015. Water balance validation of a temperature dependent

parameter value of the Priestley-Taylor equation of evapotranspiration,

Journal of Hydrology and Environment Research, 3(1), 1-5.


93/  Szilagyi, J., 2015. Comment on “Revised coefficients for Priestley-Taylor and

Makkink-Hansen equations for estimating daily reference evapotranspiration”

by N.C. Cristea, S.K. Kampf, and S. J. Burges, published in Journal of Hydrologic Engineering,

18(10), 1289-1300, Journal of Hydrology and Environment Research, 3(1), 67-70.


 92/ Ma, N., Zhang, Y., Szilagyi, J., Guo, Y., Zhai, J., Gao, H., 2015. Evaluating the

complementary relationship of evapotranspiration in the alpine steppe of the

Tibetan Plateau, Water Resources Research, doi: 10.1002/2014WR015493.


91/ Szilagyi, J. 2015. Testing the rationale behind an assumed linear

relationship between evapotranspiration and land surface temperature,

Journal of Hydrologic Engineering, 10.1061/(ASCE)HE.1943-5584.0001091, 04014073.


90/ Szilagyi, J., Parlange, M. B., Katul, G. G., 2014. Assessment of the

Priestley-Taylor parameter value from ERA-Interim global reanalysis data,

Journal of Hydrology and Environment Research, 2(1), 1-7.


89/ Rossman, N. R., Zlotnik, V. A., Rowe, C. M., Szilagyi, J., 2014. Vadose zone

lag time and potential 21st century climate change effects on spatially distributed

groundwater recharge in the semiarid Nebraska Sand Hills, Journal of Hydrology,

519, 656-669. 


88/ Szilagyi J., 2014. Temperature corrections in the Priestley-Taylor equation

of evaporation, Journal of Hydrology,519, 455-464.


87/ Szilagyi, J., 2014. MODIS-aided water-balance investigations in the

Republican River basin, USA, Periodica Polytechnica-Civil Engineering, 58(1), 33-46.


86/ Szilagyi, J and Schepers, A., 2014. Coupled heat and vapor transport:

the thermostat effect of a freely evaporating land surface, Geophysical Research

Letters, doi:10.1002/2013GL058979.


85/ Gates, J. B., Steele, G. V., Nasta, P., Szilagyi, J., 2014. Lithologic influences

on groundwater recharge through incised glacial till from profile to regional scales:

Evidence from glaciated Nebraska, Water Resources Research, 50, 1-16, doi:10.1002/2013WR014073.


84/ Szilagyi J., Laurinyecz, P., 2014. Accounting for back-water effects in flow routing

by the Discrete Linear Cascade Model, Journal of Hydrologic Engineering, 19(1), 69-77,



83/ Szilagyi, J., 2013. Application of MODIS-based evapotranspiration rates

in runoff modeling: a case study in Nebraska, USA, Open Journal of Modern

Hydrology, 3(4), 172-178.


82/ McMahon, T. A., Peel, M. C., Szilagyi, J., 2013. Comment on the

application of the Szilagyi-Jozsa advection-aridity model for estimating

actual terrestrial evapotranspiration in “Estimating actual, potential, reference

crop and pan evaporation using standard meteorological data: a pragmatic synthesis”

by McMahon et al. (2013), Hydrolology and Earth System Sciences, 17, 4865-4867.


81/ Gribovszki, Z., Kalicz, P., Szilagyi, J., 2013. Does the accuracy

of fine-scale water level measurements by vented pressure transducers

permit for evapotranspiration estimation?, Journal of Hydrology, 488, 166-169.


80/ Szilagyi, J., Zlotnik, V., Jozsa, J., 2013. Net recharge versus

depth to groundwater relationship in the Platte River Valley

of Nebraska, USA, Ground Water, 51(6), 945-951, doi:10.1111/gwat.12007.


