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| DOI: | 10.1016/j.jaridenv.2016.06.016 |
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| Web URL(s): | http://www.sciencedirect.com/science/article/pii/S0140196316301173
Last checked: 04/12/2017
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | Litvak, Elizaveta;
Pataki, Diane E. |
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| Author Affiliation: | Litvak: Department of Biology, University of Utah, Salt Lake City, UT; Pataki: Department of Biology, University of Utah, Salt Lake City, UT and Department of City & Metropolitan Planning, University of Utah |
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| Title: | Evapotranspiration of urban lawns in a semi-arid environment: An in situ evaluation of microclimatic conditions and watering recommendations |
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| Source: | Journal of Arid Environments. Vol. 134, November 2016, p. 87-96. |
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| Publishing Information: | London, United Kingdom and New York, New York: Academic Press |
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| # of Pages: | 10 |
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| Keywords: | TIC Keywords: Climatic factors; Dry conditions; Evapotranspiration; Irrigation requirements; Shade assessment; Urban habitat; Water use; Water-saving techniques
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| Geographic Terms: | Los Angeles, California |
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| Abstract/Contents: | "As many regions worldwide are increasingly affected by water scarcity caused by unprecedented climate change and population growth, current practices of landscape irrigation need to be evaluated to develop scientifically based water-saving recommendations. We compared widely used evapotranspiration (ET) based guidelines of turfgrass watering requirements with ET from 8 irrigated turfgrass lawns (4 unshaded and 4 shaded by various degree) measured in situ by portable chambers in the Los Angeles Metropolitan area. ET from unshaded lawns was 40% higher than recommended irrigation inputs and ET from shaded lawns was mostly within recommended ranges. We evaluated the microclimate coefficient (kmc), a factor used to adjust ET from reference surfaces to local microclimatic conditions. While in situ kmc was mostly within the ranges recommended for California, (1) kmc ranges for particular landscape types deviated from observations, (2) minimum and maximum kmc were beyond recommended ranges, and (3) kmc had clear seasonal changes overlooked by current methodology. We propose a method to quantitatively estimate the effect of shade on kmc and improved categories and coefficients for applying the landscape coefficient method under realistic urban conditions." |
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| Language: | English |
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| References: | 98 |
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| Note: | Map
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Litvak, E., and D. E. Pataki. 2016. Evapotranspiration of urban lawns in a semi-arid environment: An in situ evaluation of microclimatic conditions and watering recommendations. Journal of Arid Environments. 134:p. 87-96. |
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| DOI: 10.1016/j.jaridenv.2016.06.016 |
| Web URL(s):
http://www.sciencedirect.com/science/article/pii/S0140196316301173
Last checked: 04/12/2017
Access conditions: Item is within a limited-access website |
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