NDLI: Net irrigation requirements for Florida turfgrasses

Content Provider	Springer Nature Link
Author	Romero, Consuelo C. Dukes, Michael D.
Copyright Year	2013
Abstract	A long-term (30 year) historical analysis of turfgrass monthly net irrigation requirements for southeast USA is analyzed and discussed in this paper. The process involved gathering weather data for ten locations in Florida plus one in Alabama, from 1980 through 2009, and data quality. Available weather data included maximum and minimum temperature, maximum and minimum relative humidity, wind speed, and rainfall. Solar radiation was estimated using the Hargreaves–Samani equation, and coefficients were calibrated for every location. Reference evapotranspiration (ETos) was calculated using the ASCE-EWRI standardized reference evapotranspiration equation. Net irrigation was estimated using a daily soil–water balance. Variability in soil types and root depth was taken into account during the simulations, and three sets of monthly K c values from the literature were applied from north through south Florida. Results showed that the calibrated Hargreaves–Samani adjustment coefficients varied from 0.14 in Tallahassee to 0.24 in Key West, with an inland average value of 0.15, and a coastal average value of 0.18. The calculated ETos ranged from 1,296 mm year−1 in Tallahassee to 1,658 mm year−1 in Miami. The estimated net irrigation ranged from 423 mm year−1 in Mobile, AL, to 1,063 mm year−1 in Key West, FL. The number of irrigation events per year varied from 25 in Mobile to 161 in Key West. May and December were the months with the highest and lowest net irrigation requirements, respectively.
Starting Page	1213
Ending Page	1224
Page Count	12
File Format	PDF
ISSN	03427188
Journal	Irrigation Science
Volume Number	31
Issue Number	5
e-ISSN	14321319
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2013-02-03
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Agriculture Water Industry/Water Technologies Environment Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution Sustainable Development Climate Change
Content Type	Text
Resource Type	Article
Subject	Agronomy and Crop Science Soil Science Water Science and Technology

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