79/ Szilagyi, J., Jozsa, J. 2013. MODIS-aided statewide net

groundwater-recharge estimation in Nebraska, Ground Water, 51(5), 735-744,



77/ Szilagyi, J. 2012. Measuring evaporation by satellites and

washbowls (in Hungarian), Elet es Tudomany 2012/26, 806-809.


76/ Szilagyi, J., 2012. Comment on "Assessing interannual variability

of evapotranspiration at the catchment scale using satellite-based

evapotranspiration data" by Lei Cheng et al., Water Resources

Research, 48, W03801, doi:10.1029/2011WR011538.


 75/ Szilagyi, J., Kovacs, A., Jozsa, J., 2012. Estimation of spatially

distributed mean annual recharge rates in the Danube-Tisza

interfluvial region of Hungary Journal of Hydrology and Hydromechanics,

60(1), 64-72.


74/ Gribovszki, Z., Kalicz, P., Szilagyi, J., 2011. Numerical validation

of a diel streamflow-pattern based evapotranspiration estimation

method, Acta Silvatica et Lignaria Hungarica, 7, 63-74.


73/ Szilagyi, J., Gribovszki, Z., Kalicz, P., 2011. Comment on

"Interference of river level changes on riparian zone evapotranspiration

estimates from diurnal groundwater level fluctuations" by Zhu et al.,

Journal of Hydrology, 409, 578-579.


72/ Szilagyi, J., Zlotnik, V., Gates, J., Jozsa, J. 2011. Mapping

mean annual groundwater recharge in the Nebraska Sand Hills, USA,

Hydrogeology Journal, DOI: 10.1007/s10040-011-0769-3.


71/ Huntington, J. L., Szilagyi, J., Tyler, S. W., Pohll, G. M., 2011.

Evaluating the complementary relationship for estimating

evaporation from arid shrublands, Water Resources Research,

doi:10.1029/2010WR009874, 47, W05533.


68/ Szilagyi, J., Kovacs, A., 2011. A calibration-free evapotranspiration

mapping technique for spatially-distributed regional-scale

hydrologic modeling, Journal of Hydrology and Hydromechanics, 59(2), 118-130.


67/ Szilagyi, J., Kovacs, A., 2010. Complementary-relationship-based

evapotranspiration mapping (CREMAP) technique for Hungary,

Periodica Polytechnica-Civil Engineering, 54(2), 95-100.


66/ Szilagyi, J., 2010. Comment on 'Estimation of the water balance using

observed soil water in the Nebraska Sandhills' by V. Sridhar and

K. G. Hubbard, Journal of Hydrologic Engineering, 15(12), 1075.


65/ Gribovszki Z., Szilagyi, J., Kalicz P., 2010. Diurnal fluctuations in

shallow groundwater levels and in streamflow rates and their interpretation

 - a review, Journal of Hydrology, 385, 371-383.


64/ Szilagyi, J., 2009. Comment on ‘Power-law catchment-scale recessions

arising from heterogeneous linear small-scale dynamics’ by Harman, C. J.,

Sivapalan, M., and Kumar, P., Water Resources Research, 45, W12601,



63/ Szilagyi, J., Jozsa, J., 2009. Complementary relationship of evaporation

and the mean annual water-energy balance, Water Resources Research,

45, W09201, doi:10.1029/2009WR008129.


62/ Szilagyi, J., Jozsa, J., 2009. Analytical solution of the coupled 2-D

 turbulent heat and vapor transport equations and the complementary

relationship of evaporation, Journal of Hydrology, 372: 61-67.


61/ Szilagyi, J., Jozsa, J., 2009. Estimating spatially distributed monthly

evapotranspiration rates by linear transformations of MODIS daytime

land surface temperature data, Hydrology and Earth System Science,

13(5): 629-637.


60/ Szilagyi, J. and Jozsa, J., 2009. An evaporation estimation method

based on the coupled 2-D turbulent heat and vapor transport equations,

Journal of Geophysical Research, 114: D06101, doi:10.1029/2008JD010772.


