Erratum to: Environ Earth Sci DOI 10.1007/s12665-014-3809-1
The authors would like to correct errors in the original publication as detailed below.
The correct version of the author lists is given here:
Mohammad Mehdi Heydari · Hamid Reza Fooladmand · Ali Tajamoli · Seyyed Hojjat Ghoreishi · Masoud Khodabakhshi Darbe-Esfahani · Hadi Gilasi
Mohammad Mehdi Heydari ()
Department of Water Engineering, College of Engineering, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran
e-mail: mehdiheydari2010@yahoo.com
Hamid Reza Fooladmand
Department of Water Engineering, Marvdasht Branch, Islamic Azad University, Marvdasht, Iran
Ali Tajamoli, Seyyed Hojjat Ghoreishi
Department of Water Engineering, College of Civil, South Tehran Branch, Islamic Azad University, Tehran, Iran
Masoud Khodabakhshi Darbe-Esfahani
Department of Construction Management and Engineering, College of Civil, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
Hadi Gilasi
Department of Chemical Engineering, Faculty of Chemistry, Isfahan University of Technology, 84156-83111, Isfahan, Iran
The complete paragraph in the subheading “Local calibration” is replaced as follows:
Local calibration
In order to calibrate the original coefficients BC equation (a, b) using monthly data, a linear regression procedure was adopted. Considering the linear regression between ET0 as the dependent variable obtained from the FAO-56 PM method as reference, T mean as the independent variable and obtaining the P value from the appropriate table (James 1988), the slope and intercept of the regression line can be calculated for each region and each month of the year (Fooladmand and Ahmadi 2009 ). Using the local calibrated coefficients (a cal, b cal) instead of the original coefficients, Eq. (2) can be rewritten (hereafter as CBC)
Using the geographical coordinates of the stations and considering the a cal and b cal values, the spatial and temporal distribution maps of these coefficients were drawn for each month of the year (Fooladmand and Ahmadi 2009 ). To obtain these maps, geographic information system (GIS)-assisted methods were used. Contour maps of coefficients (a cal, b cal) were obtained by inverse distance weighting (IDW) with power of one used for interpolation (Kravchenko and Bullock 1999).
The below reference is included in the reference list:
Reference
Fooladmand HR, Ahmadi SH (2009) Monthly spatial calibration of Blaney–Criddle equation for calculating monthly ETo in south of Iran. Irrig Drain 58:234–245
Kravchenko A, Bullock DG (1999) A comparative study of mol. 88:1650–1657. Interpolation methods for mapping soil properties. Agron J 91:393–400
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The online version of the original article can be found under doi:10.1007/s12665-014-3809-1.
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Heydari, M.M., Fooladmand, H.R., Tajamoli, A. et al. Erratum to: Evaluation and calibration of Blaney–Criddle equation for estimating reference evapotranspiration in semiarid and arid regions. Environ Earth Sci 73, 5775–5776 (2015). https://doi.org/10.1007/s12665-014-3981-3
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DOI: https://doi.org/10.1007/s12665-014-3981-3