Measurement of Unirrigated Turfgrass Evapotranspiration Rate in the Red River Valley

Turfgrass actual evapotranspiration (ETa) measurements are critical for water management and irrigation scheduling. With no historical ETa measurements in eastern North Dakota, turfgrass ETa rates were measured with the residual method using eddy covariance instrumentation and two arrays of soil moisture sensors on unirrigated turfgrass under natural conditions in the 2011, 2012, and 2013 growing seasons. An on-site weather station provided weather data to calculate the standardized grass-based reference evapotranspiration (ETo) (Allen et al., 2005). The daily ETa/ETo ratios were screened using the criteria of soil moisture 350% of available water for the top 30 cm of the root zone, rain amounts £10 mm, and a recovering period after drought. The screened monthly average ETa/ETo ratios for the unirrigated turfgrass were 1.03, 0.98, 0.94, 0.90, 0.82, and 1.18 from May to October. The mean ETa/ETo ratio for the entire growing seasons was 0.96, implying that the American Society of Civil Engineering–Environmental and Water Resource Institute ETo method was valid for guiding the turfgrass ETa calculation even in unirrigated and cold climate conditions. Because this is the first reported study on ETa measurement of a turfgrass site, the limited data can provide a baseline on water management for turfgrass under various weather conditions in this region. The results indicated that a monthly refinement of ETa/ETo values might be required to maintain the landscape turfgrass quality more precisely in terms of water management.

[1]  John Fitzmaurice,et al.  Field Performance of Five Soil Moisture Instruments in Heavy Clay Soils , 2015 .

[2]  Fei Tian,et al.  Comparison of ET estimations by the three-temperature model, SEBAL model and eddy covariance observations , 2014 .

[3]  Aaron A. Berg,et al.  Laboratory Calibration Procedures of the Hydra Probe Soil Moisture Sensor:Infiltration Wet‐Up vs. Dry‐Down , 2014 .

[4]  F. Yuan,et al.  Estimating the Contribution of Groundwater to the Root Zone of Winter Wheat Using Root Density Distribution Functions , 2018 .

[5]  D. Baldocchi.  Assessing the eddy covariance technique for evaluating carbon dioxide exchange rates of ecosystems: past, present and future , 2003 .

[6]  I. A. Walter,et al.  The ASCE standardized reference evapotranspiration equation , 2005 .

[7]  L. S. Pereira,et al.  Evapotranspiration information reporting: I. Factors governing measurement accuracy , 2011 .

[8]  D. Steele,et al.  Development and Comparison of Soil Water Release Curves for Three Soils in the Red River Valley , 2018 .

[9]  D. K. Fisher,et al.  Application of an energy balance method for estimating evapotranspiration in cropping systems , 2018 .

[10]  Michael D. Dukes,et al.  Bahiagrass crop coefficients from eddy correlation measurements in central Florida , 2009, Irrigation Science.

[11]  X. Jia,et al.  Comparison of Reference Evapotranspiration Calculations for Southeastern North Dakota , 2013 .

[12]  Calibrating Net Solar Radiation of FAO56 Penman-Monteith Method to Estimate Reference Evapotranspiration , 2013 .

[13]  Abolfazl Majnooni-Heris,et al.  Evaluation of Single and Dual Crop Coefficient Methods for Estimation of Wheat and Maize Evapotranspiration , 2015 .

[14]  Ali Rashid Niaghi,et al.  Determination of Grass Evapotranspiration Rates and Crop Coefficients Using Eddy Covariance Method in Eastern North Dakota , 2017 .

[15]  Lu Zhang,et al.  Evapotranspiration and crop coefficient of spring maize with plastic mulch using eddy covariance in northwest China , 2008 .

[16]  José O. Payero,et al.  Guidelines for validating Bowen ratio data , 2003 .

[17]  J. Norman,et al.  Correcting eddy-covariance flux underestimates over a grassland , 2000 .

[18]  Anzhi Wang,et al.  Comparison of methods for estimating evapotranspiration rate of dry forest canopy: Eddy covariance, Bowen ratio energy balance, and Penman-Monteith equation , 2008 .

[19]  Marvin E. Jensen,et al.  Evaporation, Evapotranspiration, and Irrigation Water Requirements , 2016 .

[20]  W. Bastiaanssen.  SEBAL-based sensible and latent heat fluxes in the irrigated Gediz Basin, Turkey , 2000 .

[21]  Terry A. Howell,et al.  Calibration and Scale Performance of Bushland Weighing Lysimeters , 1995 .

[22]  V. Gibeault,et al.  Managing Turfgrasses during Drought , 1991 .

[23]  R. Snyder,et al.  A comparison between latent heat fluxes over grass using a weighing lysimeter and surface renewal analysis , 2010 .

[24]  L. Prunty,et al.  Soil Temperature Change over Time during Infiltration , 2005 .

[25]  Terry A. Howell,et al.  Evaluating eddy covariance cotton ET measurements in an advective environment with large weighing lysimeters , 2009, Irrigation Science.

[26]  R. Shearman,et al.  Evapotranspiration of Tall Fescue Turf , 1988, HortScience.

[27]  Incorporation of Subsurface Drainage and Subirrigation Into the Checkbook Method , 2016 .

[28]  T. Foken.  The energy balance closure problem: an overview. , 2008, Ecological applications : a publication of the Ecological Society of America.

[29]  D. Hodáňová.  An introduction to environmental biophysics , 1979, Biologia Plantarum.

[30]  E. Swiatek,et al.  Density Fluctuations and Use of the Krypton Hygrometer in Surface Flux Measurements , 1993 .

[31]  D. Sumner,et al.  Evapotranspiration from a cypress and pine forest subjected to natural fires, Volusia County, Florida, 1998-99 , 2001 .

[32]  Martha C. Anderson,et al.  Use of Landsat thermal imagery in monitoring evapotranspiration and managing water resources , 2012 .

[33]  K. E. Skaggs,et al.  A Review of the Bowen Ratio Surface Energy Balance Method for Quantifying Evapotranspiration and other Energy Fluxes , 2014 .

[34]  J. Norman,et al.  Correcting eddy-covariance flux underestimates over a grassland , 2000 .

[35]  S. Irmak,et al.  Daily energy fluxes, evapotranspiration and crop coefficient of soybean , 2013 .

[36]  R. J. Goos,et al.  Effect of ammonium thiosulfate and liquid fertilizer droplet size on urea hydrolysis , 1988 .

[37]  Joachim Ingwersen,et al.  Energy balance closure on a winter wheat stand: comparing the eddy covariance technique with the soil water balance method , 2015 .

[38]  Richard G. Allen,et al.  Low-cost electronic weighing lysimeters , 1990 .

[39]  R. Carrow.  Drought resistance aspects of turfgrasses in the Southeast : evapotranspiration and crop coefficients , 1995 .

[40]  D. Steele,et al.  Effects of Subsurface Drainage on Evapotranspiration for Corn and Soybean Crops in Southeastern North Dakota , 2012 .