59/ Szilagyi, J., Hobbins, M. T., Jozsa, J., 2009. A modified Advection-

Aridity model of evapotranspiration, Journal of Hydrologic Engineering,

14(6): 569-574.


58/ Kovacs A., Szilagyi, J., 2009. Estimating evaporation of shallow great

lakes of Hungary, II (in Hungarian), Hidrologiai Kozlony, 89(2): 51-56.


57/ Kovacs A., Szilagyi, J., 2009. Estimating evaporation of shallow great

lakes of Hungary, I (in Hungarian), Hidrologiai Kozlony, 89(2): 47-50.


56/ Gribovszki Z., Kalicz P., Szilagyi J., 2009. Diurnal changes in hydrological

variables (in Hungarian), Hidrologiai Kozlony, 89(2): 23-37.


55/ Gribovszki, Z., Kalicz, P., Kucsara, M., Szilagyi, J., Vig, P., 2008.

Evapotranspiration calculation on the basis of the riparian zone water balance,

Acta Silvatica et Lignaria Hungarica, 4: 95-106.


54/ Gribovszki, Z., Kalicz, P., Szilagyi, J., Kucsara, M., 2008. Estimation of riparian

evapotranspiration from diurnal changes in groundwater level (in Hungarian),

Hidrologiai Kozlony, 88(4): 5-17.


52/ Szilagyi, J., Jozsa, J., 2008. Climate change and the water cycle

(in Hungarian), Magyar Tudomany (Hungarian Science), 2008(6): 698-703.


51/ Szilagyi, J., Jozsa, J. 2008. New findings about the Complementary

Relationship-based evaporation estimation methods,

Journal of Hydrology, 354: 171-186.


50/ Szilagyi J., Pinter, N., Venczel, R., 2008. Application of a routing

model for detecting channel flow changes with minimal data,

Journal of Hydrologic Engineering, 13(6): 521-526.


49/ Gribovszki, Z., Kalicz, P., Szilagyi, J., Kucsara, M., 2008. Riparian zone

evapotranspiration estimation from diurnal groundwater level fluctuations,

Journal of Hydrology 349(1-2): 6-17.


48/ Szilagyi, J., Gribovszki, Z., Kalicz, P., Kucsara, M., 2008. On diurnal

riparian-zone groundwater level and streamflow fluctuations,

 Journal of Hydrology 349(1-2): 1-5.


47/ Szilagyi, J., 2008. Comment on “Comparison of 15 evaporation

models applied to a small mountain lake in the northeastern USA”

by D. O. Rosenberry, T. C. Winter, D. C. Buso, and G. E. Likens,

Journal of Hydrology 348(3-4): 564-565.


46/ Szilagyi, J., 2007. Hungarian national report on IAHS: 2003-2006,

Acta Geodaetica et Geophysica Hungarica, 42(2): 227-233.


45/ Szilagyi, J., 2007. Analysis of the nonlinearity in the hillslope runoff

response to precipitation through numerical modeling, Journal of Hydrology,

337: 391-401.


44/ Szilagyi, J., Gribovszki, Z., and Kalicz, P., 2007. Estimation of catchment-

scale evapotranspiration from baseflow recession data: numerical model and

practical application results, Journal of Hydrology, 336: 206-217.


43/ Szilagyi, J., 2007. Improving streamflow forecast accuracy with

the help of the Jones-formula (in Hungarian, with English summary),

Vizugyi Kozlemenyek, 2004(3).


42/ Szilagyi, J., 2007. On the inherent asymmetric nature of the complementary

relationship of evaporation, Geophysical Research Letters, 34, L02405,



40/ Szilagyi, J., 2006. Comment on "Evaluation of the impact of

groundwater irrigation on streamflow in Nebraska" by F. Wen

and X, Chen, Journal of Hydrology, 331: 605.


39/ Szilagyi, J., 2006. Comment on "Using numerical modelling to

evaluate the capillary fringe groundwater ridging hypothesis of

streamflow generation" by H. L. Cloke, M. G. Anderson, J. J.

