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| DOI: | 10.2135/cropsci2015.02.0073 |
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| Web URL(s): | https://dl.sciencesocieties.org/publications/cs/pdfs/55/5/2359
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https://dl.sciencesocieties.org/publications/cs/articles/55/5/2359
Last checked: 12/15/2015
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | Peterson, K. W.;
Bremer, D. J.;
Fry, J. D. |
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| Author Affiliation: | Department of Horticulture, Forestry and Recreation Resources, Kansas State Univ., Manhattan, KS |
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| Title: | Evaluation of atmometers within urban home lawn microclimates |
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| Section: | Turfgrass science
Other records with the "Turfgrass science" Section
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| Source: | Crop Science. Vol. 55, No. 5, September/October 2015, p. 2359-2367. |
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| Publishing Information: | Madison, Wisconsin: Crop Science Society of America |
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| # of Pages: | 9 |
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| Related Web URL: | https://dl.sciencesocieties.org/publications/cs/abstracts/55/5/2359
Last checked: 12/15/2015
Notes: Abstract only
https://dl.sciencesocieties.org/publications/cs/articles/55/5/2359?show-t-f=tables&wrapper=no
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| Keywords: | TIC Keywords: Atmometers; Comparisons; Evapotranspiration; Irrigation program; Microclimate; Urban landscaping
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| Abstract/Contents: | "An atmometer is an inexpensive tool used to measure evapotranspiration (ET) in situ. The effects of microclimates associated with urban lawns on the performance of atmometers are not well documented. Our objective was to compare ET estimates between atmometers and the FAO-56 Penman-Monteith equation (PMET, FAO56-PM), including within urban lawns. The study was conducted in six lawns in 2010 and one in 2011 in Manhattan, KS, and four lawns in Wichita, KS, in 2011. A weather station and atmometer were positioned in an open sward of turfgrass near each city during each measurement period in Manhattan and Wichita. A commercially available Bellani plate atmometer, using a green canvas cover for grass reference ET (ATET), was placed next to a portable weather station in two contrasting microclimates within each lawn. Weather stations recorded temperature, net radiation, relative humidity, and wind speed data used to calculate PMET. Open sward ATET (4.73 mm d-1) averaged 14% less than PMET (5.48 mm d-1). Within microclimates, ATET (3.94mm d-1) averaged 22% greater than PMET (3.23 mm d-1). The differences in ET estimates between measurement techniques varied with wind speed, net radiation, and vapor pressure deficit. The best relationships between ATET and PMET, at the open sward and within microclimates, occurred when wind speed was >1 m s-1, vapor pressure deficit was >2 kPa, and net radiation was >5 MJ m-2 d-1. Overall, atmometers can provide reliable estimates of PMET and could benefit practitioners with irrigation management within microclimates." |
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| Language: | English |
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| References: | 33 |
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| Note: | Summary appears in CSA News, 60(12) December 2015, p. 11
Equations
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Peterson, K. W., D. J. Bremer, and J. D. Fry. 2015. Evaluation of atmometers within urban home lawn microclimates. Crop Sci. 55(5):p. 2359-2367. |
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| DOI: 10.2135/cropsci2015.02.0073 |
| Web URL(s):
https://dl.sciencesocieties.org/publications/cs/pdfs/55/5/2359
Last checked: 12/15/2015
Requires: PDF Reader
Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/cs/articles/55/5/2359
Last checked: 12/15/2015
Access conditions: Item is within a limited-access website |
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MSU catalog number: b2211522a |
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