Models for Predicting the Lower Limit of the Canopy‐Air Temperature Difference of Two Cool Season Grasses

Martin, Dennis L.; Wehner, David J.; Throssell, Clark S.

doi:10.2135/cropsci1994.0011183x003400010034x

Cited by 14 publications

(12 citation statements)

References 8 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This similarity is contradictory to the findings of several previous studies that dT LL -VPD relationships are species-specific [21]. However, Carrow [41] stated that these baselines are similar enough to be combined for practical purposes such as irrigation scheduling.…”

Section: Grass Water Stress Indexcontrasting

confidence: 88%

“…Both the physically-based and the empirical approaches of GWSI have been previously implemented to study water stress in turfgrass systems under varying hydro-climatological conditions. Several researchers have reported that the empirical approach fails to provide an accurate estimation of dT baselines for different turfgrass species such as bermudagrass (Cynodon dactylon L.) [20], Kentucky bluegrass (Poa pratensis L.) [21], creeping bentgrass (Agrostis stolonifera L) [10,21], and tall fescue (Festuca arundinacea L.) [22,23]. All of these studies have reported that the poor performance was mainly due to the fact that upper and lower dT limits were not only a function of VPD, but also the incoming irradiance.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Optical and Thermal Remote Sensing of Turfgrass Quality, Water Stress, and Water Use under Different Soil and Irrigation Treatments

Taghvaeian

Chávez

Hattendorf³

et al. 2013

Remote Sensing

View full text Add to dashboard Cite

Abstract:Optical and thermal remote sensing data were acquired at ground level over several turfgrass species under different soil and irrigation treatments in northern Colorado, USA. Three vegetation indices (VIs), estimated based on surface spectral reflectance, were sensitive to the effect of reduced water application on turfgrass quality. The temperature-based Grass Water Stress Index (GWSI) was also estimated by developing non-transpiring and non-water-stressed baselines. The VIs and the GWSI were all consistent in (i) having a non-linear relationship with the water application depth; and, (ii) revealing that the sensitivity of studied species to water availability increased in order from warm season mix to Poa pratensis L. and then Festuca spp.. Implemented soil preparation treatments had no significant effect on turfgrass quality and water stress. The differences between GWSI-based estimates of water use and the results of a complex surface energy balance model (METRIC) were not statistically significant, suggesting that the empirical GWSI method could provide similar results if the baselines are accurately developed under the local conditions of the study area.

show abstract

Section: Grass Water Stress Indexcontrasting

confidence: 88%

Section: Introductionmentioning

confidence: 99%

Optical and Thermal Remote Sensing of Turfgrass Quality, Water Stress, and Water Use under Different Soil and Irrigation Treatments

Taghvaeian

Chávez

Hattendorf³

et al. 2013

Remote Sensing

View full text Add to dashboard Cite

show abstract

“…Such small lysimeters have long been used; their reliability was first evaluated by Boast and Robertson (1982). Subsequently, the refinements and modifications have been discussed by Shawcroft and Gardner (1983), Martin et al (1994), Lascano and Van Bavel (1986), Allen (1990), and Daamen et al (1993). It has been demonstrated that the results from such lysimeters relate closely to those obtained by the water budget method (Allen, 1990), by the usual, larger lysimeters, and by the infrared temperature method (Matthias et al, 1986).…”

Section: Inter-comparison Of the Results By The Different Methodsmentioning

confidence: 99%

Observation and estimation of evaporation from the ground surface of the cryosphere in eastern Asia

Zhang

Ohata

Ersi

2003

Hydrological Processes

View full text Add to dashboard Cite

Abstract:The characteristics of evaporation from the ground surface of Asian cryosphere sites are presented, as estimated by the lysimeter method, a profile method, and a heat budget method. The observation sites were located on the eastern Tibetan Plateau, in the Qilian and Tianshan Mountains of China, and in eastern Siberia. The lysimeter method has been demonstrated to be a reliable observation technique for estimating daily evaporation from the land surface, given suitable experiment design and operation. Daily mean evaporation varied within the range of 0Ð3 to 3Ð5 mm on the permafrost surface, and regional differences in evaporation were strongly related to surface soil moisture. Locally, topography, by way of its influence on surface soil moisture, was found to control evaporation systematically. Seasonality of ground evaporation in permafrost regions is dominated by thaw-freeze cycles at the surface; evaporation from the melting permafrost surface is up to four to seven times greater than that from frozen ground. In forested terrain, the interception of precipitation can reduce daily evaporation by 60 to 70%. Sublimation from the snow surface was observed at some sites in the range of 0Ð2 to 1Ð0 mm daily; atmospheric conditions, such as wind speed and saturation deficit, were dominant factors in determining snow sublimation.

show abstract

“…Leaf canopy temperature offers a relatively clear and easily determined signal of water stress because when stomata close, transpirational cooling decreases and leaf canopy temperature increases relative to air temperature (13). Using leaf canopy temperature to detect water stress for irrigation has been applied to turfgrass in other studies (11,17).…”

Section: Introductionmentioning

confidence: 99%

Soil‐water‐use Characteristics of Precision‐irrigated Buffalograss and Kentucky Bluegrass

Stewart¹,

Kjelgren

Johnson

et al. 2004

Appl. turfgrass sci.

View full text Add to dashboard Cite

As landscape water conservation becomes more important in the American West, pubic interest in using low water‐use turfgrasses is increasing. Little is known about soil water extraction characteristics that contribute to low water use. We investigated how buffalograss (Buchloë dactyloides (Nutt.) Engelm) and Kentucky bluegrass (Poa pratensis L.), considered to be low and high water‐use species, respectively, extract soil water in terms of rooting depth and use of available water. Leaf canopy temperature, air temperature, and vapor pressure deficit (VPD) were measured, and a relationship developed between leaf canopy temperature minus air temperature (TL‐TA) and VPD for each species under well‐watered conditions. This regression was significant within each species but not different between the two species. During soil drying, changes in soil water content were tracked to incipient water stress where TL‐TA increased above the well‐watered TL‐TA:VPD relationship. Within seven days of soil drying, Kentucky bluegrass reached incipient water stress when nearly 50% of the total water was depleted in its 0.6‐m‐deep root zone. Buffalograss, however, reached incipient water stress after 22 days of soil drying, when it had depleted nearly 60% of soil water to a 0.9‐m depth. Ninety‐four percent of the Kentucky bluegrass root system was in the top 0.3 m of the soil compared to 62% for buffalograss. These results present rooting depth and water extraction patterns of these species that can be used to determine more precise irrigation scheduling in the West.

show abstract

Models for Predicting the Lower Limit of the Canopy‐Air Temperature Difference of Two Cool Season Grasses

Cited by 14 publications

References 8 publications

Optical and Thermal Remote Sensing of Turfgrass Quality, Water Stress, and Water Use under Different Soil and Irrigation Treatments

Optical and Thermal Remote Sensing of Turfgrass Quality, Water Stress, and Water Use under Different Soil and Irrigation Treatments

Observation and estimation of evaporation from the ground surface of the cryosphere in eastern Asia

Soil‐water‐use Characteristics of Precision‐irrigated Buffalograss and Kentucky Bluegrass

Contact Info

Product

Resources

About