McDonnell, and J. P. Renaud, Journal of Hydrology, 329: 724-729.


38/ Szilagyi, J., 2006. Discrete state-space approximation of the

continuous Kalinin-Milyukov-Nash cascade of noninteger

storage elements, Journal of Hydrology, 328: 132-140.


37/ Szilagyi, J., Parlange, M. B., Balint, G., 2006. Assessing

stream-aquifer interactions through inverse modeling of flow

routing, Journal of Hydrology, 327: 208-218.


36/ Szilagyi, J., Balint, G., Csik, A., 2006. A hybrid, Markov-chain-based

model for daily streamflow generation at multiple catchment

 sites, Journal of Hydrologic Engineering, 11(3): 245-256.


35/ Szilagyi, J., Balint, G., Gauzer, B., Bartha, P., 2005. Flow routing

with unknown rating curves using a state-space

reservoir-cascade-type formulation, Journal of Hydrology,

311: 219-229.


34/ Szilagyi, J., 2005. Extension of the Discrete Linear Cascade

Model for noninteger number of storage elements (in Hungarian),

Hidrologiai Kozlony, 85(1): 37-41.


33/ Szilagyi, J., Harvey, F. E., and Ayers, J., 2005. Regional

estimation of total recharge to ground water in Nebraska,

Ground Water, 43(1): 63-69.


32/ Szilagyi, J., 2004. Heuristic continuous baseflow separation,

Journal of Hydrologic Engineering, 9(4): 1-8.


31/ Szilagyi, J., 2004. Vadose zone influences on aquifer parameter

estimates of saturated-zone hydraulic theory, Journal of Hydrology,

286: 78-86.


30/ Szilagyi, J., 2004. Accounting for stream-aquifer interactions

in the state-space discretization of the Kalinin-Milyukov-Nash

cascade for streamflow forecasting, Journal of Hydrologic

Engineering, 9(2): 135-143.


29/ Szilagyi, J., 2004. Comment on "A reappraisal of the

Kalman filtering technique, as applied in river flow

forecasting" by M. Ahsan and K. M. O'Connor, Journal

of Hydrology, 285: 286-289.


28/ Szilagyi, J., 2003. State-space discretization of the

Kalinin-Milyukov-Nash cascade in a sample-data system

framework for streamflow forecasting, Journal of Hydrologic

Engineering, 8(6): 339-347.


27/ Szilagyi, J., 2003. Sensitivity analysis of aquifer parameter

estimations based on the Laplace equation with linearized

boundary conditions, Water Resources Research, 39(6) art.# 1156.


26/ Szilagyi, J., Harvey, F. E. and Ayers, J. F., 2003. Regional

estimation of base recharge to ground water using water

balance and a base-flow index, Ground Water, 41(4): 504-513.


25/ Szilagyi, J., 2002. Comment on "The hydrology and hydro-

meteorology of extreme floods in the Great Plains of eastern

Nebraska" by Y. Zhang, J. A. Smith and M. L. Baeck,

Advances in Water Resources, 25(6): 701-702


24/ Szilagyi, J., 2002. Vegetation indices to aid areal 

evapotranspiration estimations, Journal of Hydrologic

Engineering, 7(5): 368-372.


23/ Szilagyi, J., Parlange, M. B., Patz, J. A., and Graczyk, 

T. K., 2002. Sensitivity of watershed runoff under humid 

conditions to potential climate variations, Journal of 

Environmental Engineering, 128(7): 635-642.


22/ Szilagyi, J., Katul, G. G. and Parlange, M. B., 2001. 

Evapotranspiration intensifies over the conterminous United 

States, Journal of Water Resources Planning and Management, 

127(6): 361-370.


21/ Parlange, J. Y., Stagnitti, F., Heilig, A., Szilagyi, J., Parlange, 

M. B., Steenhuis, T. S., Hogarth, W. L., Barry, D. A., and Li, L., 

2001. Sudden drawdown and drainage of a horizontal aquifer

Water Resources Research, 37(8): 2097-2101.


20/ Szilagyi, J., 2001. Modeled areal evaporation trends over 

the conterminous United States, Journal of Irrigation and 

Drainage Engineering, 127(4): 196-200.


19/ Szilagyi, J., 2001. On Bouchet's complementary hypothesis 

Journal of Hydrology, 146: 155-158.


17/Szilagyi, J., 2001. Identifying the cause of declining 

flows in the Republican River, USA, Journal of Water                                                                

Resources Planning and Management, 127(4): 244-253.


16/ Szilagyi, J., 2000. Can a vegetation index derived from 

remote sensing be indicative of areal transpiration? 

Ecological Modelling, 127: 65-79.


15/ Szilagyi, J., 1999. Streamflow depletion investigations 

in the Republican River basin: Colorado, Nebraska, and 

Kansas Journal of Environmental Systems, 27(3): 251-263.


14/ Szilagyi, J. and M. B. Parlange, 1999. Defining watershed-

scale evaporation using a Normalized Difference Vegetation 

Index, Journal of the American Water Resources Association

35(5): 1245-1255.


13/ Szilagyi, J. and M. B. Parlange, 1999. A geomorphology-

based semi-distributed watershed model, Advances in Water

Resources, 23: 177-187.


12/ Szilagyi, J., 1999. On the use of semi-logarithmic plots 

for baseflow separation, Ground Water, 37(5): 660-662.


11/ Szilagyi, J., M. B. Parlange, G. G. Katul, and J. D. 

Albertson, 1999. An objective method for determining 

principal time scales of coherent eddy structures using 

orthonormal wavelets, Advances in Water Resources, 22(6):



10/ Szilagyi, J., M. B. Parlange and J. D. Albertson, 1998. 

Recession flow analysis for aquifer parameter 

determination Water Resources Research, 34(7): 1,851-1,857.


9/ Szilagyi, J., M. B. Parlange, D. C. Rundquist, and D. C. 

Gosselin, 1998. NDVI relationship to monthly evaporation 

Geophysical Research Letters, 25(10): 1,753-1,756.


8/ Szilagyi, J. and M. B. Parlange, 1998. Baseflow separation 

based on analytical solutions of the Boussinesq equation

Journal of Hydrology, 204: 251-260.


7/ Szilagyi, J. and C. J. Vorosmarty, 1997. Water-balance 

modeling in a changing environment: reductions in 

unconfined aquifer levels in the area between the Danube 

and Tisza Rivers in Hungary, Journal of Hydrology and 

Hydromechanics, 45: 348-364.


6/ Szilagyi, J., G. G. Katul, M. B. Parlange, J. D. Albertson and 

A. T. Cahill, 1996. The local effect of intermittency on the 

inertial subrange energy spectrum of the atmospheric 

surface layer, Boundary Layer Meteorology, 79(1-2): 35-50.


5/ Szilagyi, J. and C. J. Vorosmarty, 1993. Modeling 

groundwater subsidence in the area between the Danube 

and Tisza Rivers (in Hungarian, with English summary), 

Vizugyi Kozlemenyek, 75: 3.


4/ Szilagyi, J., 1992. Why can the weighting parameter of 

the Muskingum channel routing method be negative? 

Journal of Hydrology, 138: 145-151.


3/ Szilagyi, J., 1991. A new adaptive, stochastic method 

for real time river forecasting (The introduction of the 

Moving Window Model), (in Hungarian, with English 

summary), Vizugyi Kozlemenyek, 73: 2.


2/ Szilagyi, J., 1991. Solving the contradictions of the 

Muskingum-method, (in Hungarian, with English summary), 

Vizugyi Kozlemenyek, 73: 1.


1/ Szilagyi, J., 1989. Climate change effects on the 

performance of a reservoir, (in Hungarian, with English 

summary), Vizugyi Kozlemenyek, 71: 2.


Morton's WREVAP documentation